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* [gcc(refs/users/meissner/heads/work070)] Revert patches.
@ 2021-10-05 21:57 Michael Meissner
  0 siblings, 0 replies; 6+ messages in thread
From: Michael Meissner @ 2021-10-05 21:57 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:1a22213bd37aacf8385bc39cf0043d7964931f4f

commit 1a22213bd37aacf8385bc39cf0043d7964931f4f
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Tue Oct 5 17:56:22 2021 -0400

    Revert patches.
    
    2021-10-04  Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/
    
            Revert patches.
            * config/rs6000/constraints.md (eQ): New constraint.
            * config/rs6000/predicates.md (easy_fp_constant): If we can use
            LXVKQ, it is an easy floating point constant.
            (easy_fp_constant_ieee128): New predicate.
            * config/rs6000/rs6000-protos.h (xxspltidp_constant_immediate):
            New declaration.
            * config/rs6000/rs6000.c (xxspltidp_constant_immediate): New
            function.
            (output_vec_const_move): Add support for LXVKQ.
            (rs6000_output_move_128bit): Likewise.
            * config/rs6000/rs6000.opt (-mlxvkq): New debug option.
            * config/rs6000/vsx.md (vsx_mov<mode>_64bit): Add support for
            LXVKQ.
            (vsx_mov<mode>_32bit): Likewise.
            * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
            eQ constraint.
    
    gcc/testsuite/
    
            Revert patches.
            * gcc.target/powerpc/float128-constant.c: New test.
    
    2021-10-05  Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/
    
            Revert patches.
            * config/rs6000/constraints.md (eF): New constraint.
            (eV): New constraint.
            * config/rs6000/predicates.md (easy_fp_constant): If we can load
            the scalar constant with XXSPLTIDP, the constant is easy.
            (easy_fp_constant_64bit_scalar): New predicate.
            (easy_vector_constant_64bit_element): New predicate.
            (easy_vector_constant): If we can generate XXSPLTIDP, mark the
            vector constant as easy.
            * config/rs6000/rs6000-protos.h (xxspltidp_constant_immediate): New
            declaration.
            (prefixed_xxsplti_p): Likewise.
            * config/rs6000/rs6000.c (xxspltidp_constant_immediate): New function.
            (output_vec_const_move): Add support for XXSPLTIDP.
            (prefixed_xxsplti_p): New function.
            * config/rs6000/rs6000.md (prefixed attribute): Add support for the
            xxsplti* prefixed instructions.
            (movsf_hardfloat): Add XXSPLTIDP support.
            (mov<mode>_hardfloat32, FMOVE64 iterator): Likewise.
            (mov<mode>_hardfloat64, FMOVE64 iterator): Likewise.
            (movdi_internal32): Likewise.
            (movdi_internal64): Likewise.
            * config/rs6000/rs6000.opt (-mxxspltidp): New switch.
            * config/rs6000/vsx.md (vsx_move<mode>_64bit): Add XXSPLTIDP
            support.
            (vsx_move<mode>_32bit): Likewise.
            (XXSPLTIDP_S): New mode iterator.
            (XXSPLTIDP_V): Likewise.
            (XXSPLTIDP): Likewise.
            (xxspltidp_<mode>_inst): Replace xxspltidp_v2df_inst with an
            iterated form that also does SFmode, DFmode, DImode, and
            V2DImode.
            (xxspltidp_<mode>_internal): New insn and splits.
            * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
            eF and eV constraints.
    
    gcc/testsuite/
    
            Revert patches.
            * gcc.target/powerpc/vec-splat-constant-df.c: New test.
            * gcc.target/powerpc/vec-splat-constant-di.c: New test.
            * gcc.target/powerpc/vec-splat-constant-sf.c: New test.
            * gcc.target/powerpc/vec-splat-constant-v2df.c: New test.
            * gcc.target/powerpc/vec-splat-constant-v2di.c: New test.

Diff:
---
 gcc/config/rs6000/constraints.md                   |  15 --
 gcc/config/rs6000/predicates.md                    | 218 ---------------------
 gcc/config/rs6000/rs6000-protos.h                  |   3 -
 gcc/config/rs6000/rs6000.c                         | 198 -------------------
 gcc/config/rs6000/rs6000.md                        |  58 ++----
 gcc/config/rs6000/rs6000.opt                       |   8 -
 gcc/config/rs6000/vsx.md                           |  60 +-----
 gcc/doc/md.texi                                    |   9 -
 .../gcc.target/powerpc/float128-constant.c         | 144 --------------
 .../gcc.target/powerpc/vec-splat-constant-df.c     |  60 ------
 .../gcc.target/powerpc/vec-splat-constant-di.c     |  70 -------
 .../gcc.target/powerpc/vec-splat-constant-sf.c     |  60 ------
 .../gcc.target/powerpc/vec-splat-constant-v2df.c   |  64 ------
 .../gcc.target/powerpc/vec-splat-constant-v2di.c   |  50 -----
 14 files changed, 22 insertions(+), 995 deletions(-)

diff --git a/gcc/config/rs6000/constraints.md b/gcc/config/rs6000/constraints.md
index 1700657abe9..c8cff1a3038 100644
--- a/gcc/config/rs6000/constraints.md
+++ b/gcc/config/rs6000/constraints.md
@@ -208,26 +208,11 @@
   (and (match_code "const_int")
        (match_test "((- (unsigned HOST_WIDE_INT) ival) + 0x8000) < 0x10000")))
 
-;; DI/SF/DF scalar constant that can be loaded with the XXSPLTIDP instruction.
-(define_constraint "eF"
-  "A 64-bit scalar constant that can be loaded with the XXSPLTIDP instruction."
-  (match_operand 0 "easy_fp_constant_64bit_scalar"))
-
 ;; 34-bit signed integer constant
 (define_constraint "eI"
   "A signed 34-bit integer constant if prefixed instructions are supported."
   (match_operand 0 "cint34_operand"))
 
-;; V2DI/V2DF vector constant that can be loaded with the XXSPLTIDP instruction.
-(define_constraint "eV"
-  "A 128-bit vector constant that can be loaded with the XXSPLTIDP instruction."
-  (match_operand 0 "easy_vector_constant_64bit_element"))
-
-;; KF/TF scalar than can be loaded with LXVKQ
-(define_constraint "eQ"
-  "An IEEE 128-bit constant that can be loaded with the LXVKQ instruction."
-  (match_operand 0 "easy_fp_constant_ieee128"))
-
 ;; Floating-point constraints.  These two are defined so that insn
 ;; length attributes can be calculated exactly.
 
diff --git a/gcc/config/rs6000/predicates.md b/gcc/config/rs6000/predicates.md
index 30e89ec79f0..956e42bc514 100644
--- a/gcc/config/rs6000/predicates.md
+++ b/gcc/config/rs6000/predicates.md
@@ -601,16 +601,6 @@
   if (TARGET_VSX && op == CONST0_RTX (mode))
     return 1;
 
-  /* If we have the ISA 3.1 XXSPLTIDP instruction, see if the constant can
-     be loaded with that instruction.  */
-  if (easy_fp_constant_64bit_scalar (op, mode))
-    return 1;
-
-  /* If we have the ISA 3.1 LXVKQ instruction, see if the constant can be loaded
-     with that instruction.  */
-  if (easy_fp_constant_ieee128 (op, mode))
-    return 1;
-
   /* Otherwise consider floating point constants hard, so that the
      constant gets pushed to memory during the early RTL phases.  This
      has the advantage that double precision constants that can be
@@ -619,138 +609,6 @@
    return 0;
 })
 
-;; Return 1 if the operand is a 64-bit scalar constant that can be loaded via
-;; the XXSPLTIDP instruction, which takes a SFmode value and produces a V2DF or
-;; V2DI mode result that is interpretted as a 64-bit scalar.
-(define_predicate "easy_fp_constant_64bit_scalar"
-  (match_code "const_int,const_double")
-{
-  const REAL_VALUE_TYPE *rv;
-  REAL_VALUE_TYPE rv_type;
-
-  /* Can we do the XXSPLTIDP instruction?  */
-  if (!TARGET_XXSPLTIDP || !TARGET_PREFIXED || !TARGET_VSX)
-    return false;
-
-  if (mode == VOIDmode)
-    mode = GET_MODE (op);
-
-  /* Don't return true for 0.0 or 0 since that is easy to create without
-     XXSPLTIDP.  */
-  if (op == CONST0_RTX (mode))
-    return false;
-
-  /* Handle DImode by creating a DF value from it.  */
-  if (CONST_INT_P (op) && (mode == DImode || mode == VOIDmode))
-    {
-      HOST_WIDE_INT df_value = INTVAL (op);
-
-      /* Avoid values that look like DFmode NaN's.  The IEEE 754 64-bit
-         floating format has 1 bit for sign, 11 bits for the exponent,
-         and 52 bits for the mantissa.  NaN values have the exponent set
-         to all 1 bits, and the mantissa non-zero (mantissa == 0 is
-         infinity).  */
-      int df_exponent = (df_value >> 52) & 0x7ff;
-      HOST_WIDE_INT df_mantissa = df_value & HOST_WIDE_INT_C (0x1fffffffffffff);
-
-      if (df_exponent == 0x7ff && df_mantissa != 0)	/* NaN.  */
-	return false;
-
-      /* Avoid values that are DFmode subnormal values.  Subnormal numbers
-         have the exponent all 0 bits, and the mantissa non-zero.  If the
-         value is subnormal, then the hidden bit in the mantissa is not
-         set.  */
-      if (df_exponent == 0 && df_mantissa != 0)		/* subnormal.  */
-	return false;
-
-      long df_words[2];
-      df_words[0] = (df_value >> 32) & 0xffffffff;
-      df_words[1] = df_value & 0xffffffff;
-
-      /* real_from_target takes the target words in  target order.  */
-      if (!BYTES_BIG_ENDIAN)
-	std::swap (df_words[0], df_words[1]);
-
-      real_from_target (&rv_type, df_words, DFmode);
-      rv = &rv_type;
-    }
-
-  /* Handle SFmode/DFmode constants.  Don't allow decimal or IEEE 128-bit
-     binary constants.  */
-  else if (CONST_DOUBLE_P (op) && (mode == SFmode || mode == DFmode))
-    rv = CONST_DOUBLE_REAL_VALUE (op);
-
-  /* We can't handle anything else with the XXSPLTIDP instruction.  */
-  else
-    return false;  
-
-  /* Validate that the number can be stored as a SFmode value.  */
-  if (!exact_real_truncate (SFmode, rv))
-    return false;
-
-  /* Validate that the number is not a SFmode subnormal value (exponent is 0,
-     mantissa field is non-zero) which is undefined for the XXSPLTIDP
-     instruction.  */
-  long sf_value;
-  real_to_target (&sf_value, rv, SFmode);
-
-  /* IEEE 754 32-bit values have 1 bit for the sign, 8 bits for the exponent,
-     and 23 bits for the mantissa.  Subnormal numbers have the exponent all
-     0 bits, and the mantissa non-zero.  */
-  long sf_exponent = (sf_value >> 23) & 0xFF;
-  long sf_mantissa = sf_value & 0x7FFFFF;
-
-  if (sf_exponent == 0 && sf_mantissa != 0)
-    return false;
-
-  return true;
-})
-
-;; Return 1 if the operand is a 64-bit vector constant that can be loaded via
-;; the XXSPLTIDP instruction, which takes a SFmode value and produces a
-;; V2DFmode or V2DI result.
-;;
-;; We cannot combine the scalar and vector cases because otherwise it is
-;; problematical if we assign an appropriate integer constant to a TImode
-;; value.  I.e.
-;;
-;;	(set (reg:TI 32)
-;;	     (const_int 0x8000000000000000))
-;;
-;; Otherwise, the constant would be splatted into the 2 64-bit positions in the
-;; vector register, and not loaded with the upper 64-bits 0, and the constant
-;; in the lower 64-bits.
-
-(define_predicate "easy_vector_constant_64bit_element"
-  (match_code "const_vector,vec_duplicate")
-{
-  /* Can we do the XXSPLTIDP instruction?  */
-  if (!TARGET_XXSPLTIDP || !TARGET_PREFIXED || !TARGET_VSX)
-    return false;
-
-  if (mode == VOIDmode)
-    mode = GET_MODE (op);
-
-  if (mode != V2DFmode && mode != V2DImode)
-    return false;
-
-  if (CONST_VECTOR_P (op))
-    {
-      if (!CONST_VECTOR_DUPLICATE_P (op))
-	return false;
-
-      op = CONST_VECTOR_ELT (op, 0);
-    }
-
-  else if (GET_CODE (op) == VEC_DUPLICATE)
-    op = XEXP (op, 0);
-
-  else
-    return false;
-
-  return easy_fp_constant_64bit_scalar (op, GET_MODE_INNER (mode));
-})
-
 ;; Return 1 if the operand is a constant that can loaded with a XXSPLTIB
 ;; instruction and then a VUPKHSB, VECSB2W or VECSB2D instruction.
 
@@ -782,79 +640,6 @@
   return num_insns == 1;
 })
 
-;; Return 1 if the operand is an IEEE 128-bit special constant that can be
-;; loaded with the LXVKQ instruction.
-(define_predicate "easy_fp_constant_ieee128"
-  (match_code "const_double")
-{
-  if (!TARGET_LXVKQ || !TARGET_POWER10 || !TARGET_VSX || !TARGET_FLOAT128_HW)
-    return false;
-
-  if (mode == VOIDmode)
-    mode = GET_MODE (op);
-
-  if (!FLOAT128_IEEE_P (mode))
-    return false;
-
-  if (!CONST_DOUBLE_P (op))
-    return false;
-
-  /* Special values (+/-infinity, -0.0.  */
-  const struct real_value *rv = CONST_DOUBLE_REAL_VALUE (op);
-  if (real_isinf (rv) || real_isnegzero (rv))
-    return true;
-
-  /* Only recognize the normal NaN.  Do not recognize NaNs with the negative
-     sign, signaling NaNs, or NaNs that have non-zero mantissa.  */
-  if (real_isnan (rv))
-    {
-      long w[4];
-
-      real_to_target (&w[0], rv, mode);
-      return (BYTES_BIG_ENDIAN
-	      ? (w[0] == 0x7fff8000 && w[1] == 0 && w[2] == 0 && w[3] == 0)
-	      : (w[3] == 0x7fff8000 && w[2] == 0 && w[1] == 0 && w[0] == 0));
-    }
-
-  if (real_issignaling_nan (rv))
-    return false;
-
-  /* All of the values generated can be expressed as SFmode values, if it
-     doesn't fit in SFmode, exit.  */
-  if (!exact_real_truncate (SFmode, rv))
-    return false;
-
-  /* The other values are all integers 1..7, and -1..-7.  */
-  if (!real_isinteger (rv, mode))
-    return false;
-
-  HOST_WIDE_INT value = real_to_integer (rv);
-  switch (value)
-    {
-    default:
-      break;
-
-    case 1:
-    case 2:
-    case 3:
-    case 4:
-    case 5:
-    case 6:
-    case 7:
-    case -1:
-    case -2:
-    case -3:
-    case -4:
-    case -5:
-    case -6:
-    case -7:
-      return true;
-    }
-
-  /* We can't load the value with LXVKQ.  */
-  return false;
-})
-
 ;; Return 1 if the operand is a CONST_VECTOR and can be loaded into a
 ;; vector register without using memory.
 (define_predicate "easy_vector_constant"
@@ -868,9 +653,6 @@
       if (zero_constant (op, mode) || all_ones_constant (op, mode))
 	return true;
 
-      if (easy_vector_constant_64bit_element (op, mode))
-	return true;
-
       if (TARGET_P9_VECTOR
           && xxspltib_constant_p (op, mode, &num_insns, &value))
 	return true;
diff --git a/gcc/config/rs6000/rs6000-protos.h b/gcc/config/rs6000/rs6000-protos.h
index a21fa08b367..14f6b313105 100644
--- a/gcc/config/rs6000/rs6000-protos.h
+++ b/gcc/config/rs6000/rs6000-protos.h
@@ -32,8 +32,6 @@ extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, int, int, int,
 
 extern int easy_altivec_constant (rtx, machine_mode);
 extern bool xxspltib_constant_p (rtx, machine_mode, int *, int *);
-extern long xxspltidp_constant_immediate (rtx, machine_mode);
-extern int lxvkq_constant_immediate (rtx, machine_mode);
 extern int vspltis_shifted (rtx);
 extern HOST_WIDE_INT const_vector_elt_as_int (rtx, unsigned int);
 extern bool macho_lo_sum_memory_operand (rtx, machine_mode);
@@ -200,7 +198,6 @@ enum non_prefixed_form reg_to_non_prefixed (rtx reg, machine_mode mode);
 extern bool prefixed_load_p (rtx_insn *);
 extern bool prefixed_store_p (rtx_insn *);
 extern bool prefixed_paddi_p (rtx_insn *);
-extern bool prefixed_xxsplti_p (rtx_insn *);
 extern void rs6000_asm_output_opcode (FILE *);
 extern void output_pcrel_opt_reloc (rtx);
 extern void rs6000_final_prescan_insn (rtx_insn *, rtx [], int);
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 7b0b5357f0b..ad860728169 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -6946,150 +6946,6 @@ xxspltib_constant_p (rtx op,
   return true;
 }
 
-/* Return the immediate value used in the XXSPLTIDP instruction.  */
-
-long
-xxspltidp_constant_immediate (rtx op, machine_mode mode)
-{
-  long ret;
-
-  /* Handle vectors.  */
-  if (CONST_VECTOR_P (op))
-    {
-      op = CONST_VECTOR_ELT (op, 0);
-      mode = GET_MODE_INNER (mode);
-    }
-
-  else if (GET_CODE (op) == VEC_DUPLICATE)
-    {
-      op = XEXP (op, 0);
-      mode = GET_MODE (op);
-    }
-
-  gcc_assert (easy_fp_constant_64bit_scalar (op, mode));
-
-  /* Handle DImode/V2DImode by creating a DF value from it and then converting
-     the DFmode value to SFmode.  */
-  if (CONST_INT_P (op))
-    {
-      HOST_WIDE_INT df_value = INTVAL (op);
-      long df_words[2];
-
-      df_words[0] = (df_value >> 32) & 0xffffffff;
-      df_words[1] = df_value & 0xffffffff;
-
-      /* real_to_target takes input in target endian order.  */
-      if (!BYTES_BIG_ENDIAN)
-	std::swap (df_words[0], df_words[1]);
-
-      REAL_VALUE_TYPE r;
-      real_from_target (&r, &df_words[0], DFmode);
-      real_to_target (&ret, &r, SFmode);
-    }
-
-  /* For floating point constants, convert to SFmode.  */
-  else if (CONST_DOUBLE_P (op) && (mode == SFmode || mode == DFmode))
-    {
-      const REAL_VALUE_TYPE *rv = CONST_DOUBLE_REAL_VALUE (op);
-      real_to_target (&ret, rv, SFmode);
-    }
-
-  else
-    gcc_unreachable ();
-
-  return ret;
-}
-
-/* Return the constant that will go in the LXVKQ instruction.  */
-
-/* LXVKQ immediates.  */
-enum {
-  LXVKQ_ONE		= 1,
-  LXVKQ_TWO		= 2,
-  LXVKQ_THREE		= 3,
-  LXVKQ_FOUR		= 4,
-  LXVKQ_FIVE		= 5,
-  LXVKQ_SIX		= 6,
-  LXVKQ_SEVEN		= 7,
-  LXVKQ_INF		= 8,
-  LXVKQ_NAN		= 9,
-  LXVKQ_NEG_ZERO	= 16,
-  LXVKQ_NEG_ONE		= 17,
-  LXVKQ_NEG_TWO		= 18,
-  LXVKQ_NEG_THREE	= 19,
-  LXVKQ_NEG_FOUR	= 20,
-  LXVKQ_NEG_FIVE	= 21,
-  LXVKQ_NEG_SIX		= 22,
-  LXVKQ_NEG_SEVEN	= 23,
-  LXVKQ_NEG_INF		= 24
-};
-
-int
-lxvkq_constant_immediate (rtx op, machine_mode mode)
-{
-  int ret = -1;
-  gcc_assert (easy_fp_constant_ieee128 (op, mode));
-
-  const struct real_value *rv = CONST_DOUBLE_REAL_VALUE (op);
-
-  gcc_assert (!real_issignaling_nan (rv));
-
-  /* Special values (infinity, nan, -0.0.  */
-  if (real_isinf (rv))
-    ret = real_isneg (rv) ? LXVKQ_NEG_INF : LXVKQ_INF;
-
-  /* Only recognize the normal NaN.  Do not recognize NaNs with the negative
-     sign, signaling NaNs, or NaNs that have non-zero mantissa.  */
-  else if (real_isnan (rv))
-    {
-      long w[4];
-
-      real_to_target (&w[0], rv, mode);
-      gcc_assert (BYTES_BIG_ENDIAN
-		  ? (w[0] == 0x7fff8000 && w[1] == 0 && w[2] == 0
-		     && w[3] == 0)
-		  : (w[3] == 0x7fff8000 && w[2] == 0 && w[1] == 0
-		     && w[0] == 0));
-
-      ret = LXVKQ_NAN;
-    }
-
-  else if (real_isnegzero (rv))
-    ret = LXVKQ_NEG_ZERO;
-
-  else
-    {
-      HOST_WIDE_INT value = real_to_integer (rv);
-      switch (value)
-	{
-	default:
-	  gcc_unreachable ();
-
-	case 1:
-	case 2:
-	case 3:
-	case 4:
-	case 5:
-	case 6:
-	case 7:
-	  ret = LXVKQ_ONE + (value - 1);
-	  break;
-
-	case -1:
-	case -2:
-	case -3:
-	case -4:
-	case -5:
-	case -6:
-	case -7:
-	  ret = LXVKQ_NEG_ONE + (-value - 1);
-	  break;
-	}
-    }
-
-  return ret;
-}
-
 const char *
 output_vec_const_move (rtx *operands)
 {
@@ -7134,19 +6990,6 @@ output_vec_const_move (rtx *operands)
 	    gcc_unreachable ();
 	}
 
-      if (easy_fp_constant_64bit_scalar (vec, mode)
-	  || easy_vector_constant_64bit_element (vec, mode))
-	{
-	  operands[2] = GEN_INT (xxspltidp_constant_immediate (vec, mode));
-	  return "xxspltidp %x0,%2";
-	}
-
-      if (easy_fp_constant_ieee128 (vec, mode))
-	{
-	  operands[2] = GEN_INT (lxvkq_constant_immediate (vec, mode));
-	  return "lxvkq %x0,%2";
-	}
-
       if (TARGET_P9_VECTOR
 	  && xxspltib_constant_p (vec, mode, &num_insns, &xxspltib_value))
 	{
@@ -13989,12 +13832,6 @@ rs6000_output_move_128bit (rtx operands[])
     }
 
   /* Constants.  */
-  else if (dest_vsx_p && easy_fp_constant_ieee128 (src, mode))
-    {
-      operands[2] = GEN_INT (lxvkq_constant_immediate (src, mode));
-      return "lxvkq %x0,%2";
-    }
-
   else if (dest_regno >= 0
 	   && (CONST_INT_P (src)
 	       || CONST_WIDE_INT_P (src)
@@ -26887,41 +26724,6 @@ prefixed_paddi_p (rtx_insn *insn)
   return (iform == INSN_FORM_PCREL_EXTERNAL || iform == INSN_FORM_PCREL_LOCAL);
 }
 
-/* Whether a permute type instruction is a prefixed XXSPLTI* instruction.
-   This is called from the prefixed attribute processing.  */
-
-bool
-prefixed_xxsplti_p (rtx_insn *insn)
-{
-  rtx set = single_set (insn);
-  if (!set)
-    return false;
-
-  rtx dest = SET_DEST (set);
-  rtx src = SET_SRC (set);
-  machine_mode mode = GET_MODE (dest);
-
-  if (!REG_P (dest) && !SUBREG_P (dest))
-    return false;
-
-  switch (mode)
-    {
-    case E_DImode:
-    case E_DFmode:
-    case E_SFmode:
-      return easy_fp_constant_64bit_scalar (src, mode);
-
-    case E_V2DImode:
-    case E_V2DFmode:
-      return easy_vector_constant_64bit_element (src, mode);
-
-    default:
-      break;
-    }
-
-  return false;
-}
-
 /* Whether the next instruction needs a 'p' prefix issued before the
    instruction is printed out.  */
 static bool prepend_p_to_next_insn;
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index 8afc4b2756d..6bec2bddbde 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -314,11 +314,6 @@
 
 	 (eq_attr "type" "integer,add")
 	 (if_then_else (match_test "prefixed_paddi_p (insn)")
-		       (const_string "yes")
-		       (const_string "no"))
-
-	 (eq_attr "type" "vecperm")
-	 (if_then_else (match_test "prefixed_xxsplti_p (insn)")
 		       (const_string "yes")
 		       (const_string "no"))]
 
@@ -7764,17 +7759,17 @@
 ;;
 ;;	LWZ          LFS        LXSSP       LXSSPX     STFS       STXSSP
 ;;	STXSSPX      STW        XXLXOR      LI         FMR        XSCPSGNDP
-;;	MR           MT<x>      MF<x>       NOP        XXSPLTIDP
+;;	MR           MT<x>      MF<x>       NOP
 
 (define_insn "movsf_hardfloat"
   [(set (match_operand:SF 0 "nonimmediate_operand"
 	 "=!r,       f,         v,          wa,        m,         wY,
 	  Z,         m,         wa,         !r,        f,         wa,
-	  !r,        *c*l,      !r,         *h,        wa")
+	  !r,        *c*l,      !r,         *h")
 	(match_operand:SF 1 "input_operand"
 	 "m,         m,         wY,         Z,         f,         v,
 	  wa,        r,         j,          j,         f,         wa,
-	  r,         r,         *h,         0,         eF"))]
+	  r,         r,         *h,         0"))]
   "(register_operand (operands[0], SFmode)
    || register_operand (operands[1], SFmode))
    && TARGET_HARD_FLOAT
@@ -7796,16 +7791,15 @@
    mr %0,%1
    mt%0 %1
    mf%1 %0
-   nop
-   #"
+   nop"
   [(set_attr "type"
 	"load,       fpload,    fpload,     fpload,    fpstore,   fpstore,
 	 fpstore,    store,     veclogical, integer,   fpsimple,  fpsimple,
-	 *,          mtjmpr,    mfjmpr,     *,         vecperm")
+	 *,          mtjmpr,    mfjmpr,     *")
    (set_attr "isa"
 	"*,          *,         p9v,        p8v,       *,         p9v,
 	 p8v,        *,         *,          *,         *,         *,
-	 *,          *,         *,          *,         p10")])
+	 *,          *,         *,          *")])
 
 ;;	LWZ          LFIWZX     STW        STFIWX     MTVSRWZ    MFVSRWZ
 ;;	FMR          MR         MT%0       MF%1       NOP
@@ -8065,18 +8059,18 @@
 
 ;;           STFD         LFD         FMR         LXSD        STXSD
 ;;           LXSD         STXSD       XXLOR       XXLXOR      GPR<-0
-;;           LWZ          STW         MR          XXSPLTIDP
+;;           LWZ          STW         MR
 
 
 (define_insn "*mov<mode>_hardfloat32"
   [(set (match_operand:FMOVE64 0 "nonimmediate_operand"
             "=m,          d,          d,          <f64_p9>,   wY,
               <f64_av>,   Z,          <f64_vsx>,  <f64_vsx>,  !r,
-              Y,          r,          !r,         wa")
+              Y,          r,          !r")
 	(match_operand:FMOVE64 1 "input_operand"
              "d,          m,          d,          wY,         <f64_p9>,
               Z,          <f64_av>,   <f64_vsx>,  <zero_fp>,  <zero_fp>,
-              r,          Y,          r,          eF"))]
+              r,          Y,          r"))]
   "! TARGET_POWERPC64 && TARGET_HARD_FLOAT
    && (gpc_reg_operand (operands[0], <MODE>mode)
        || gpc_reg_operand (operands[1], <MODE>mode))"
@@ -8093,21 +8087,20 @@
    #
    #
    #
-   #
    #"
   [(set_attr "type"
             "fpstore,     fpload,     fpsimple,   fpload,     fpstore,
              fpload,      fpstore,    veclogical, veclogical, two,
-             store,       load,       two,        vecperm")
+             store,       load,       two")
    (set_attr "size" "64")
    (set_attr "length"
             "*,           *,          *,          *,          *,
              *,           *,          *,          *,          8,
-             8,           8,          8,          *")
+             8,           8,          8")
    (set_attr "isa"
             "*,           *,          *,          p9v,        p9v,
              p7v,         p7v,        *,          *,          *,
-             *,           *,          *,          p10")])
+             *,           *,          *")])
 
 ;;           STW      LWZ     MR      G-const H-const F-const
 
@@ -8134,19 +8127,19 @@
 ;;           STFD         LFD         FMR         LXSD        STXSD
 ;;           LXSDX        STXSDX      XXLOR       XXLXOR      LI 0
 ;;           STD          LD          MR          MT{CTR,LR}  MF{CTR,LR}
-;;           NOP          MFVSRD      MTVSRD      XXSPLTIDP
+;;           NOP          MFVSRD      MTVSRD
 
 (define_insn "*mov<mode>_hardfloat64"
   [(set (match_operand:FMOVE64 0 "nonimmediate_operand"
            "=m,           d,          d,          <f64_p9>,   wY,
              <f64_av>,    Z,          <f64_vsx>,  <f64_vsx>,  !r,
              YZ,          r,          !r,         *c*l,       !r,
-            *h,           r,          <f64_dm>,   wa")
+            *h,           r,          <f64_dm>")
 	(match_operand:FMOVE64 1 "input_operand"
             "d,           m,          d,          wY,         <f64_p9>,
              Z,           <f64_av>,   <f64_vsx>,  <zero_fp>,  <zero_fp>,
              r,           YZ,         r,          r,          *h,
-             0,           <f64_dm>,   r,          eF"))]
+             0,           <f64_dm>,   r"))]
   "TARGET_POWERPC64 && TARGET_HARD_FLOAT
    && (gpc_reg_operand (operands[0], <MODE>mode)
        || gpc_reg_operand (operands[1], <MODE>mode))"
@@ -8168,19 +8161,18 @@
    mf%1 %0
    nop
    mfvsrd %0,%x1
-   mtvsrd %x0,%1
-   #"
+   mtvsrd %x0,%1"
   [(set_attr "type"
             "fpstore,     fpload,     fpsimple,   fpload,     fpstore,
              fpload,      fpstore,    veclogical, veclogical, integer,
              store,       load,       *,          mtjmpr,     mfjmpr,
-             *,           mfvsr,      mtvsr,      vecperm")
+             *,           mfvsr,      mtvsr")
    (set_attr "size" "64")
    (set_attr "isa"
             "*,           *,          *,          p9v,        p9v,
              p7v,         p7v,        *,          *,          *,
              *,           *,          *,          *,          *,
-             *,           p8v,        p8v,        p10")])
+             *,           p8v,        p8v")])
 
 ;;           STD      LD       MR      MT<SPR> MF<SPR> G-const
 ;;           H-const  F-const  Special
@@ -9228,7 +9220,6 @@
 ;; a gpr into a fpr instead of reloading an invalid 'Y' address
 
 ;;        GPR store  GPR load   GPR move   FPR store  FPR load   FPR move
-;;	  XXSPLTIDP
 ;;        GPR const  AVX store  AVX store  AVX load   AVX load   VSX move
 ;;        P9 0       P9 -1      AVX 0/-1   VSX 0      VSX -1     P9 const
 ;;        AVX const  
@@ -9236,13 +9227,11 @@
 (define_insn "*movdi_internal32"
   [(set (match_operand:DI 0 "nonimmediate_operand"
          "=Y,        r,         r,         m,         ^d,        ^d,
-          ^wa,
           r,         wY,        Z,         ^v,        $v,        ^wa,
           wa,        wa,        v,         wa,        *i,        v,
           v")
 	(match_operand:DI 1 "input_operand"
          "r,         Y,         r,         ^d,        m,         ^d,
-          eF,
           IJKnF,     ^v,        $v,        wY,        Z,         ^wa,
           Oj,        wM,        OjwM,      Oj,        wM,        wS,
           wB"))]
@@ -9257,7 +9246,6 @@
    lfd%U1%X1 %0,%1
    fmr %0,%1
    #
-   #
    stxsd %1,%0
    stxsdx %x1,%y0
    lxsd %0,%1
@@ -9272,20 +9260,17 @@
    #"
   [(set_attr "type"
          "store,     load,      *,         fpstore,   fpload,    fpsimple,
-          vecperm,
           *,         fpstore,   fpstore,   fpload,    fpload,    veclogical,
           vecsimple, vecsimple, vecsimple, veclogical,veclogical,vecsimple,
           vecsimple")
    (set_attr "size" "64")
    (set_attr "length"
          "8,         8,         8,         *,         *,         *,
-          *,
           16,        *,         *,         *,         *,         *,
           *,         *,         *,         *,         *,         8,
           *")
    (set_attr "isa"
          "*,         *,         *,         *,         *,         *,
-          p10,
           *,         p9v,       p7v,       p9v,       p7v,       *,
           p9v,       p9v,       p7v,       *,         *,         p7v,
           p7v")])
@@ -9321,7 +9306,6 @@
 })
 
 ;;	   GPR store   GPR load    GPR move
-;;	   XXSPLTIDP
 ;;	   GPR li      GPR lis     GPR pli     GPR #
 ;;	   FPR store   FPR load    FPR move
 ;;	   AVX store   AVX store   AVX load    AVX load    VSX move
@@ -9332,7 +9316,6 @@
 (define_insn "*movdi_internal64"
   [(set (match_operand:DI 0 "nonimmediate_operand"
 	  "=YZ,        r,          r,
-	   ^wa,
 	   r,          r,          r,          r,
 	   m,          ^d,         ^d,
 	   wY,         Z,          $v,         $v,         ^wa,
@@ -9342,7 +9325,6 @@
 	   ?r,         ?wa")
 	(match_operand:DI 1 "input_operand"
 	  "r,          YZ,         r,
-	   eF,
 	   I,          L,          eI,         nF,
 	   ^d,         m,          ^d,
 	   ^v,         $v,         wY,         Z,          ^wa,
@@ -9357,7 +9339,6 @@
    std%U0%X0 %1,%0
    ld%U1%X1 %0,%1
    mr %0,%1
-   #
    li %0,%1
    lis %0,%v1
    li %0,%1
@@ -9384,7 +9365,6 @@
    mtvsrd %x0,%1"
   [(set_attr "type"
 	  "store,      load,       *,
-	   vecperm,
 	   *,          *,          *,          *,
 	   fpstore,    fpload,     fpsimple,
 	   fpstore,    fpstore,    fpload,     fpload,     veclogical,
@@ -9395,7 +9375,6 @@
    (set_attr "size" "64")
    (set_attr "length"
 	  "*,          *,          *,
-	   *,
 	   *,          *,          *,          20,
 	   *,          *,          *,
 	   *,          *,          *,          *,          *,
@@ -9405,7 +9384,6 @@
 	   *,          *")
    (set_attr "isa"
 	  "*,          *,          *,
-	   p10,
 	   *,          *,          p10,        *,
 	   *,          *,          *,
 	   p9v,        p7v,        p9v,        p7v,        *,
diff --git a/gcc/config/rs6000/rs6000.opt b/gcc/config/rs6000/rs6000.opt
index c9eb78952d6..9d7878f144a 100644
--- a/gcc/config/rs6000/rs6000.opt
+++ b/gcc/config/rs6000/rs6000.opt
@@ -640,14 +640,6 @@ mprivileged
 Target Var(rs6000_privileged) Init(0)
 Generate code that will run in privileged state.
 
-mxxspltidp
-Target Undocumented Var(TARGET_XXSPLTIDP) Init(1) Save
-Generate (do not generate) XXSPLTIDP instructions.
-
-mlxvkq
-Target Undocumented Var(TARGET_LXVKQ) Init(1) Save
-Generate (do not generate) LXVKQ instructions.
-
 -param=rs6000-density-pct-threshold=
 Target Undocumented Joined UInteger Var(rs6000_density_pct_threshold) Init(85) IntegerRange(0, 100) Param
 When costing for loop vectorization, we probably need to penalize the loop body
diff --git a/gcc/config/rs6000/vsx.md b/gcc/config/rs6000/vsx.md
index d7e58654ded..bf033e31c1c 100644
--- a/gcc/config/rs6000/vsx.md
+++ b/gcc/config/rs6000/vsx.md
@@ -1191,19 +1191,16 @@
 ;; instruction). But generate XXLXOR/XXLORC if it will avoid a register move.
 
 ;;              VSX store  VSX load   VSX move  VSX->GPR   GPR->VSX    LQ (GPR)
-;;              XXSPLTIDP  LXVKQ
 ;;              STQ (GPR)  GPR load   GPR store GPR move   XXSPLTIB    VSPLTISW
 ;;              VSX 0/-1   VMX const  GPR const LVX (VMX)  STVX (VMX)
 (define_insn "vsx_mov<mode>_64bit"
   [(set (match_operand:VSX_M 0 "nonimmediate_operand"
                "=ZwO,      wa,        wa,        r,         we,        ?wQ,
-                wa,        wa,
                 ?&r,       ??r,       ??Y,       <??r>,     wa,        v,
                 ?wa,       v,         <??r>,     wZ,        v")
 
 	(match_operand:VSX_M 1 "input_operand" 
                "wa,        ZwO,       wa,        we,        r,         r,
-                eV,        eQ,
                 wQ,        Y,         r,         r,         wE,        jwM,
                 ?jwM,      W,         <nW>,      v,         wZ"))]
 
@@ -1215,44 +1212,36 @@
 }
   [(set_attr "type"
                "vecstore,  vecload,   vecsimple, mtvsr,     mfvsr,     load,
-                vecperm,   vecperm,
                 store,     load,      store,     *,         vecsimple, vecsimple,
                 vecsimple, *,         *,         vecstore,  vecload")
    (set_attr "num_insns"
                "*,         *,         *,         2,         *,         2,
-                *,         *,
                 2,         2,         2,         2,         *,         *,
                 *,         5,         2,         *,         *")
    (set_attr "max_prefixed_insns"
                "*,         *,         *,         *,         *,         2,
-                *,         *,
                 2,         2,         2,         2,         *,         *,
                 *,         *,         *,         *,         *")
    (set_attr "length"
                "*,         *,         *,         8,         *,         8,
-                *,         *,
                 8,         8,         8,         8,         *,         *,
                 *,         20,        8,         *,         *")
    (set_attr "isa"
                "<VSisa>,   <VSisa>,   <VSisa>,   *,         *,         *,
-                p10,       p10,
                 *,         *,         *,         *,         p9v,       *,
                 <VSisa>,   *,         *,         *,         *")])
 
 ;;              VSX store  VSX load   VSX move   GPR load   GPR store  GPR move
-;;              XXSPLTIDP  LXVKQ
 ;;              XXSPLTIB   VSPLTISW   VSX 0/-1   VMX const  GPR const
 ;;              LVX (VMX)  STVX (VMX)
 (define_insn "*vsx_mov<mode>_32bit"
   [(set (match_operand:VSX_M 0 "nonimmediate_operand"
                "=ZwO,      wa,        wa,        ??r,       ??Y,       <??r>,
-                wa,        wa,
                 wa,        v,         ?wa,       v,         <??r>,
                 wZ,        v")
 
 	(match_operand:VSX_M 1 "input_operand" 
                "wa,        ZwO,       wa,        Y,         r,         r,
-                eV,        eQ,
                 wE,        jwM,       ?jwM,      W,         <nW>,
                 v,         wZ"))]
 
@@ -1264,17 +1253,14 @@
 }
   [(set_attr "type"
                "vecstore,  vecload,   vecsimple, load,      store,    *,
-                vecperm,   vecperm,
                 vecsimple, vecsimple, vecsimple, *,         *,
                 vecstore,  vecload")
    (set_attr "length"
                "*,         *,         *,         16,        16,        16,
-                *,         *,
                 *,         *,         *,         20,        16,
                 *,         *")
    (set_attr "isa"
                "<VSisa>,   <VSisa>,   <VSisa>,   *,         *,         *,
-                p10,       p10,
                 p9v,       *,         <VSisa>,   *,         *,
                 *,         *")])
 
@@ -6463,53 +6449,15 @@
   DONE;
 })
 
-(define_mode_iterator XXSPLTIDP_S [DI SF DF])
-(define_mode_iterator XXSPLTIDP_V [V2DF V2DI])
-(define_mode_iterator XXSPLTIDP   [DI SF DF V2DF V2DI])
-
-(define_insn "xxspltidp_<mode>_inst"
-  [(set (match_operand:XXSPLTIDP 0 "register_operand" "=wa")
-	(unspec:XXSPLTIDP [(match_operand:SI 1 "c32bit_cint_operand" "n")]
-			  UNSPEC_XXSPLTIDP))]
+(define_insn "xxspltidp_v2df_inst"
+  [(set (match_operand:V2DF 0 "register_operand" "=wa")
+	(unspec:V2DF [(match_operand:SI 1 "c32bit_cint_operand" "n")]
+		     UNSPEC_XXSPLTIDP))]
   "TARGET_POWER10"
   "xxspltidp %x0,%1"
   [(set_attr "type" "vecperm")
    (set_attr "prefixed" "yes")])
 
-;; Generate the XXSPLTIDP instruction to support SFmode, DFmode, and DImode
-;; scalar constants and V2DF and V2DI vector constants where both elements are
-;; the same.  The constant has to be expressible as a SFmode constant that is
-;; not a SFmode denormal value.
-(define_insn_and_split "*xxspltidp_<mode>_internal"
-  [(set (match_operand:XXSPLTIDP_S 0 "vsx_register_operand" "=wa")
-	(match_operand:XXSPLTIDP_S 1 "easy_fp_constant_64bit_scalar" "eF"))]
-  "TARGET_POWER10"
-  "#"
-  "&& 1"
-  [(set (match_dup 0)
-	(unspec:XXSPLTIDP_S [(match_dup 2)] UNSPEC_XXSPLTIDP))]
-{
-  long immediate = xxspltidp_constant_immediate (operands[1], <MODE>mode);
-  operands[2] = GEN_INT (immediate);
-}
- [(set_attr "type" "vecperm")
-  (set_attr "prefixed" "yes")])
-
-(define_insn_and_split "*xxspltidp_<mode>_internal"
-  [(set (match_operand:XXSPLTIDP_V 0 "vsx_register_operand" "=wa")
-	(match_operand:XXSPLTIDP_V 1 "easy_vector_constant_64bit_element" "eV"))]
-  "TARGET_POWER10"
-  "#"
-  "&& 1"
-  [(set (match_dup 0)
-	(unspec:XXSPLTIDP_V [(match_dup 2)] UNSPEC_XXSPLTIDP))]
-{
-  long immediate = xxspltidp_constant_immediate (operands[1], <MODE>mode);
-  operands[2] = GEN_INT (immediate);
-}
- [(set_attr "type" "vecperm")
-  (set_attr "prefixed" "yes")])
-
 ;; XXSPLTI32DX built-in function support
 (define_expand "xxsplti32dx_v4si"
   [(set (match_operand:V4SI 0 "register_operand" "=wa")
diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi
index 813d6316d8c..2b41cb7fb7b 100644
--- a/gcc/doc/md.texi
+++ b/gcc/doc/md.texi
@@ -3333,18 +3333,9 @@ The integer constant zero.
 A constant whose negation is a signed 16-bit constant.
 @end ifset
 
-@item eF
-A 64-bit scalar constant that can be loaded with the XXSPLTIDP instruction.
-
 @item eI
 A signed 34-bit integer constant if prefixed instructions are supported.
 
-@item eQ
-An IEEE 128-bit constant that can be loaded with the LXVKQ instruction.
-
-@item eV
-A 128-bit vector constant that can be loaded with the XXSPLTIDP instruction.
-
 @ifset INTERNALS
 @item G
 A floating point constant that can be loaded into a register with one
diff --git a/gcc/testsuite/gcc.target/powerpc/float128-constant.c b/gcc/testsuite/gcc.target/powerpc/float128-constant.c
deleted file mode 100644
index 23ee7e85d84..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/float128-constant.c
+++ /dev/null
@@ -1,144 +0,0 @@
-/* { dg-require-effective-target ppc_float128_hw } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -mlxvkq -O2" } */
-
-/* Test whether the LXVKQ instruction is generated to load special IEEE 128-bit
-   constants.  */
-
-_Float128
-return_0 (void)
-{
-  return 0.0f128;			/* XXSPLTIB 34,0.  */
-}
-
-_Float128
-return_1 (void)
-{
-  return 1.0f128;			/* LXVKQ 34,1.  */
-}
-
-_Float128
-return_2 (void)
-{
-  return 2.0f128;			/* LXVKQ 34,2.  */
-}
-
-_Float128
-return_3 (void)
-{
-  return 3.0f128;			/* LXVKQ 34,3.  */
-}
-
-_Float128
-return_4 (void)
-{
-  return 4.0f128;			/* LXVKQ 34,4.  */
-}
-
-_Float128
-return_5 (void)
-{
-  return 5.0f128;			/* LXVKQ 34,5.  */
-}
-
-_Float128
-return_6 (void)
-{
-  return 6.0f128;			/* LXVKQ 34,6.  */
-}
-
-_Float128
-return_7 (void)
-{
-  return 7.0f128;			/* LXVKQ 34,7.  */
-}
-
-_Float128
-return_m0 (void)
-{
-  return -0.0f128;			/* LXVKQ 34,16.  */
-}
-
-_Float128
-return_m1 (void)
-{
-  return -1.0f128;			/* LXVKQ 34,17.  */
-}
-
-_Float128
-return_m2 (void)
-{
-  return -2.0f128;			/* LXVKQ 34,18.  */
-}
-
-_Float128
-return_m3 (void)
-{
-  return -3.0f128;			/* LXVKQ 34,19.  */
-}
-
-_Float128
-return_m4 (void)
-{
-  return -4.0f128;			/* LXVKQ 34,20.  */
-}
-
-_Float128
-return_m5 (void)
-{
-  return -5.0f128;			/* LXVKQ 34,21.  */
-}
-
-_Float128
-return_m6 (void)
-{
-  return -6.0f128;			/* LXVKQ 34,22.  */
-}
-
-_Float128
-return_m7 (void)
-{
-  return -7.0f128;			/* LXVKQ 34,23.  */
-}
-
-_Float128
-return_inf (void)
-{
-  return __builtin_inff128 ();		/* LXVKQ 34,8.  */
-}
-
-_Float128
-return_minf (void)
-{
-  return - __builtin_inff128 ();	/* LXVKQ 34,24.  */
-}
-
-_Float128
-return_nan (void)
-{
-  return __builtin_nanf128 ("");	/* LXVKQ 34,9.  */
-}
-
-/* Note, the following NaNs should not generate a LXVKQ instruction.  */
-_Float128
-return_mnan (void)
-{
-  return - __builtin_nanf128 ("");	/* PLXV 34,... */
-}
-
-_Float128
-return_nan2 (void)
-{
-  return __builtin_nanf128 ("1");	/* PLXV 34,... */
-}
-
-_Float128
-return_nans (void)
-{
-  return __builtin_nansf128 ("");	/* PLXV 34,... */
-}
-
-/* { dg-final { scan-assembler-times {\mlxvkq\M}    18 } } */
-/* { dg-final { scan-assembler-times {\mplxv\M}      3 } } */
-/* { dg-final { scan-assembler-times {\mxxspltib\M}  1 } } */
-
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-df.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-df.c
deleted file mode 100644
index 8f6e176f9af..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-df.c
+++ /dev/null
@@ -1,60 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2" } */
-
-#include <math.h>
-
-/* Test generating DFmode constants with the ISA 3.1 (power10) XXSPLTIDP
-   instruction.  */
-
-double
-scalar_double_0 (void)
-{
-  return 0.0;			/* XXSPLTIB or XXLXOR.  */
-}
-
-double
-scalar_double_1 (void)
-{
-  return 1.0;			/* XXSPLTIDP.  */
-}
-
-#ifndef __FAST_MATH__
-double
-scalar_double_m0 (void)
-{
-  return -0.0;			/* XXSPLTIDP.  */
-}
-
-double
-scalar_double_nan (void)
-{
-  return __builtin_nan ("");	/* XXSPLTIDP.  */
-}
-
-double
-scalar_double_inf (void)
-{
-  return __builtin_inf ();	/* XXSPLTIDP.  */
-}
-
-double
-scalar_double_m_inf (void)	/* XXSPLTIDP.  */
-{
-  return - __builtin_inf ();
-}
-#endif
-
-double
-scalar_double_pi (void)
-{
-  return M_PI;			/* PLFD.  */
-}
-
-double
-scalar_double_denorm (void)
-{
-  return 0x1p-149f;		/* PLFD.  */
-}
-
-/* { dg-final { scan-assembler-times {\mxxspltidp\M} 5 } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-di.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-di.c
deleted file mode 100644
index 75714d0b11d..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-di.c
+++ /dev/null
@@ -1,70 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2" } */
-
-/* Test generating DImode constants that have the same bit pattern as DFmode
-   constants that can be loaded with the XXSPLTIDP instruction with the ISA 3.1
-   (power10).  We use asm to force the value into vector registers.  */
-
-double
-scalar_0 (void)
-{
-  /* XXSPLTIB or XXLXOR.  */
-  double d;
-  long long ll = 0;
-
-  __asm__ ("xxmr %x0,%x1" : "=wa" (d) : "wa" (ll));
-  return d;
-}
-
-double
-scalar_1 (void)
-{
-  /* VSPLTISW/VUPKLSW or XXSPLTIB/VEXTSB2D.  */
-  double d;
-  long long ll = 1;
-
-  __asm__ ("xxmr %x0,%x1" : "=wa" (d) : "wa" (ll));
-  return d;
-}
-
-/* 0x8000000000000000LL is the bit pattern for -0.0, which can be generated
-   with XXSPLTIDP.  */
-double
-scalar_float_neg_0 (void)
-{
-  /* XXSPLTIDP.  */
-  double d;
-  long long ll = 0x8000000000000000LL;
-
-  __asm__ ("xxmr %x0,%x1" : "=wa" (d) : "wa" (ll));
-  return d;
-}
-
-/* 0x3ff0000000000000LL is the bit pattern for 1.0 which can be generated with
-   XXSPLTIDP.  */
-double
-scalar_float_1_0 (void)
-{
-  /* XXSPLTIDP.  */
-  double d;
-  long long ll = 0x3ff0000000000000LL;
-
-  __asm__ ("xxmr %x0,%x1" : "=wa" (d) : "wa" (ll));
-  return d;
-}
-
-/* 0x400921fb54442d18LL is the bit pattern for PI, which cannot be generated
-   with XXSPLTIDP.  */
-double
-scalar_pi (void)
-{
-  /* PLXV.  */
-  double d;
-  long long ll = 0x400921fb54442d18LL;
-
-  __asm__ ("xxmr %x0,%x1" : "=wa" (d) : "wa" (ll));
-  return d;
-}
-
-/* { dg-final { scan-assembler-times {\mxxspltidp\M} 2 } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-sf.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-sf.c
deleted file mode 100644
index 72504bdfbbd..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-sf.c
+++ /dev/null
@@ -1,60 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2" } */
-
-#include <math.h>
-
-/* Test generating SFmode constants with the ISA 3.1 (power10) XXSPLTIDP
-   instruction.  */
-
-float
-scalar_float_0 (void)
-{
-  return 0.0f;			/* XXSPLTIB or XXLXOR.  */
-}
-
-float
-scalar_float_1 (void)
-{
-  return 1.0f;			/* XXSPLTIDP.  */
-}
-
-#ifndef __FAST_MATH__
-float
-scalar_float_m0 (void)
-{
-  return -0.0f;			/* XXSPLTIDP.  */
-}
-
-float
-scalar_float_nan (void)
-{
-  return __builtin_nanf ("");	/* XXSPLTIDP.  */
-}
-
-float
-scalar_float_inf (void)
-{
-  return __builtin_inff ();	/* XXSPLTIDP.  */
-}
-
-float
-scalar_float_m_inf (void)	/* XXSPLTIDP.  */
-{
-  return - __builtin_inff ();
-}
-#endif
-
-float
-scalar_float_pi (void)
-{
-  return (float)M_PI;		/* XXSPLTIDP.  */
-}
-
-float
-scalar_float_denorm (void)
-{
-  return 0x1p-149f;		/* PLFS.  */
-}
-
-/* { dg-final { scan-assembler-times {\mxxspltidp\M} 6 } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2df.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2df.c
deleted file mode 100644
index 82ffc86f8aa..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2df.c
+++ /dev/null
@@ -1,64 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2" } */
-
-#include <math.h>
-
-/* Test generating V2DFmode constants with the ISA 3.1 (power10) XXSPLTIDP
-   instruction.  */
-
-vector double
-v2df_double_0 (void)
-{
-  return (vector double) { 0.0, 0.0 };			/* XXSPLTIB or XXLXOR.  */
-}
-
-vector double
-v2df_double_1 (void)
-{
-  return (vector double) { 1.0, 1.0 };			/* XXSPLTIDP.  */
-}
-
-#ifndef __FAST_MATH__
-vector double
-v2df_double_m0 (void)
-{
-  return (vector double) { -0.0, -0.0 };		/* XXSPLTIDP.  */
-}
-
-vector double
-v2df_double_nan (void)
-{
-  return (vector double) { __builtin_nan (""),
-			   __builtin_nan ("") };	/* XXSPLTIDP.  */
-}
-
-vector double
-v2df_double_inf (void)
-{
-  return (vector double) { __builtin_inf (),
-			   __builtin_inf () };		/* XXSPLTIDP.  */
-}
-
-vector double
-v2df_double_m_inf (void)
-{
-  return (vector double) { - __builtin_inf (),
-			   - __builtin_inf () };	/* XXSPLTIDP.  */
-}
-#endif
-
-vector double
-v2df_double_pi (void)
-{
-  return (vector double) { M_PI, M_PI };		/* PLVX.  */
-}
-
-vector double
-v2df_double_denorm (void)
-{
-  return (vector double) { (double)0x1p-149f,
-			   (double)0x1p-149f };		/* PLVX.  */
-}
-
-/* { dg-final { scan-assembler-times {\mxxspltidp\M} 5 } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2di.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2di.c
deleted file mode 100644
index 4d44f943d26..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2di.c
+++ /dev/null
@@ -1,50 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2" } */
-
-/* Test generating V2DImode constants that have the same bit pattern as
-   V2DFmode constants that can be loaded with the XXSPLTIDP instruction with
-   the ISA 3.1 (power10).  */
-
-vector long long
-vector_0 (void)
-{
-  /* XXSPLTIB or XXLXOR.  */
-  return (vector long long) { 0LL, 0LL };
-}
-
-vector long long
-vector_1 (void)
-{
-  /* XXSPLTIB and VEXTSB2D.  */
-  return (vector long long) { 1LL, 1LL };
-}
-
-/* 0x8000000000000000LL is the bit pattern for -0.0, which can be generated
-   with XXSPLTISDP.  */
-vector long long
-vector_float_neg_0 (void)
-{
-  /* XXSPLTIDP.  */
-  return (vector long long) { 0x8000000000000000LL, 0x8000000000000000LL };
-}
-
-/* 0x3ff0000000000000LL is the bit pattern for 1.0 which can be generated with
-   XXSPLTISDP.  */
-vector long long
-vector_float_1_0 (void)
-{
-  /* XXSPLTIDP.  */
-  return (vector long long) { 0x3ff0000000000000LL, 0x3ff0000000000000LL };
-}
-
-/* 0x400921fb54442d18LL is the bit pattern for PI, which cannot be generated
-   with XXSPLTIDP.  */
-vector long long
-scalar_pi (void)
-{
-  /* PLXV.  */
-  return (vector long long) { 0x400921fb54442d18LL, 0x400921fb54442d18LL };
-}
-
-/* { dg-final { scan-assembler-times {\mxxspltidp\M} 2 } } */


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [gcc(refs/users/meissner/heads/work070)] Revert patches.
@ 2021-10-05 23:29 Michael Meissner
  0 siblings, 0 replies; 6+ messages in thread
From: Michael Meissner @ 2021-10-05 23:29 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:9c95829611e84fde8b9dda88d76b7e0213221c71

commit 9c95829611e84fde8b9dda88d76b7e0213221c71
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Tue Oct 5 19:28:42 2021 -0400

    Revert patches.
    
    2021-10-05  Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/
    
            Revert patches.
            * config/rs6000/constraint.md (eD): New constraint.
            * config/rs6000/predicates.md (easy_fp_constant): If the constant
            can be loaded with XXSPLTI32DX, it is easy.
            (easy_vector_constant_2insns): New predicate.
            (easy_vector_constant): If the constant can be loaded with
            XXSPLTI32DX, it is easy.
            * config/rs6000/rs6000-protos.h (xxsplti32dx_constant_immediate):
            New declaration.
            * config/rs6000/rs6000.c (xxsplti32dx_constant_immediate): New
            helper function.
            (output_vec_const_move): If the operand can be loaded with
            XXSPLTI32DX, split it.
            (rs6000_output_move_128bit): Likewise.
            (prefixed_xxsplti_p): Constants loaded with XXSPLTI32DX are
            prefixed.
            * config/rs6000/rs6000.md (movsf_hardfloat): Add support for
            constants loaded with XXSPLTI32DX.
            (mov<mode>_hardfloat32, FMOVE64 iterator):  Likewise.
            (mov<mode>_hardfloat64, FMOVE64 iterator): Likewise.
            (movdi_internal32): Likewise.
            (movdi_internal64): Likewise.
            * config/rs6000/rs6000.opt (-mxxsplti32dx): New option.
            * config/rs6000/vsx.md (UNSPEC_XXSPLTI32DX_CONST): New unspec.
            (vsx_mov<mode>_64bit): Add support for constants loaded with
            XXSPLTI32DX.
            (vsx_mov<mode>_32bit): Likewise.
            (XXSPLTI32DX): New mode iterator.
            (splitter for XXSPLTI32DX): Add splitter for constants loaded with
            XXSPLTI32DX.
            (xxsplti32dx_<mode>_first): New insns.
            (xxsplti32dx_<mode>_second): New insns.
            * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
            eD constraint.

Diff:
---
 gcc/config/rs6000/constraints.md  |   6 --
 gcc/config/rs6000/predicates.md   |  62 --------------------
 gcc/config/rs6000/rs6000-protos.h |   1 -
 gcc/config/rs6000/rs6000.c        |  65 +--------------------
 gcc/config/rs6000/rs6000.md       | 119 +++++++++-----------------------------
 gcc/config/rs6000/rs6000.opt      |   5 --
 gcc/config/rs6000/vsx.md          | 107 +++++-----------------------------
 gcc/doc/md.texi                   |   3 -
 8 files changed, 44 insertions(+), 324 deletions(-)

diff --git a/gcc/config/rs6000/constraints.md b/gcc/config/rs6000/constraints.md
index f9d1d1ab446..46daeb0861c 100644
--- a/gcc/config/rs6000/constraints.md
+++ b/gcc/config/rs6000/constraints.md
@@ -213,12 +213,6 @@
   "A 64-bit scalar constant that can be loaded with the XXSPLTIDP instruction."
   (match_operand 0 "easy_fp_constant_64bit_scalar"))
 
-;; DImode, DFmode, V2DImode, V2DFmode constant that can be loaded with 2
-;; XXSPLTI32DX instruction.
-(define_constraint "eD"
-  "A constant that can be loaded with a pair of XXSPLTI32DX instructions."
-  (match_operand 0 "easy_vector_constant_2insns"))
-
 ;; 34-bit signed integer constant
 (define_constraint "eI"
   "A signed 34-bit integer constant if prefixed instructions are supported."
diff --git a/gcc/config/rs6000/predicates.md b/gcc/config/rs6000/predicates.md
index 49b0cb2a060..9b9f5934e58 100644
--- a/gcc/config/rs6000/predicates.md
+++ b/gcc/config/rs6000/predicates.md
@@ -611,11 +611,6 @@
   if (easy_fp_constant_ieee128 (op, mode))
     return 1;
 
-  /* If we have the ISA 3.1 XXSPLTI32DX instruction, see if the constant can be
-     loaded with a pair of instructions.  */
-  if (easy_vector_constant_2insns (op, mode))
-    return 1;
-
   /* Otherwise consider floating point constants hard, so that the
      constant gets pushed to memory during the early RTL phases.  This
      has the advantage that double precision constants that can be
@@ -756,60 +751,6 @@
   return easy_fp_constant_64bit_scalar (op, GET_MODE_INNER (mode));
 })
 
-;; Return 1 if the operand is either a DImode/DFmode scalar constant or
-;; V2DImode/V2DFmode vector constant that needs 2 XXSPLTI32DX instructions to
-;; load the value
-
-(define_predicate "easy_vector_constant_2insns"
-  (match_code "const_vector,vec_duplicate,const_int,const_double")
-{
-  /* Can we do the XXSPLTI32DX instruction?  */
-  if (!TARGET_XXSPLTI32DX || !TARGET_PREFIXED || !TARGET_VSX)
-    return false;
-
-  if (mode == VOIDmode)
-    mode = GET_MODE (op);
-
-  /* Convert vector constant/duplicate into a scalar.  */
-  if (CONST_VECTOR_P (op))
-    {
-      if (!CONST_VECTOR_DUPLICATE_P (op))
-	return false;
-
-      op = CONST_VECTOR_ELT (op, 0);
-      mode = GET_MODE_INNER (mode);
-    }
-
-  else if (GET_CODE (op) == VEC_DUPLICATE)
-    {
-      op = XEXP (op, 0);
-      mode = GET_MODE_INNER (mode);
-    }
-
-  if (GET_MODE_SIZE (mode) > 8)
-    return false;
-
-  /* 0.0 or 0 is easy to generate.  */
-  if (op == CONST0_RTX (mode))
-    return false;
-
-  /* If we can load up the constant in other ways (either a single load
-     constant and a direct move or XXSPLTIDP), don't generate the
-     XXSPLTI32DX.  */
-  if (CONST_INT_P (op))
-    return !(satisfies_constraint_I (op)
-             || satisfies_constraint_L (op)
-             || satisfies_constraint_eI (op)
-             || easy_fp_constant_64bit_scalar (op, mode));
-
-  /* For floating point, if we can use XXSPLTIDP, we don't want to
-     generate XXSPLTI32DX's.  */
-  else if (CONST_DOUBLE_P (op) && (mode == SFmode || mode == DFmode))
-    return !easy_fp_constant_64bit_scalar (op, mode);
-
-  return false;
-})
-
 ;; Return 1 if the operand is a constant that can be loaded with the XXSPLTIW
 ;; instruction that loads up a 32-bit immediate and splats it into the vector.
 
@@ -1031,9 +972,6 @@
       if (easy_vector_constant_splat_word (op, mode))
 	return true;
 
-      if (easy_vector_constant_2insns (op, mode))
-	return 1;
-
       if (TARGET_P9_VECTOR
           && xxspltib_constant_p (op, mode, &num_insns, &value))
 	return true;
diff --git a/gcc/config/rs6000/rs6000-protos.h b/gcc/config/rs6000/rs6000-protos.h
index f517624cc56..540c401e7ad 100644
--- a/gcc/config/rs6000/rs6000-protos.h
+++ b/gcc/config/rs6000/rs6000-protos.h
@@ -32,7 +32,6 @@ extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, int, int, int,
 
 extern int easy_altivec_constant (rtx, machine_mode);
 extern bool xxspltib_constant_p (rtx, machine_mode, int *, int *);
-extern void xxsplti32dx_constant_immediate (rtx, machine_mode, long *, long *);
 extern long xxspltidp_constant_immediate (rtx, machine_mode);
 extern long xxspltiw_constant_immediate (rtx, machine_mode);
 extern int lxvkq_constant_immediate (rtx, machine_mode);
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 6bd34444c07..f93a7c80801 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -6951,59 +6951,6 @@ xxspltib_constant_p (rtx op,
   return true;
 }
 
-/* Return the two 32-bit constants to use in the two XXSPLTI32DX instructions
-   via HIGH_PTR and LOW_PTR.  */
-
-void
-xxsplti32dx_constant_immediate (rtx op,
-				machine_mode mode,
-				long *high_ptr,
-				long *low_ptr)
-{
-  gcc_assert (easy_vector_constant_2insns (op, mode));
-
-  if (mode == VOIDmode)
-    mode = GET_MODE (op);
-
-  if (CONST_VECTOR_P (op))
-    {
-      op = CONST_VECTOR_ELT (op, 0);
-      mode = GET_MODE_INNER (mode);
-    }
-
-  else if (GET_CODE (op) == VEC_DUPLICATE)
-    {
-      op = XEXP (op, 0);
-      mode = GET_MODE_INNER (mode);
-    }
-
-  if (CONST_INT_P (op))
-    {
-      HOST_WIDE_INT value = INTVAL (op);
-      *high_ptr = (value >> 32) & 0xffffffff;
-      *low_ptr = value & 0xffffffff;
-      return;
-    }
-
-  else if (CONST_DOUBLE_P (op) && (mode == SFmode || mode == DFmode))
-    {
-      long high_low[2];
-      const struct real_value *rv = CONST_DOUBLE_REAL_VALUE (op);
-      REAL_VALUE_TO_TARGET_DOUBLE (*rv, high_low);
-
-      /* The double precision value is laid out in memory order.  We need to
-	 undo this for XXSPLTI32DX.  */
-      if (!BYTES_BIG_ENDIAN)
-	std::swap (high_low[0], high_low[1]);
-
-      *high_ptr = high_low[0] & 0xffffffff;
-      *low_ptr = high_low[1] & 0xffffffff;
-      return;
-    }
-
-  gcc_unreachable ();
-}
-
 /* Return the immediate value used in the XXSPLTIDP instruction.  */
 
 long
@@ -7287,9 +7234,6 @@ output_vec_const_move (rtx *operands)
 	  return "lxvkq %x0,%2";
 	}
 
-      if (easy_vector_constant_2insns (vec, mode))
-	return "#";
-
       if (TARGET_P9_VECTOR
 	  && xxspltib_constant_p (vec, mode, &num_insns, &xxspltib_value))
 	{
@@ -14138,9 +14082,6 @@ rs6000_output_move_128bit (rtx operands[])
       return "lxvkq %x0,%2";
     }
 
-  else if (dest_vsx_p && easy_vector_constant_2insns (src, mode))
-    return "#";
-
   else if (dest_regno >= 0
 	   && (CONST_INT_P (src)
 	       || CONST_WIDE_INT_P (src)
@@ -27055,13 +26996,11 @@ prefixed_xxsplti_p (rtx_insn *insn)
     case E_DImode:
     case E_DFmode:
     case E_SFmode:
-      return (easy_fp_constant_64bit_scalar (src, mode)
-	      || easy_vector_constant_2insns (src, mode));
+      return easy_fp_constant_64bit_scalar (src, mode);
 
     case E_V2DImode:
     case E_V2DFmode:
-      return (easy_vector_constant_64bit_element (src, mode)
-	      || easy_vector_constant_2insns (src, mode));
+      return easy_vector_constant_64bit_element (src, mode);
 
     case E_V16QImode:
     case E_V8HImode:
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index 5c120ef1672..8afc4b2756d 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -7764,17 +7764,17 @@
 ;;
 ;;	LWZ          LFS        LXSSP       LXSSPX     STFS       STXSSP
 ;;	STXSSPX      STW        XXLXOR      LI         FMR        XSCPSGNDP
-;;	MR           MT<x>      MF<x>       NOP        XXSPLTIDP  XXSPLTI32DX
+;;	MR           MT<x>      MF<x>       NOP        XXSPLTIDP
 
 (define_insn "movsf_hardfloat"
   [(set (match_operand:SF 0 "nonimmediate_operand"
 	 "=!r,       f,         v,          wa,        m,         wY,
 	  Z,         m,         wa,         !r,        f,         wa,
-	  !r,        *c*l,      !r,         *h,        wa,        wa")
+	  !r,        *c*l,      !r,         *h,        wa")
 	(match_operand:SF 1 "input_operand"
 	 "m,         m,         wY,         Z,         f,         v,
 	  wa,        r,         j,          j,         f,         wa,
-	  r,         r,         *h,         0,         eF,        eD"))]
+	  r,         r,         *h,         0,         eF"))]
   "(register_operand (operands[0], SFmode)
    || register_operand (operands[1], SFmode))
    && TARGET_HARD_FLOAT
@@ -7797,24 +7797,15 @@
    mt%0 %1
    mf%1 %0
    nop
-   #
    #"
   [(set_attr "type"
 	"load,       fpload,    fpload,     fpload,    fpstore,   fpstore,
 	 fpstore,    store,     veclogical, integer,   fpsimple,  fpsimple,
-	 *,          mtjmpr,    mfjmpr,     *,         vecperm,   vecperm")
+	 *,          mtjmpr,    mfjmpr,     *,         vecperm")
    (set_attr "isa"
 	"*,          *,         p9v,        p8v,       *,         p9v,
 	 p8v,        *,         *,          *,         *,         *,
-	 *,          *,         *,          *,         p10,       p10")
-   (set_attr "max_prefixed_insns"
-	"*,          *,         *,          *,         *,         *,
-	 *,          *,         *,          *,         *,         *,
-	 *,          *,         *,          *,         *,         2")
-   (set_attr "num_insns"
-	"*,          *,         *,          *,         *,         *,
-	 *,          *,         *,          *,         *,         *,
-	 *,          *,         *,          *,         *,         2")])
+	 *,          *,         *,          *,         p10")])
 
 ;;	LWZ          LFIWZX     STW        STFIWX     MTVSRWZ    MFVSRWZ
 ;;	FMR          MR         MT%0       MF%1       NOP
@@ -8074,18 +8065,18 @@
 
 ;;           STFD         LFD         FMR         LXSD        STXSD
 ;;           LXSD         STXSD       XXLOR       XXLXOR      GPR<-0
-;;           LWZ          STW         MR          XXSPLTIDP   XXSPLTI32DX
+;;           LWZ          STW         MR          XXSPLTIDP
 
 
 (define_insn "*mov<mode>_hardfloat32"
   [(set (match_operand:FMOVE64 0 "nonimmediate_operand"
             "=m,          d,          d,          <f64_p9>,   wY,
               <f64_av>,   Z,          <f64_vsx>,  <f64_vsx>,  !r,
-              Y,          r,          !r,         wa,         wa")
+              Y,          r,          !r,         wa")
 	(match_operand:FMOVE64 1 "input_operand"
              "d,          m,          d,          wY,         <f64_p9>,
               Z,          <f64_av>,   <f64_vsx>,  <zero_fp>,  <zero_fp>,
-              r,          Y,          r,          eF,         eD"))]
+              r,          Y,          r,          eF"))]
   "! TARGET_POWERPC64 && TARGET_HARD_FLOAT
    && (gpc_reg_operand (operands[0], <MODE>mode)
        || gpc_reg_operand (operands[1], <MODE>mode))"
@@ -8103,29 +8094,20 @@
    #
    #
    #
-   #
    #"
   [(set_attr "type"
             "fpstore,     fpload,     fpsimple,   fpload,     fpstore,
              fpload,      fpstore,    veclogical, veclogical, two,
-             store,       load,       two,        vecperm,    vecperm")
+             store,       load,       two,        vecperm")
    (set_attr "size" "64")
    (set_attr "length"
             "*,           *,          *,          *,          *,
              *,           *,          *,          *,          8,
-             8,           8,          8,          *,          *")
-   (set_attr "num_insns"
-            "*,           *,          *,          *,          *,
-             *,           *,          *,          *,          *,
-             *,           *,          *,          *,          2")
-   (set_attr "max_prefixed_insns"
-            "*,           *,          *,          *,          *,
-             *,           *,          *,          *,          *,
-             *,           *,          *,          *,          2")
+             8,           8,          8,          *")
    (set_attr "isa"
             "*,           *,          *,          p9v,        p9v,
              p7v,         p7v,        *,          *,          *,
-             *,           *,          *,          p10,        p10")])
+             *,           *,          *,          p10")])
 
 ;;           STW      LWZ     MR      G-const H-const F-const
 
@@ -8152,19 +8134,19 @@
 ;;           STFD         LFD         FMR         LXSD        STXSD
 ;;           LXSDX        STXSDX      XXLOR       XXLXOR      LI 0
 ;;           STD          LD          MR          MT{CTR,LR}  MF{CTR,LR}
-;;           NOP          MFVSRD      MTVSRD      XXSPLTIDP   XXSPLTI32DX
+;;           NOP          MFVSRD      MTVSRD      XXSPLTIDP
 
 (define_insn "*mov<mode>_hardfloat64"
   [(set (match_operand:FMOVE64 0 "nonimmediate_operand"
            "=m,           d,          d,          <f64_p9>,   wY,
              <f64_av>,    Z,          <f64_vsx>,  <f64_vsx>,  !r,
              YZ,          r,          !r,         *c*l,       !r,
-            *h,           r,          <f64_dm>,   wa,         wa")
+            *h,           r,          <f64_dm>,   wa")
 	(match_operand:FMOVE64 1 "input_operand"
             "d,           m,          d,          wY,         <f64_p9>,
              Z,           <f64_av>,   <f64_vsx>,  <zero_fp>,  <zero_fp>,
              r,           YZ,         r,          r,          *h,
-             0,           <f64_dm>,   r,          eF,         eD"))]
+             0,           <f64_dm>,   r,          eF"))]
   "TARGET_POWERPC64 && TARGET_HARD_FLOAT
    && (gpc_reg_operand (operands[0], <MODE>mode)
        || gpc_reg_operand (operands[1], <MODE>mode))"
@@ -8187,29 +8169,18 @@
    nop
    mfvsrd %0,%x1
    mtvsrd %x0,%1
-   #
    #"
   [(set_attr "type"
             "fpstore,     fpload,     fpsimple,   fpload,     fpstore,
              fpload,      fpstore,    veclogical, veclogical, integer,
              store,       load,       *,          mtjmpr,     mfjmpr,
-             *,           mfvsr,      mtvsr,      vecperm,    vecperm")
+             *,           mfvsr,      mtvsr,      vecperm")
    (set_attr "size" "64")
    (set_attr "isa"
             "*,           *,          *,          p9v,        p9v,
              p7v,         p7v,        *,          *,          *,
              *,           *,          *,          *,          *,
-             *,           p8v,        p8v,        p10,        p10")
-   (set_attr "num_insns"
-            "*,           *,          *,          *,          *,
-             *,           *,          *,          *,          *,
-             *,           *,          *,          *,          *,
-             *,           *,          *,          *,          2")
-   (set_attr "max_prefixed_insns"
-            "*,           *,          *,          *,          *,
-             *,           *,          *,          *,          *,
-             *,           *,          *,          *,          *,
-             *,           *,          *,          *,          2")])
+             *,           p8v,        p8v,        p10")])
 
 ;;           STD      LD       MR      MT<SPR> MF<SPR> G-const
 ;;           H-const  F-const  Special
@@ -9257,7 +9228,7 @@
 ;; a gpr into a fpr instead of reloading an invalid 'Y' address
 
 ;;        GPR store  GPR load   GPR move   FPR store  FPR load   FPR move
-;;	  XXSPLTIDP  XXSPLTI32DX
+;;	  XXSPLTIDP
 ;;        GPR const  AVX store  AVX store  AVX load   AVX load   VSX move
 ;;        P9 0       P9 -1      AVX 0/-1   VSX 0      VSX -1     P9 const
 ;;        AVX const  
@@ -9265,13 +9236,13 @@
 (define_insn "*movdi_internal32"
   [(set (match_operand:DI 0 "nonimmediate_operand"
          "=Y,        r,         r,         m,         ^d,        ^d,
-          ^wa,       ^wa,
+          ^wa,
           r,         wY,        Z,         ^v,        $v,        ^wa,
           wa,        wa,        v,         wa,        *i,        v,
           v")
 	(match_operand:DI 1 "input_operand"
          "r,         Y,         r,         ^d,        m,         ^d,
-          eF,        eD,
+          eF,
           IJKnF,     ^v,        $v,        wY,        Z,         ^wa,
           Oj,        wM,        OjwM,      Oj,        wM,        wS,
           wB"))]
@@ -9287,7 +9258,6 @@
    fmr %0,%1
    #
    #
-   #
    stxsd %1,%0
    stxsdx %x1,%y0
    lxsd %0,%1
@@ -9302,32 +9272,20 @@
    #"
   [(set_attr "type"
          "store,     load,      *,         fpstore,   fpload,    fpsimple,
-          vecperm,   vecperm,
+          vecperm,
           *,         fpstore,   fpstore,   fpload,    fpload,    veclogical,
           vecsimple, vecsimple, vecsimple, veclogical,veclogical,vecsimple,
           vecsimple")
    (set_attr "size" "64")
    (set_attr "length"
          "8,         8,         8,         *,         *,         *,
-          *,         *,
+          *,
           16,        *,         *,         *,         *,         *,
           *,         *,         *,         *,         *,         8,
           *")
-   (set_attr "num_insns"
-         "*,         *,         *,         *,         *,         *,
-          *,         *,
-          *,         *,         *,         *,         *,         *,
-          *,         *,         *,         *,         *,         *,
-          *")
-   (set_attr "max_prefixed_insns"
-         "*,         *,         *,         *,         *,         *,
-          *,         *,
-          *,         *,         *,         *,         *,         *,
-          *,         *,         *,         *,         *,         *,
-          *")
    (set_attr "isa"
          "*,         *,         *,         *,         *,         *,
-          p10,       p10,
+          p10,
           *,         p9v,       p7v,       p9v,       p7v,       *,
           p9v,       p9v,       p7v,       *,         *,         p7v,
           p7v")])
@@ -9363,7 +9321,7 @@
 })
 
 ;;	   GPR store   GPR load    GPR move
-;;	   XXSPLTIDP   XXSPLTI32DX
+;;	   XXSPLTIDP
 ;;	   GPR li      GPR lis     GPR pli     GPR #
 ;;	   FPR store   FPR load    FPR move
 ;;	   AVX store   AVX store   AVX load    AVX load    VSX move
@@ -9374,7 +9332,7 @@
 (define_insn "*movdi_internal64"
   [(set (match_operand:DI 0 "nonimmediate_operand"
 	  "=YZ,        r,          r,
-	   ^wa,        ^wa,
+	   ^wa,
 	   r,          r,          r,          r,
 	   m,          ^d,         ^d,
 	   wY,         Z,          $v,         $v,         ^wa,
@@ -9384,7 +9342,7 @@
 	   ?r,         ?wa")
 	(match_operand:DI 1 "input_operand"
 	  "r,          YZ,         r,
-	   eF,         eD,
+	   eF,
 	   I,          L,          eI,         nF,
 	   ^d,         m,          ^d,
 	   ^v,         $v,         wY,         Z,          ^wa,
@@ -9400,7 +9358,6 @@
    ld%U1%X1 %0,%1
    mr %0,%1
    #
-   #
    li %0,%1
    lis %0,%v1
    li %0,%1
@@ -9427,7 +9384,7 @@
    mtvsrd %x0,%1"
   [(set_attr "type"
 	  "store,      load,       *,
-	   vecperm,    vecperm,
+	   vecperm,
 	   *,          *,          *,          *,
 	   fpstore,    fpload,     fpsimple,
 	   fpstore,    fpstore,    fpload,     fpload,     veclogical,
@@ -9438,7 +9395,7 @@
    (set_attr "size" "64")
    (set_attr "length"
 	  "*,          *,          *,
-	   *,          *,
+	   *,
 	   *,          *,          *,          20,
 	   *,          *,          *,
 	   *,          *,          *,          *,          *,
@@ -9446,29 +9403,9 @@
 	   8,          *,
 	   *,          *,          *,
 	   *,          *")
-   (set_attr "num_insns"
-	  "*,          *,          *,
-	   *,          2,
-	   *,          *,          *,          *,
-	   *,          *,          *,
-	   *,          *,          *,          *,          *,
-	   *,          *,          *,          *,          *,
-	   8,          *,
-	   *,          *,          *,
-	   *,          *")
-   (set_attr "max_prefixed_insns"
-	  "*,          *,          *,
-	   *,          2,
-	   *,          *,          *,          *,
-	   *,          *,          *,
-	   *,          *,          *,          *,          *,
-	   *,          *,          *,          *,          *,
-	   8,          *,
-	   *,          *,          *,
-	   *,          *")
    (set_attr "isa"
 	  "*,          *,          *,
-	   p10,        p10,
+	   p10,
 	   *,          *,          p10,        *,
 	   *,          *,          *,
 	   p9v,        p7v,        p9v,        p7v,        *,
diff --git a/gcc/config/rs6000/rs6000.opt b/gcc/config/rs6000/rs6000.opt
index 898bc4e9e6e..a53aad72547 100644
--- a/gcc/config/rs6000/rs6000.opt
+++ b/gcc/config/rs6000/rs6000.opt
@@ -640,11 +640,6 @@ mprivileged
 Target Var(rs6000_privileged) Init(0)
 Generate code that will run in privileged state.
 
-;; Do not enable at this time.
-mxxsplti32dx
-Target Undocumented Var(TARGET_XXSPLTI32DX) Init(0) Save
-Generate (do not generate) XXSPLTI32DX instructions.
-
 mxxspltidp
 Target Undocumented Var(TARGET_XXSPLTIDP) Init(1) Save
 Generate (do not generate) XXSPLTIDP instructions.
diff --git a/gcc/config/rs6000/vsx.md b/gcc/config/rs6000/vsx.md
index cc21c454491..712e5df0c02 100644
--- a/gcc/config/rs6000/vsx.md
+++ b/gcc/config/rs6000/vsx.md
@@ -376,7 +376,6 @@
    UNSPEC_XXSPLTIW
    UNSPEC_XXSPLTIDP
    UNSPEC_XXSPLTI32DX
-   UNSPEC_XXSPLTI32DX_CONST
    UNSPEC_XXBLEND
    UNSPEC_XXPERMX
   ])
@@ -1192,19 +1191,19 @@
 ;; instruction). But generate XXLXOR/XXLORC if it will avoid a register move.
 
 ;;              VSX store  VSX load   VSX move  VSX->GPR   GPR->VSX    LQ (GPR)
-;;              XXSPLTIDP  XXSPLTIW   LXVKQ     XXSPLTI32DX
+;;              XXSPLTIDP  XXSPLTIW   LXVKQ
 ;;              STQ (GPR)  GPR load   GPR store GPR move   XXSPLTIB    VSPLTISW
 ;;              VSX 0/-1   VMX const  GPR const LVX (VMX)  STVX (VMX)
 (define_insn "vsx_mov<mode>_64bit"
   [(set (match_operand:VSX_M 0 "nonimmediate_operand"
                "=ZwO,      wa,        wa,        r,         we,        ?wQ,
-                wa,        wa,        wa,        wa,
+                wa,        wa,        wa,
                 ?&r,       ??r,       ??Y,       <??r>,     wa,        v,
                 ?wa,       v,         <??r>,     wZ,        v")
 
 	(match_operand:VSX_M 1 "input_operand" 
                "wa,        ZwO,       wa,        we,        r,         r,
-                eV,        eW,        eQ,        eD,
+                eV,        eW,        eQ,
                 wQ,        Y,         r,         r,         wE,        jwM,
                 ?jwM,      W,         <nW>,      v,         wZ"))]
 
@@ -1216,44 +1215,44 @@
 }
   [(set_attr "type"
                "vecstore,  vecload,   vecsimple, mtvsr,     mfvsr,     load,
-                vecperm,   vecperm,   vecperm,   vecperm,
+                vecperm,   vecperm,   vecperm,
                 store,     load,      store,     *,         vecsimple, vecsimple,
                 vecsimple, *,         *,         vecstore,  vecload")
    (set_attr "num_insns"
                "*,         *,         *,         2,         *,         2,
-                *,         *,         *,         2,
+                *,         *,         *,
                 2,         2,         2,         2,         *,         *,
                 *,         5,         2,         *,         *")
    (set_attr "max_prefixed_insns"
                "*,         *,         *,         *,         *,         2,
-                *,         *,         *,         2,
+                *,         *,         *,
                 2,         2,         2,         2,         *,         *,
                 *,         *,         *,         *,         *")
    (set_attr "length"
                "*,         *,         *,         8,         *,         8,
-                *,         *,         *,         *,
+                *,         *,         *,
                 8,         8,         8,         8,         *,         *,
                 *,         20,        8,         *,         *")
    (set_attr "isa"
                "<VSisa>,   <VSisa>,   <VSisa>,   *,         *,         *,
-                p10,       p10,       p10,       p10,
+                p10,       p10,       p10,
                 *,         *,         *,         *,         p9v,       *,
                 <VSisa>,   *,         *,         *,         *")])
 
 ;;              VSX store  VSX load   VSX move   GPR load   GPR store  GPR move
-;;              XXSPLTIDP  XXSPLTIW   LXVKQ      XXSPLTI32DX
+;;              XXSPLTIDP  XXSPLTIW   LXVKQ
 ;;              XXSPLTIB   VSPLTISW   VSX 0/-1   VMX const  GPR const
 ;;              LVX (VMX)  STVX (VMX)
 (define_insn "*vsx_mov<mode>_32bit"
   [(set (match_operand:VSX_M 0 "nonimmediate_operand"
                "=ZwO,      wa,        wa,        ??r,       ??Y,       <??r>,
-                wa,        wa,        wa,        wa,
+                wa,        wa,        wa,
                 wa,        v,         ?wa,       v,         <??r>,
                 wZ,        v")
 
 	(match_operand:VSX_M 1 "input_operand" 
                "wa,        ZwO,       wa,        Y,         r,         r,
-                eV,        eW,        eQ,        eD,
+                eV,        eW,        eQ,
                 wE,        jwM,       ?jwM,      W,         <nW>,
                 v,         wZ"))]
 
@@ -1265,27 +1264,17 @@
 }
   [(set_attr "type"
                "vecstore,  vecload,   vecsimple, load,      store,    *,
-                vecperm,   vecperm,   vecperm,   vecperm,
+                vecperm,   vecperm,   vecperm,
                 vecsimple, vecsimple, vecsimple, *,         *,
                 vecstore,  vecload")
    (set_attr "length"
                "*,         *,         *,         16,        16,        16,
-                *,         *,         *,         *,
+                *,         *,         *,
                 *,         *,         *,         20,        16,
                 *,         *")
-   (set_attr "num_insns"
-               "*,         *,         *,         *,         *,         *,
-                *,         *,         *,         2,
-                *,         *,         *,         *,         *,
-                *,         *")
-   (set_attr "length"
-               "*,         *,         *,         *,         *,         *,
-                *,         *,         *,         2,
-                *,         *,         *,         *,         *,
-                *,         *")
    (set_attr "isa"
                "<VSisa>,   <VSisa>,   <VSisa>,   *,         *,         *,
-                p10,       p10,       p10,       p10,
+                p10,       p10,       p10,
                 p9v,       *,         <VSisa>,   *,         *,
                 *,         *")])
 
@@ -6581,74 +6570,6 @@
   [(set_attr "type" "vecperm")
    (set_attr "prefixed" "yes")])
 
-;; XXSPLTI32DX used to create 64-bit constants or vector constants where the
-;; even elements match and the odd elements match.
-(define_mode_iterator XXSPLTI32DX [DI SF DF V2DF V2DI])
-
-;; Don't split DImode before register allocation, so that it has a better
-;; chance of winding up in a GPR register.
-(define_split
-  [(set (match_operand:XXSPLTI32DX 0 "vsx_register_operand")
-	(match_operand:XXSPLTI32DX 1 "easy_vector_constant_2insns"))]
-  "TARGET_POWER10 && (reload_completed || <MODE>mode != DImode)"
-  [(set (match_dup 0)
-	(unspec:XXSPLTI32DX [(match_dup 2)
-			     (match_dup 3)] UNSPEC_XXSPLTI32DX_CONST))
-   (set (match_dup 0)
-	(unspec:XXSPLTI32DX [(match_dup 0)
-			     (match_dup 4)
-			     (match_dup 5)] UNSPEC_XXSPLTI32DX_CONST))]
-{
-  long high = 0, low = 0;
-
-  xxsplti32dx_constant_immediate (operands[1], <MODE>mode, &high, &low);
-
-  /* If the low bits are 0 or all 1s, initialize that word first.  This way we
-     can use a smaller XXSPLTIB/XXLXOR/XXLORC instruction instead the first
-     XXSPLTI32DX.  */
-  if (low == 0 || low ==  -1)
-    {
-      operands[2] = const1_rtx;
-      operands[3] = GEN_INT (low);
-      operands[4] = const0_rtx;
-      operands[5] = GEN_INT (high);
-    }
-  else
-    {
-      operands[2] = const0_rtx;
-      operands[3] = GEN_INT (high);
-      operands[4] = const1_rtx;
-      operands[5] = GEN_INT (low);
-    }
-})
-
-;; First word of XXSPLTI32DX
-(define_insn "*xxsplti32dx_<mode>_first"
-  [(set (match_operand:XXSPLTI32DX 0 "vsx_register_operand" "=wa,wa,wa")
-	(unspec:XXSPLTI32DX [(match_operand 1 "u1bit_cint_operand" "n,n,n")
-			     (match_operand 2 "const_int_operand" "O,wM,n")]
-			    UNSPEC_XXSPLTI32DX_CONST))]
-  "TARGET_XXSPLTI32DX"
-  "@
-   xxlxor %x0,%x0,%x0
-   xxlorc %x0,%x0,%x0
-   xxsplti32dx %x0,%1,%2"
-  [(set_attr "type" "veclogical,veclogical,vecperm")
-   (set_attr "prefixed" "*,*,yes")])
-
-;; Second word of XXSPLTI32DX
-(define_insn "*xxsplti32dx_<mode>_second"
-  [(set (match_operand:XXSPLTI32DX 0 "vsx_register_operand" "=wa")
-	(unspec:XXSPLTI32DX [(match_operand:XXSPLTI32DX 1 "vsx_register_operand" "0")
-			     (match_operand 2 "u1bit_cint_operand" "n")
-			     (match_operand 3 "const_int_operand" "n")]
-			    UNSPEC_XXSPLTI32DX_CONST))]
-  "TARGET_XXSPLTI32DX"
-  "xxsplti32dx %x0,%2,%3"
-  [(set_attr "type" "vecperm")
-   (set_attr "prefixed" "yes")])
-
-
 ;; XXBLEND built-in function support
 (define_insn "xxblend_<mode>"
   [(set (match_operand:VM3 0 "register_operand" "=wa")
diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi
index feaa205291a..4ad0e745c94 100644
--- a/gcc/doc/md.texi
+++ b/gcc/doc/md.texi
@@ -3333,9 +3333,6 @@ The integer constant zero.
 A constant whose negation is a signed 16-bit constant.
 @end ifset
 
-@item eD
-A constant that can be loaded with a pair of XXSPLTI32DX instructions.
-
 @item eF
 A 64-bit scalar constant that can be loaded with the XXSPLTIDP instruction.


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [gcc(refs/users/meissner/heads/work070)] Revert patches.
@ 2021-10-05 21:49 Michael Meissner
  0 siblings, 0 replies; 6+ messages in thread
From: Michael Meissner @ 2021-10-05 21:49 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:c7126acebb27d7b46d8b2f178cfade0cab259cbd

commit c7126acebb27d7b46d8b2f178cfade0cab259cbd
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Tue Oct 5 17:45:57 2021 -0400

    Revert patches.
    
    2021-10-05  Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/testsuite/
    
            Revert patches.
            * gcc.target/powerpc/pr86731-fwrapv-longlong.c: Update insn
            regex for power10.
    
    2021-10-05  Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/testsuite/
    
            Revert patches.
            * gcc.target/powerpc/vec-splat-constant-v2di-2.c: New test.
    
    2021-10-05  Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/
    
            Revert patches.
            * config/rs6000/constraint.md (eD): New constraint.
            * config/rs6000/predicates.md (easy_fp_constant): If the constant
            can be loaded with XXSPLTI32DX, it is easy.
            (easy_vector_constant_2insns): New predicate.
            (easy_vector_constant): If the constant can be loaded with
            XXSPLTI32DX, it is easy.
            * config/rs6000/rs6000-protos.h (xxsplti32dx_constant_immediate):
            New declaration.
            * config/rs6000/rs6000.c (xxsplti32dx_constant_immediate): New
            helper function.
            (output_vec_const_move): If the operand can be loaded with
            XXSPLTI32DX, split it.
            (rs6000_output_move_128bit): Likewise.
            (prefixed_xxsplti_p): Constants loaded with XXSPLTI32DX are
            prefixed.
            * config/rs6000/rs6000.md (movsf_hardfloat): Add support for
            constants loaded with XXSPLTI32DX.
            (mov<mode>_hardfloat32, FMOVE64 iterator):  Likewise.
            (mov<mode>_hardfloat64, FMOVE64 iterator): Likewise.
            (movdi_internal32): Likewise.
            (movdi_internal64): Likewise.
            * config/rs6000/rs6000.opt (-mxxsplti32dx): New option.
            * config/rs6000/vsx.md (UNSPEC_XXSPLTI32DX_CONST): New unspec.
            (vsx_mov<mode>_64bit): Add support for constants loaded with
            XXSPLTI32DX.
            (vsx_mov<mode>_32bit): Likewise.
            (XXSPLTI32DX): New mode iterator.
            (splitter for XXSPLTI32DX): Add splitter for constants loaded with
            XXSPLTI32DX.
            (xxsplti32dx_<mode>_first): New insns.
            (xxsplti32dx_<mode>_second): New insns.
            * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
            eD constraint.
    
    gcc/testsuite/
    
            Revert patches.
            * gcc.target/powerpc/vec-splat-constant-df-2.c: New test.
            * gcc.target/powerpc/vec-splat-constant-di-2.c: New test.
            * gcc.target/powerpc/vec-splat-constant-v2df-2.c: New test.
            * gcc.target/powerpc/vec-splat-constant-v2di-2.c: New test.
    
    2021-10-05  Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/
    
            Revert patches.
            * config/rs6000/constraints.md (eW): New constraint.
            * config/rs6000/predicates.md (easy_vector_constant_splat_word):
            New predicate.
            (easy_vector_constant): If we can use XXSPLTIW, the vector
            constant is easy.
            * config/rs6000/rs6000-protos.h (xxspltiw_constant_immediate): New
            declaration.
            * config/rs6000/rs6000.c (xxspltib_constant_p): Don't return true
            if we could generate XXSPLTIW instead of XXSPLTIB and sign
            extend.
            (xxspltiw_constant_immediate): New function.
            (output_vec_const_move): Add support for loading up vector
            constants with XXSPLTIW.
            (prefixed_xxsplti_p): Recognize xxspltiw instructions as
            prefixed.
            * config/rs6000/rs6000.opt (-mxxspltiw): New debug switch.
            * config/rs6000/vsx.md (vsx_mov<mode>_64bit): Add support for
            constants loaded with XXSPLTIW.
            (vsx_mov<mode>_32bit): Likewise.
            * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
            eW constraint.
    
    gcc/testsuite/
    
            Revert patches.
            * gcc.target/powerpc/vec-splat-constant-v16qi.c: New test.
            * gcc.target/powerpc/vec-splat-constant-v4sf.c: New test.
            * gcc.target/powerpc/vec-splat-constant-v4si.c: New test.
            * gcc.target/powerpc/vec-splat-constant-v8hi.c: New test.
    
    2021-10-04  Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/
    
            Revert patches.
            * config/rs6000/constraints.md (eQ): New constraint.
            * config/rs6000/predicates.md (easy_fp_constant): If we can use
            LXVKQ, it is an easy floating point constant.
            (easy_fp_constant_ieee128): New predicate.
            * config/rs6000/rs6000-protos.h (xxspltidp_constant_immediate):
            New declaration.
            * config/rs6000/rs6000.c (xxspltidp_constant_immediate): New
            function.
            (output_vec_const_move): Add support for LXVKQ.
            (rs6000_output_move_128bit): Likewise.
            * config/rs6000/rs6000.opt (-mlxvkq): New debug option.
            * config/rs6000/vsx.md (vsx_mov<mode>_64bit): Add support for
            LXVKQ.
            (vsx_mov<mode>_32bit): Likewise.
            * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
            eQ constraint.
    
    gcc/testsuite/
    
            Revert patches.
            * gcc.target/powerpc/float128-constant.c: New test.
    
    2021-10-04  Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/
    
            Revert patches.
            * config/rs6000/constraints.md (eF): New constraint.
            (eV): New constraint.
            * config/rs6000/predicates.md (easy_fp_constant): If we can load
            the scalar constant with XXSPLTIDP, the constant is easy.
            (easy_fp_constant_64bit_scalar): New predicate.
            (easy_vector_constant_64bit_element): New predicate.
            (easy_vector_constant): If we can generate XXSPLTIDP, mark the
            vector constant as easy.
            * config/rs6000/rs6000-protos.h (xxspltidp_constant_immediate): New
            declaration.
            (prefixed_xxsplti_p): Likewise.
            * config/rs6000/rs6000.c (xxspltidp_constant_immediate): New function.
            (output_vec_const_move): Add support for XXSPLTIDP.
            (prefixed_xxsplti_p): New function.
            * config/rs6000/rs6000.md (prefixed attribute): Add support for the
            xxsplti* prefixed instructions.
            (movsf_hardfloat): Add XXSPLTIDP support.
            (mov<mode>_hardfloat32, FMOVE64 iterator): Likewise.
            (mov<mode>_hardfloat64, FMOVE64 iterator): Likewise.
            (movdi_internal32): Likewise.
            (movdi_internal64): Likewise.
            * config/rs6000/rs6000.opt (-mxxspltidp): New switch.
            * config/rs6000/vsx.md (vsx_move<mode>_64bit): Add XXSPLTIDP
            support.
            (vsx_move<mode>_32bit): Likewise.
            (XXSPLTIDP_S): New mode iterator.
            (XXSPLTIDP_V): Likewise.
            (XXSPLTIDP): Likewise.
            (xxspltidp_<mode>_inst): Replace xxspltidp_v2df_inst with an
            iterated form that also does SFmode, DFmode, DImode, and
            V2DImode.
            (xxspltidp_<mode>_internal): New insn and splits.
            * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
            eF and eV constraints.
    
    gcc/testsuite/
    
            Revert patches.
            * gcc.target/powerpc/vec-splat-constant-df.c: New test.
            * gcc.target/powerpc/vec-splat-constant-di.c: New test.
            * gcc.target/powerpc/vec-splat-constant-sf.c: New test.
            * gcc.target/powerpc/vec-splat-constant-v2df.c: New test.
            * gcc.target/powerpc/vec-splat-constant-v2di.c: New test.

Diff:
---
 gcc/config/rs6000/constraints.md                   |  10 --
 gcc/config/rs6000/predicates.md                    | 140 ---------------------
 gcc/config/rs6000/rs6000-protos.h                  |   2 -
 gcc/config/rs6000/rs6000.c                         |  96 --------------
 gcc/config/rs6000/rs6000.md                        |  58 +++------
 gcc/config/rs6000/rs6000.opt                       |   4 -
 gcc/config/rs6000/vsx.md                           |  60 +--------
 gcc/doc/md.texi                                    |   6 -
 .../gcc.target/powerpc/pr86731-fwrapv-longlong.c   |   9 +-
 .../gcc.target/powerpc/vec-splat-constant-df.c     |  60 ---------
 .../gcc.target/powerpc/vec-splat-constant-di.c     |  70 -----------
 .../gcc.target/powerpc/vec-splat-constant-sf.c     |  60 ---------
 .../gcc.target/powerpc/vec-splat-constant-v2df.c   |  64 ----------
 .../gcc.target/powerpc/vec-splat-constant-v2di.c   |  50 --------
 14 files changed, 26 insertions(+), 663 deletions(-)

diff --git a/gcc/config/rs6000/constraints.md b/gcc/config/rs6000/constraints.md
index 1ff46c9f4fc..c8cff1a3038 100644
--- a/gcc/config/rs6000/constraints.md
+++ b/gcc/config/rs6000/constraints.md
@@ -208,21 +208,11 @@
   (and (match_code "const_int")
        (match_test "((- (unsigned HOST_WIDE_INT) ival) + 0x8000) < 0x10000")))
 
-;; DI/SF/DF scalar constant that can be loaded with the XXSPLTIDP instruction.
-(define_constraint "eF"
-  "A 64-bit scalar constant that can be loaded with the XXSPLTIDP instruction."
-  (match_operand 0 "easy_fp_constant_64bit_scalar"))
-
 ;; 34-bit signed integer constant
 (define_constraint "eI"
   "A signed 34-bit integer constant if prefixed instructions are supported."
   (match_operand 0 "cint34_operand"))
 
-;; V2DI/V2DF vector constant that can be loaded with the XXSPLTIDP instruction.
-(define_constraint "eV"
-  "A 128-bit vector constant that can be loaded with the XXSPLTIDP instruction."
-  (match_operand 0 "easy_vector_constant_64bit_element"))
-
 ;; Floating-point constraints.  These two are defined so that insn
 ;; length attributes can be calculated exactly.
 
diff --git a/gcc/config/rs6000/predicates.md b/gcc/config/rs6000/predicates.md
index 7544ac87700..956e42bc514 100644
--- a/gcc/config/rs6000/predicates.md
+++ b/gcc/config/rs6000/predicates.md
@@ -601,11 +601,6 @@
   if (TARGET_VSX && op == CONST0_RTX (mode))
     return 1;
 
-  /* If we have the ISA 3.1 XXSPLTIDP instruction, see if the constant can
-     be loaded with that instruction.  */
-  if (easy_fp_constant_64bit_scalar (op, mode))
-    return 1;
-
   /* Otherwise consider floating point constants hard, so that the
      constant gets pushed to memory during the early RTL phases.  This
      has the advantage that double precision constants that can be
@@ -614,138 +609,6 @@
    return 0;
 })
 
-;; Return 1 if the operand is a 64-bit scalar constant that can be loaded via
-;; the XXSPLTIDP instruction, which takes a SFmode value and produces a V2DF or
-;; V2DI mode result that is interpretted as a 64-bit scalar.
-(define_predicate "easy_fp_constant_64bit_scalar"
-  (match_code "const_int,const_double")
-{
-  const REAL_VALUE_TYPE *rv;
-  REAL_VALUE_TYPE rv_type;
-
-  /* Can we do the XXSPLTIDP instruction?  */
-  if (!TARGET_XXSPLTIDP || !TARGET_PREFIXED || !TARGET_VSX)
-    return false;
-
-  if (mode == VOIDmode)
-    mode = GET_MODE (op);
-
-  /* Don't return true for 0.0 or 0 since that is easy to create without
-     XXSPLTIDP.  */
-  if (op == CONST0_RTX (mode))
-    return false;
-
-  /* Handle DImode by creating a DF value from it.  */
-  if (CONST_INT_P (op) && (mode == DImode || mode == VOIDmode))
-    {
-      HOST_WIDE_INT df_value = INTVAL (op);
-
-      /* Avoid values that look like DFmode NaN's.  The IEEE 754 64-bit
-         floating format has 1 bit for sign, 11 bits for the exponent,
-         and 52 bits for the mantissa.  NaN values have the exponent set
-         to all 1 bits, and the mantissa non-zero (mantissa == 0 is
-         infinity).  */
-      int df_exponent = (df_value >> 52) & 0x7ff;
-      HOST_WIDE_INT df_mantissa = df_value & HOST_WIDE_INT_C (0x1fffffffffffff);
-
-      if (df_exponent == 0x7ff && df_mantissa != 0)	/* NaN.  */
-	return false;
-
-      /* Avoid values that are DFmode subnormal values.  Subnormal numbers
-         have the exponent all 0 bits, and the mantissa non-zero.  If the
-         value is subnormal, then the hidden bit in the mantissa is not
-         set.  */
-      if (df_exponent == 0 && df_mantissa != 0)		/* subnormal.  */
-	return false;
-
-      long df_words[2];
-      df_words[0] = (df_value >> 32) & 0xffffffff;
-      df_words[1] = df_value & 0xffffffff;
-
-      /* real_from_target takes the target words in  target order.  */
-      if (!BYTES_BIG_ENDIAN)
-	std::swap (df_words[0], df_words[1]);
-
-      real_from_target (&rv_type, df_words, DFmode);
-      rv = &rv_type;
-    }
-
-  /* Handle SFmode/DFmode constants.  Don't allow decimal or IEEE 128-bit
-     binary constants.  */
-  else if (CONST_DOUBLE_P (op) && (mode == SFmode || mode == DFmode))
-    rv = CONST_DOUBLE_REAL_VALUE (op);
-
-  /* We can't handle anything else with the XXSPLTIDP instruction.  */
-  else
-    return false;  
-
-  /* Validate that the number can be stored as a SFmode value.  */
-  if (!exact_real_truncate (SFmode, rv))
-    return false;
-
-  /* Validate that the number is not a SFmode subnormal value (exponent is 0,
-     mantissa field is non-zero) which is undefined for the XXSPLTIDP
-     instruction.  */
-  long sf_value;
-  real_to_target (&sf_value, rv, SFmode);
-
-  /* IEEE 754 32-bit values have 1 bit for the sign, 8 bits for the exponent,
-     and 23 bits for the mantissa.  Subnormal numbers have the exponent all
-     0 bits, and the mantissa non-zero.  */
-  long sf_exponent = (sf_value >> 23) & 0xFF;
-  long sf_mantissa = sf_value & 0x7FFFFF;
-
-  if (sf_exponent == 0 && sf_mantissa != 0)
-    return false;
-
-  return true;
-})
-
-;; Return 1 if the operand is a 64-bit vector constant that can be loaded via
-;; the XXSPLTIDP instruction, which takes a SFmode value and produces a
-;; V2DFmode or V2DI result.
-;;
-;; We cannot combine the scalar and vector cases because otherwise it is
-;; problematical if we assign an appropriate integer constant to a TImode
-;; value.  I.e.
-;;
-;;	(set (reg:TI 32)
-;;	     (const_int 0x8000000000000000))
-;;
-;; Otherwise, the constant would be splatted into the 2 64-bit positions in the
-;; vector register, and not loaded with the upper 64-bits 0, and the constant
-;; in the lower 64-bits.
-
-(define_predicate "easy_vector_constant_64bit_element"
-  (match_code "const_vector,vec_duplicate")
-{
-  /* Can we do the XXSPLTIDP instruction?  */
-  if (!TARGET_XXSPLTIDP || !TARGET_PREFIXED || !TARGET_VSX)
-    return false;
-
-  if (mode == VOIDmode)
-    mode = GET_MODE (op);
-
-  if (mode != V2DFmode && mode != V2DImode)
-    return false;
-
-  if (CONST_VECTOR_P (op))
-    {
-      if (!CONST_VECTOR_DUPLICATE_P (op))
-	return false;
-
-      op = CONST_VECTOR_ELT (op, 0);
-    }
-
-  else if (GET_CODE (op) == VEC_DUPLICATE)
-    op = XEXP (op, 0);
-
-  else
-    return false;
-
-  return easy_fp_constant_64bit_scalar (op, GET_MODE_INNER (mode));
-})
-
 ;; Return 1 if the operand is a constant that can loaded with a XXSPLTIB
 ;; instruction and then a VUPKHSB, VECSB2W or VECSB2D instruction.
 
@@ -790,9 +653,6 @@
       if (zero_constant (op, mode) || all_ones_constant (op, mode))
 	return true;
 
-      if (easy_vector_constant_64bit_element (op, mode))
-	return true;
-
       if (TARGET_P9_VECTOR
           && xxspltib_constant_p (op, mode, &num_insns, &value))
 	return true;
diff --git a/gcc/config/rs6000/rs6000-protos.h b/gcc/config/rs6000/rs6000-protos.h
index e9be9c4d99f..14f6b313105 100644
--- a/gcc/config/rs6000/rs6000-protos.h
+++ b/gcc/config/rs6000/rs6000-protos.h
@@ -32,7 +32,6 @@ extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, int, int, int,
 
 extern int easy_altivec_constant (rtx, machine_mode);
 extern bool xxspltib_constant_p (rtx, machine_mode, int *, int *);
-extern long xxspltidp_constant_immediate (rtx, machine_mode);
 extern int vspltis_shifted (rtx);
 extern HOST_WIDE_INT const_vector_elt_as_int (rtx, unsigned int);
 extern bool macho_lo_sum_memory_operand (rtx, machine_mode);
@@ -199,7 +198,6 @@ enum non_prefixed_form reg_to_non_prefixed (rtx reg, machine_mode mode);
 extern bool prefixed_load_p (rtx_insn *);
 extern bool prefixed_store_p (rtx_insn *);
 extern bool prefixed_paddi_p (rtx_insn *);
-extern bool prefixed_xxsplti_p (rtx_insn *);
 extern void rs6000_asm_output_opcode (FILE *);
 extern void output_pcrel_opt_reloc (rtx);
 extern void rs6000_final_prescan_insn (rtx_insn *, rtx [], int);
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 83d243269e3..ad860728169 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -6946,60 +6946,6 @@ xxspltib_constant_p (rtx op,
   return true;
 }
 
-/* Return the immediate value used in the XXSPLTIDP instruction.  */
-
-long
-xxspltidp_constant_immediate (rtx op, machine_mode mode)
-{
-  long ret;
-
-  /* Handle vectors.  */
-  if (CONST_VECTOR_P (op))
-    {
-      op = CONST_VECTOR_ELT (op, 0);
-      mode = GET_MODE_INNER (mode);
-    }
-
-  else if (GET_CODE (op) == VEC_DUPLICATE)
-    {
-      op = XEXP (op, 0);
-      mode = GET_MODE (op);
-    }
-
-  gcc_assert (easy_fp_constant_64bit_scalar (op, mode));
-
-  /* Handle DImode/V2DImode by creating a DF value from it and then converting
-     the DFmode value to SFmode.  */
-  if (CONST_INT_P (op))
-    {
-      HOST_WIDE_INT df_value = INTVAL (op);
-      long df_words[2];
-
-      df_words[0] = (df_value >> 32) & 0xffffffff;
-      df_words[1] = df_value & 0xffffffff;
-
-      /* real_to_target takes input in target endian order.  */
-      if (!BYTES_BIG_ENDIAN)
-	std::swap (df_words[0], df_words[1]);
-
-      REAL_VALUE_TYPE r;
-      real_from_target (&r, &df_words[0], DFmode);
-      real_to_target (&ret, &r, SFmode);
-    }
-
-  /* For floating point constants, convert to SFmode.  */
-  else if (CONST_DOUBLE_P (op) && (mode == SFmode || mode == DFmode))
-    {
-      const REAL_VALUE_TYPE *rv = CONST_DOUBLE_REAL_VALUE (op);
-      real_to_target (&ret, rv, SFmode);
-    }
-
-  else
-    gcc_unreachable ();
-
-  return ret;
-}
-
 const char *
 output_vec_const_move (rtx *operands)
 {
@@ -7044,13 +6990,6 @@ output_vec_const_move (rtx *operands)
 	    gcc_unreachable ();
 	}
 
-      if (easy_fp_constant_64bit_scalar (vec, mode)
-	  || easy_vector_constant_64bit_element (vec, mode))
-	{
-	  operands[2] = GEN_INT (xxspltidp_constant_immediate (vec, mode));
-	  return "xxspltidp %x0,%2";
-	}
-
       if (TARGET_P9_VECTOR
 	  && xxspltib_constant_p (vec, mode, &num_insns, &xxspltib_value))
 	{
@@ -26785,41 +26724,6 @@ prefixed_paddi_p (rtx_insn *insn)
   return (iform == INSN_FORM_PCREL_EXTERNAL || iform == INSN_FORM_PCREL_LOCAL);
 }
 
-/* Whether a permute type instruction is a prefixed XXSPLTI* instruction.
-   This is called from the prefixed attribute processing.  */
-
-bool
-prefixed_xxsplti_p (rtx_insn *insn)
-{
-  rtx set = single_set (insn);
-  if (!set)
-    return false;
-
-  rtx dest = SET_DEST (set);
-  rtx src = SET_SRC (set);
-  machine_mode mode = GET_MODE (dest);
-
-  if (!REG_P (dest) && !SUBREG_P (dest))
-    return false;
-
-  switch (mode)
-    {
-    case E_DImode:
-    case E_DFmode:
-    case E_SFmode:
-      return easy_fp_constant_64bit_scalar (src, mode);
-
-    case E_V2DImode:
-    case E_V2DFmode:
-      return easy_vector_constant_64bit_element (src, mode);
-
-    default:
-      break;
-    }
-
-  return false;
-}
-
 /* Whether the next instruction needs a 'p' prefix issued before the
    instruction is printed out.  */
 static bool prepend_p_to_next_insn;
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index 8afc4b2756d..6bec2bddbde 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -314,11 +314,6 @@
 
 	 (eq_attr "type" "integer,add")
 	 (if_then_else (match_test "prefixed_paddi_p (insn)")
-		       (const_string "yes")
-		       (const_string "no"))
-
-	 (eq_attr "type" "vecperm")
-	 (if_then_else (match_test "prefixed_xxsplti_p (insn)")
 		       (const_string "yes")
 		       (const_string "no"))]
 
@@ -7764,17 +7759,17 @@
 ;;
 ;;	LWZ          LFS        LXSSP       LXSSPX     STFS       STXSSP
 ;;	STXSSPX      STW        XXLXOR      LI         FMR        XSCPSGNDP
-;;	MR           MT<x>      MF<x>       NOP        XXSPLTIDP
+;;	MR           MT<x>      MF<x>       NOP
 
 (define_insn "movsf_hardfloat"
   [(set (match_operand:SF 0 "nonimmediate_operand"
 	 "=!r,       f,         v,          wa,        m,         wY,
 	  Z,         m,         wa,         !r,        f,         wa,
-	  !r,        *c*l,      !r,         *h,        wa")
+	  !r,        *c*l,      !r,         *h")
 	(match_operand:SF 1 "input_operand"
 	 "m,         m,         wY,         Z,         f,         v,
 	  wa,        r,         j,          j,         f,         wa,
-	  r,         r,         *h,         0,         eF"))]
+	  r,         r,         *h,         0"))]
   "(register_operand (operands[0], SFmode)
    || register_operand (operands[1], SFmode))
    && TARGET_HARD_FLOAT
@@ -7796,16 +7791,15 @@
    mr %0,%1
    mt%0 %1
    mf%1 %0
-   nop
-   #"
+   nop"
   [(set_attr "type"
 	"load,       fpload,    fpload,     fpload,    fpstore,   fpstore,
 	 fpstore,    store,     veclogical, integer,   fpsimple,  fpsimple,
-	 *,          mtjmpr,    mfjmpr,     *,         vecperm")
+	 *,          mtjmpr,    mfjmpr,     *")
    (set_attr "isa"
 	"*,          *,         p9v,        p8v,       *,         p9v,
 	 p8v,        *,         *,          *,         *,         *,
-	 *,          *,         *,          *,         p10")])
+	 *,          *,         *,          *")])
 
 ;;	LWZ          LFIWZX     STW        STFIWX     MTVSRWZ    MFVSRWZ
 ;;	FMR          MR         MT%0       MF%1       NOP
@@ -8065,18 +8059,18 @@
 
 ;;           STFD         LFD         FMR         LXSD        STXSD
 ;;           LXSD         STXSD       XXLOR       XXLXOR      GPR<-0
-;;           LWZ          STW         MR          XXSPLTIDP
+;;           LWZ          STW         MR
 
 
 (define_insn "*mov<mode>_hardfloat32"
   [(set (match_operand:FMOVE64 0 "nonimmediate_operand"
             "=m,          d,          d,          <f64_p9>,   wY,
               <f64_av>,   Z,          <f64_vsx>,  <f64_vsx>,  !r,
-              Y,          r,          !r,         wa")
+              Y,          r,          !r")
 	(match_operand:FMOVE64 1 "input_operand"
              "d,          m,          d,          wY,         <f64_p9>,
               Z,          <f64_av>,   <f64_vsx>,  <zero_fp>,  <zero_fp>,
-              r,          Y,          r,          eF"))]
+              r,          Y,          r"))]
   "! TARGET_POWERPC64 && TARGET_HARD_FLOAT
    && (gpc_reg_operand (operands[0], <MODE>mode)
        || gpc_reg_operand (operands[1], <MODE>mode))"
@@ -8093,21 +8087,20 @@
    #
    #
    #
-   #
    #"
   [(set_attr "type"
             "fpstore,     fpload,     fpsimple,   fpload,     fpstore,
              fpload,      fpstore,    veclogical, veclogical, two,
-             store,       load,       two,        vecperm")
+             store,       load,       two")
    (set_attr "size" "64")
    (set_attr "length"
             "*,           *,          *,          *,          *,
              *,           *,          *,          *,          8,
-             8,           8,          8,          *")
+             8,           8,          8")
    (set_attr "isa"
             "*,           *,          *,          p9v,        p9v,
              p7v,         p7v,        *,          *,          *,
-             *,           *,          *,          p10")])
+             *,           *,          *")])
 
 ;;           STW      LWZ     MR      G-const H-const F-const
 
@@ -8134,19 +8127,19 @@
 ;;           STFD         LFD         FMR         LXSD        STXSD
 ;;           LXSDX        STXSDX      XXLOR       XXLXOR      LI 0
 ;;           STD          LD          MR          MT{CTR,LR}  MF{CTR,LR}
-;;           NOP          MFVSRD      MTVSRD      XXSPLTIDP
+;;           NOP          MFVSRD      MTVSRD
 
 (define_insn "*mov<mode>_hardfloat64"
   [(set (match_operand:FMOVE64 0 "nonimmediate_operand"
            "=m,           d,          d,          <f64_p9>,   wY,
              <f64_av>,    Z,          <f64_vsx>,  <f64_vsx>,  !r,
              YZ,          r,          !r,         *c*l,       !r,
-            *h,           r,          <f64_dm>,   wa")
+            *h,           r,          <f64_dm>")
 	(match_operand:FMOVE64 1 "input_operand"
             "d,           m,          d,          wY,         <f64_p9>,
              Z,           <f64_av>,   <f64_vsx>,  <zero_fp>,  <zero_fp>,
              r,           YZ,         r,          r,          *h,
-             0,           <f64_dm>,   r,          eF"))]
+             0,           <f64_dm>,   r"))]
   "TARGET_POWERPC64 && TARGET_HARD_FLOAT
    && (gpc_reg_operand (operands[0], <MODE>mode)
        || gpc_reg_operand (operands[1], <MODE>mode))"
@@ -8168,19 +8161,18 @@
    mf%1 %0
    nop
    mfvsrd %0,%x1
-   mtvsrd %x0,%1
-   #"
+   mtvsrd %x0,%1"
   [(set_attr "type"
             "fpstore,     fpload,     fpsimple,   fpload,     fpstore,
              fpload,      fpstore,    veclogical, veclogical, integer,
              store,       load,       *,          mtjmpr,     mfjmpr,
-             *,           mfvsr,      mtvsr,      vecperm")
+             *,           mfvsr,      mtvsr")
    (set_attr "size" "64")
    (set_attr "isa"
             "*,           *,          *,          p9v,        p9v,
              p7v,         p7v,        *,          *,          *,
              *,           *,          *,          *,          *,
-             *,           p8v,        p8v,        p10")])
+             *,           p8v,        p8v")])
 
 ;;           STD      LD       MR      MT<SPR> MF<SPR> G-const
 ;;           H-const  F-const  Special
@@ -9228,7 +9220,6 @@
 ;; a gpr into a fpr instead of reloading an invalid 'Y' address
 
 ;;        GPR store  GPR load   GPR move   FPR store  FPR load   FPR move
-;;	  XXSPLTIDP
 ;;        GPR const  AVX store  AVX store  AVX load   AVX load   VSX move
 ;;        P9 0       P9 -1      AVX 0/-1   VSX 0      VSX -1     P9 const
 ;;        AVX const  
@@ -9236,13 +9227,11 @@
 (define_insn "*movdi_internal32"
   [(set (match_operand:DI 0 "nonimmediate_operand"
          "=Y,        r,         r,         m,         ^d,        ^d,
-          ^wa,
           r,         wY,        Z,         ^v,        $v,        ^wa,
           wa,        wa,        v,         wa,        *i,        v,
           v")
 	(match_operand:DI 1 "input_operand"
          "r,         Y,         r,         ^d,        m,         ^d,
-          eF,
           IJKnF,     ^v,        $v,        wY,        Z,         ^wa,
           Oj,        wM,        OjwM,      Oj,        wM,        wS,
           wB"))]
@@ -9257,7 +9246,6 @@
    lfd%U1%X1 %0,%1
    fmr %0,%1
    #
-   #
    stxsd %1,%0
    stxsdx %x1,%y0
    lxsd %0,%1
@@ -9272,20 +9260,17 @@
    #"
   [(set_attr "type"
          "store,     load,      *,         fpstore,   fpload,    fpsimple,
-          vecperm,
           *,         fpstore,   fpstore,   fpload,    fpload,    veclogical,
           vecsimple, vecsimple, vecsimple, veclogical,veclogical,vecsimple,
           vecsimple")
    (set_attr "size" "64")
    (set_attr "length"
          "8,         8,         8,         *,         *,         *,
-          *,
           16,        *,         *,         *,         *,         *,
           *,         *,         *,         *,         *,         8,
           *")
    (set_attr "isa"
          "*,         *,         *,         *,         *,         *,
-          p10,
           *,         p9v,       p7v,       p9v,       p7v,       *,
           p9v,       p9v,       p7v,       *,         *,         p7v,
           p7v")])
@@ -9321,7 +9306,6 @@
 })
 
 ;;	   GPR store   GPR load    GPR move
-;;	   XXSPLTIDP
 ;;	   GPR li      GPR lis     GPR pli     GPR #
 ;;	   FPR store   FPR load    FPR move
 ;;	   AVX store   AVX store   AVX load    AVX load    VSX move
@@ -9332,7 +9316,6 @@
 (define_insn "*movdi_internal64"
   [(set (match_operand:DI 0 "nonimmediate_operand"
 	  "=YZ,        r,          r,
-	   ^wa,
 	   r,          r,          r,          r,
 	   m,          ^d,         ^d,
 	   wY,         Z,          $v,         $v,         ^wa,
@@ -9342,7 +9325,6 @@
 	   ?r,         ?wa")
 	(match_operand:DI 1 "input_operand"
 	  "r,          YZ,         r,
-	   eF,
 	   I,          L,          eI,         nF,
 	   ^d,         m,          ^d,
 	   ^v,         $v,         wY,         Z,          ^wa,
@@ -9357,7 +9339,6 @@
    std%U0%X0 %1,%0
    ld%U1%X1 %0,%1
    mr %0,%1
-   #
    li %0,%1
    lis %0,%v1
    li %0,%1
@@ -9384,7 +9365,6 @@
    mtvsrd %x0,%1"
   [(set_attr "type"
 	  "store,      load,       *,
-	   vecperm,
 	   *,          *,          *,          *,
 	   fpstore,    fpload,     fpsimple,
 	   fpstore,    fpstore,    fpload,     fpload,     veclogical,
@@ -9395,7 +9375,6 @@
    (set_attr "size" "64")
    (set_attr "length"
 	  "*,          *,          *,
-	   *,
 	   *,          *,          *,          20,
 	   *,          *,          *,
 	   *,          *,          *,          *,          *,
@@ -9405,7 +9384,6 @@
 	   *,          *")
    (set_attr "isa"
 	  "*,          *,          *,
-	   p10,
 	   *,          *,          p10,        *,
 	   *,          *,          *,
 	   p9v,        p7v,        p9v,        p7v,        *,
diff --git a/gcc/config/rs6000/rs6000.opt b/gcc/config/rs6000/rs6000.opt
index 1d7ce4cc94a..9d7878f144a 100644
--- a/gcc/config/rs6000/rs6000.opt
+++ b/gcc/config/rs6000/rs6000.opt
@@ -640,10 +640,6 @@ mprivileged
 Target Var(rs6000_privileged) Init(0)
 Generate code that will run in privileged state.
 
-mxxspltidp
-Target Undocumented Var(TARGET_XXSPLTIDP) Init(1) Save
-Generate (do not generate) XXSPLTIDP instructions.
-
 -param=rs6000-density-pct-threshold=
 Target Undocumented Joined UInteger Var(rs6000_density_pct_threshold) Init(85) IntegerRange(0, 100) Param
 When costing for loop vectorization, we probably need to penalize the loop body
diff --git a/gcc/config/rs6000/vsx.md b/gcc/config/rs6000/vsx.md
index fa33c9d9fbf..bf033e31c1c 100644
--- a/gcc/config/rs6000/vsx.md
+++ b/gcc/config/rs6000/vsx.md
@@ -1191,19 +1191,16 @@
 ;; instruction). But generate XXLXOR/XXLORC if it will avoid a register move.
 
 ;;              VSX store  VSX load   VSX move  VSX->GPR   GPR->VSX    LQ (GPR)
-;;              XXSPLTIDP
 ;;              STQ (GPR)  GPR load   GPR store GPR move   XXSPLTIB    VSPLTISW
 ;;              VSX 0/-1   VMX const  GPR const LVX (VMX)  STVX (VMX)
 (define_insn "vsx_mov<mode>_64bit"
   [(set (match_operand:VSX_M 0 "nonimmediate_operand"
                "=ZwO,      wa,        wa,        r,         we,        ?wQ,
-                wa,
                 ?&r,       ??r,       ??Y,       <??r>,     wa,        v,
                 ?wa,       v,         <??r>,     wZ,        v")
 
 	(match_operand:VSX_M 1 "input_operand" 
                "wa,        ZwO,       wa,        we,        r,         r,
-                eV,
                 wQ,        Y,         r,         r,         wE,        jwM,
                 ?jwM,      W,         <nW>,      v,         wZ"))]
 
@@ -1215,44 +1212,36 @@
 }
   [(set_attr "type"
                "vecstore,  vecload,   vecsimple, mtvsr,     mfvsr,     load,
-                vecperm,
                 store,     load,      store,     *,         vecsimple, vecsimple,
                 vecsimple, *,         *,         vecstore,  vecload")
    (set_attr "num_insns"
                "*,         *,         *,         2,         *,         2,
-                *,
                 2,         2,         2,         2,         *,         *,
                 *,         5,         2,         *,         *")
    (set_attr "max_prefixed_insns"
                "*,         *,         *,         *,         *,         2,
-                *,
                 2,         2,         2,         2,         *,         *,
                 *,         *,         *,         *,         *")
    (set_attr "length"
                "*,         *,         *,         8,         *,         8,
-                *,
                 8,         8,         8,         8,         *,         *,
                 *,         20,        8,         *,         *")
    (set_attr "isa"
                "<VSisa>,   <VSisa>,   <VSisa>,   *,         *,         *,
-                p10,
                 *,         *,         *,         *,         p9v,       *,
                 <VSisa>,   *,         *,         *,         *")])
 
 ;;              VSX store  VSX load   VSX move   GPR load   GPR store  GPR move
-;;              XXSPLTIDP
 ;;              XXSPLTIB   VSPLTISW   VSX 0/-1   VMX const  GPR const
 ;;              LVX (VMX)  STVX (VMX)
 (define_insn "*vsx_mov<mode>_32bit"
   [(set (match_operand:VSX_M 0 "nonimmediate_operand"
                "=ZwO,      wa,        wa,        ??r,       ??Y,       <??r>,
-                wa,
                 wa,        v,         ?wa,       v,         <??r>,
                 wZ,        v")
 
 	(match_operand:VSX_M 1 "input_operand" 
                "wa,        ZwO,       wa,        Y,         r,         r,
-                eV,
                 wE,        jwM,       ?jwM,      W,         <nW>,
                 v,         wZ"))]
 
@@ -1264,17 +1253,14 @@
 }
   [(set_attr "type"
                "vecstore,  vecload,   vecsimple, load,      store,    *,
-                vecperm,
                 vecsimple, vecsimple, vecsimple, *,         *,
                 vecstore,  vecload")
    (set_attr "length"
                "*,         *,         *,         16,        16,        16,
-                *,
                 *,         *,         *,         20,        16,
                 *,         *")
    (set_attr "isa"
                "<VSisa>,   <VSisa>,   <VSisa>,   *,         *,         *,
-                p10,
                 p9v,       *,         <VSisa>,   *,         *,
                 *,         *")])
 
@@ -6463,53 +6449,15 @@
   DONE;
 })
 
-(define_mode_iterator XXSPLTIDP_S [DI SF DF])
-(define_mode_iterator XXSPLTIDP_V [V2DF V2DI])
-(define_mode_iterator XXSPLTIDP   [DI SF DF V2DF V2DI])
-
-(define_insn "xxspltidp_<mode>_inst"
-  [(set (match_operand:XXSPLTIDP 0 "register_operand" "=wa")
-	(unspec:XXSPLTIDP [(match_operand:SI 1 "c32bit_cint_operand" "n")]
-			  UNSPEC_XXSPLTIDP))]
+(define_insn "xxspltidp_v2df_inst"
+  [(set (match_operand:V2DF 0 "register_operand" "=wa")
+	(unspec:V2DF [(match_operand:SI 1 "c32bit_cint_operand" "n")]
+		     UNSPEC_XXSPLTIDP))]
   "TARGET_POWER10"
   "xxspltidp %x0,%1"
   [(set_attr "type" "vecperm")
    (set_attr "prefixed" "yes")])
 
-;; Generate the XXSPLTIDP instruction to support SFmode, DFmode, and DImode
-;; scalar constants and V2DF and V2DI vector constants where both elements are
-;; the same.  The constant has to be expressible as a SFmode constant that is
-;; not a SFmode denormal value.
-(define_insn_and_split "*xxspltidp_<mode>_internal"
-  [(set (match_operand:XXSPLTIDP_S 0 "vsx_register_operand" "=wa")
-	(match_operand:XXSPLTIDP_S 1 "easy_fp_constant_64bit_scalar" "eF"))]
-  "TARGET_POWER10"
-  "#"
-  "&& 1"
-  [(set (match_dup 0)
-	(unspec:XXSPLTIDP_S [(match_dup 2)] UNSPEC_XXSPLTIDP))]
-{
-  long immediate = xxspltidp_constant_immediate (operands[1], <MODE>mode);
-  operands[2] = GEN_INT (immediate);
-}
- [(set_attr "type" "vecperm")
-  (set_attr "prefixed" "yes")])
-
-(define_insn_and_split "*xxspltidp_<mode>_internal"
-  [(set (match_operand:XXSPLTIDP_V 0 "vsx_register_operand" "=wa")
-	(match_operand:XXSPLTIDP_V 1 "easy_vector_constant_64bit_element" "eV"))]
-  "TARGET_POWER10"
-  "#"
-  "&& 1"
-  [(set (match_dup 0)
-	(unspec:XXSPLTIDP_V [(match_dup 2)] UNSPEC_XXSPLTIDP))]
-{
-  long immediate = xxspltidp_constant_immediate (operands[1], <MODE>mode);
-  operands[2] = GEN_INT (immediate);
-}
- [(set_attr "type" "vecperm")
-  (set_attr "prefixed" "yes")])
-
 ;; XXSPLTI32DX built-in function support
 (define_expand "xxsplti32dx_v4si"
   [(set (match_operand:V4SI 0 "register_operand" "=wa")
diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi
index 5035a3fd604..2b41cb7fb7b 100644
--- a/gcc/doc/md.texi
+++ b/gcc/doc/md.texi
@@ -3333,15 +3333,9 @@ The integer constant zero.
 A constant whose negation is a signed 16-bit constant.
 @end ifset
 
-@item eF
-A 64-bit scalar constant that can be loaded with the XXSPLTIDP instruction.
-
 @item eI
 A signed 34-bit integer constant if prefixed instructions are supported.
 
-@item eV
-A 128-bit vector constant that can be loaded with the XXSPLTIDP instruction.
-
 @ifset INTERNALS
 @item G
 A floating point constant that can be loaded into a register with one
diff --git a/gcc/testsuite/gcc.target/powerpc/pr86731-fwrapv-longlong.c b/gcc/testsuite/gcc.target/powerpc/pr86731-fwrapv-longlong.c
index dcb30e1d886..bd1502bb30a 100644
--- a/gcc/testsuite/gcc.target/powerpc/pr86731-fwrapv-longlong.c
+++ b/gcc/testsuite/gcc.target/powerpc/pr86731-fwrapv-longlong.c
@@ -24,12 +24,11 @@ vector signed long long splats4(void)
         return (vector signed long long) vec_sl(mzero, mzero);
 }
 
-/* Codegen will consist of splat and shift instructions for most types.  If
-   folding is enabled, the vec_sl tests using vector long long type will
-   generate a lvx instead of a vspltisw+vsld pair.  On power10, it will
-   generate a xxspltidp instruction instead of the lvx.  */
+/* Codegen will consist of splat and shift instructions for most types.
+   If folding is enabled, the vec_sl tests using vector long long type will
+   generate a lvx instead of a vspltisw+vsld pair.  */
 
 /* { dg-final { scan-assembler-times {\mvspltis[bhw]\M} 0 } } */
 /* { dg-final { scan-assembler-times {\mvsl[bhwd]\M} 0 } } */
-/* { dg-final { scan-assembler-times {\mp?lxv\M|\mlxv\M|\mlxvd2x\M|\mxxspltidp\M} 2 } } */
+/* { dg-final { scan-assembler-times {\mp?lxv\M|\mlxv\M|\mlxvd2x\M} 2 } } */
 
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-df.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-df.c
deleted file mode 100644
index 8f6e176f9af..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-df.c
+++ /dev/null
@@ -1,60 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2" } */
-
-#include <math.h>
-
-/* Test generating DFmode constants with the ISA 3.1 (power10) XXSPLTIDP
-   instruction.  */
-
-double
-scalar_double_0 (void)
-{
-  return 0.0;			/* XXSPLTIB or XXLXOR.  */
-}
-
-double
-scalar_double_1 (void)
-{
-  return 1.0;			/* XXSPLTIDP.  */
-}
-
-#ifndef __FAST_MATH__
-double
-scalar_double_m0 (void)
-{
-  return -0.0;			/* XXSPLTIDP.  */
-}
-
-double
-scalar_double_nan (void)
-{
-  return __builtin_nan ("");	/* XXSPLTIDP.  */
-}
-
-double
-scalar_double_inf (void)
-{
-  return __builtin_inf ();	/* XXSPLTIDP.  */
-}
-
-double
-scalar_double_m_inf (void)	/* XXSPLTIDP.  */
-{
-  return - __builtin_inf ();
-}
-#endif
-
-double
-scalar_double_pi (void)
-{
-  return M_PI;			/* PLFD.  */
-}
-
-double
-scalar_double_denorm (void)
-{
-  return 0x1p-149f;		/* PLFD.  */
-}
-
-/* { dg-final { scan-assembler-times {\mxxspltidp\M} 5 } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-di.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-di.c
deleted file mode 100644
index 75714d0b11d..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-di.c
+++ /dev/null
@@ -1,70 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2" } */
-
-/* Test generating DImode constants that have the same bit pattern as DFmode
-   constants that can be loaded with the XXSPLTIDP instruction with the ISA 3.1
-   (power10).  We use asm to force the value into vector registers.  */
-
-double
-scalar_0 (void)
-{
-  /* XXSPLTIB or XXLXOR.  */
-  double d;
-  long long ll = 0;
-
-  __asm__ ("xxmr %x0,%x1" : "=wa" (d) : "wa" (ll));
-  return d;
-}
-
-double
-scalar_1 (void)
-{
-  /* VSPLTISW/VUPKLSW or XXSPLTIB/VEXTSB2D.  */
-  double d;
-  long long ll = 1;
-
-  __asm__ ("xxmr %x0,%x1" : "=wa" (d) : "wa" (ll));
-  return d;
-}
-
-/* 0x8000000000000000LL is the bit pattern for -0.0, which can be generated
-   with XXSPLTIDP.  */
-double
-scalar_float_neg_0 (void)
-{
-  /* XXSPLTIDP.  */
-  double d;
-  long long ll = 0x8000000000000000LL;
-
-  __asm__ ("xxmr %x0,%x1" : "=wa" (d) : "wa" (ll));
-  return d;
-}
-
-/* 0x3ff0000000000000LL is the bit pattern for 1.0 which can be generated with
-   XXSPLTIDP.  */
-double
-scalar_float_1_0 (void)
-{
-  /* XXSPLTIDP.  */
-  double d;
-  long long ll = 0x3ff0000000000000LL;
-
-  __asm__ ("xxmr %x0,%x1" : "=wa" (d) : "wa" (ll));
-  return d;
-}
-
-/* 0x400921fb54442d18LL is the bit pattern for PI, which cannot be generated
-   with XXSPLTIDP.  */
-double
-scalar_pi (void)
-{
-  /* PLXV.  */
-  double d;
-  long long ll = 0x400921fb54442d18LL;
-
-  __asm__ ("xxmr %x0,%x1" : "=wa" (d) : "wa" (ll));
-  return d;
-}
-
-/* { dg-final { scan-assembler-times {\mxxspltidp\M} 2 } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-sf.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-sf.c
deleted file mode 100644
index 72504bdfbbd..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-sf.c
+++ /dev/null
@@ -1,60 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2" } */
-
-#include <math.h>
-
-/* Test generating SFmode constants with the ISA 3.1 (power10) XXSPLTIDP
-   instruction.  */
-
-float
-scalar_float_0 (void)
-{
-  return 0.0f;			/* XXSPLTIB or XXLXOR.  */
-}
-
-float
-scalar_float_1 (void)
-{
-  return 1.0f;			/* XXSPLTIDP.  */
-}
-
-#ifndef __FAST_MATH__
-float
-scalar_float_m0 (void)
-{
-  return -0.0f;			/* XXSPLTIDP.  */
-}
-
-float
-scalar_float_nan (void)
-{
-  return __builtin_nanf ("");	/* XXSPLTIDP.  */
-}
-
-float
-scalar_float_inf (void)
-{
-  return __builtin_inff ();	/* XXSPLTIDP.  */
-}
-
-float
-scalar_float_m_inf (void)	/* XXSPLTIDP.  */
-{
-  return - __builtin_inff ();
-}
-#endif
-
-float
-scalar_float_pi (void)
-{
-  return (float)M_PI;		/* XXSPLTIDP.  */
-}
-
-float
-scalar_float_denorm (void)
-{
-  return 0x1p-149f;		/* PLFS.  */
-}
-
-/* { dg-final { scan-assembler-times {\mxxspltidp\M} 6 } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2df.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2df.c
deleted file mode 100644
index 82ffc86f8aa..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2df.c
+++ /dev/null
@@ -1,64 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2" } */
-
-#include <math.h>
-
-/* Test generating V2DFmode constants with the ISA 3.1 (power10) XXSPLTIDP
-   instruction.  */
-
-vector double
-v2df_double_0 (void)
-{
-  return (vector double) { 0.0, 0.0 };			/* XXSPLTIB or XXLXOR.  */
-}
-
-vector double
-v2df_double_1 (void)
-{
-  return (vector double) { 1.0, 1.0 };			/* XXSPLTIDP.  */
-}
-
-#ifndef __FAST_MATH__
-vector double
-v2df_double_m0 (void)
-{
-  return (vector double) { -0.0, -0.0 };		/* XXSPLTIDP.  */
-}
-
-vector double
-v2df_double_nan (void)
-{
-  return (vector double) { __builtin_nan (""),
-			   __builtin_nan ("") };	/* XXSPLTIDP.  */
-}
-
-vector double
-v2df_double_inf (void)
-{
-  return (vector double) { __builtin_inf (),
-			   __builtin_inf () };		/* XXSPLTIDP.  */
-}
-
-vector double
-v2df_double_m_inf (void)
-{
-  return (vector double) { - __builtin_inf (),
-			   - __builtin_inf () };	/* XXSPLTIDP.  */
-}
-#endif
-
-vector double
-v2df_double_pi (void)
-{
-  return (vector double) { M_PI, M_PI };		/* PLVX.  */
-}
-
-vector double
-v2df_double_denorm (void)
-{
-  return (vector double) { (double)0x1p-149f,
-			   (double)0x1p-149f };		/* PLVX.  */
-}
-
-/* { dg-final { scan-assembler-times {\mxxspltidp\M} 5 } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2di.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2di.c
deleted file mode 100644
index 4d44f943d26..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2di.c
+++ /dev/null
@@ -1,50 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2" } */
-
-/* Test generating V2DImode constants that have the same bit pattern as
-   V2DFmode constants that can be loaded with the XXSPLTIDP instruction with
-   the ISA 3.1 (power10).  */
-
-vector long long
-vector_0 (void)
-{
-  /* XXSPLTIB or XXLXOR.  */
-  return (vector long long) { 0LL, 0LL };
-}
-
-vector long long
-vector_1 (void)
-{
-  /* XXSPLTIB and VEXTSB2D.  */
-  return (vector long long) { 1LL, 1LL };
-}
-
-/* 0x8000000000000000LL is the bit pattern for -0.0, which can be generated
-   with XXSPLTISDP.  */
-vector long long
-vector_float_neg_0 (void)
-{
-  /* XXSPLTIDP.  */
-  return (vector long long) { 0x8000000000000000LL, 0x8000000000000000LL };
-}
-
-/* 0x3ff0000000000000LL is the bit pattern for 1.0 which can be generated with
-   XXSPLTISDP.  */
-vector long long
-vector_float_1_0 (void)
-{
-  /* XXSPLTIDP.  */
-  return (vector long long) { 0x3ff0000000000000LL, 0x3ff0000000000000LL };
-}
-
-/* 0x400921fb54442d18LL is the bit pattern for PI, which cannot be generated
-   with XXSPLTIDP.  */
-vector long long
-scalar_pi (void)
-{
-  /* PLXV.  */
-  return (vector long long) { 0x400921fb54442d18LL, 0x400921fb54442d18LL };
-}
-
-/* { dg-final { scan-assembler-times {\mxxspltidp\M} 2 } } */


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [gcc(refs/users/meissner/heads/work070)] Revert patches.
@ 2021-10-05 21:33 Michael Meissner
  0 siblings, 0 replies; 6+ messages in thread
From: Michael Meissner @ 2021-10-05 21:33 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:d7d72285470faa875a443b9a701891608a81d4dc

commit d7d72285470faa875a443b9a701891608a81d4dc
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Tue Oct 5 17:32:07 2021 -0400

    Revert patches.
    
    2021-10-05  Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/
    
            Revert patches.
            * config/rs6000/constraints.md (eW): New constraint.
            * config/rs6000/predicates.md (easy_vector_constant_splat_word):
            New predicate.
            (easy_vector_constant): If we can use XXSPLTIW, the vector
            constant is easy.
            * config/rs6000/rs6000-protos.h (xxspltiw_constant_immediate): New
            declaration.
            * config/rs6000/rs6000.c (xxspltib_constant_p): Don't return true
            if we could generate XXSPLTIW instead of XXSPLTIB and sign
            extend.
            (xxspltiw_constant_immediate): New function.
            (output_vec_const_move): Add support for loading up vector
            constants with XXSPLTIW.
            (prefixed_xxsplti_p): Recognize xxspltiw instructions as
            prefixed.
            * config/rs6000/rs6000.opt (-mxxspltiw): New debug switch.
            * config/rs6000/vsx.md (vsx_mov<mode>_64bit): Add support for
            constants loaded with XXSPLTIW.
            (vsx_mov<mode>_32bit): Likewise.
            * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
            eW constraint.
    
    gcc/testsuite/
    
            Revert patches.
            * gcc.target/powerpc/vec-splat-constant-v16qi.c: New test.
            * gcc.target/powerpc/vec-splat-constant-v4sf.c: New test.
            * gcc.target/powerpc/vec-splat-constant-v4si.c: New test.
            * gcc.target/powerpc/vec-splat-constant-v8hi.c: New test.
            * gcc.target/powerpc/pr86731-fwrapv-longlong.c: Update insn
            regex for power10.
    
    2021-10-05  Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/
    
            Revert patches.
            * config/rs6000/constraints.md (eQ): New constraint.
            * config/rs6000/predicates.md (easy_fp_constant): If we can use
            LXVKQ, it is an easy floating point constant.
            (easy_fp_constant_ieee128): New predicate.
            * config/rs6000/rs6000-protos.h (xxspltidp_constant_immediate):
            New declaration.
            * config/rs6000/rs6000.c (xxspltidp_constant_immediate): New
            function.
            (output_vec_const_move): Add support for LXVKQ.
            (rs6000_output_move_128bit): Likewise.
            * config/rs6000/rs6000.opt (-mlxvkq): New debug option.
            * config/rs6000/vsx.md (vsx_mov<mode>_64bit): Add support for
            LXVKQ.
            (vsx_mov<mode>_32bit): Likewise.
            * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
            eQ constraint.
    
    gcc/testsuite/
    
            Revert patches.
            * gcc.target/powerpc/float128-constant.c: New test.
    
    2021-10-05  Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/
    
            Revert patches.
            * config/rs6000/constraints.md (eF): New constraint.
            (eV): New constraint.
            * config/rs6000/predicates.md (easy_fp_constant): If we can load
            the scalar constant with XXSPLTIDP, the constant is easy.
            (easy_fp_constant_64bit_scalar): New predicate.
            (easy_vector_constant_64bit_element): New predicate.
            (easy_vector_constant): If we can generate XXSPLTIDP, mark the
            vector constant as easy.
            * config/rs6000/rs6000-protos.h (xxspltidp_constant_immediate): New
            declaration.
            (prefixed_xxsplti_p): Likewise.
            * config/rs6000/rs6000.c (xxspltidp_constant_immediate): New function.
            (output_vec_const_move): Add support for XXSPLTIDP.
            (prefixed_xxsplti_p): New function.
            * config/rs6000/rs6000.md (prefixed attribute): Add support for the
            xxsplti* prefixed instructions.
            (movsf_hardfloat): Add XXSPLTIDP support.
            (mov<mode>_hardfloat32, FMOVE64 iterator): Likewise.
            (mov<mode>_hardfloat64, FMOVE64 iterator): Likewise.
            (movdi_internal32): Likewise.
            (movdi_internal64): Likewise.
            * config/rs6000/rs6000.opt (-mxxspltidp): New switch.
            * config/rs6000/vsx.md (vsx_move<mode>_64bit): Add XXSPLTIDP
            support.
            (vsx_move<mode>_32bit): Likewise.
            (XXSPLTIDP_S): New mode iterator.
            (XXSPLTIDP_V): Likewise.
            (XXSPLTIDP): Likewise.
            (xxspltidp_<mode>_inst): Replace xxspltidp_v2df_inst with an
            iterated form that also does SFmode, DFmode, DImode, and
            V2DImode.
            (xxspltidp_<mode>_internal): New insn and splits.
            * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
            eF and eV constraints.
    
    gcc/testsuite/
    
            Revert patches.
            * gcc.target/powerpc/vec-splat-constant-df.c: New test.
            * gcc.target/powerpc/vec-splat-constant-di.c: New test.
            * gcc.target/powerpc/vec-splat-constant-sf.c: New test.
            * gcc.target/powerpc/vec-splat-constant-v2df.c: New test.
            * gcc.target/powerpc/vec-splat-constant-v2di.c: New test.
            * gcc.target/powerpc/pr86731-fwrapv-longlong.c: Update insn
            regex for power10.

Diff:
---
 gcc/config/rs6000/constraints.md                   |  20 --
 gcc/config/rs6000/predicates.md                    | 319 ---------------------
 gcc/config/rs6000/rs6000-protos.h                  |   4 -
 gcc/config/rs6000/rs6000.c                         | 291 -------------------
 gcc/config/rs6000/rs6000.md                        |  58 ++--
 gcc/config/rs6000/rs6000.opt                       |  13 -
 gcc/config/rs6000/vsx.md                           |  60 +---
 gcc/doc/md.texi                                    |  12 -
 .../gcc.target/powerpc/float128-constant.c         | 144 ----------
 .../gcc.target/powerpc/vec-splat-constant-v16qi.c  |  27 --
 .../gcc.target/powerpc/vec-splat-constant-v4sf.c   |  67 -----
 .../gcc.target/powerpc/vec-splat-constant-v4si.c   |  51 ----
 .../gcc.target/powerpc/vec-splat-constant-v8hi.c   |  62 ----
 13 files changed, 22 insertions(+), 1106 deletions(-)

diff --git a/gcc/config/rs6000/constraints.md b/gcc/config/rs6000/constraints.md
index 46daeb0861c..c8cff1a3038 100644
--- a/gcc/config/rs6000/constraints.md
+++ b/gcc/config/rs6000/constraints.md
@@ -208,31 +208,11 @@
   (and (match_code "const_int")
        (match_test "((- (unsigned HOST_WIDE_INT) ival) + 0x8000) < 0x10000")))
 
-;; DI/SF/DF scalar constant that can be loaded with the XXSPLTIDP instruction.
-(define_constraint "eF"
-  "A 64-bit scalar constant that can be loaded with the XXSPLTIDP instruction."
-  (match_operand 0 "easy_fp_constant_64bit_scalar"))
-
 ;; 34-bit signed integer constant
 (define_constraint "eI"
   "A signed 34-bit integer constant if prefixed instructions are supported."
   (match_operand 0 "cint34_operand"))
 
-;; V2DI/V2DF vector constant that can be loaded with the XXSPLTIDP instruction.
-(define_constraint "eV"
-  "A 128-bit vector constant that can be loaded with the XXSPLTIDP instruction."
-  (match_operand 0 "easy_vector_constant_64bit_element"))
-
-;; KF/TF scalar than can be loaded with LXVKQ
-(define_constraint "eQ"
-  "An IEEE 128-bit constant that can be loaded with the LXVKQ instruction."
-  (match_operand 0 "easy_fp_constant_ieee128"))
-
-;; Vector constant that can be loaded with XXSPLTIW
-(define_constraint "eW"
-  "A vector constant that can be loaded with the XXSPLTIW instruction."
-  (match_operand 0 "easy_vector_constant_splat_word"))
-
 ;; Floating-point constraints.  These two are defined so that insn
 ;; length attributes can be calculated exactly.
 
diff --git a/gcc/config/rs6000/predicates.md b/gcc/config/rs6000/predicates.md
index 9b9f5934e58..956e42bc514 100644
--- a/gcc/config/rs6000/predicates.md
+++ b/gcc/config/rs6000/predicates.md
@@ -601,16 +601,6 @@
   if (TARGET_VSX && op == CONST0_RTX (mode))
     return 1;
 
-  /* If we have the ISA 3.1 XXSPLTIDP instruction, see if the constant can
-     be loaded with that instruction.  */
-  if (easy_fp_constant_64bit_scalar (op, mode))
-    return 1;
-
-  /* If we have the ISA 3.1 LXVKQ instruction, see if the constant can be loaded
-     with that instruction.  */
-  if (easy_fp_constant_ieee128 (op, mode))
-    return 1;
-
   /* Otherwise consider floating point constants hard, so that the
      constant gets pushed to memory during the early RTL phases.  This
      has the advantage that double precision constants that can be
@@ -619,236 +609,6 @@
    return 0;
 })
 
-;; Return 1 if the operand is a 64-bit scalar constant that can be loaded via
-;; the XXSPLTIDP instruction, which takes a SFmode value and produces a V2DF or
-;; V2DI mode result that is interpretted as a 64-bit scalar.
-(define_predicate "easy_fp_constant_64bit_scalar"
-  (match_code "const_int,const_double")
-{
-  const REAL_VALUE_TYPE *rv;
-  REAL_VALUE_TYPE rv_type;
-
-  /* Can we do the XXSPLTIDP instruction?  */
-  if (!TARGET_XXSPLTIDP || !TARGET_PREFIXED || !TARGET_VSX)
-    return false;
-
-  if (mode == VOIDmode)
-    mode = GET_MODE (op);
-
-  /* Don't return true for 0.0 or 0 since that is easy to create without
-     XXSPLTIDP.  */
-  if (op == CONST0_RTX (mode))
-    return false;
-
-  /* Handle DImode by creating a DF value from it.  */
-  if (CONST_INT_P (op) && (mode == DImode || mode == VOIDmode))
-    {
-      HOST_WIDE_INT df_value = INTVAL (op);
-
-      /* Avoid values that look like DFmode NaN's.  The IEEE 754 64-bit
-         floating format has 1 bit for sign, 11 bits for the exponent,
-         and 52 bits for the mantissa.  NaN values have the exponent set
-         to all 1 bits, and the mantissa non-zero (mantissa == 0 is
-         infinity).  */
-      int df_exponent = (df_value >> 52) & 0x7ff;
-      HOST_WIDE_INT df_mantissa = df_value & HOST_WIDE_INT_C (0x1fffffffffffff);
-
-      if (df_exponent == 0x7ff && df_mantissa != 0)	/* NaN.  */
-	return false;
-
-      /* Avoid values that are DFmode subnormal values.  Subnormal numbers
-         have the exponent all 0 bits, and the mantissa non-zero.  If the
-         value is subnormal, then the hidden bit in the mantissa is not
-         set.  */
-      if (df_exponent == 0 && df_mantissa != 0)		/* subnormal.  */
-	return false;
-
-      long df_words[2];
-      df_words[0] = (df_value >> 32) & 0xffffffff;
-      df_words[1] = df_value & 0xffffffff;
-
-      /* real_from_target takes the target words in  target order.  */
-      if (!BYTES_BIG_ENDIAN)
-	std::swap (df_words[0], df_words[1]);
-
-      real_from_target (&rv_type, df_words, DFmode);
-      rv = &rv_type;
-    }
-
-  /* Handle SFmode/DFmode constants.  Don't allow decimal or IEEE 128-bit
-     binary constants.  */
-  else if (CONST_DOUBLE_P (op) && (mode == SFmode || mode == DFmode))
-    rv = CONST_DOUBLE_REAL_VALUE (op);
-
-  /* We can't handle anything else with the XXSPLTIDP instruction.  */
-  else
-    return false;  
-
-  /* Validate that the number can be stored as a SFmode value.  */
-  if (!exact_real_truncate (SFmode, rv))
-    return false;
-
-  /* Validate that the number is not a SFmode subnormal value (exponent is 0,
-     mantissa field is non-zero) which is undefined for the XXSPLTIDP
-     instruction.  */
-  long sf_value;
-  real_to_target (&sf_value, rv, SFmode);
-
-  /* IEEE 754 32-bit values have 1 bit for the sign, 8 bits for the exponent,
-     and 23 bits for the mantissa.  Subnormal numbers have the exponent all
-     0 bits, and the mantissa non-zero.  */
-  long sf_exponent = (sf_value >> 23) & 0xFF;
-  long sf_mantissa = sf_value & 0x7FFFFF;
-
-  if (sf_exponent == 0 && sf_mantissa != 0)
-    return false;
-
-  return true;
-})
-
-;; Return 1 if the operand is a 64-bit vector constant that can be loaded via
-;; the XXSPLTIDP instruction, which takes a SFmode value and produces a
-;; V2DFmode or V2DI result.
-;;
-;; We cannot combine the scalar and vector cases because otherwise it is
-;; problematical if we assign an appropriate integer constant to a TImode
-;; value.  I.e.
-;;
-;;	(set (reg:TI 32)
-;;	     (const_int 0x8000000000000000))
-;;
-;; Otherwise, the constant would be splatted into the 2 64-bit positions in the
-;; vector register, and not loaded with the upper 64-bits 0, and the constant
-;; in the lower 64-bits.
-
-(define_predicate "easy_vector_constant_64bit_element"
-  (match_code "const_vector,vec_duplicate")
-{
-  /* Can we do the XXSPLTIDP instruction?  */
-  if (!TARGET_XXSPLTIDP || !TARGET_PREFIXED || !TARGET_VSX)
-    return false;
-
-  if (mode == VOIDmode)
-    mode = GET_MODE (op);
-
-  if (mode != V2DFmode && mode != V2DImode)
-    return false;
-
-  if (CONST_VECTOR_P (op))
-    {
-      if (!CONST_VECTOR_DUPLICATE_P (op))
-	return false;
-
-      op = CONST_VECTOR_ELT (op, 0);
-    }
-
-  else if (GET_CODE (op) == VEC_DUPLICATE)
-    op = XEXP (op, 0);
-
-  else
-    return false;
-
-  return easy_fp_constant_64bit_scalar (op, GET_MODE_INNER (mode));
-})
-
-;; Return 1 if the operand is a constant that can be loaded with the XXSPLTIW
-;; instruction that loads up a 32-bit immediate and splats it into the vector.
-
-(define_predicate "easy_vector_constant_splat_word"
-  (match_code "const_vector")
-{
-  HOST_WIDE_INT value;
-
-  if (!TARGET_PREFIXED || !TARGET_VSX || !TARGET_XXSPLTIW)
-    return false;
-
-  rtx element0 = CONST_VECTOR_ELT (op, 0);
-
-  switch (mode)
-    {
-      /* V4SImode constant vectors that have the same element are can be used
-	 with XXSPLTIW.  */
-    case V4SImode:
-      if (!CONST_VECTOR_DUPLICATE_P (op))
-	return false;
-
-      /* Don't return true if we can use the shorter vspltisw instruction.  */
-      value = INTVAL (element0);
-      return (!EASY_VECTOR_15 (value));
-
-      /* V4SFmode constant vectors that have the same element are
-	 can be used with XXSPLTIW.  */
-    case V4SFmode:
-      if (!CONST_VECTOR_DUPLICATE_P (op))
-	return false;
-
-      /* Don't return true for 0.0f, since that can be created with
-	 xxspltib or xxlxor.  */
-      return (element0 != CONST0_RTX (SFmode));
-
-      /* V8Hmode constant vectors that have the same element are can be used
-	 with XXSPLTIW.  */
-    case V8HImode:
-      if (CONST_VECTOR_DUPLICATE_P (op))
-	{
-	  /* Don't return true if we can use the shorter vspltish instruction.  */
-	  value = INTVAL (element0);
-	  if (EASY_VECTOR_15 (value))
-	    return false;
-
-	  return true;
-	}
-
-      else
-	{
-	  /* Check if all even elements are the same and all odd elements are
-	     the same.  */
-	  rtx element1 = CONST_VECTOR_ELT (op, 1);
-
-	  if (!CONST_INT_P (element1))
-	    return false;
-
-	  for (size_t i = 2; i < GET_MODE_NUNITS (V8HImode); i += 2)
-	    if (!rtx_equal_p (element0, CONST_VECTOR_ELT (op, i))
-		|| !rtx_equal_p (element1, CONST_VECTOR_ELT (op, i + 1)))
-	      return false;
-
-	  return true;
-	}
-
-      /* V16QI constant vectors that have the first four elements identical to
-	 the next set of 4 elements, and so forth can generate XXSPLTIW.  */
-    case V16QImode:
-	{
-	  /* If we can use XXSPLTIB, don't generate XXSPLTIW.  */
-	  if (xxspltib_constant_nosplit (op, mode))
-	    return false;
-
-	  rtx element1 = CONST_VECTOR_ELT (op, 1);
-	  rtx element2 = CONST_VECTOR_ELT (op, 2);
-	  rtx element3 = CONST_VECTOR_ELT (op, 3);
-
-	  if (!CONST_INT_P (element0) || !CONST_INT_P (element1)
-	      || !CONST_INT_P (element2) || !CONST_INT_P (element3))
-	    return false;
-
-	  for (size_t i = 4; i < GET_MODE_NUNITS (V16QImode); i += 4)
-	    if (!rtx_equal_p (element0, CONST_VECTOR_ELT (op, i))
-		|| !rtx_equal_p (element1, CONST_VECTOR_ELT (op, i + 1))
-		|| !rtx_equal_p (element2, CONST_VECTOR_ELT (op, i + 2))
-		|| !rtx_equal_p (element3, CONST_VECTOR_ELT (op, i + 3)))
-	      return false;
-
-	  return true;
-	}
-
-    default:
-      break;
-    }
-
-  return false;
-})
-
 ;; Return 1 if the operand is a constant that can loaded with a XXSPLTIB
 ;; instruction and then a VUPKHSB, VECSB2W or VECSB2D instruction.
 
@@ -880,79 +640,6 @@
   return num_insns == 1;
 })
 
-;; Return 1 if the operand is an IEEE 128-bit special constant that can be
-;; loaded with the LXVKQ instruction.
-(define_predicate "easy_fp_constant_ieee128"
-  (match_code "const_double")
-{
-  if (!TARGET_LXVKQ || !TARGET_POWER10 || !TARGET_VSX || !TARGET_FLOAT128_HW)
-    return false;
-
-  if (mode == VOIDmode)
-    mode = GET_MODE (op);
-
-  if (!FLOAT128_IEEE_P (mode))
-    return false;
-
-  if (!CONST_DOUBLE_P (op))
-    return false;
-
-  /* Special values (+/-infinity, -0.0.  */
-  const struct real_value *rv = CONST_DOUBLE_REAL_VALUE (op);
-  if (real_isinf (rv) || real_isnegzero (rv))
-    return true;
-
-  /* Only recognize the normal NaN.  Do not recognize NaNs with the negative
-     sign, signaling NaNs, or NaNs that have non-zero mantissa.  */
-  if (real_isnan (rv))
-    {
-      long w[4];
-
-      real_to_target (&w[0], rv, mode);
-      return (BYTES_BIG_ENDIAN
-	      ? (w[0] == 0x7fff8000 && w[1] == 0 && w[2] == 0 && w[3] == 0)
-	      : (w[3] == 0x7fff8000 && w[2] == 0 && w[1] == 0 && w[0] == 0));
-    }
-
-  if (real_issignaling_nan (rv))
-    return false;
-
-  /* All of the values generated can be expressed as SFmode values, if it
-     doesn't fit in SFmode, exit.  */
-  if (!exact_real_truncate (SFmode, rv))
-    return false;
-
-  /* The other values are all integers 1..7, and -1..-7.  */
-  if (!real_isinteger (rv, mode))
-    return false;
-
-  HOST_WIDE_INT value = real_to_integer (rv);
-  switch (value)
-    {
-    default:
-      break;
-
-    case 1:
-    case 2:
-    case 3:
-    case 4:
-    case 5:
-    case 6:
-    case 7:
-    case -1:
-    case -2:
-    case -3:
-    case -4:
-    case -5:
-    case -6:
-    case -7:
-      return true;
-    }
-
-  /* We can't load the value with LXVKQ.  */
-  return false;
-})
-
 ;; Return 1 if the operand is a CONST_VECTOR and can be loaded into a
 ;; vector register without using memory.
 (define_predicate "easy_vector_constant"
@@ -966,12 +653,6 @@
       if (zero_constant (op, mode) || all_ones_constant (op, mode))
 	return true;
 
-      if (easy_vector_constant_64bit_element (op, mode))
-	return true;
-
-      if (easy_vector_constant_splat_word (op, mode))
-	return true;
-
       if (TARGET_P9_VECTOR
           && xxspltib_constant_p (op, mode, &num_insns, &value))
 	return true;
diff --git a/gcc/config/rs6000/rs6000-protos.h b/gcc/config/rs6000/rs6000-protos.h
index 540c401e7ad..14f6b313105 100644
--- a/gcc/config/rs6000/rs6000-protos.h
+++ b/gcc/config/rs6000/rs6000-protos.h
@@ -32,9 +32,6 @@ extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, int, int, int,
 
 extern int easy_altivec_constant (rtx, machine_mode);
 extern bool xxspltib_constant_p (rtx, machine_mode, int *, int *);
-extern long xxspltidp_constant_immediate (rtx, machine_mode);
-extern long xxspltiw_constant_immediate (rtx, machine_mode);
-extern int lxvkq_constant_immediate (rtx, machine_mode);
 extern int vspltis_shifted (rtx);
 extern HOST_WIDE_INT const_vector_elt_as_int (rtx, unsigned int);
 extern bool macho_lo_sum_memory_operand (rtx, machine_mode);
@@ -201,7 +198,6 @@ enum non_prefixed_form reg_to_non_prefixed (rtx reg, machine_mode mode);
 extern bool prefixed_load_p (rtx_insn *);
 extern bool prefixed_store_p (rtx_insn *);
 extern bool prefixed_paddi_p (rtx_insn *);
-extern bool prefixed_xxsplti_p (rtx_insn *);
 extern void rs6000_asm_output_opcode (FILE *);
 extern void output_pcrel_opt_reloc (rtx);
 extern void rs6000_final_prescan_insn (rtx_insn *, rtx [], int);
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 1172fb999fc..ad860728169 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -6939,11 +6939,6 @@ xxspltib_constant_p (rtx op,
   else if (IN_RANGE (value, -1, 0))
     *num_insns_ptr = 1;
 
-  /* If we can generate the constant with a single XXSPLTIW don't generate a
-     XXSPLTIB and a sign extend operation.  */
-  else if (easy_vector_constant_splat_word (op, mode))
-    return false;
-
   else
     *num_insns_ptr = 2;
 
@@ -6951,226 +6946,6 @@ xxspltib_constant_p (rtx op,
   return true;
 }
 
-/* Return the immediate value used in the XXSPLTIDP instruction.  */
-
-long
-xxspltidp_constant_immediate (rtx op, machine_mode mode)
-{
-  long ret;
-
-  /* Handle vectors.  */
-  if (CONST_VECTOR_P (op))
-    {
-      op = CONST_VECTOR_ELT (op, 0);
-      mode = GET_MODE_INNER (mode);
-    }
-
-  else if (GET_CODE (op) == VEC_DUPLICATE)
-    {
-      op = XEXP (op, 0);
-      mode = GET_MODE (op);
-    }
-
-  gcc_assert (easy_fp_constant_64bit_scalar (op, mode));
-
-  /* Handle DImode/V2DImode by creating a DF value from it and then converting
-     the DFmode value to SFmode.  */
-  if (CONST_INT_P (op))
-    {
-      HOST_WIDE_INT df_value = INTVAL (op);
-      long df_words[2];
-
-      df_words[0] = (df_value >> 32) & 0xffffffff;
-      df_words[1] = df_value & 0xffffffff;
-
-      /* real_to_target takes input in target endian order.  */
-      if (!BYTES_BIG_ENDIAN)
-	std::swap (df_words[0], df_words[1]);
-
-      REAL_VALUE_TYPE r;
-      real_from_target (&r, &df_words[0], DFmode);
-      real_to_target (&ret, &r, SFmode);
-    }
-
-  /* For floating point constants, convert to SFmode.  */
-  else if (CONST_DOUBLE_P (op) && (mode == SFmode || mode == DFmode))
-    {
-      const REAL_VALUE_TYPE *rv = CONST_DOUBLE_REAL_VALUE (op);
-      real_to_target (&ret, rv, SFmode);
-    }
-
-  else
-    gcc_unreachable ();
-
-  return ret;
-}
-
-/* Return the immediate value used in the XXSPLTIW instruction.  */
-long
-xxspltiw_constant_immediate (rtx op, machine_mode mode)
-{
-  long ret;
-
-  gcc_assert (easy_vector_constant_splat_word (op, mode));
-
-  switch (mode)
-    {
-    default:
-      gcc_unreachable ();
-
-      /* V4SImode constant vectors that have the same element are can be used
-	 with XXSPLTIW.  */
-    case E_V4SImode:
-      gcc_assert (CONST_VECTOR_DUPLICATE_P (op));
-      ret = INTVAL (CONST_VECTOR_ELT (op, 0));
-      break;
-
-      /* V4SFmode constant vectors that have the same element are
-	 can be used with XXSPLTIW.  */
-    case E_V4SFmode:
-      gcc_assert (CONST_VECTOR_DUPLICATE_P (op));
-      ret = rs6000_const_f32_to_i32 (CONST_VECTOR_ELT (op, 0));
-      break;
-
-      /* V8HImode constant vectors with all of the even elements the same and
-	 all of the odd elements the same can used XXSPLTIW.  */
-    case E_V8HImode:
-      {
-	if (!rtx_equal_p (CONST_VECTOR_ELT (op, 0), CONST_VECTOR_ELT (op, 2))
-	    || !rtx_equal_p (CONST_VECTOR_ELT (op, 1), CONST_VECTOR_ELT (op, 3)))
-	  gcc_unreachable ();
-
-	long value0 = INTVAL (CONST_VECTOR_ELT (op, 0)) & 0xffff;
-	long value1 = INTVAL (CONST_VECTOR_ELT (op, 1)) & 0xffff;
-
-	if (!BYTES_BIG_ENDIAN)
-	  std::swap (value0, value1);
-
-	ret = (value0 << 16) | value1;
-      }
-      break;
-
-      /* V16QI constant vectors that have the first four elements identical to
-	 the next set of 4 elements, and so forth can generate XXSPLTIW.  */
-    case E_V16QImode:
-      {
-	rtx op0 = CONST_VECTOR_ELT (op, 0);
-	rtx op1 = CONST_VECTOR_ELT (op, 1);
-	rtx op2 = CONST_VECTOR_ELT (op, 2);
-	rtx op3 = CONST_VECTOR_ELT (op, 3);
-
-	for (size_t i = 4; i < GET_MODE_NUNITS (V16QImode); i += 4)
-	  if (!rtx_equal_p (op0, CONST_VECTOR_ELT (op, i))
-	      || !rtx_equal_p (op1, CONST_VECTOR_ELT (op, i + 1))
-	      || !rtx_equal_p (op2, CONST_VECTOR_ELT (op, i + 2))
-	      || !rtx_equal_p (op3, CONST_VECTOR_ELT (op, i + 3)))
-	    gcc_unreachable ();
-
-	long value0 = INTVAL (op0) & 0xff;
-	long value1 = INTVAL (op1) & 0xff;
-	long value2 = INTVAL (op2) & 0xff;
-	long value3 = INTVAL (op3) & 0xff;
-
-	ret = ((BYTES_BIG_ENDIAN)
-	       ? ((value0 << 24) | (value1 << 16) | (value2 << 8) | value3)
-	       : ((value3 << 24) | (value2 << 16) | (value1 << 8) | value0));
-      }
-      break;
-    }
-
-  return ret;
-}
-
-/* Return the constant that will go in the LXVKQ instruction.  */
-
-/* LXVKQ immediates.  */
-enum {
-  LXVKQ_ONE		= 1,
-  LXVKQ_TWO		= 2,
-  LXVKQ_THREE		= 3,
-  LXVKQ_FOUR		= 4,
-  LXVKQ_FIVE		= 5,
-  LXVKQ_SIX		= 6,
-  LXVKQ_SEVEN		= 7,
-  LXVKQ_INF		= 8,
-  LXVKQ_NAN		= 9,
-  LXVKQ_NEG_ZERO	= 16,
-  LXVKQ_NEG_ONE		= 17,
-  LXVKQ_NEG_TWO		= 18,
-  LXVKQ_NEG_THREE	= 19,
-  LXVKQ_NEG_FOUR	= 20,
-  LXVKQ_NEG_FIVE	= 21,
-  LXVKQ_NEG_SIX		= 22,
-  LXVKQ_NEG_SEVEN	= 23,
-  LXVKQ_NEG_INF		= 24
-};
-
-int
-lxvkq_constant_immediate (rtx op, machine_mode mode)
-{
-  int ret = -1;
-  gcc_assert (easy_fp_constant_ieee128 (op, mode));
-
-  const struct real_value *rv = CONST_DOUBLE_REAL_VALUE (op);
-
-  gcc_assert (!real_issignaling_nan (rv));
-
-  /* Special values (infinity, nan, -0.0.  */
-  if (real_isinf (rv))
-    ret = real_isneg (rv) ? LXVKQ_NEG_INF : LXVKQ_INF;
-
-  /* Only recognize the normal NaN.  Do not recognize NaNs with the negative
-     sign, signaling NaNs, or NaNs that have non-zero mantissa.  */
-  else if (real_isnan (rv))
-    {
-      long w[4];
-
-      real_to_target (&w[0], rv, mode);
-      gcc_assert (BYTES_BIG_ENDIAN
-		  ? (w[0] == 0x7fff8000 && w[1] == 0 && w[2] == 0
-		     && w[3] == 0)
-		  : (w[3] == 0x7fff8000 && w[2] == 0 && w[1] == 0
-		     && w[0] == 0));
-
-      ret = LXVKQ_NAN;
-    }
-
-  else if (real_isnegzero (rv))
-    ret = LXVKQ_NEG_ZERO;
-
-  else
-    {
-      HOST_WIDE_INT value = real_to_integer (rv);
-      switch (value)
-	{
-	default:
-	  gcc_unreachable ();
-
-	case 1:
-	case 2:
-	case 3:
-	case 4:
-	case 5:
-	case 6:
-	case 7:
-	  ret = LXVKQ_ONE + (value - 1);
-	  break;
-
-	case -1:
-	case -2:
-	case -3:
-	case -4:
-	case -5:
-	case -6:
-	case -7:
-	  ret = LXVKQ_NEG_ONE + (-value - 1);
-	  break;
-	}
-    }
-
-  return ret;
-}
-
 const char *
 output_vec_const_move (rtx *operands)
 {
@@ -7215,25 +6990,6 @@ output_vec_const_move (rtx *operands)
 	    gcc_unreachable ();
 	}
 
-      if (easy_fp_constant_64bit_scalar (vec, mode)
-	  || easy_vector_constant_64bit_element (vec, mode))
-	{
-	  operands[2] = GEN_INT (xxspltidp_constant_immediate (vec, mode));
-	  return "xxspltidp %x0,%2";
-	}
-
-      if (easy_vector_constant_splat_word (vec, mode))
-	{
-	  operands[2] = GEN_INT (xxspltiw_constant_immediate (vec, mode));
-	  return "xxspltiw %x0,%2";
-	}
-
-      if (easy_fp_constant_ieee128 (vec, mode))
-	{
-	  operands[2] = GEN_INT (lxvkq_constant_immediate (vec, mode));
-	  return "lxvkq %x0,%2";
-	}
-
       if (TARGET_P9_VECTOR
 	  && xxspltib_constant_p (vec, mode, &num_insns, &xxspltib_value))
 	{
@@ -14076,12 +13832,6 @@ rs6000_output_move_128bit (rtx operands[])
     }
 
   /* Constants.  */
-  else if (dest_vsx_p && easy_fp_constant_ieee128 (src, mode))
-    {
-      operands[2] = GEN_INT (lxvkq_constant_immediate (src, mode));
-      return "lxvkq %x0,%2";
-    }
-
   else if (dest_regno >= 0
 	   && (CONST_INT_P (src)
 	       || CONST_WIDE_INT_P (src)
@@ -26974,47 +26724,6 @@ prefixed_paddi_p (rtx_insn *insn)
   return (iform == INSN_FORM_PCREL_EXTERNAL || iform == INSN_FORM_PCREL_LOCAL);
 }
 
-/* Whether a permute type instruction is a prefixed XXSPLTI* instruction.
-   This is called from the prefixed attribute processing.  */
-
-bool
-prefixed_xxsplti_p (rtx_insn *insn)
-{
-  rtx set = single_set (insn);
-  if (!set)
-    return false;
-
-  rtx dest = SET_DEST (set);
-  rtx src = SET_SRC (set);
-  machine_mode mode = GET_MODE (dest);
-
-  if (!REG_P (dest) && !SUBREG_P (dest))
-    return false;
-
-  switch (mode)
-    {
-    case E_DImode:
-    case E_DFmode:
-    case E_SFmode:
-      return easy_fp_constant_64bit_scalar (src, mode);
-
-    case E_V2DImode:
-    case E_V2DFmode:
-      return easy_vector_constant_64bit_element (src, mode);
-
-    case E_V16QImode:
-    case E_V8HImode:
-    case E_V4SImode:
-    case E_V4SFmode:
-      return easy_vector_constant_splat_word (src, mode);
-
-    default:
-      break;
-    }
-
-  return false;
-}
-
 /* Whether the next instruction needs a 'p' prefix issued before the
    instruction is printed out.  */
 static bool prepend_p_to_next_insn;
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index 8afc4b2756d..6bec2bddbde 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -314,11 +314,6 @@
 
 	 (eq_attr "type" "integer,add")
 	 (if_then_else (match_test "prefixed_paddi_p (insn)")
-		       (const_string "yes")
-		       (const_string "no"))
-
-	 (eq_attr "type" "vecperm")
-	 (if_then_else (match_test "prefixed_xxsplti_p (insn)")
 		       (const_string "yes")
 		       (const_string "no"))]
 
@@ -7764,17 +7759,17 @@
 ;;
 ;;	LWZ          LFS        LXSSP       LXSSPX     STFS       STXSSP
 ;;	STXSSPX      STW        XXLXOR      LI         FMR        XSCPSGNDP
-;;	MR           MT<x>      MF<x>       NOP        XXSPLTIDP
+;;	MR           MT<x>      MF<x>       NOP
 
 (define_insn "movsf_hardfloat"
   [(set (match_operand:SF 0 "nonimmediate_operand"
 	 "=!r,       f,         v,          wa,        m,         wY,
 	  Z,         m,         wa,         !r,        f,         wa,
-	  !r,        *c*l,      !r,         *h,        wa")
+	  !r,        *c*l,      !r,         *h")
 	(match_operand:SF 1 "input_operand"
 	 "m,         m,         wY,         Z,         f,         v,
 	  wa,        r,         j,          j,         f,         wa,
-	  r,         r,         *h,         0,         eF"))]
+	  r,         r,         *h,         0"))]
   "(register_operand (operands[0], SFmode)
    || register_operand (operands[1], SFmode))
    && TARGET_HARD_FLOAT
@@ -7796,16 +7791,15 @@
    mr %0,%1
    mt%0 %1
    mf%1 %0
-   nop
-   #"
+   nop"
   [(set_attr "type"
 	"load,       fpload,    fpload,     fpload,    fpstore,   fpstore,
 	 fpstore,    store,     veclogical, integer,   fpsimple,  fpsimple,
-	 *,          mtjmpr,    mfjmpr,     *,         vecperm")
+	 *,          mtjmpr,    mfjmpr,     *")
    (set_attr "isa"
 	"*,          *,         p9v,        p8v,       *,         p9v,
 	 p8v,        *,         *,          *,         *,         *,
-	 *,          *,         *,          *,         p10")])
+	 *,          *,         *,          *")])
 
 ;;	LWZ          LFIWZX     STW        STFIWX     MTVSRWZ    MFVSRWZ
 ;;	FMR          MR         MT%0       MF%1       NOP
@@ -8065,18 +8059,18 @@
 
 ;;           STFD         LFD         FMR         LXSD        STXSD
 ;;           LXSD         STXSD       XXLOR       XXLXOR      GPR<-0
-;;           LWZ          STW         MR          XXSPLTIDP
+;;           LWZ          STW         MR
 
 
 (define_insn "*mov<mode>_hardfloat32"
   [(set (match_operand:FMOVE64 0 "nonimmediate_operand"
             "=m,          d,          d,          <f64_p9>,   wY,
               <f64_av>,   Z,          <f64_vsx>,  <f64_vsx>,  !r,
-              Y,          r,          !r,         wa")
+              Y,          r,          !r")
 	(match_operand:FMOVE64 1 "input_operand"
              "d,          m,          d,          wY,         <f64_p9>,
               Z,          <f64_av>,   <f64_vsx>,  <zero_fp>,  <zero_fp>,
-              r,          Y,          r,          eF"))]
+              r,          Y,          r"))]
   "! TARGET_POWERPC64 && TARGET_HARD_FLOAT
    && (gpc_reg_operand (operands[0], <MODE>mode)
        || gpc_reg_operand (operands[1], <MODE>mode))"
@@ -8093,21 +8087,20 @@
    #
    #
    #
-   #
    #"
   [(set_attr "type"
             "fpstore,     fpload,     fpsimple,   fpload,     fpstore,
              fpload,      fpstore,    veclogical, veclogical, two,
-             store,       load,       two,        vecperm")
+             store,       load,       two")
    (set_attr "size" "64")
    (set_attr "length"
             "*,           *,          *,          *,          *,
              *,           *,          *,          *,          8,
-             8,           8,          8,          *")
+             8,           8,          8")
    (set_attr "isa"
             "*,           *,          *,          p9v,        p9v,
              p7v,         p7v,        *,          *,          *,
-             *,           *,          *,          p10")])
+             *,           *,          *")])
 
 ;;           STW      LWZ     MR      G-const H-const F-const
 
@@ -8134,19 +8127,19 @@
 ;;           STFD         LFD         FMR         LXSD        STXSD
 ;;           LXSDX        STXSDX      XXLOR       XXLXOR      LI 0
 ;;           STD          LD          MR          MT{CTR,LR}  MF{CTR,LR}
-;;           NOP          MFVSRD      MTVSRD      XXSPLTIDP
+;;           NOP          MFVSRD      MTVSRD
 
 (define_insn "*mov<mode>_hardfloat64"
   [(set (match_operand:FMOVE64 0 "nonimmediate_operand"
            "=m,           d,          d,          <f64_p9>,   wY,
              <f64_av>,    Z,          <f64_vsx>,  <f64_vsx>,  !r,
              YZ,          r,          !r,         *c*l,       !r,
-            *h,           r,          <f64_dm>,   wa")
+            *h,           r,          <f64_dm>")
 	(match_operand:FMOVE64 1 "input_operand"
             "d,           m,          d,          wY,         <f64_p9>,
              Z,           <f64_av>,   <f64_vsx>,  <zero_fp>,  <zero_fp>,
              r,           YZ,         r,          r,          *h,
-             0,           <f64_dm>,   r,          eF"))]
+             0,           <f64_dm>,   r"))]
   "TARGET_POWERPC64 && TARGET_HARD_FLOAT
    && (gpc_reg_operand (operands[0], <MODE>mode)
        || gpc_reg_operand (operands[1], <MODE>mode))"
@@ -8168,19 +8161,18 @@
    mf%1 %0
    nop
    mfvsrd %0,%x1
-   mtvsrd %x0,%1
-   #"
+   mtvsrd %x0,%1"
   [(set_attr "type"
             "fpstore,     fpload,     fpsimple,   fpload,     fpstore,
              fpload,      fpstore,    veclogical, veclogical, integer,
              store,       load,       *,          mtjmpr,     mfjmpr,
-             *,           mfvsr,      mtvsr,      vecperm")
+             *,           mfvsr,      mtvsr")
    (set_attr "size" "64")
    (set_attr "isa"
             "*,           *,          *,          p9v,        p9v,
              p7v,         p7v,        *,          *,          *,
              *,           *,          *,          *,          *,
-             *,           p8v,        p8v,        p10")])
+             *,           p8v,        p8v")])
 
 ;;           STD      LD       MR      MT<SPR> MF<SPR> G-const
 ;;           H-const  F-const  Special
@@ -9228,7 +9220,6 @@
 ;; a gpr into a fpr instead of reloading an invalid 'Y' address
 
 ;;        GPR store  GPR load   GPR move   FPR store  FPR load   FPR move
-;;	  XXSPLTIDP
 ;;        GPR const  AVX store  AVX store  AVX load   AVX load   VSX move
 ;;        P9 0       P9 -1      AVX 0/-1   VSX 0      VSX -1     P9 const
 ;;        AVX const  
@@ -9236,13 +9227,11 @@
 (define_insn "*movdi_internal32"
   [(set (match_operand:DI 0 "nonimmediate_operand"
          "=Y,        r,         r,         m,         ^d,        ^d,
-          ^wa,
           r,         wY,        Z,         ^v,        $v,        ^wa,
           wa,        wa,        v,         wa,        *i,        v,
           v")
 	(match_operand:DI 1 "input_operand"
          "r,         Y,         r,         ^d,        m,         ^d,
-          eF,
           IJKnF,     ^v,        $v,        wY,        Z,         ^wa,
           Oj,        wM,        OjwM,      Oj,        wM,        wS,
           wB"))]
@@ -9257,7 +9246,6 @@
    lfd%U1%X1 %0,%1
    fmr %0,%1
    #
-   #
    stxsd %1,%0
    stxsdx %x1,%y0
    lxsd %0,%1
@@ -9272,20 +9260,17 @@
    #"
   [(set_attr "type"
          "store,     load,      *,         fpstore,   fpload,    fpsimple,
-          vecperm,
           *,         fpstore,   fpstore,   fpload,    fpload,    veclogical,
           vecsimple, vecsimple, vecsimple, veclogical,veclogical,vecsimple,
           vecsimple")
    (set_attr "size" "64")
    (set_attr "length"
          "8,         8,         8,         *,         *,         *,
-          *,
           16,        *,         *,         *,         *,         *,
           *,         *,         *,         *,         *,         8,
           *")
    (set_attr "isa"
          "*,         *,         *,         *,         *,         *,
-          p10,
           *,         p9v,       p7v,       p9v,       p7v,       *,
           p9v,       p9v,       p7v,       *,         *,         p7v,
           p7v")])
@@ -9321,7 +9306,6 @@
 })
 
 ;;	   GPR store   GPR load    GPR move
-;;	   XXSPLTIDP
 ;;	   GPR li      GPR lis     GPR pli     GPR #
 ;;	   FPR store   FPR load    FPR move
 ;;	   AVX store   AVX store   AVX load    AVX load    VSX move
@@ -9332,7 +9316,6 @@
 (define_insn "*movdi_internal64"
   [(set (match_operand:DI 0 "nonimmediate_operand"
 	  "=YZ,        r,          r,
-	   ^wa,
 	   r,          r,          r,          r,
 	   m,          ^d,         ^d,
 	   wY,         Z,          $v,         $v,         ^wa,
@@ -9342,7 +9325,6 @@
 	   ?r,         ?wa")
 	(match_operand:DI 1 "input_operand"
 	  "r,          YZ,         r,
-	   eF,
 	   I,          L,          eI,         nF,
 	   ^d,         m,          ^d,
 	   ^v,         $v,         wY,         Z,          ^wa,
@@ -9357,7 +9339,6 @@
    std%U0%X0 %1,%0
    ld%U1%X1 %0,%1
    mr %0,%1
-   #
    li %0,%1
    lis %0,%v1
    li %0,%1
@@ -9384,7 +9365,6 @@
    mtvsrd %x0,%1"
   [(set_attr "type"
 	  "store,      load,       *,
-	   vecperm,
 	   *,          *,          *,          *,
 	   fpstore,    fpload,     fpsimple,
 	   fpstore,    fpstore,    fpload,     fpload,     veclogical,
@@ -9395,7 +9375,6 @@
    (set_attr "size" "64")
    (set_attr "length"
 	  "*,          *,          *,
-	   *,
 	   *,          *,          *,          20,
 	   *,          *,          *,
 	   *,          *,          *,          *,          *,
@@ -9405,7 +9384,6 @@
 	   *,          *")
    (set_attr "isa"
 	  "*,          *,          *,
-	   p10,
 	   *,          *,          p10,        *,
 	   *,          *,          *,
 	   p9v,        p7v,        p9v,        p7v,        *,
diff --git a/gcc/config/rs6000/rs6000.opt b/gcc/config/rs6000/rs6000.opt
index a53aad72547..9d7878f144a 100644
--- a/gcc/config/rs6000/rs6000.opt
+++ b/gcc/config/rs6000/rs6000.opt
@@ -640,19 +640,6 @@ mprivileged
 Target Var(rs6000_privileged) Init(0)
 Generate code that will run in privileged state.
 
-mxxspltidp
-Target Undocumented Var(TARGET_XXSPLTIDP) Init(1) Save
-Generate (do not generate) XXSPLTIDP instructions.
-
-;; Do not enable at this time.
-mxxspltiw
-Target Undocumented Var(TARGET_XXSPLTIW) Init(0) Save
-Generate (do not generate) XXSPLTIW instructions.
-
-mlxvkq
-Target Undocumented Var(TARGET_LXVKQ) Init(1) Save
-Generate (do not generate) LXVKQ instructions.
-
 -param=rs6000-density-pct-threshold=
 Target Undocumented Joined UInteger Var(rs6000_density_pct_threshold) Init(85) IntegerRange(0, 100) Param
 When costing for loop vectorization, we probably need to penalize the loop body
diff --git a/gcc/config/rs6000/vsx.md b/gcc/config/rs6000/vsx.md
index 712e5df0c02..bf033e31c1c 100644
--- a/gcc/config/rs6000/vsx.md
+++ b/gcc/config/rs6000/vsx.md
@@ -1191,19 +1191,16 @@
 ;; instruction). But generate XXLXOR/XXLORC if it will avoid a register move.
 
 ;;              VSX store  VSX load   VSX move  VSX->GPR   GPR->VSX    LQ (GPR)
-;;              XXSPLTIDP  XXSPLTIW   LXVKQ
 ;;              STQ (GPR)  GPR load   GPR store GPR move   XXSPLTIB    VSPLTISW
 ;;              VSX 0/-1   VMX const  GPR const LVX (VMX)  STVX (VMX)
 (define_insn "vsx_mov<mode>_64bit"
   [(set (match_operand:VSX_M 0 "nonimmediate_operand"
                "=ZwO,      wa,        wa,        r,         we,        ?wQ,
-                wa,        wa,        wa,
                 ?&r,       ??r,       ??Y,       <??r>,     wa,        v,
                 ?wa,       v,         <??r>,     wZ,        v")
 
 	(match_operand:VSX_M 1 "input_operand" 
                "wa,        ZwO,       wa,        we,        r,         r,
-                eV,        eW,        eQ,
                 wQ,        Y,         r,         r,         wE,        jwM,
                 ?jwM,      W,         <nW>,      v,         wZ"))]
 
@@ -1215,44 +1212,36 @@
 }
   [(set_attr "type"
                "vecstore,  vecload,   vecsimple, mtvsr,     mfvsr,     load,
-                vecperm,   vecperm,   vecperm,
                 store,     load,      store,     *,         vecsimple, vecsimple,
                 vecsimple, *,         *,         vecstore,  vecload")
    (set_attr "num_insns"
                "*,         *,         *,         2,         *,         2,
-                *,         *,         *,
                 2,         2,         2,         2,         *,         *,
                 *,         5,         2,         *,         *")
    (set_attr "max_prefixed_insns"
                "*,         *,         *,         *,         *,         2,
-                *,         *,         *,
                 2,         2,         2,         2,         *,         *,
                 *,         *,         *,         *,         *")
    (set_attr "length"
                "*,         *,         *,         8,         *,         8,
-                *,         *,         *,
                 8,         8,         8,         8,         *,         *,
                 *,         20,        8,         *,         *")
    (set_attr "isa"
                "<VSisa>,   <VSisa>,   <VSisa>,   *,         *,         *,
-                p10,       p10,       p10,
                 *,         *,         *,         *,         p9v,       *,
                 <VSisa>,   *,         *,         *,         *")])
 
 ;;              VSX store  VSX load   VSX move   GPR load   GPR store  GPR move
-;;              XXSPLTIDP  XXSPLTIW   LXVKQ
 ;;              XXSPLTIB   VSPLTISW   VSX 0/-1   VMX const  GPR const
 ;;              LVX (VMX)  STVX (VMX)
 (define_insn "*vsx_mov<mode>_32bit"
   [(set (match_operand:VSX_M 0 "nonimmediate_operand"
                "=ZwO,      wa,        wa,        ??r,       ??Y,       <??r>,
-                wa,        wa,        wa,
                 wa,        v,         ?wa,       v,         <??r>,
                 wZ,        v")
 
 	(match_operand:VSX_M 1 "input_operand" 
                "wa,        ZwO,       wa,        Y,         r,         r,
-                eV,        eW,        eQ,
                 wE,        jwM,       ?jwM,      W,         <nW>,
                 v,         wZ"))]
 
@@ -1264,17 +1253,14 @@
 }
   [(set_attr "type"
                "vecstore,  vecload,   vecsimple, load,      store,    *,
-                vecperm,   vecperm,   vecperm,
                 vecsimple, vecsimple, vecsimple, *,         *,
                 vecstore,  vecload")
    (set_attr "length"
                "*,         *,         *,         16,        16,        16,
-                *,         *,         *,
                 *,         *,         *,         20,        16,
                 *,         *")
    (set_attr "isa"
                "<VSisa>,   <VSisa>,   <VSisa>,   *,         *,         *,
-                p10,       p10,       p10,
                 p9v,       *,         <VSisa>,   *,         *,
                 *,         *")])
 
@@ -6463,53 +6449,15 @@
   DONE;
 })
 
-(define_mode_iterator XXSPLTIDP_S [DI SF DF])
-(define_mode_iterator XXSPLTIDP_V [V2DF V2DI])
-(define_mode_iterator XXSPLTIDP   [DI SF DF V2DF V2DI])
-
-(define_insn "xxspltidp_<mode>_inst"
-  [(set (match_operand:XXSPLTIDP 0 "register_operand" "=wa")
-	(unspec:XXSPLTIDP [(match_operand:SI 1 "c32bit_cint_operand" "n")]
-			  UNSPEC_XXSPLTIDP))]
+(define_insn "xxspltidp_v2df_inst"
+  [(set (match_operand:V2DF 0 "register_operand" "=wa")
+	(unspec:V2DF [(match_operand:SI 1 "c32bit_cint_operand" "n")]
+		     UNSPEC_XXSPLTIDP))]
   "TARGET_POWER10"
   "xxspltidp %x0,%1"
   [(set_attr "type" "vecperm")
    (set_attr "prefixed" "yes")])
 
-;; Generate the XXSPLTIDP instruction to support SFmode, DFmode, and DImode
-;; scalar constants and V2DF and V2DI vector constants where both elements are
-;; the same.  The constant has to be expressible as a SFmode constant that is
-;; not a SFmode denormal value.
-(define_insn_and_split "*xxspltidp_<mode>_internal"
-  [(set (match_operand:XXSPLTIDP_S 0 "vsx_register_operand" "=wa")
-	(match_operand:XXSPLTIDP_S 1 "easy_fp_constant_64bit_scalar" "eF"))]
-  "TARGET_POWER10"
-  "#"
-  "&& 1"
-  [(set (match_dup 0)
-	(unspec:XXSPLTIDP_S [(match_dup 2)] UNSPEC_XXSPLTIDP))]
-{
-  long immediate = xxspltidp_constant_immediate (operands[1], <MODE>mode);
-  operands[2] = GEN_INT (immediate);
-}
- [(set_attr "type" "vecperm")
-  (set_attr "prefixed" "yes")])
-
-(define_insn_and_split "*xxspltidp_<mode>_internal"
-  [(set (match_operand:XXSPLTIDP_V 0 "vsx_register_operand" "=wa")
-	(match_operand:XXSPLTIDP_V 1 "easy_vector_constant_64bit_element" "eV"))]
-  "TARGET_POWER10"
-  "#"
-  "&& 1"
-  [(set (match_dup 0)
-	(unspec:XXSPLTIDP_V [(match_dup 2)] UNSPEC_XXSPLTIDP))]
-{
-  long immediate = xxspltidp_constant_immediate (operands[1], <MODE>mode);
-  operands[2] = GEN_INT (immediate);
-}
- [(set_attr "type" "vecperm")
-  (set_attr "prefixed" "yes")])
-
 ;; XXSPLTI32DX built-in function support
 (define_expand "xxsplti32dx_v4si"
   [(set (match_operand:V4SI 0 "register_operand" "=wa")
diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi
index 4ad0e745c94..2b41cb7fb7b 100644
--- a/gcc/doc/md.texi
+++ b/gcc/doc/md.texi
@@ -3333,21 +3333,9 @@ The integer constant zero.
 A constant whose negation is a signed 16-bit constant.
 @end ifset
 
-@item eF
-A 64-bit scalar constant that can be loaded with the XXSPLTIDP instruction.
-
 @item eI
 A signed 34-bit integer constant if prefixed instructions are supported.
 
-@item eQ
-An IEEE 128-bit constant that can be loaded with the LXVKQ instruction.
-
-@item eV
-A 128-bit vector constant that can be loaded with the XXSPLTIDP instruction.
-
-@item eW
-A vector constant that can be loaded with the XXSPLTIW instruction.
-
 @ifset INTERNALS
 @item G
 A floating point constant that can be loaded into a register with one
diff --git a/gcc/testsuite/gcc.target/powerpc/float128-constant.c b/gcc/testsuite/gcc.target/powerpc/float128-constant.c
deleted file mode 100644
index 23ee7e85d84..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/float128-constant.c
+++ /dev/null
@@ -1,144 +0,0 @@
-/* { dg-require-effective-target ppc_float128_hw } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -mlxvkq -O2" } */
-
-/* Test whether the LXVKQ instruction is generated to load special IEEE 128-bit
-   constants.  */
-
-_Float128
-return_0 (void)
-{
-  return 0.0f128;			/* XXSPLTIB 34,0.  */
-}
-
-_Float128
-return_1 (void)
-{
-  return 1.0f128;			/* LXVKQ 34,1.  */
-}
-
-_Float128
-return_2 (void)
-{
-  return 2.0f128;			/* LXVKQ 34,2.  */
-}
-
-_Float128
-return_3 (void)
-{
-  return 3.0f128;			/* LXVKQ 34,3.  */
-}
-
-_Float128
-return_4 (void)
-{
-  return 4.0f128;			/* LXVKQ 34,4.  */
-}
-
-_Float128
-return_5 (void)
-{
-  return 5.0f128;			/* LXVKQ 34,5.  */
-}
-
-_Float128
-return_6 (void)
-{
-  return 6.0f128;			/* LXVKQ 34,6.  */
-}
-
-_Float128
-return_7 (void)
-{
-  return 7.0f128;			/* LXVKQ 34,7.  */
-}
-
-_Float128
-return_m0 (void)
-{
-  return -0.0f128;			/* LXVKQ 34,16.  */
-}
-
-_Float128
-return_m1 (void)
-{
-  return -1.0f128;			/* LXVKQ 34,17.  */
-}
-
-_Float128
-return_m2 (void)
-{
-  return -2.0f128;			/* LXVKQ 34,18.  */
-}
-
-_Float128
-return_m3 (void)
-{
-  return -3.0f128;			/* LXVKQ 34,19.  */
-}
-
-_Float128
-return_m4 (void)
-{
-  return -4.0f128;			/* LXVKQ 34,20.  */
-}
-
-_Float128
-return_m5 (void)
-{
-  return -5.0f128;			/* LXVKQ 34,21.  */
-}
-
-_Float128
-return_m6 (void)
-{
-  return -6.0f128;			/* LXVKQ 34,22.  */
-}
-
-_Float128
-return_m7 (void)
-{
-  return -7.0f128;			/* LXVKQ 34,23.  */
-}
-
-_Float128
-return_inf (void)
-{
-  return __builtin_inff128 ();		/* LXVKQ 34,8.  */
-}
-
-_Float128
-return_minf (void)
-{
-  return - __builtin_inff128 ();	/* LXVKQ 34,24.  */
-}
-
-_Float128
-return_nan (void)
-{
-  return __builtin_nanf128 ("");	/* LXVKQ 34,9.  */
-}
-
-/* Note, the following NaNs should not generate a LXVKQ instruction.  */
-_Float128
-return_mnan (void)
-{
-  return - __builtin_nanf128 ("");	/* PLXV 34,... */
-}
-
-_Float128
-return_nan2 (void)
-{
-  return __builtin_nanf128 ("1");	/* PLXV 34,... */
-}
-
-_Float128
-return_nans (void)
-{
-  return __builtin_nansf128 ("");	/* PLXV 34,... */
-}
-
-/* { dg-final { scan-assembler-times {\mlxvkq\M}    18 } } */
-/* { dg-final { scan-assembler-times {\mplxv\M}      3 } } */
-/* { dg-final { scan-assembler-times {\mxxspltib\M}  1 } } */
-
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v16qi.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v16qi.c
deleted file mode 100644
index 2707d86e6fd..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v16qi.c
+++ /dev/null
@@ -1,27 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2 -mxxspltiw" } */
-
-#include <altivec.h>
-
-/* Test whether XXSPLTIW is generated for V16HI vector constants where the
-   first 4 elements are the same as the next 4 elements, etc.  */
-
-vector unsigned char
-v16qi_const_1 (void)
-{
-  return (vector unsigned char) { 1, 1, 1, 1, 1, 1, 1, 1,
-				  1, 1, 1, 1, 1, 1, 1, 1, }; /* VSLTPISB.  */
-}
-
-vector unsigned char
-v16qi_const_2 (void)
-{
-  return (vector unsigned char) { 1, 2, 3, 4, 1, 2, 3, 4,
-				  1, 2, 3, 4, 1, 2, 3, 4, }; /* XXSPLTIW.  */
-}
-
-/* { dg-final { scan-assembler-times {\mxxspltiw\M}              1 } } */
-/* { dg-final { scan-assembler-times {\mvspltisb\M|\mxxspltib\M} 1 } } */
-/* { dg-final { scan-assembler-not   {\mlxvx?\M}                   } } */
-/* { dg-final { scan-assembler-not   {\mplxv\M}                    } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v4sf.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v4sf.c
deleted file mode 100644
index 05d4ee3f5cb..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v4sf.c
+++ /dev/null
@@ -1,67 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2 -mxxspltiw" } */
-
-#include <altivec.h>
-
-/* Test whether XXSPLTIW is generated for V4SF vector constants.  */
-
-vector float
-v4sf_const_1 (void)
-{
-  return (vector float) { 1.0f, 1.0f, 1.0f, 1.0f };	/* XXSPLTIW.  */
-}
-
-vector float
-v4sf_const_nan (void)
-{
-  return (vector float) { __builtin_nanf (""),
-			  __builtin_nanf (""),
-			  __builtin_nanf (""),
-			  __builtin_nanf ("") };	/* XXSPLTIW.  */
-}
-
-vector float
-v4sf_const_inf (void)
-{
-  return (vector float) { __builtin_inff (),
-			  __builtin_inff (),
-			  __builtin_inff (),
-			  __builtin_inff () };		/* XXSPLTIW.  */
-}
-
-vector float
-v4sf_const_m0 (void)
-{
-  return (vector float) { -0.0f, -0.0f, -0.0f, -0.0f };	/* XXSPLTIB/VSLW.  */
-}
-
-vector float
-v4sf_splats_1 (void)
-{
-  return vec_splats (1.0f);				/* XXSPLTIW.  */
-}
-
-vector float
-v4sf_splats_nan (void)
-{
-  return vec_splats (__builtin_nanf (""));		/* XXSPLTIW.  */
-}
-
-vector float
-v4sf_splats_inf (void)
-{
-  return vec_splats (__builtin_inff ());		/* XXSPLTIW.  */
-}
-
-vector float
-v8hi_splats_m0 (void)
-{
-  return vec_splats (-0.0f);				/* XXSPLTIB/VSLW.  */
-}
-
-/* { dg-final { scan-assembler-times {\mxxspltiw\M} 6 } } */
-/* { dg-final { scan-assembler-times {\mxxspltib\M} 2 } } */
-/* { dg-final { scan-assembler-times {\mvslw\M}     2 } } */
-/* { dg-final { scan-assembler-not   {\mlxvx?\M}      } } */
-/* { dg-final { scan-assembler-not   {\mplxv\M}       } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v4si.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v4si.c
deleted file mode 100644
index da909e948b2..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v4si.c
+++ /dev/null
@@ -1,51 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2 -mxxspltiw" } */
-
-#include <altivec.h>
-
-/* Test whether XXSPLTIW is generated for V4SI vector constants.  We make sure
-   the power9 support (XXSPLTIB/VEXTSB2W) is not done.  */
-
-vector int
-v4si_const_1 (void)
-{
-  return (vector int) { 1, 1, 1, 1 };			/* VSLTPISW.  */
-}
-
-vector int
-v4si_const_126 (void)
-{
-  return (vector int) { 126, 126, 126, 126 };		/* XXSPLTIW.  */
-}
-
-vector int
-v4si_const_1023 (void)
-{
-  return (vector int) { 1023, 1023, 1023, 1023 };	/* XXSPLTIW.  */
-}
-
-vector int
-v4si_splats_1 (void)
-{
-  return vec_splats (1);				/* VSLTPISW.  */
-}
-
-vector int
-v4si_splats_126 (void)
-{
-  return vec_splats (126);				/* XXSPLTIW.  */
-}
-
-vector int
-v8hi_splats_1023 (void)
-{
-  return vec_splats (1023);				/* XXSPLTIW.  */
-}
-
-/* { dg-final { scan-assembler-times {\mxxspltiw\M}  4 } } */
-/* { dg-final { scan-assembler-times {\mvspltisw\M}  2 } } */
-/* { dg-final { scan-assembler-not   {\mxxspltib\M}    } } */
-/* { dg-final { scan-assembler-not   {\mvextsb2w\M}    } } */
-/* { dg-final { scan-assembler-not   {\mlxvx?\M}       } } */
-/* { dg-final { scan-assembler-not   {\mplxv\M}        } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v8hi.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v8hi.c
deleted file mode 100644
index 290e05d4a64..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v8hi.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2 -mxxspltiw" } */
-
-#include <altivec.h>
-
-/* Test whether XXSPLTIW is generated for V8HI vector constants.  We make sure
-   the power9 support (XXSPLTIB/VUPKLSB) is not done.  */
-
-vector short
-v8hi_const_1 (void)
-{
-  return (vector short) { 1, 1, 1, 1, 1, 1, 1, 1 };	/* VSLTPISH.  */
-}
-
-vector short
-v8hi_const_126 (void)
-{
-  return (vector short) { 126, 126, 126, 126,
-			  126, 126, 126, 126 };		/* XXSPLTIW.  */
-}
-
-vector short
-v8hi_const_1023 (void)
-{
-  return (vector short) { 1023, 1023, 1023, 1023,
-			  1023, 1023, 1023, 1023 };	/* XXSPLTIW.  */
-}
-
-vector short
-v8hi_splats_1 (void)
-{
-  return vec_splats ((short)1);				/* VSLTPISH.  */
-}
-
-vector short
-v8hi_splats_126 (void)
-{
-  return vec_splats ((short)126);			/* XXSPLTIW.  */
-}
-
-vector short
-v8hi_splats_1023 (void)
-{
-  return vec_splats ((short)1023);			/* XXSPLTIW.  */
-}
-
-/* Test that we can optimiza V8HI where all of the even elements are the same
-   and all of the odd elements are the same.  */
-vector short
-v8hi_const_1023_1000 (void)
-{
-  return (vector short) { 1023, 1000, 1023, 1000,
-			  1023, 1000, 1023, 1000 };	/* XXSPLTIW.  */
-}
-
-/* { dg-final { scan-assembler-times {\mxxspltiw\M}  5 } } */
-/* { dg-final { scan-assembler-times {\mvspltish\M}  2 } } */
-/* { dg-final { scan-assembler-not   {\mxxspltib\M}    } } */
-/* { dg-final { scan-assembler-not   {\mvupklsb\M}     } } */
-/* { dg-final { scan-assembler-not   {\mlxvx?\M}       } } */
-/* { dg-final { scan-assembler-not   {\mplxv\M}        } } */


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [gcc(refs/users/meissner/heads/work070)] Revert patches.
@ 2021-10-05 21:20 Michael Meissner
  0 siblings, 0 replies; 6+ messages in thread
From: Michael Meissner @ 2021-10-05 21:20 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:726e0ed6aaa678b2410b1ea6c34a5bff75e296c0

commit 726e0ed6aaa678b2410b1ea6c34a5bff75e296c0
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Tue Oct 5 17:18:09 2021 -0400

    Revert patches.
    
    2021-10-05  Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/testsuite/
    
            Revert patches.
            * gcc.target/powerpc/vec-splat-constant-v2di-2.c: New test.
    
    2021-10-05  Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/testsuite/
    
            Revert patches.
            * gcc.target/powerpc/vec-splat-constant-df-2.c: New test.
            * gcc.target/powerpc/vec-splat-constant-di-2.c: New test.
            * gcc.target/powerpc/vec-splat-constant-v2df-2.c: New test.
            * gcc.target/powerpc/vec-splat-constant-v2di-2.c: New test.
    
    2021-10-05  Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/testsuite/
    
            Revert patches.
            * gcc.target/powerpc/vec-splat-constant-v16qi.c: New test.
            * gcc.target/powerpc/vec-splat-constant-v4sf.c: New test.
            * gcc.target/powerpc/vec-splat-constant-v4si.c: New test.
            * gcc.target/powerpc/vec-splat-constant-v8hi.c: New test.

Diff:
---
 .../gcc.target/powerpc/vec-splat-constant-df-2.c   | 24 --------
 .../gcc.target/powerpc/vec-splat-constant-df.c     | 60 -------------------
 .../gcc.target/powerpc/vec-splat-constant-di-2.c   | 38 ------------
 .../gcc.target/powerpc/vec-splat-constant-di.c     | 70 ----------------------
 .../gcc.target/powerpc/vec-splat-constant-sf.c     | 60 -------------------
 .../gcc.target/powerpc/vec-splat-constant-v16qi.c  | 27 ---------
 .../gcc.target/powerpc/vec-splat-constant-v2df-2.c | 24 --------
 .../gcc.target/powerpc/vec-splat-constant-v2df.c   | 64 --------------------
 .../gcc.target/powerpc/vec-splat-constant-v2di-2.c | 29 ---------
 .../gcc.target/powerpc/vec-splat-constant-v2di.c   | 50 ----------------
 .../gcc.target/powerpc/vec-splat-constant-v4sf.c   | 67 ---------------------
 .../gcc.target/powerpc/vec-splat-constant-v4si.c   | 51 ----------------
 .../gcc.target/powerpc/vec-splat-constant-v8hi.c   | 62 -------------------
 13 files changed, 626 deletions(-)

diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-df-2.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-df-2.c
deleted file mode 100644
index 3b4b4e01d1b..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-df-2.c
+++ /dev/null
@@ -1,24 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2 -mxxsplti32dx -mxxspltiw" } */
-
-#define M_PI		3.14159265358979323846
-#define SUBNORMAL	0x1p-149f
-
-/* Test generation of floating point constants with XXSPLTI32DX.  */
-
-double
-df_double_pi (void)
-{
-  return M_PI;			/* 2x XXSPLTI32DX.  */
-}
-
-/* This float subnormal cannot be loaded with XXSPLTIDP.  */
-
-double
-v2df_double_denorm (void)
-{
-  return SUBNORMAL;		/* XXLXOR, XXSPLTI32DX.  */
-}
-
-/* { dg-final { scan-assembler-times {\mxxsplti32dx\M} 3 } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-df.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-df.c
deleted file mode 100644
index 8f6e176f9af..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-df.c
+++ /dev/null
@@ -1,60 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2" } */
-
-#include <math.h>
-
-/* Test generating DFmode constants with the ISA 3.1 (power10) XXSPLTIDP
-   instruction.  */
-
-double
-scalar_double_0 (void)
-{
-  return 0.0;			/* XXSPLTIB or XXLXOR.  */
-}
-
-double
-scalar_double_1 (void)
-{
-  return 1.0;			/* XXSPLTIDP.  */
-}
-
-#ifndef __FAST_MATH__
-double
-scalar_double_m0 (void)
-{
-  return -0.0;			/* XXSPLTIDP.  */
-}
-
-double
-scalar_double_nan (void)
-{
-  return __builtin_nan ("");	/* XXSPLTIDP.  */
-}
-
-double
-scalar_double_inf (void)
-{
-  return __builtin_inf ();	/* XXSPLTIDP.  */
-}
-
-double
-scalar_double_m_inf (void)	/* XXSPLTIDP.  */
-{
-  return - __builtin_inf ();
-}
-#endif
-
-double
-scalar_double_pi (void)
-{
-  return M_PI;			/* PLFD.  */
-}
-
-double
-scalar_double_denorm (void)
-{
-  return 0x1p-149f;		/* PLFD.  */
-}
-
-/* { dg-final { scan-assembler-times {\mxxspltidp\M} 5 } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-di-2.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-di-2.c
deleted file mode 100644
index 30ad33388e8..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-di-2.c
+++ /dev/null
@@ -1,38 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2 -mxxsplti32dx -mxxspltiw" } */
-
-/* Test generation of integer constants loaded into the vector registers with
-   the ISA 3.1 (power10) instruction XXSPLTI32DX.  We use asm to force the
-   value into vector registers.  */
-
-#define LARGE_BITS	0x12345678ABCDEF01LL
-#define SUBNORMAL	0x8000000000000001LL
-
-/* 0x8000000000000001LL is the bit pattern for a negative subnormal value can
-   be generated with XXSPLTI32DX but not XXSLTIDP.  */
-double
-scalar_float_subnormal (void)
-{
-  /* 2x XXSPLTI32DX.  */
-  double d;
-  long long ll = SUBNORMAL;
-
-  __asm__ ("xxmr %x0,%x1" : "=wa" (d) : "wa" (ll));
-  return d;
-}
-
-/* 0x12345678ABCDEF01LL is a large constant that can be loaded with 2x
-   XXSPLTI32DX instructions.  */
-double
-scalar_large_constant (void)
-{
-  /* 2x XXSPLTI32DX.  */
-  double d;
-  long long ll = LARGE_BITS;
-
-  __asm__ ("xxmr %x0,%x1" : "=wa" (d) : "wa" (ll));
-  return d;
-}
-
-/* { dg-final { scan-assembler-times {\mxxsplti32dx\M} 4 } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-di.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-di.c
deleted file mode 100644
index 75714d0b11d..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-di.c
+++ /dev/null
@@ -1,70 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2" } */
-
-/* Test generating DImode constants that have the same bit pattern as DFmode
-   constants that can be loaded with the XXSPLTIDP instruction with the ISA 3.1
-   (power10).  We use asm to force the value into vector registers.  */
-
-double
-scalar_0 (void)
-{
-  /* XXSPLTIB or XXLXOR.  */
-  double d;
-  long long ll = 0;
-
-  __asm__ ("xxmr %x0,%x1" : "=wa" (d) : "wa" (ll));
-  return d;
-}
-
-double
-scalar_1 (void)
-{
-  /* VSPLTISW/VUPKLSW or XXSPLTIB/VEXTSB2D.  */
-  double d;
-  long long ll = 1;
-
-  __asm__ ("xxmr %x0,%x1" : "=wa" (d) : "wa" (ll));
-  return d;
-}
-
-/* 0x8000000000000000LL is the bit pattern for -0.0, which can be generated
-   with XXSPLTIDP.  */
-double
-scalar_float_neg_0 (void)
-{
-  /* XXSPLTIDP.  */
-  double d;
-  long long ll = 0x8000000000000000LL;
-
-  __asm__ ("xxmr %x0,%x1" : "=wa" (d) : "wa" (ll));
-  return d;
-}
-
-/* 0x3ff0000000000000LL is the bit pattern for 1.0 which can be generated with
-   XXSPLTIDP.  */
-double
-scalar_float_1_0 (void)
-{
-  /* XXSPLTIDP.  */
-  double d;
-  long long ll = 0x3ff0000000000000LL;
-
-  __asm__ ("xxmr %x0,%x1" : "=wa" (d) : "wa" (ll));
-  return d;
-}
-
-/* 0x400921fb54442d18LL is the bit pattern for PI, which cannot be generated
-   with XXSPLTIDP.  */
-double
-scalar_pi (void)
-{
-  /* PLXV.  */
-  double d;
-  long long ll = 0x400921fb54442d18LL;
-
-  __asm__ ("xxmr %x0,%x1" : "=wa" (d) : "wa" (ll));
-  return d;
-}
-
-/* { dg-final { scan-assembler-times {\mxxspltidp\M} 2 } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-sf.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-sf.c
deleted file mode 100644
index 72504bdfbbd..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-sf.c
+++ /dev/null
@@ -1,60 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2" } */
-
-#include <math.h>
-
-/* Test generating SFmode constants with the ISA 3.1 (power10) XXSPLTIDP
-   instruction.  */
-
-float
-scalar_float_0 (void)
-{
-  return 0.0f;			/* XXSPLTIB or XXLXOR.  */
-}
-
-float
-scalar_float_1 (void)
-{
-  return 1.0f;			/* XXSPLTIDP.  */
-}
-
-#ifndef __FAST_MATH__
-float
-scalar_float_m0 (void)
-{
-  return -0.0f;			/* XXSPLTIDP.  */
-}
-
-float
-scalar_float_nan (void)
-{
-  return __builtin_nanf ("");	/* XXSPLTIDP.  */
-}
-
-float
-scalar_float_inf (void)
-{
-  return __builtin_inff ();	/* XXSPLTIDP.  */
-}
-
-float
-scalar_float_m_inf (void)	/* XXSPLTIDP.  */
-{
-  return - __builtin_inff ();
-}
-#endif
-
-float
-scalar_float_pi (void)
-{
-  return (float)M_PI;		/* XXSPLTIDP.  */
-}
-
-float
-scalar_float_denorm (void)
-{
-  return 0x1p-149f;		/* PLFS.  */
-}
-
-/* { dg-final { scan-assembler-times {\mxxspltidp\M} 6 } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v16qi.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v16qi.c
deleted file mode 100644
index 2707d86e6fd..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v16qi.c
+++ /dev/null
@@ -1,27 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2 -mxxspltiw" } */
-
-#include <altivec.h>
-
-/* Test whether XXSPLTIW is generated for V16HI vector constants where the
-   first 4 elements are the same as the next 4 elements, etc.  */
-
-vector unsigned char
-v16qi_const_1 (void)
-{
-  return (vector unsigned char) { 1, 1, 1, 1, 1, 1, 1, 1,
-				  1, 1, 1, 1, 1, 1, 1, 1, }; /* VSLTPISB.  */
-}
-
-vector unsigned char
-v16qi_const_2 (void)
-{
-  return (vector unsigned char) { 1, 2, 3, 4, 1, 2, 3, 4,
-				  1, 2, 3, 4, 1, 2, 3, 4, }; /* XXSPLTIW.  */
-}
-
-/* { dg-final { scan-assembler-times {\mxxspltiw\M}              1 } } */
-/* { dg-final { scan-assembler-times {\mvspltisb\M|\mxxspltib\M} 1 } } */
-/* { dg-final { scan-assembler-not   {\mlxvx?\M}                   } } */
-/* { dg-final { scan-assembler-not   {\mplxv\M}                    } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2df-2.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2df-2.c
deleted file mode 100644
index 8bc119ad41f..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2df-2.c
+++ /dev/null
@@ -1,24 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2 -mxxsplti32dx -mxxspltiw" } */
-
-#define M_PI		3.14159265358979323846
-#define SUBNORMAL	0x1p-149f
-
-/* Test generation of floating point constants with XXSPLTI32DX.  */
-
-vector double
-v2df_double_pi (void)
-{
-  /* 2x XXSPLTI32DX.  */
-  return (vector double) { M_PI, M_PI };
-}
-
-vector double
-v2df_double_denorm (void)
-{
-  /* XXLXOR, XXSPLTI32DX.  */
-  return (vector double) { SUBNORMAL, SUBNORMAL };
-}
-
-/* { dg-final { scan-assembler-times {\mxxsplti32dx\M} 3 } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2df.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2df.c
deleted file mode 100644
index 82ffc86f8aa..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2df.c
+++ /dev/null
@@ -1,64 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2" } */
-
-#include <math.h>
-
-/* Test generating V2DFmode constants with the ISA 3.1 (power10) XXSPLTIDP
-   instruction.  */
-
-vector double
-v2df_double_0 (void)
-{
-  return (vector double) { 0.0, 0.0 };			/* XXSPLTIB or XXLXOR.  */
-}
-
-vector double
-v2df_double_1 (void)
-{
-  return (vector double) { 1.0, 1.0 };			/* XXSPLTIDP.  */
-}
-
-#ifndef __FAST_MATH__
-vector double
-v2df_double_m0 (void)
-{
-  return (vector double) { -0.0, -0.0 };		/* XXSPLTIDP.  */
-}
-
-vector double
-v2df_double_nan (void)
-{
-  return (vector double) { __builtin_nan (""),
-			   __builtin_nan ("") };	/* XXSPLTIDP.  */
-}
-
-vector double
-v2df_double_inf (void)
-{
-  return (vector double) { __builtin_inf (),
-			   __builtin_inf () };		/* XXSPLTIDP.  */
-}
-
-vector double
-v2df_double_m_inf (void)
-{
-  return (vector double) { - __builtin_inf (),
-			   - __builtin_inf () };	/* XXSPLTIDP.  */
-}
-#endif
-
-vector double
-v2df_double_pi (void)
-{
-  return (vector double) { M_PI, M_PI };		/* PLVX.  */
-}
-
-vector double
-v2df_double_denorm (void)
-{
-  return (vector double) { (double)0x1p-149f,
-			   (double)0x1p-149f };		/* PLVX.  */
-}
-
-/* { dg-final { scan-assembler-times {\mxxspltidp\M} 5 } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2di-2.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2di-2.c
deleted file mode 100644
index 2730742752a..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2di-2.c
+++ /dev/null
@@ -1,29 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2 -mxxsplti32dx -mxxspltiw" } */
-
-/* Test generation of integer constants loaded into the vector registers with
-   the ISA 3.1 (power10) instruction XXSPLTI32DX.  */
-
-#define LARGE_BITS	0x12345678ABCDEF01LL
-#define SUBNORMAL	0x8000000000000001LL
-
-/* 0x8000000000000001LL is the bit pattern for a negative subnormal value can
-   be generated with XXSPLTI32DX but not XXSLTIDP.  */
-vector long long
-vector_float_subnormal (void)
-{
-  /* 2x XXSPLTI32DX.  */
-  return (vector long long) { SUBNORMAL, SUBNORMAL };
-}
-
-/* 0x12345678ABCDEF01LL is a large constant that can be loaded with 2x
-   XXSPLTI32DX instructions.  */
-vector long long
-vector_large_constant (void)
-{
-  /* 2x XXSPLTI32DX.  */
-  return (vector long long) { LARGE_BITS, LARGE_BITS };
-}
-
-/* { dg-final { scan-assembler-times {\mxxsplti32dx\M} 4 } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2di.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2di.c
deleted file mode 100644
index 4d44f943d26..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2di.c
+++ /dev/null
@@ -1,50 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2" } */
-
-/* Test generating V2DImode constants that have the same bit pattern as
-   V2DFmode constants that can be loaded with the XXSPLTIDP instruction with
-   the ISA 3.1 (power10).  */
-
-vector long long
-vector_0 (void)
-{
-  /* XXSPLTIB or XXLXOR.  */
-  return (vector long long) { 0LL, 0LL };
-}
-
-vector long long
-vector_1 (void)
-{
-  /* XXSPLTIB and VEXTSB2D.  */
-  return (vector long long) { 1LL, 1LL };
-}
-
-/* 0x8000000000000000LL is the bit pattern for -0.0, which can be generated
-   with XXSPLTISDP.  */
-vector long long
-vector_float_neg_0 (void)
-{
-  /* XXSPLTIDP.  */
-  return (vector long long) { 0x8000000000000000LL, 0x8000000000000000LL };
-}
-
-/* 0x3ff0000000000000LL is the bit pattern for 1.0 which can be generated with
-   XXSPLTISDP.  */
-vector long long
-vector_float_1_0 (void)
-{
-  /* XXSPLTIDP.  */
-  return (vector long long) { 0x3ff0000000000000LL, 0x3ff0000000000000LL };
-}
-
-/* 0x400921fb54442d18LL is the bit pattern for PI, which cannot be generated
-   with XXSPLTIDP.  */
-vector long long
-scalar_pi (void)
-{
-  /* PLXV.  */
-  return (vector long long) { 0x400921fb54442d18LL, 0x400921fb54442d18LL };
-}
-
-/* { dg-final { scan-assembler-times {\mxxspltidp\M} 2 } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v4sf.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v4sf.c
deleted file mode 100644
index 05d4ee3f5cb..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v4sf.c
+++ /dev/null
@@ -1,67 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2 -mxxspltiw" } */
-
-#include <altivec.h>
-
-/* Test whether XXSPLTIW is generated for V4SF vector constants.  */
-
-vector float
-v4sf_const_1 (void)
-{
-  return (vector float) { 1.0f, 1.0f, 1.0f, 1.0f };	/* XXSPLTIW.  */
-}
-
-vector float
-v4sf_const_nan (void)
-{
-  return (vector float) { __builtin_nanf (""),
-			  __builtin_nanf (""),
-			  __builtin_nanf (""),
-			  __builtin_nanf ("") };	/* XXSPLTIW.  */
-}
-
-vector float
-v4sf_const_inf (void)
-{
-  return (vector float) { __builtin_inff (),
-			  __builtin_inff (),
-			  __builtin_inff (),
-			  __builtin_inff () };		/* XXSPLTIW.  */
-}
-
-vector float
-v4sf_const_m0 (void)
-{
-  return (vector float) { -0.0f, -0.0f, -0.0f, -0.0f };	/* XXSPLTIB/VSLW.  */
-}
-
-vector float
-v4sf_splats_1 (void)
-{
-  return vec_splats (1.0f);				/* XXSPLTIW.  */
-}
-
-vector float
-v4sf_splats_nan (void)
-{
-  return vec_splats (__builtin_nanf (""));		/* XXSPLTIW.  */
-}
-
-vector float
-v4sf_splats_inf (void)
-{
-  return vec_splats (__builtin_inff ());		/* XXSPLTIW.  */
-}
-
-vector float
-v8hi_splats_m0 (void)
-{
-  return vec_splats (-0.0f);				/* XXSPLTIB/VSLW.  */
-}
-
-/* { dg-final { scan-assembler-times {\mxxspltiw\M} 6 } } */
-/* { dg-final { scan-assembler-times {\mxxspltib\M} 2 } } */
-/* { dg-final { scan-assembler-times {\mvslw\M}     2 } } */
-/* { dg-final { scan-assembler-not   {\mlxvx?\M}      } } */
-/* { dg-final { scan-assembler-not   {\mplxv\M}       } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v4si.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v4si.c
deleted file mode 100644
index da909e948b2..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v4si.c
+++ /dev/null
@@ -1,51 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2 -mxxspltiw" } */
-
-#include <altivec.h>
-
-/* Test whether XXSPLTIW is generated for V4SI vector constants.  We make sure
-   the power9 support (XXSPLTIB/VEXTSB2W) is not done.  */
-
-vector int
-v4si_const_1 (void)
-{
-  return (vector int) { 1, 1, 1, 1 };			/* VSLTPISW.  */
-}
-
-vector int
-v4si_const_126 (void)
-{
-  return (vector int) { 126, 126, 126, 126 };		/* XXSPLTIW.  */
-}
-
-vector int
-v4si_const_1023 (void)
-{
-  return (vector int) { 1023, 1023, 1023, 1023 };	/* XXSPLTIW.  */
-}
-
-vector int
-v4si_splats_1 (void)
-{
-  return vec_splats (1);				/* VSLTPISW.  */
-}
-
-vector int
-v4si_splats_126 (void)
-{
-  return vec_splats (126);				/* XXSPLTIW.  */
-}
-
-vector int
-v8hi_splats_1023 (void)
-{
-  return vec_splats (1023);				/* XXSPLTIW.  */
-}
-
-/* { dg-final { scan-assembler-times {\mxxspltiw\M}  4 } } */
-/* { dg-final { scan-assembler-times {\mvspltisw\M}  2 } } */
-/* { dg-final { scan-assembler-not   {\mxxspltib\M}    } } */
-/* { dg-final { scan-assembler-not   {\mvextsb2w\M}    } } */
-/* { dg-final { scan-assembler-not   {\mlxvx?\M}       } } */
-/* { dg-final { scan-assembler-not   {\mplxv\M}        } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v8hi.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v8hi.c
deleted file mode 100644
index 290e05d4a64..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v8hi.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2 -mxxspltiw" } */
-
-#include <altivec.h>
-
-/* Test whether XXSPLTIW is generated for V8HI vector constants.  We make sure
-   the power9 support (XXSPLTIB/VUPKLSB) is not done.  */
-
-vector short
-v8hi_const_1 (void)
-{
-  return (vector short) { 1, 1, 1, 1, 1, 1, 1, 1 };	/* VSLTPISH.  */
-}
-
-vector short
-v8hi_const_126 (void)
-{
-  return (vector short) { 126, 126, 126, 126,
-			  126, 126, 126, 126 };		/* XXSPLTIW.  */
-}
-
-vector short
-v8hi_const_1023 (void)
-{
-  return (vector short) { 1023, 1023, 1023, 1023,
-			  1023, 1023, 1023, 1023 };	/* XXSPLTIW.  */
-}
-
-vector short
-v8hi_splats_1 (void)
-{
-  return vec_splats ((short)1);				/* VSLTPISH.  */
-}
-
-vector short
-v8hi_splats_126 (void)
-{
-  return vec_splats ((short)126);			/* XXSPLTIW.  */
-}
-
-vector short
-v8hi_splats_1023 (void)
-{
-  return vec_splats ((short)1023);			/* XXSPLTIW.  */
-}
-
-/* Test that we can optimiza V8HI where all of the even elements are the same
-   and all of the odd elements are the same.  */
-vector short
-v8hi_const_1023_1000 (void)
-{
-  return (vector short) { 1023, 1000, 1023, 1000,
-			  1023, 1000, 1023, 1000 };	/* XXSPLTIW.  */
-}
-
-/* { dg-final { scan-assembler-times {\mxxspltiw\M}  5 } } */
-/* { dg-final { scan-assembler-times {\mvspltish\M}  2 } } */
-/* { dg-final { scan-assembler-not   {\mxxspltib\M}    } } */
-/* { dg-final { scan-assembler-not   {\mvupklsb\M}     } } */
-/* { dg-final { scan-assembler-not   {\mlxvx?\M}       } } */
-/* { dg-final { scan-assembler-not   {\mplxv\M}        } } */


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [gcc(refs/users/meissner/heads/work070)] Revert patches.
@ 2021-10-05 17:29 Michael Meissner
  0 siblings, 0 replies; 6+ messages in thread
From: Michael Meissner @ 2021-10-05 17:29 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:be90bb72cf8c4dddf5a9995977b50701fa1737bb

commit be90bb72cf8c4dddf5a9995977b50701fa1737bb
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Tue Oct 5 13:28:04 2021 -0400

    Revert patches.
    
    2021-10-05  Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/
    
            Revert patches.
            * config/rs6000/constraint.md (eD): New constraint.
            * config/rs6000/predicates.md (easy_fp_constant): If the constant
            can be loaded with XXSPLTI32DX, it is easy.
            (easy_vector_constant_2insns): New predicate.
            (easy_vector_constant): If the constant can be loaded with
            XXSPLTI32DX, it is easy.
            * config/rs6000/rs6000-protos.h (xxsplti32dx_constant_immediate):
            New declaration.
            * config/rs6000/rs6000.c (xxsplti32dx_constant_immediate): New
            helper function.
            (output_vec_const_move): If the operand can be loaded with
            XXSPLTI32DX, split it.
            (rs6000_output_move_128bit): Likewise.
            (prefixed_xxsplti_p): Constants loaded with XXSPLTI32DX are
            prefixed.
            * config/rs6000/rs6000.md (movsf_hardfloat): Add support for
            constants loaded with XXSPLTI32DX.
            (mov<mode>_hardfloat32, FMOVE64 iterator):  Likewise.
            (mov<mode>_hardfloat64, FMOVE64 iterator): Likewise.
            (movdi_internal32): Likewise.
            (movdi_internal64): Likewise.
            * config/rs6000/rs6000.opt (-mxxsplti32dx): New option.
            * config/rs6000/vsx.md (UNSPEC_XXSPLTI32DX_CONST): New unspec.
            (vsx_mov<mode>_64bit): Add support for constants loaded with
            XXSPLTI32DX.
            (vsx_mov<mode>_32bit): Likewise.
            (XXSPLTI32DX): New mode iterator.
            (splitter for XXSPLTI32DX): Add splitter for constants loaded with
            XXSPLTI32DX.
            (xxsplti32dx_<mode>_first): New insns.
            (xxsplti32dx_<mode>_second): New insns.
            * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
            eD constraint.
    
    gcc/testsuite/
    
            Revert patches.
            * gcc.target/powerpc/vec-splat-constant-df-2.c: New test.
            * gcc.target/powerpc/vec-splat-constant-di-2.c: New test.
            * gcc.target/powerpc/vec-splat-constant-v2df-2.c: New test.
            * gcc.target/powerpc/vec-splat-constant-v2di-2.c: New test.
    
    2021-10-04  Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/
    
            Revert patches.
            * config/rs6000/constraints.md (eW): New constraint.
            * config/rs6000/predicates.md (easy_vector_constant_splat_word):
            New predicate.
            (easy_vector_constant): If we can use XXSPLTIW, the vector
            constant is easy.
            * config/rs6000/rs6000-protos.h (xxspltiw_constant_immediate): New
            declaration.
            * config/rs6000/rs6000.c (xxspltiw_constant_immediate): New
            function.
            (output_vec_const_move): Add support for loading up vector
            constants with XXSPLTIW.
            (prefixed_xxsplti_p): Recognize xxspltiw instructions as
            prefixed.
            * config/rs6000/rs6000.opt (-mxxspltiw): New debug switch.
            * config/rs6000/vsx.md (vsx_mov<mode>_64bit): Add support for
            constants loaded with XXSPLTIW.
            (vsx_mov<mode>_32bit): Likewise.
            * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
            eW constraint.
    
    gcc/testsuite/
    
            Revert patches.
            * gcc.target/powerpc/vec-splat-constant-v16qi.c: New test.
            * gcc.target/powerpc/vec-splat-constant-v4sf.c: New test.
            * gcc.target/powerpc/vec-splat-constant-v4si.c: New test.
            * gcc.target/powerpc/vec-splat-constant-v8hi.c: New test.

Diff:
---
 gcc/config/rs6000/constraints.md                   |  11 --
 gcc/config/rs6000/predicates.md                    | 166 ---------------------
 gcc/config/rs6000/rs6000-protos.h                  |   2 -
 gcc/config/rs6000/rs6000.c                         | 158 +-------------------
 gcc/config/rs6000/rs6000.md                        | 119 ++++-----------
 gcc/config/rs6000/rs6000.opt                       |  10 --
 gcc/config/rs6000/vsx.md                           | 107 ++-----------
 gcc/doc/md.texi                                    |   6 -
 .../gcc.target/powerpc/vec-splat-constant-df-2.c   |  24 ---
 .../gcc.target/powerpc/vec-splat-constant-di-2.c   |  38 -----
 .../gcc.target/powerpc/vec-splat-constant-v16qi.c  |  27 ----
 .../gcc.target/powerpc/vec-splat-constant-v2df-2.c |  24 ---
 .../gcc.target/powerpc/vec-splat-constant-v2di-2.c |  29 ----
 .../gcc.target/powerpc/vec-splat-constant-v4sf.c   |  67 ---------
 .../gcc.target/powerpc/vec-splat-constant-v4si.c   |  51 -------
 .../gcc.target/powerpc/vec-splat-constant-v8hi.c   |  62 --------
 16 files changed, 49 insertions(+), 852 deletions(-)

diff --git a/gcc/config/rs6000/constraints.md b/gcc/config/rs6000/constraints.md
index f9d1d1ab446..1700657abe9 100644
--- a/gcc/config/rs6000/constraints.md
+++ b/gcc/config/rs6000/constraints.md
@@ -213,12 +213,6 @@
   "A 64-bit scalar constant that can be loaded with the XXSPLTIDP instruction."
   (match_operand 0 "easy_fp_constant_64bit_scalar"))
 
-;; DImode, DFmode, V2DImode, V2DFmode constant that can be loaded with 2
-;; XXSPLTI32DX instruction.
-(define_constraint "eD"
-  "A constant that can be loaded with a pair of XXSPLTI32DX instructions."
-  (match_operand 0 "easy_vector_constant_2insns"))
-
 ;; 34-bit signed integer constant
 (define_constraint "eI"
   "A signed 34-bit integer constant if prefixed instructions are supported."
@@ -234,11 +228,6 @@
   "An IEEE 128-bit constant that can be loaded with the LXVKQ instruction."
   (match_operand 0 "easy_fp_constant_ieee128"))
 
-;; Vector constant that can be loaded with XXSPLTIW
-(define_constraint "eW"
-  "A vector constant that can be loaded with the XXSPLTIW instruction."
-  (match_operand 0 "easy_vector_constant_splat_word"))
-
 ;; Floating-point constraints.  These two are defined so that insn
 ;; length attributes can be calculated exactly.
 
diff --git a/gcc/config/rs6000/predicates.md b/gcc/config/rs6000/predicates.md
index c8f0d62d75b..30e89ec79f0 100644
--- a/gcc/config/rs6000/predicates.md
+++ b/gcc/config/rs6000/predicates.md
@@ -611,11 +611,6 @@
   if (easy_fp_constant_ieee128 (op, mode))
     return 1;
 
-  /* If we have the ISA 3.1 XXSPLTI32DX instruction, see if the constant can be
-     loaded with a pair of instructions.  */
-  if (easy_vector_constant_2insns (op, mode))
-    return 1;
-
   /* Otherwise consider floating point constants hard, so that the
      constant gets pushed to memory during the early RTL phases.  This
      has the advantage that double precision constants that can be
@@ -756,161 +751,6 @@
   return easy_fp_constant_64bit_scalar (op, GET_MODE_INNER (mode));
 })
 
-;; Return 1 if the operand is either a DImode/DFmode scalar constant or
-;; V2DImode/V2DFmode vector constant that needs 2 XXSPLTI32DX instructions to
-;; load the value
-
-(define_predicate "easy_vector_constant_2insns"
-  (match_code "const_vector,vec_duplicate,const_int,const_double")
-{
-  /* Can we do the XXSPLTI32DX instruction?  */
-  if (!TARGET_XXSPLTI32DX || !TARGET_PREFIXED || !TARGET_VSX)
-    return false;
-
-  if (mode == VOIDmode)
-    mode = GET_MODE (op);
-
-  /* Convert vector constant/duplicate into a scalar.  */
-  if (CONST_VECTOR_P (op))
-    {
-      if (!CONST_VECTOR_DUPLICATE_P (op))
-	return false;
-
-      op = CONST_VECTOR_ELT (op, 0);
-      mode = GET_MODE_INNER (mode);
-    }
-
-  else if (GET_CODE (op) == VEC_DUPLICATE)
-    {
-      op = XEXP (op, 0);
-      mode = GET_MODE_INNER (mode);
-    }
-
-  if (GET_MODE_SIZE (mode) > 8)
-    return false;
-
-  /* 0.0 or 0 is easy to generate.  */
-  if (op == CONST0_RTX (mode))
-    return false;
-
-  /* If we can load up the constant in other ways (either a single load
-     constant and a direct move or XXSPLTIDP), don't generate the
-     XXSPLTI32DX.  */
-  if (CONST_INT_P (op))
-    return !(satisfies_constraint_I (op)
-             || satisfies_constraint_L (op)
-             || satisfies_constraint_eI (op)
-             || easy_fp_constant_64bit_scalar (op, mode));
-
-  /* For floating point, if we can use XXSPLTIDP, we don't want to
-     generate XXSPLTI32DX's.  */
-  else if (CONST_DOUBLE_P (op) && (mode == SFmode || mode == DFmode))
-    return !easy_fp_constant_64bit_scalar (op, mode);
-
-  return false;
-})
-
-;; Return 1 if the operand is a constant that can be loaded with the XXSPLTIW
-;; instruction that loads up a 32-bit immediate and splats it into the vector.
-
-(define_predicate "easy_vector_constant_splat_word"
-  (match_code "const_vector")
-{
-  HOST_WIDE_INT value;
-
-  if (!TARGET_PREFIXED || !TARGET_VSX || !TARGET_XXSPLTIW)
-    return false;
-
-  if (!CONST_VECTOR_P (op))
-    return true;
-
-  rtx element0 = CONST_VECTOR_ELT (op, 0);
-
-  switch (mode)
-    {
-      /* V4SImode constant vectors that have the same element are can be used
-	 with XXSPLTIW.  */
-    case V4SImode:
-      if (!CONST_VECTOR_DUPLICATE_P (op))
-	return false;
-
-      /* Don't return true if we can use the shorter vspltisw instruction.  */
-      value = INTVAL (element0);
-      return (!EASY_VECTOR_15 (value));
-
-      /* V4SFmode constant vectors that have the same element are
-	 can be used with XXSPLTIW.  */
-    case V4SFmode:
-      if (!CONST_VECTOR_DUPLICATE_P (op))
-	return false;
-
-      /* Don't return true for 0.0f, since that can be created with
-	 xxspltib or xxlxor.  */
-      return (element0 != CONST0_RTX (SFmode));
-
-      /* V8Hmode constant vectors that have the same element are can be used
-	 with XXSPLTIW.  */
-    case V8HImode:
-      if (CONST_VECTOR_DUPLICATE_P (op))
-	{
-	  /* Don't return true if we can use the shorter vspltish instruction.  */
-	  value = INTVAL (element0);
-	  if (EASY_VECTOR_15 (value))
-	    return false;
-
-	  return true;
-	}
-
-      else
-	{
-	  /* Check if all even elements are the same and all odd elements are
-	     the same.  */
-	  rtx element1 = CONST_VECTOR_ELT (op, 1);
-
-	  if (!CONST_INT_P (element1))
-	    return false;
-
-	  for (size_t i = 2; i < GET_MODE_NUNITS (V8HImode); i += 2)
-	    if (!rtx_equal_p (element0, CONST_VECTOR_ELT (op, i))
-		|| !rtx_equal_p (element1, CONST_VECTOR_ELT (op, i + 1)))
-	      return false;
-
-	  return true;
-	}
-
-      /* V16QI constant vectors that have the first four elements identical to
-	 the next set of 4 elements, and so forth can generate XXSPLTIW.  */
-    case V16QImode:
-	{
-	  /* If we can use XXSPLTIB, don't generate XXSPLTIW.  */
-	  if (xxspltib_constant_nosplit (op, mode))
-	    return false;
-
-	  rtx element1 = CONST_VECTOR_ELT (op, 1);
-	  rtx element2 = CONST_VECTOR_ELT (op, 2);
-	  rtx element3 = CONST_VECTOR_ELT (op, 3);
-
-	  if (!CONST_INT_P (element0) || !CONST_INT_P (element1)
-	      || !CONST_INT_P (element2) || !CONST_INT_P (element3))
-	    return false;
-
-	  for (size_t i = 4; i < GET_MODE_NUNITS (V16QImode); i += 4)
-	    if (!rtx_equal_p (element0, CONST_VECTOR_ELT (op, i))
-		|| !rtx_equal_p (element1, CONST_VECTOR_ELT (op, i + 1))
-		|| !rtx_equal_p (element2, CONST_VECTOR_ELT (op, i + 2))
-		|| !rtx_equal_p (element3, CONST_VECTOR_ELT (op, i + 3)))
-	      return false;
-
-	  return true;
-	}
-
-    default:
-      break;
-    }
-
-  return false;
-})
-
 ;; Return 1 if the operand is a constant that can loaded with a XXSPLTIB
 ;; instruction and then a VUPKHSB, VECSB2W or VECSB2D instruction.
 
@@ -1031,12 +871,6 @@
       if (easy_vector_constant_64bit_element (op, mode))
 	return true;
 
-      if (easy_vector_constant_splat_word (op, mode))
-	return true;
-
-      if (easy_vector_constant_2insns (op, mode))
-	return 1;
-
       if (TARGET_P9_VECTOR
           && xxspltib_constant_p (op, mode, &num_insns, &value))
 	return true;
diff --git a/gcc/config/rs6000/rs6000-protos.h b/gcc/config/rs6000/rs6000-protos.h
index f517624cc56..a21fa08b367 100644
--- a/gcc/config/rs6000/rs6000-protos.h
+++ b/gcc/config/rs6000/rs6000-protos.h
@@ -32,9 +32,7 @@ extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, int, int, int,
 
 extern int easy_altivec_constant (rtx, machine_mode);
 extern bool xxspltib_constant_p (rtx, machine_mode, int *, int *);
-extern void xxsplti32dx_constant_immediate (rtx, machine_mode, long *, long *);
 extern long xxspltidp_constant_immediate (rtx, machine_mode);
-extern long xxspltiw_constant_immediate (rtx, machine_mode);
 extern int lxvkq_constant_immediate (rtx, machine_mode);
 extern int vspltis_shifted (rtx);
 extern HOST_WIDE_INT const_vector_elt_as_int (rtx, unsigned int);
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index f5ca8eb1703..81004d9a879 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -6939,6 +6939,11 @@ xxspltib_constant_p (rtx op,
   else if (IN_RANGE (value, -1, 0))
     *num_insns_ptr = 1;
 
+  /* See if we could generate the constant with XXSPLTIW instead of XXSPLTIB +
+     VUPKLSB/VEXTSB2W.  */
+  else if ((mode == V8HImode || mode == V4SImode) && TARGET_POWER10 && TARGET_XXSPLTIW)
+    return false;
+
   else
     *num_insns_ptr = 2;
 
@@ -6946,59 +6951,6 @@ xxspltib_constant_p (rtx op,
   return true;
 }
 
-/* Return the two 32-bit constants to use in the two XXSPLTI32DX instructions
-   via HIGH_PTR and LOW_PTR.  */
-
-void
-xxsplti32dx_constant_immediate (rtx op,
-				machine_mode mode,
-				long *high_ptr,
-				long *low_ptr)
-{
-  gcc_assert (easy_vector_constant_2insns (op, mode));
-
-  if (mode == VOIDmode)
-    mode = GET_MODE (op);
-
-  if (CONST_VECTOR_P (op))
-    {
-      op = CONST_VECTOR_ELT (op, 0);
-      mode = GET_MODE_INNER (mode);
-    }
-
-  else if (GET_CODE (op) == VEC_DUPLICATE)
-    {
-      op = XEXP (op, 0);
-      mode = GET_MODE_INNER (mode);
-    }
-
-  if (CONST_INT_P (op))
-    {
-      HOST_WIDE_INT value = INTVAL (op);
-      *high_ptr = (value >> 32) & 0xffffffff;
-      *low_ptr = value & 0xffffffff;
-      return;
-    }
-
-  else if (CONST_DOUBLE_P (op) && (mode == SFmode || mode == DFmode))
-    {
-      long high_low[2];
-      const struct real_value *rv = CONST_DOUBLE_REAL_VALUE (op);
-      REAL_VALUE_TO_TARGET_DOUBLE (*rv, high_low);
-
-      /* The double precision value is laid out in memory order.  We need to
-	 undo this for XXSPLTI32DX.  */
-      if (!BYTES_BIG_ENDIAN)
-	std::swap (high_low[0], high_low[1]);
-
-      *high_ptr = high_low[0] & 0xffffffff;
-      *low_ptr = high_low[1] & 0xffffffff;
-      return;
-    }
-
-  gcc_unreachable ();
-}
-
 /* Return the immediate value used in the XXSPLTIDP instruction.  */
 
 long
@@ -7053,82 +7005,6 @@ xxspltidp_constant_immediate (rtx op, machine_mode mode)
   return ret;
 }
 
-/* Return the immediate value used in the XXSPLTIW instruction.  */
-long
-xxspltiw_constant_immediate (rtx op, machine_mode mode)
-{
-  long ret;
-
-  gcc_assert (easy_vector_constant_splat_word (op, mode));
-
-  switch (mode)
-    {
-    default:
-      gcc_unreachable ();
-
-      /* V4SImode constant vectors that have the same element are can be used
-	 with XXSPLTIW.  */
-    case E_V4SImode:
-      gcc_assert (CONST_VECTOR_DUPLICATE_P (op));
-      ret = INTVAL (CONST_VECTOR_ELT (op, 0));
-      break;
-
-      /* V4SFmode constant vectors that have the same element are
-	 can be used with XXSPLTIW.  */
-    case E_V4SFmode:
-      gcc_assert (CONST_VECTOR_DUPLICATE_P (op));
-      ret = rs6000_const_f32_to_i32 (CONST_VECTOR_ELT (op, 0));
-      break;
-
-      /* V8HImode constant vectors with all of the even elements the same and
-	 all of the odd elements the same can used XXSPLTIW.  */
-    case E_V8HImode:
-      {
-	if (!rtx_equal_p (CONST_VECTOR_ELT (op, 0), CONST_VECTOR_ELT (op, 2))
-	    || !rtx_equal_p (CONST_VECTOR_ELT (op, 1), CONST_VECTOR_ELT (op, 3)))
-	  gcc_unreachable ();
-
-	long value0 = INTVAL (CONST_VECTOR_ELT (op, 0)) & 0xffff;
-	long value1 = INTVAL (CONST_VECTOR_ELT (op, 1)) & 0xffff;
-
-	if (!BYTES_BIG_ENDIAN)
-	  std::swap (value0, value1);
-
-	ret = (value0 << 16) | value1;
-      }
-      break;
-
-      /* V16QI constant vectors that have the first four elements identical to
-	 the next set of 4 elements, and so forth can generate XXSPLTIW.  */
-    case E_V16QImode:
-      {
-	rtx op0 = CONST_VECTOR_ELT (op, 0);
-	rtx op1 = CONST_VECTOR_ELT (op, 1);
-	rtx op2 = CONST_VECTOR_ELT (op, 2);
-	rtx op3 = CONST_VECTOR_ELT (op, 3);
-
-	for (size_t i = 4; i < GET_MODE_NUNITS (V16QImode); i += 4)
-	  if (!rtx_equal_p (op0, CONST_VECTOR_ELT (op, i))
-	      || !rtx_equal_p (op1, CONST_VECTOR_ELT (op, i + 1))
-	      || !rtx_equal_p (op2, CONST_VECTOR_ELT (op, i + 2))
-	      || !rtx_equal_p (op3, CONST_VECTOR_ELT (op, i + 3)))
-	    gcc_unreachable ();
-
-	long value0 = INTVAL (op0) & 0xff;
-	long value1 = INTVAL (op1) & 0xff;
-	long value2 = INTVAL (op2) & 0xff;
-	long value3 = INTVAL (op3) & 0xff;
-
-	ret = ((BYTES_BIG_ENDIAN)
-	       ? ((value0 << 24) | (value1 << 16) | (value2 << 8) | value3)
-	       : ((value3 << 24) | (value2 << 16) | (value1 << 8) | value0));
-      }
-      break;
-    }
-
-  return ret;
-}
-
 /* Return the constant that will go in the LXVKQ instruction.  */
 
 /* LXVKQ immediates.  */
@@ -7270,21 +7146,12 @@ output_vec_const_move (rtx *operands)
 	  return "xxspltidp %x0,%2";
 	}
 
-      if (easy_vector_constant_splat_word (vec, mode))
-	{
-	  operands[2] = GEN_INT (xxspltiw_constant_immediate (vec, mode));
-	  return "xxspltiw %x0,%2";
-	}
-
       if (easy_fp_constant_ieee128 (vec, mode))
 	{
 	  operands[2] = GEN_INT (lxvkq_constant_immediate (vec, mode));
 	  return "lxvkq %x0,%2";
 	}
 
-      if (easy_vector_constant_2insns (vec, mode))
-	return "#";
-
       if (TARGET_P9_VECTOR
 	  && xxspltib_constant_p (vec, mode, &num_insns, &xxspltib_value))
 	{
@@ -14133,9 +14000,6 @@ rs6000_output_move_128bit (rtx operands[])
       return "lxvkq %x0,%2";
     }
 
-  else if (dest_vsx_p && easy_vector_constant_2insns (src, mode))
-    return "#";
-
   else if (dest_regno >= 0
 	   && (CONST_INT_P (src)
 	       || CONST_WIDE_INT_P (src)
@@ -27050,19 +26914,11 @@ prefixed_xxsplti_p (rtx_insn *insn)
     case E_DImode:
     case E_DFmode:
     case E_SFmode:
-      return (easy_fp_constant_64bit_scalar (src, mode)
-	      || easy_vector_constant_2insns (src, mode));
+      return easy_fp_constant_64bit_scalar (src, mode);
 
     case E_V2DImode:
     case E_V2DFmode:
-      return (easy_vector_constant_64bit_element (src, mode)
-	      || easy_vector_constant_2insns (src, mode));
-
-    case E_V16QImode:
-    case E_V8HImode:
-    case E_V4SImode:
-    case E_V4SFmode:
-      return easy_vector_constant_splat_word (src, mode);
+      return easy_vector_constant_64bit_element (src, mode);
 
     default:
       break;
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index 5c120ef1672..8afc4b2756d 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -7764,17 +7764,17 @@
 ;;
 ;;	LWZ          LFS        LXSSP       LXSSPX     STFS       STXSSP
 ;;	STXSSPX      STW        XXLXOR      LI         FMR        XSCPSGNDP
-;;	MR           MT<x>      MF<x>       NOP        XXSPLTIDP  XXSPLTI32DX
+;;	MR           MT<x>      MF<x>       NOP        XXSPLTIDP
 
 (define_insn "movsf_hardfloat"
   [(set (match_operand:SF 0 "nonimmediate_operand"
 	 "=!r,       f,         v,          wa,        m,         wY,
 	  Z,         m,         wa,         !r,        f,         wa,
-	  !r,        *c*l,      !r,         *h,        wa,        wa")
+	  !r,        *c*l,      !r,         *h,        wa")
 	(match_operand:SF 1 "input_operand"
 	 "m,         m,         wY,         Z,         f,         v,
 	  wa,        r,         j,          j,         f,         wa,
-	  r,         r,         *h,         0,         eF,        eD"))]
+	  r,         r,         *h,         0,         eF"))]
   "(register_operand (operands[0], SFmode)
    || register_operand (operands[1], SFmode))
    && TARGET_HARD_FLOAT
@@ -7797,24 +7797,15 @@
    mt%0 %1
    mf%1 %0
    nop
-   #
    #"
   [(set_attr "type"
 	"load,       fpload,    fpload,     fpload,    fpstore,   fpstore,
 	 fpstore,    store,     veclogical, integer,   fpsimple,  fpsimple,
-	 *,          mtjmpr,    mfjmpr,     *,         vecperm,   vecperm")
+	 *,          mtjmpr,    mfjmpr,     *,         vecperm")
    (set_attr "isa"
 	"*,          *,         p9v,        p8v,       *,         p9v,
 	 p8v,        *,         *,          *,         *,         *,
-	 *,          *,         *,          *,         p10,       p10")
-   (set_attr "max_prefixed_insns"
-	"*,          *,         *,          *,         *,         *,
-	 *,          *,         *,          *,         *,         *,
-	 *,          *,         *,          *,         *,         2")
-   (set_attr "num_insns"
-	"*,          *,         *,          *,         *,         *,
-	 *,          *,         *,          *,         *,         *,
-	 *,          *,         *,          *,         *,         2")])
+	 *,          *,         *,          *,         p10")])
 
 ;;	LWZ          LFIWZX     STW        STFIWX     MTVSRWZ    MFVSRWZ
 ;;	FMR          MR         MT%0       MF%1       NOP
@@ -8074,18 +8065,18 @@
 
 ;;           STFD         LFD         FMR         LXSD        STXSD
 ;;           LXSD         STXSD       XXLOR       XXLXOR      GPR<-0
-;;           LWZ          STW         MR          XXSPLTIDP   XXSPLTI32DX
+;;           LWZ          STW         MR          XXSPLTIDP
 
 
 (define_insn "*mov<mode>_hardfloat32"
   [(set (match_operand:FMOVE64 0 "nonimmediate_operand"
             "=m,          d,          d,          <f64_p9>,   wY,
               <f64_av>,   Z,          <f64_vsx>,  <f64_vsx>,  !r,
-              Y,          r,          !r,         wa,         wa")
+              Y,          r,          !r,         wa")
 	(match_operand:FMOVE64 1 "input_operand"
              "d,          m,          d,          wY,         <f64_p9>,
               Z,          <f64_av>,   <f64_vsx>,  <zero_fp>,  <zero_fp>,
-              r,          Y,          r,          eF,         eD"))]
+              r,          Y,          r,          eF"))]
   "! TARGET_POWERPC64 && TARGET_HARD_FLOAT
    && (gpc_reg_operand (operands[0], <MODE>mode)
        || gpc_reg_operand (operands[1], <MODE>mode))"
@@ -8103,29 +8094,20 @@
    #
    #
    #
-   #
    #"
   [(set_attr "type"
             "fpstore,     fpload,     fpsimple,   fpload,     fpstore,
              fpload,      fpstore,    veclogical, veclogical, two,
-             store,       load,       two,        vecperm,    vecperm")
+             store,       load,       two,        vecperm")
    (set_attr "size" "64")
    (set_attr "length"
             "*,           *,          *,          *,          *,
              *,           *,          *,          *,          8,
-             8,           8,          8,          *,          *")
-   (set_attr "num_insns"
-            "*,           *,          *,          *,          *,
-             *,           *,          *,          *,          *,
-             *,           *,          *,          *,          2")
-   (set_attr "max_prefixed_insns"
-            "*,           *,          *,          *,          *,
-             *,           *,          *,          *,          *,
-             *,           *,          *,          *,          2")
+             8,           8,          8,          *")
    (set_attr "isa"
             "*,           *,          *,          p9v,        p9v,
              p7v,         p7v,        *,          *,          *,
-             *,           *,          *,          p10,        p10")])
+             *,           *,          *,          p10")])
 
 ;;           STW      LWZ     MR      G-const H-const F-const
 
@@ -8152,19 +8134,19 @@
 ;;           STFD         LFD         FMR         LXSD        STXSD
 ;;           LXSDX        STXSDX      XXLOR       XXLXOR      LI 0
 ;;           STD          LD          MR          MT{CTR,LR}  MF{CTR,LR}
-;;           NOP          MFVSRD      MTVSRD      XXSPLTIDP   XXSPLTI32DX
+;;           NOP          MFVSRD      MTVSRD      XXSPLTIDP
 
 (define_insn "*mov<mode>_hardfloat64"
   [(set (match_operand:FMOVE64 0 "nonimmediate_operand"
            "=m,           d,          d,          <f64_p9>,   wY,
              <f64_av>,    Z,          <f64_vsx>,  <f64_vsx>,  !r,
              YZ,          r,          !r,         *c*l,       !r,
-            *h,           r,          <f64_dm>,   wa,         wa")
+            *h,           r,          <f64_dm>,   wa")
 	(match_operand:FMOVE64 1 "input_operand"
             "d,           m,          d,          wY,         <f64_p9>,
              Z,           <f64_av>,   <f64_vsx>,  <zero_fp>,  <zero_fp>,
              r,           YZ,         r,          r,          *h,
-             0,           <f64_dm>,   r,          eF,         eD"))]
+             0,           <f64_dm>,   r,          eF"))]
   "TARGET_POWERPC64 && TARGET_HARD_FLOAT
    && (gpc_reg_operand (operands[0], <MODE>mode)
        || gpc_reg_operand (operands[1], <MODE>mode))"
@@ -8187,29 +8169,18 @@
    nop
    mfvsrd %0,%x1
    mtvsrd %x0,%1
-   #
    #"
   [(set_attr "type"
             "fpstore,     fpload,     fpsimple,   fpload,     fpstore,
              fpload,      fpstore,    veclogical, veclogical, integer,
              store,       load,       *,          mtjmpr,     mfjmpr,
-             *,           mfvsr,      mtvsr,      vecperm,    vecperm")
+             *,           mfvsr,      mtvsr,      vecperm")
    (set_attr "size" "64")
    (set_attr "isa"
             "*,           *,          *,          p9v,        p9v,
              p7v,         p7v,        *,          *,          *,
              *,           *,          *,          *,          *,
-             *,           p8v,        p8v,        p10,        p10")
-   (set_attr "num_insns"
-            "*,           *,          *,          *,          *,
-             *,           *,          *,          *,          *,
-             *,           *,          *,          *,          *,
-             *,           *,          *,          *,          2")
-   (set_attr "max_prefixed_insns"
-            "*,           *,          *,          *,          *,
-             *,           *,          *,          *,          *,
-             *,           *,          *,          *,          *,
-             *,           *,          *,          *,          2")])
+             *,           p8v,        p8v,        p10")])
 
 ;;           STD      LD       MR      MT<SPR> MF<SPR> G-const
 ;;           H-const  F-const  Special
@@ -9257,7 +9228,7 @@
 ;; a gpr into a fpr instead of reloading an invalid 'Y' address
 
 ;;        GPR store  GPR load   GPR move   FPR store  FPR load   FPR move
-;;	  XXSPLTIDP  XXSPLTI32DX
+;;	  XXSPLTIDP
 ;;        GPR const  AVX store  AVX store  AVX load   AVX load   VSX move
 ;;        P9 0       P9 -1      AVX 0/-1   VSX 0      VSX -1     P9 const
 ;;        AVX const  
@@ -9265,13 +9236,13 @@
 (define_insn "*movdi_internal32"
   [(set (match_operand:DI 0 "nonimmediate_operand"
          "=Y,        r,         r,         m,         ^d,        ^d,
-          ^wa,       ^wa,
+          ^wa,
           r,         wY,        Z,         ^v,        $v,        ^wa,
           wa,        wa,        v,         wa,        *i,        v,
           v")
 	(match_operand:DI 1 "input_operand"
          "r,         Y,         r,         ^d,        m,         ^d,
-          eF,        eD,
+          eF,
           IJKnF,     ^v,        $v,        wY,        Z,         ^wa,
           Oj,        wM,        OjwM,      Oj,        wM,        wS,
           wB"))]
@@ -9287,7 +9258,6 @@
    fmr %0,%1
    #
    #
-   #
    stxsd %1,%0
    stxsdx %x1,%y0
    lxsd %0,%1
@@ -9302,32 +9272,20 @@
    #"
   [(set_attr "type"
          "store,     load,      *,         fpstore,   fpload,    fpsimple,
-          vecperm,   vecperm,
+          vecperm,
           *,         fpstore,   fpstore,   fpload,    fpload,    veclogical,
           vecsimple, vecsimple, vecsimple, veclogical,veclogical,vecsimple,
           vecsimple")
    (set_attr "size" "64")
    (set_attr "length"
          "8,         8,         8,         *,         *,         *,
-          *,         *,
+          *,
           16,        *,         *,         *,         *,         *,
           *,         *,         *,         *,         *,         8,
           *")
-   (set_attr "num_insns"
-         "*,         *,         *,         *,         *,         *,
-          *,         *,
-          *,         *,         *,         *,         *,         *,
-          *,         *,         *,         *,         *,         *,
-          *")
-   (set_attr "max_prefixed_insns"
-         "*,         *,         *,         *,         *,         *,
-          *,         *,
-          *,         *,         *,         *,         *,         *,
-          *,         *,         *,         *,         *,         *,
-          *")
    (set_attr "isa"
          "*,         *,         *,         *,         *,         *,
-          p10,       p10,
+          p10,
           *,         p9v,       p7v,       p9v,       p7v,       *,
           p9v,       p9v,       p7v,       *,         *,         p7v,
           p7v")])
@@ -9363,7 +9321,7 @@
 })
 
 ;;	   GPR store   GPR load    GPR move
-;;	   XXSPLTIDP   XXSPLTI32DX
+;;	   XXSPLTIDP
 ;;	   GPR li      GPR lis     GPR pli     GPR #
 ;;	   FPR store   FPR load    FPR move
 ;;	   AVX store   AVX store   AVX load    AVX load    VSX move
@@ -9374,7 +9332,7 @@
 (define_insn "*movdi_internal64"
   [(set (match_operand:DI 0 "nonimmediate_operand"
 	  "=YZ,        r,          r,
-	   ^wa,        ^wa,
+	   ^wa,
 	   r,          r,          r,          r,
 	   m,          ^d,         ^d,
 	   wY,         Z,          $v,         $v,         ^wa,
@@ -9384,7 +9342,7 @@
 	   ?r,         ?wa")
 	(match_operand:DI 1 "input_operand"
 	  "r,          YZ,         r,
-	   eF,         eD,
+	   eF,
 	   I,          L,          eI,         nF,
 	   ^d,         m,          ^d,
 	   ^v,         $v,         wY,         Z,          ^wa,
@@ -9400,7 +9358,6 @@
    ld%U1%X1 %0,%1
    mr %0,%1
    #
-   #
    li %0,%1
    lis %0,%v1
    li %0,%1
@@ -9427,7 +9384,7 @@
    mtvsrd %x0,%1"
   [(set_attr "type"
 	  "store,      load,       *,
-	   vecperm,    vecperm,
+	   vecperm,
 	   *,          *,          *,          *,
 	   fpstore,    fpload,     fpsimple,
 	   fpstore,    fpstore,    fpload,     fpload,     veclogical,
@@ -9438,7 +9395,7 @@
    (set_attr "size" "64")
    (set_attr "length"
 	  "*,          *,          *,
-	   *,          *,
+	   *,
 	   *,          *,          *,          20,
 	   *,          *,          *,
 	   *,          *,          *,          *,          *,
@@ -9446,29 +9403,9 @@
 	   8,          *,
 	   *,          *,          *,
 	   *,          *")
-   (set_attr "num_insns"
-	  "*,          *,          *,
-	   *,          2,
-	   *,          *,          *,          *,
-	   *,          *,          *,
-	   *,          *,          *,          *,          *,
-	   *,          *,          *,          *,          *,
-	   8,          *,
-	   *,          *,          *,
-	   *,          *")
-   (set_attr "max_prefixed_insns"
-	  "*,          *,          *,
-	   *,          2,
-	   *,          *,          *,          *,
-	   *,          *,          *,
-	   *,          *,          *,          *,          *,
-	   *,          *,          *,          *,          *,
-	   8,          *,
-	   *,          *,          *,
-	   *,          *")
    (set_attr "isa"
 	  "*,          *,          *,
-	   p10,        p10,
+	   p10,
 	   *,          *,          p10,        *,
 	   *,          *,          *,
 	   p9v,        p7v,        p9v,        p7v,        *,
diff --git a/gcc/config/rs6000/rs6000.opt b/gcc/config/rs6000/rs6000.opt
index 898bc4e9e6e..c9eb78952d6 100644
--- a/gcc/config/rs6000/rs6000.opt
+++ b/gcc/config/rs6000/rs6000.opt
@@ -640,20 +640,10 @@ mprivileged
 Target Var(rs6000_privileged) Init(0)
 Generate code that will run in privileged state.
 
-;; Do not enable at this time.
-mxxsplti32dx
-Target Undocumented Var(TARGET_XXSPLTI32DX) Init(0) Save
-Generate (do not generate) XXSPLTI32DX instructions.
-
 mxxspltidp
 Target Undocumented Var(TARGET_XXSPLTIDP) Init(1) Save
 Generate (do not generate) XXSPLTIDP instructions.
 
-;; Do not enable at this time.
-mxxspltiw
-Target Undocumented Var(TARGET_XXSPLTIW) Init(0) Save
-Generate (do not generate) XXSPLTIW instructions.
-
 mlxvkq
 Target Undocumented Var(TARGET_LXVKQ) Init(1) Save
 Generate (do not generate) LXVKQ instructions.
diff --git a/gcc/config/rs6000/vsx.md b/gcc/config/rs6000/vsx.md
index cc21c454491..d7e58654ded 100644
--- a/gcc/config/rs6000/vsx.md
+++ b/gcc/config/rs6000/vsx.md
@@ -376,7 +376,6 @@
    UNSPEC_XXSPLTIW
    UNSPEC_XXSPLTIDP
    UNSPEC_XXSPLTI32DX
-   UNSPEC_XXSPLTI32DX_CONST
    UNSPEC_XXBLEND
    UNSPEC_XXPERMX
   ])
@@ -1192,19 +1191,19 @@
 ;; instruction). But generate XXLXOR/XXLORC if it will avoid a register move.
 
 ;;              VSX store  VSX load   VSX move  VSX->GPR   GPR->VSX    LQ (GPR)
-;;              XXSPLTIDP  XXSPLTIW   LXVKQ     XXSPLTI32DX
+;;              XXSPLTIDP  LXVKQ
 ;;              STQ (GPR)  GPR load   GPR store GPR move   XXSPLTIB    VSPLTISW
 ;;              VSX 0/-1   VMX const  GPR const LVX (VMX)  STVX (VMX)
 (define_insn "vsx_mov<mode>_64bit"
   [(set (match_operand:VSX_M 0 "nonimmediate_operand"
                "=ZwO,      wa,        wa,        r,         we,        ?wQ,
-                wa,        wa,        wa,        wa,
+                wa,        wa,
                 ?&r,       ??r,       ??Y,       <??r>,     wa,        v,
                 ?wa,       v,         <??r>,     wZ,        v")
 
 	(match_operand:VSX_M 1 "input_operand" 
                "wa,        ZwO,       wa,        we,        r,         r,
-                eV,        eW,        eQ,        eD,
+                eV,        eQ,
                 wQ,        Y,         r,         r,         wE,        jwM,
                 ?jwM,      W,         <nW>,      v,         wZ"))]
 
@@ -1216,44 +1215,44 @@
 }
   [(set_attr "type"
                "vecstore,  vecload,   vecsimple, mtvsr,     mfvsr,     load,
-                vecperm,   vecperm,   vecperm,   vecperm,
+                vecperm,   vecperm,
                 store,     load,      store,     *,         vecsimple, vecsimple,
                 vecsimple, *,         *,         vecstore,  vecload")
    (set_attr "num_insns"
                "*,         *,         *,         2,         *,         2,
-                *,         *,         *,         2,
+                *,         *,
                 2,         2,         2,         2,         *,         *,
                 *,         5,         2,         *,         *")
    (set_attr "max_prefixed_insns"
                "*,         *,         *,         *,         *,         2,
-                *,         *,         *,         2,
+                *,         *,
                 2,         2,         2,         2,         *,         *,
                 *,         *,         *,         *,         *")
    (set_attr "length"
                "*,         *,         *,         8,         *,         8,
-                *,         *,         *,         *,
+                *,         *,
                 8,         8,         8,         8,         *,         *,
                 *,         20,        8,         *,         *")
    (set_attr "isa"
                "<VSisa>,   <VSisa>,   <VSisa>,   *,         *,         *,
-                p10,       p10,       p10,       p10,
+                p10,       p10,
                 *,         *,         *,         *,         p9v,       *,
                 <VSisa>,   *,         *,         *,         *")])
 
 ;;              VSX store  VSX load   VSX move   GPR load   GPR store  GPR move
-;;              XXSPLTIDP  XXSPLTIW   LXVKQ      XXSPLTI32DX
+;;              XXSPLTIDP  LXVKQ
 ;;              XXSPLTIB   VSPLTISW   VSX 0/-1   VMX const  GPR const
 ;;              LVX (VMX)  STVX (VMX)
 (define_insn "*vsx_mov<mode>_32bit"
   [(set (match_operand:VSX_M 0 "nonimmediate_operand"
                "=ZwO,      wa,        wa,        ??r,       ??Y,       <??r>,
-                wa,        wa,        wa,        wa,
+                wa,        wa,
                 wa,        v,         ?wa,       v,         <??r>,
                 wZ,        v")
 
 	(match_operand:VSX_M 1 "input_operand" 
                "wa,        ZwO,       wa,        Y,         r,         r,
-                eV,        eW,        eQ,        eD,
+                eV,        eQ,
                 wE,        jwM,       ?jwM,      W,         <nW>,
                 v,         wZ"))]
 
@@ -1265,27 +1264,17 @@
 }
   [(set_attr "type"
                "vecstore,  vecload,   vecsimple, load,      store,    *,
-                vecperm,   vecperm,   vecperm,   vecperm,
+                vecperm,   vecperm,
                 vecsimple, vecsimple, vecsimple, *,         *,
                 vecstore,  vecload")
    (set_attr "length"
                "*,         *,         *,         16,        16,        16,
-                *,         *,         *,         *,
+                *,         *,
                 *,         *,         *,         20,        16,
                 *,         *")
-   (set_attr "num_insns"
-               "*,         *,         *,         *,         *,         *,
-                *,         *,         *,         2,
-                *,         *,         *,         *,         *,
-                *,         *")
-   (set_attr "length"
-               "*,         *,         *,         *,         *,         *,
-                *,         *,         *,         2,
-                *,         *,         *,         *,         *,
-                *,         *")
    (set_attr "isa"
                "<VSisa>,   <VSisa>,   <VSisa>,   *,         *,         *,
-                p10,       p10,       p10,       p10,
+                p10,       p10,
                 p9v,       *,         <VSisa>,   *,         *,
                 *,         *")])
 
@@ -6581,74 +6570,6 @@
   [(set_attr "type" "vecperm")
    (set_attr "prefixed" "yes")])
 
-;; XXSPLTI32DX used to create 64-bit constants or vector constants where the
-;; even elements match and the odd elements match.
-(define_mode_iterator XXSPLTI32DX [DI SF DF V2DF V2DI])
-
-;; Don't split DImode before register allocation, so that it has a better
-;; chance of winding up in a GPR register.
-(define_split
-  [(set (match_operand:XXSPLTI32DX 0 "vsx_register_operand")
-	(match_operand:XXSPLTI32DX 1 "easy_vector_constant_2insns"))]
-  "TARGET_POWER10 && (reload_completed || <MODE>mode != DImode)"
-  [(set (match_dup 0)
-	(unspec:XXSPLTI32DX [(match_dup 2)
-			     (match_dup 3)] UNSPEC_XXSPLTI32DX_CONST))
-   (set (match_dup 0)
-	(unspec:XXSPLTI32DX [(match_dup 0)
-			     (match_dup 4)
-			     (match_dup 5)] UNSPEC_XXSPLTI32DX_CONST))]
-{
-  long high = 0, low = 0;
-
-  xxsplti32dx_constant_immediate (operands[1], <MODE>mode, &high, &low);
-
-  /* If the low bits are 0 or all 1s, initialize that word first.  This way we
-     can use a smaller XXSPLTIB/XXLXOR/XXLORC instruction instead the first
-     XXSPLTI32DX.  */
-  if (low == 0 || low ==  -1)
-    {
-      operands[2] = const1_rtx;
-      operands[3] = GEN_INT (low);
-      operands[4] = const0_rtx;
-      operands[5] = GEN_INT (high);
-    }
-  else
-    {
-      operands[2] = const0_rtx;
-      operands[3] = GEN_INT (high);
-      operands[4] = const1_rtx;
-      operands[5] = GEN_INT (low);
-    }
-})
-
-;; First word of XXSPLTI32DX
-(define_insn "*xxsplti32dx_<mode>_first"
-  [(set (match_operand:XXSPLTI32DX 0 "vsx_register_operand" "=wa,wa,wa")
-	(unspec:XXSPLTI32DX [(match_operand 1 "u1bit_cint_operand" "n,n,n")
-			     (match_operand 2 "const_int_operand" "O,wM,n")]
-			    UNSPEC_XXSPLTI32DX_CONST))]
-  "TARGET_XXSPLTI32DX"
-  "@
-   xxlxor %x0,%x0,%x0
-   xxlorc %x0,%x0,%x0
-   xxsplti32dx %x0,%1,%2"
-  [(set_attr "type" "veclogical,veclogical,vecperm")
-   (set_attr "prefixed" "*,*,yes")])
-
-;; Second word of XXSPLTI32DX
-(define_insn "*xxsplti32dx_<mode>_second"
-  [(set (match_operand:XXSPLTI32DX 0 "vsx_register_operand" "=wa")
-	(unspec:XXSPLTI32DX [(match_operand:XXSPLTI32DX 1 "vsx_register_operand" "0")
-			     (match_operand 2 "u1bit_cint_operand" "n")
-			     (match_operand 3 "const_int_operand" "n")]
-			    UNSPEC_XXSPLTI32DX_CONST))]
-  "TARGET_XXSPLTI32DX"
-  "xxsplti32dx %x0,%2,%3"
-  [(set_attr "type" "vecperm")
-   (set_attr "prefixed" "yes")])
-
-
 ;; XXBLEND built-in function support
 (define_insn "xxblend_<mode>"
   [(set (match_operand:VM3 0 "register_operand" "=wa")
diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi
index feaa205291a..813d6316d8c 100644
--- a/gcc/doc/md.texi
+++ b/gcc/doc/md.texi
@@ -3333,9 +3333,6 @@ The integer constant zero.
 A constant whose negation is a signed 16-bit constant.
 @end ifset
 
-@item eD
-A constant that can be loaded with a pair of XXSPLTI32DX instructions.
-
 @item eF
 A 64-bit scalar constant that can be loaded with the XXSPLTIDP instruction.
 
@@ -3348,9 +3345,6 @@ An IEEE 128-bit constant that can be loaded with the LXVKQ instruction.
 @item eV
 A 128-bit vector constant that can be loaded with the XXSPLTIDP instruction.
 
-@item eW
-A vector constant that can be loaded with the XXSPLTIW instruction.
-
 @ifset INTERNALS
 @item G
 A floating point constant that can be loaded into a register with one
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-df-2.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-df-2.c
deleted file mode 100644
index 34ec3caa594..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-df-2.c
+++ /dev/null
@@ -1,24 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2 -mxxsplti32dx" } */
-
-#define M_PI		3.14159265358979323846
-#define SUBNORMAL	0x1p-149f
-
-/* Test generation of floating point constants with XXSPLTI32DX.  */
-
-double
-df_double_pi (void)
-{
-  return M_PI;			/* 2x XXSPLTI32DX.  */
-}
-
-/* This float subnormal cannot be loaded with XXSPLTIDP.  */
-
-double
-v2df_double_denorm (void)
-{
-  return SUBNORMAL;		/* XXLXOR, XXSPLTI32DX.  */
-}
-
-/* { dg-final { scan-assembler-times {\mxxsplti32dx\M} 3 } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-di-2.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-di-2.c
deleted file mode 100644
index 41b1d703fe7..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-di-2.c
+++ /dev/null
@@ -1,38 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2 -mxxsplti32dx" } */
-
-/* Test generation of integer constants loaded into the vector registers with
-   the ISA 3.1 (power10) instruction XXSPLTI32DX.  We use asm to force the
-   value into vector registers.  */
-
-#define LARGE_BITS	0x12345678ABCDEF01LL
-#define SUBNORMAL	0x8000000000000001LL
-
-/* 0x8000000000000001LL is the bit pattern for a negative subnormal value can
-   be generated with XXSPLTI32DX but not XXSLTIDP.  */
-double
-scalar_float_subnormal (void)
-{
-  /* 2x XXSPLTI32DX.  */
-  double d;
-  long long ll = SUBNORMAL;
-
-  __asm__ ("xxmr %x0,%x1" : "=wa" (d) : "wa" (ll));
-  return d;
-}
-
-/* 0x12345678ABCDEF01LL is a large constant that can be loaded with 2x
-   XXSPLTI32DX instructions.  */
-double
-scalar_large_constant (void)
-{
-  /* 2x XXSPLTI32DX.  */
-  double d;
-  long long ll = LARGE_BITS;
-
-  __asm__ ("xxmr %x0,%x1" : "=wa" (d) : "wa" (ll));
-  return d;
-}
-
-/* { dg-final { scan-assembler-times {\mxxsplti32dx\M} 4 } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v16qi.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v16qi.c
deleted file mode 100644
index 2707d86e6fd..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v16qi.c
+++ /dev/null
@@ -1,27 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2 -mxxspltiw" } */
-
-#include <altivec.h>
-
-/* Test whether XXSPLTIW is generated for V16HI vector constants where the
-   first 4 elements are the same as the next 4 elements, etc.  */
-
-vector unsigned char
-v16qi_const_1 (void)
-{
-  return (vector unsigned char) { 1, 1, 1, 1, 1, 1, 1, 1,
-				  1, 1, 1, 1, 1, 1, 1, 1, }; /* VSLTPISB.  */
-}
-
-vector unsigned char
-v16qi_const_2 (void)
-{
-  return (vector unsigned char) { 1, 2, 3, 4, 1, 2, 3, 4,
-				  1, 2, 3, 4, 1, 2, 3, 4, }; /* XXSPLTIW.  */
-}
-
-/* { dg-final { scan-assembler-times {\mxxspltiw\M}              1 } } */
-/* { dg-final { scan-assembler-times {\mvspltisb\M|\mxxspltib\M} 1 } } */
-/* { dg-final { scan-assembler-not   {\mlxvx?\M}                   } } */
-/* { dg-final { scan-assembler-not   {\mplxv\M}                    } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2df-2.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2df-2.c
deleted file mode 100644
index 3f7b0a00655..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2df-2.c
+++ /dev/null
@@ -1,24 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2 -mxxsplti32dx" } */
-
-#define M_PI		3.14159265358979323846
-#define SUBNORMAL	0x1p-149f
-
-/* Test generation of floating point constants with XXSPLTI32DX.  */
-
-vector double
-v2df_double_pi (void)
-{
-  /* 2x XXSPLTI32DX.  */
-  return (vector double) { M_PI, M_PI };
-}
-
-vector double
-v2df_double_denorm (void)
-{
-  /* XXLXOR, XXSPLTI32DX.  */
-  return (vector double) { SUBNORMAL, SUBNORMAL };
-}
-
-/* { dg-final { scan-assembler-times {\mxxsplti32dx\M} 3 } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2di-2.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2di-2.c
deleted file mode 100644
index 90027378012..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2di-2.c
+++ /dev/null
@@ -1,29 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2 -mxxsplti32dx" } */
-
-/* Test generation of integer constants loaded into the vector registers with
-   the ISA 3.1 (power10) instruction XXSPLTI32DX.  */
-
-#define LARGE_BITS	0x12345678ABCDEF01LL
-#define SUBNORMAL	0x8000000000000001LL
-
-/* 0x8000000000000001LL is the bit pattern for a negative subnormal value can
-   be generated with XXSPLTI32DX but not XXSLTIDP.  */
-vector long long
-vector_float_subnormal (void)
-{
-  /* 2x XXSPLTI32DX.  */
-  return (vector long long) { SUBNORMAL, SUBNORMAL };
-}
-
-/* 0x12345678ABCDEF01LL is a large constant that can be loaded with 2x
-   XXSPLTI32DX instructions.  */
-vector long long
-vector_large_constant (void)
-{
-  /* 2x XXSPLTI32DX.  */
-  return (vector long long) { LARGE_BITS, LARGE_BITS };
-}
-
-/* { dg-final { scan-assembler-times {\mxxsplti32dx\M} 4 } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v4sf.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v4sf.c
deleted file mode 100644
index 05d4ee3f5cb..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v4sf.c
+++ /dev/null
@@ -1,67 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2 -mxxspltiw" } */
-
-#include <altivec.h>
-
-/* Test whether XXSPLTIW is generated for V4SF vector constants.  */
-
-vector float
-v4sf_const_1 (void)
-{
-  return (vector float) { 1.0f, 1.0f, 1.0f, 1.0f };	/* XXSPLTIW.  */
-}
-
-vector float
-v4sf_const_nan (void)
-{
-  return (vector float) { __builtin_nanf (""),
-			  __builtin_nanf (""),
-			  __builtin_nanf (""),
-			  __builtin_nanf ("") };	/* XXSPLTIW.  */
-}
-
-vector float
-v4sf_const_inf (void)
-{
-  return (vector float) { __builtin_inff (),
-			  __builtin_inff (),
-			  __builtin_inff (),
-			  __builtin_inff () };		/* XXSPLTIW.  */
-}
-
-vector float
-v4sf_const_m0 (void)
-{
-  return (vector float) { -0.0f, -0.0f, -0.0f, -0.0f };	/* XXSPLTIB/VSLW.  */
-}
-
-vector float
-v4sf_splats_1 (void)
-{
-  return vec_splats (1.0f);				/* XXSPLTIW.  */
-}
-
-vector float
-v4sf_splats_nan (void)
-{
-  return vec_splats (__builtin_nanf (""));		/* XXSPLTIW.  */
-}
-
-vector float
-v4sf_splats_inf (void)
-{
-  return vec_splats (__builtin_inff ());		/* XXSPLTIW.  */
-}
-
-vector float
-v8hi_splats_m0 (void)
-{
-  return vec_splats (-0.0f);				/* XXSPLTIB/VSLW.  */
-}
-
-/* { dg-final { scan-assembler-times {\mxxspltiw\M} 6 } } */
-/* { dg-final { scan-assembler-times {\mxxspltib\M} 2 } } */
-/* { dg-final { scan-assembler-times {\mvslw\M}     2 } } */
-/* { dg-final { scan-assembler-not   {\mlxvx?\M}      } } */
-/* { dg-final { scan-assembler-not   {\mplxv\M}       } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v4si.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v4si.c
deleted file mode 100644
index da909e948b2..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v4si.c
+++ /dev/null
@@ -1,51 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2 -mxxspltiw" } */
-
-#include <altivec.h>
-
-/* Test whether XXSPLTIW is generated for V4SI vector constants.  We make sure
-   the power9 support (XXSPLTIB/VEXTSB2W) is not done.  */
-
-vector int
-v4si_const_1 (void)
-{
-  return (vector int) { 1, 1, 1, 1 };			/* VSLTPISW.  */
-}
-
-vector int
-v4si_const_126 (void)
-{
-  return (vector int) { 126, 126, 126, 126 };		/* XXSPLTIW.  */
-}
-
-vector int
-v4si_const_1023 (void)
-{
-  return (vector int) { 1023, 1023, 1023, 1023 };	/* XXSPLTIW.  */
-}
-
-vector int
-v4si_splats_1 (void)
-{
-  return vec_splats (1);				/* VSLTPISW.  */
-}
-
-vector int
-v4si_splats_126 (void)
-{
-  return vec_splats (126);				/* XXSPLTIW.  */
-}
-
-vector int
-v8hi_splats_1023 (void)
-{
-  return vec_splats (1023);				/* XXSPLTIW.  */
-}
-
-/* { dg-final { scan-assembler-times {\mxxspltiw\M}  4 } } */
-/* { dg-final { scan-assembler-times {\mvspltisw\M}  2 } } */
-/* { dg-final { scan-assembler-not   {\mxxspltib\M}    } } */
-/* { dg-final { scan-assembler-not   {\mvextsb2w\M}    } } */
-/* { dg-final { scan-assembler-not   {\mlxvx?\M}       } } */
-/* { dg-final { scan-assembler-not   {\mplxv\M}        } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v8hi.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v8hi.c
deleted file mode 100644
index 290e05d4a64..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v8hi.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2 -mxxspltiw" } */
-
-#include <altivec.h>
-
-/* Test whether XXSPLTIW is generated for V8HI vector constants.  We make sure
-   the power9 support (XXSPLTIB/VUPKLSB) is not done.  */
-
-vector short
-v8hi_const_1 (void)
-{
-  return (vector short) { 1, 1, 1, 1, 1, 1, 1, 1 };	/* VSLTPISH.  */
-}
-
-vector short
-v8hi_const_126 (void)
-{
-  return (vector short) { 126, 126, 126, 126,
-			  126, 126, 126, 126 };		/* XXSPLTIW.  */
-}
-
-vector short
-v8hi_const_1023 (void)
-{
-  return (vector short) { 1023, 1023, 1023, 1023,
-			  1023, 1023, 1023, 1023 };	/* XXSPLTIW.  */
-}
-
-vector short
-v8hi_splats_1 (void)
-{
-  return vec_splats ((short)1);				/* VSLTPISH.  */
-}
-
-vector short
-v8hi_splats_126 (void)
-{
-  return vec_splats ((short)126);			/* XXSPLTIW.  */
-}
-
-vector short
-v8hi_splats_1023 (void)
-{
-  return vec_splats ((short)1023);			/* XXSPLTIW.  */
-}
-
-/* Test that we can optimiza V8HI where all of the even elements are the same
-   and all of the odd elements are the same.  */
-vector short
-v8hi_const_1023_1000 (void)
-{
-  return (vector short) { 1023, 1000, 1023, 1000,
-			  1023, 1000, 1023, 1000 };	/* XXSPLTIW.  */
-}
-
-/* { dg-final { scan-assembler-times {\mxxspltiw\M}  5 } } */
-/* { dg-final { scan-assembler-times {\mvspltish\M}  2 } } */
-/* { dg-final { scan-assembler-not   {\mxxspltib\M}    } } */
-/* { dg-final { scan-assembler-not   {\mvupklsb\M}     } } */
-/* { dg-final { scan-assembler-not   {\mlxvx?\M}       } } */
-/* { dg-final { scan-assembler-not   {\mplxv\M}        } } */


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