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* [gcc(refs/users/meissner/heads/work055)] Revert patches.
@ 2021-06-08 16:07 Michael Meissner
  0 siblings, 0 replies; 2+ messages in thread
From: Michael Meissner @ 2021-06-08 16:07 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:d08d42edf728f40a176b703f1f2abee4f2fa3875

commit d08d42edf728f40a176b703f1f2abee4f2fa3875
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Tue Jun 8 12:06:21 2021 -0400

    Revert patches.
    
    gcc/
    2021-06-08 Michael Meissner  <meissner@linux.ibm.com>
    
            Revert patch.
            * config/rs6000/rs6000.c (rs6000_maybe_emit_fp_cmove): Add IEEE
            128-bit floating point conditional move support.
            (have_compare_and_set_mask): Add IEEE 128-bit floating point
            types.
            * config/rs6000/rs6000.md (mov<mode>cc, IEEE128 iterator): New insn.
            (mov<mode>cc_p10, IEEE128 iterator): New insn.
            (mov<mode>cc_invert_p10, IEEE128 iterator): New insn.
            (fpmask<mode>, IEEE128 iterator): New insn.
            (xxsel<mode>, IEEE128 iterator): New insn.
    
    gcc/testsuite/
    2021-06-08  Michael Meissner  <meissner@linux.ibm.com>
    
            Revert patch.
            * gcc.target/powerpc/float128-cmove.c: New test.
            * gcc.target/powerpc/float128-minmax-3.c: New test.
    
    gcc/
    2021-06-08  Michael Meissner  <meissner@linux.ibm.com>
    
            Revert patch.
            * config/rs6000/rs6000.c (rs6000_emit_minmax): Add support for ISA
            3.1 IEEE 128-bit floating point xsmaxcqp and xsmincqp
            instructions.
            * config/rs6000/rs6000.md (s<minmax><mode>3, IEEE128 iterator):
            New insns.
    
    gcc/testsuite/
    2021-06-08  Michael Meissner  <meissner@linux.ibm.com>
    
            Revert patch.
            * gcc.target/powerpc/float128-minmax-2.c: New test.
            * gcc.target/powerpc/float128-minmax.c: Adjust expected code for
            power10.
            * lib/target-supports.exp (check_effective_target_has_arch_pwr10):
            New target support.

Diff:
---
 gcc/config/rs6000/rs6000.c                         |  39 +------
 gcc/config/rs6000/rs6000.md                        | 117 ---------------------
 gcc/testsuite/gcc.target/powerpc/float128-cmove.c  |  58 ----------
 .../gcc.target/powerpc/float128-minmax-2.c         |  15 ---
 .../gcc.target/powerpc/float128-minmax-3.c         |  14 ---
 gcc/testsuite/gcc.target/powerpc/float128-minmax.c |  19 ----
 gcc/testsuite/lib/target-supports.exp              |  10 --
 7 files changed, 3 insertions(+), 269 deletions(-)

diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index b856aa78166..b01bb5c8191 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -15698,8 +15698,8 @@ rs6000_emit_vector_cond_expr (rtx dest, rtx op_true, rtx op_false,
   return 1;
 }
 
-/* Possibly emit the xsmaxc{dp,qp} and xsminc{dp,qp} instructions to emit a
-   maximum or minimum with "C" semantics.
+/* Possibly emit the xsmaxcdp and xsmincdp instructions to emit a maximum or
+   minimum with "C" semantics.
 
    Unless you use -ffast-math, you can't use these instructions to replace
    conditions that implicitly reverse the condition because the comparison
@@ -15775,7 +15775,6 @@ rs6000_maybe_emit_fp_cmove (rtx dest, rtx op, rtx true_cond, rtx false_cond)
   enum rtx_code code = GET_CODE (op);
   rtx op0 = XEXP (op, 0);
   rtx op1 = XEXP (op, 1);
-  machine_mode compare_mode = GET_MODE (op0);
   machine_mode result_mode = GET_MODE (dest);
   rtx compare_rtx;
   rtx cmove_rtx;
@@ -15784,33 +15783,6 @@ rs6000_maybe_emit_fp_cmove (rtx dest, rtx op, rtx true_cond, rtx false_cond)
   if (!can_create_pseudo_p ())
     return 0;
 
-  /* We allow the comparison to be either SFmode/DFmode and the true/false
-     condition to be either SFmode/DFmode.  I.e. we allow:
-
-	float a, b;
-	double c, d, r;
-
-	r = (a == b) ? c : d;
-
-    and:
-
-	double a, b;
-	float c, d, r;
-
-	r = (a == b) ? c : d;
-
-    but we don't allow intermixing the IEEE 128-bit floating point types with
-    the 32/64-bit scalar types.
-
-    It gets too messy where SFmode/DFmode can use any register and TFmode/KFmode
-    can only use Altivec registers.  In addtion, we would need to do a XXPERMDI
-    if we compare SFmode/DFmode and move TFmode/KFmode.  */
-
-  if (!(compare_mode == result_mode
-	|| (compare_mode == SFmode && result_mode == DFmode)
-	|| (compare_mode == DFmode && result_mode == SFmode)))
-    return false;
-
   switch (code)
     {
     case EQ:
@@ -15863,10 +15835,6 @@ have_compare_and_set_mask (machine_mode mode)
     case E_DFmode:
       return TARGET_P9_MINMAX;
 
-    case E_KFmode:
-    case E_TFmode:
-      return TARGET_POWER10 && TARGET_FLOAT128_HW && FLOAT128_IEEE_P (mode);
-
     default:
       break;
     }
@@ -16135,8 +16103,7 @@ rs6000_emit_minmax (rtx dest, enum rtx_code code, rtx op0, rtx op1)
   /* VSX/altivec have direct min/max insns.  */
   if ((code == SMAX || code == SMIN)
       && (VECTOR_UNIT_ALTIVEC_OR_VSX_P (mode)
-	  || (mode == SFmode && VECTOR_UNIT_VSX_P (DFmode))
-	  || (TARGET_POWER10 && TARGET_FLOAT128_HW && FLOAT128_IEEE_P (mode))))
+	  || (mode == SFmode && VECTOR_UNIT_VSX_P (DFmode))))
     {
       emit_insn (gen_rtx_SET (dest, gen_rtx_fmt_ee (code, mode, op0, op1)));
       return;
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index ff87d8c6eaa..3f59b544f6a 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -5214,17 +5214,6 @@
 }
   [(set_attr "type" "fp")])
 
-;; Min/max for ISA 3.1 IEEE 128-bit floating point
-(define_insn "s<minmax><mode>3"
-  [(set (match_operand:IEEE128 0 "altivec_register_operand" "=v")
-	(fp_minmax:IEEE128
-	 (match_operand:IEEE128 1 "altivec_register_operand" "v")
-	 (match_operand:IEEE128 2 "altivec_register_operand" "v")))]
-  "TARGET_POWER10"
-  "xs<minmax>cqp %0,%1,%2"
-  [(set_attr "type" "vecfloat")
-   (set_attr "size" "128")])
-
 ;; The conditional move instructions allow us to perform max and min operations
 ;; even when we don't have the appropriate max/min instruction using the FSEL
 ;; instruction.
@@ -5449,112 +5438,6 @@
   "xxsel %x0,%x4,%x3,%x1"
   [(set_attr "type" "vecmove")])
 
-;; Support for ISA 3.1 IEEE 128-bit conditional move.  The mode used in the
-;; comparison must be the same as used in the conditional move.
-(define_expand "mov<mode>cc"
-   [(set (match_operand:IEEE128 0 "gpc_reg_operand")
-	 (if_then_else:IEEE128 (match_operand 1 "comparison_operator")
-			       (match_operand:IEEE128 2 "gpc_reg_operand")
-			       (match_operand:IEEE128 3 "gpc_reg_operand")))]
-  "TARGET_POWER10 && TARGET_FLOAT128_HW && FLOAT128_IEEE_P (<MODE>mode)"
-{
-  if (rs6000_emit_cmove (operands[0], operands[1], operands[2], operands[3]))
-    DONE;
-  else
-    FAIL;
-})
-
-(define_insn_and_split "*mov<mode>cc_p10"
-  [(set (match_operand:IEEE128 0 "altivec_register_operand" "=&v,v")
-	(if_then_else:IEEE128
-	 (match_operator:CCFP 1 "fpmask_comparison_operator"
-		[(match_operand:IEEE128 2 "altivec_register_operand" "v,v")
-		 (match_operand:IEEE128 3 "altivec_register_operand" "v,v")])
-	 (match_operand:IEEE128 4 "altivec_register_operand" "v,v")
-	 (match_operand:IEEE128 5 "altivec_register_operand" "v,v")))
-   (clobber (match_scratch:V2DI 6 "=0,&v"))]
-  "TARGET_POWER10 && TARGET_FLOAT128_HW && FLOAT128_IEEE_P (<MODE>mode)"
-  "#"
-  "&& 1"
-  [(set (match_dup 6)
-	(if_then_else:V2DI (match_dup 1)
-			   (match_dup 7)
-			   (match_dup 8)))
-   (set (match_dup 0)
-	(if_then_else:IEEE128 (ne (match_dup 6)
-				  (match_dup 8))
-			      (match_dup 4)
-			      (match_dup 5)))]
-{
-  if (GET_CODE (operands[6]) == SCRATCH)
-    operands[6] = gen_reg_rtx (V2DImode);
-
-  operands[7] = CONSTM1_RTX (V2DImode);
-  operands[8] = CONST0_RTX (V2DImode);
-}
- [(set_attr "length" "8")
-  (set_attr "type" "vecperm")])
-
-;; Handle inverting the fpmask comparisons.
-(define_insn_and_split "*mov<mode>cc_invert_p10"
-  [(set (match_operand:IEEE128 0 "altivec_register_operand" "=&v,v")
-	(if_then_else:IEEE128
-	 (match_operator:CCFP 1 "invert_fpmask_comparison_operator"
-		[(match_operand:IEEE128 2 "altivec_register_operand" "v,v")
-		 (match_operand:IEEE128 3 "altivec_register_operand" "v,v")])
-	 (match_operand:IEEE128 4 "altivec_register_operand" "v,v")
-	 (match_operand:IEEE128 5 "altivec_register_operand" "v,v")))
-   (clobber (match_scratch:V2DI 6 "=0,&v"))]
-  "TARGET_POWER10 && TARGET_FLOAT128_HW && FLOAT128_IEEE_P (<MODE>mode)"
-  "#"
-  "&& 1"
-  [(set (match_dup 6)
-	(if_then_else:V2DI (match_dup 9)
-			   (match_dup 7)
-			   (match_dup 8)))
-   (set (match_dup 0)
-	(if_then_else:IEEE128 (ne (match_dup 6)
-				  (match_dup 8))
-			      (match_dup 5)
-			      (match_dup 4)))]
-{
-  rtx op1 = operands[1];
-  enum rtx_code cond = reverse_condition_maybe_unordered (GET_CODE (op1));
-
-  if (GET_CODE (operands[6]) == SCRATCH)
-    operands[6] = gen_reg_rtx (V2DImode);
-
-  operands[7] = CONSTM1_RTX (V2DImode);
-  operands[8] = CONST0_RTX (V2DImode);
-
-  operands[9] = gen_rtx_fmt_ee (cond, CCFPmode, operands[2], operands[3]);
-}
- [(set_attr "length" "8")
-  (set_attr "type" "vecperm")])
-
-(define_insn "*fpmask<mode>"
-  [(set (match_operand:V2DI 0 "altivec_register_operand" "=v")
-	(if_then_else:V2DI
-	 (match_operator:CCFP 1 "fpmask_comparison_operator"
-		[(match_operand:IEEE128 2 "altivec_register_operand" "v")
-		 (match_operand:IEEE128 3 "altivec_register_operand" "v")])
-	 (match_operand:V2DI 4 "all_ones_constant" "")
-	 (match_operand:V2DI 5 "zero_constant" "")))]
-  "TARGET_POWER10 && TARGET_FLOAT128_HW && FLOAT128_IEEE_P (<MODE>mode)"
-  "xscmp%V1qp %0,%2,%3"
-  [(set_attr "type" "fpcompare")])
-
-(define_insn "*xxsel<mode>"
-  [(set (match_operand:IEEE128 0 "altivec_register_operand" "=v")
-	(if_then_else:IEEE128
-	 (ne (match_operand:V2DI 1 "altivec_register_operand" "v")
-	     (match_operand:V2DI 2 "zero_constant" ""))
-	 (match_operand:IEEE128 3 "altivec_register_operand" "v")
-	 (match_operand:IEEE128 4 "altivec_register_operand" "v")))]
-  "TARGET_POWER10 && TARGET_FLOAT128_HW && FLOAT128_IEEE_P (<MODE>mode)"
-  "xxsel %x0,%x4,%x3,%x1"
-  [(set_attr "type" "vecmove")])
-
 \f
 ;; Conversions to and from floating-point.
 
diff --git a/gcc/testsuite/gcc.target/powerpc/float128-cmove.c b/gcc/testsuite/gcc.target/powerpc/float128-cmove.c
deleted file mode 100644
index 2fae8dc23bc..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/float128-cmove.c
+++ /dev/null
@@ -1,58 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target ppc_float128_hw } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2" } */
-
-#ifndef TYPE
-#ifdef __LONG_DOUBLE_IEEE128__
-#define TYPE long double
-
-#else
-#define TYPE _Float128
-#endif
-#endif
-
-/* Verify that the ISA 3.1 (power10) IEEE 128-bit conditional move instructions
-   are generated.  */
-
-TYPE
-eq (TYPE a, TYPE b, TYPE c, TYPE d)
-{
-  return (a == b) ? c : d;
-}
-
-TYPE
-ne (TYPE a, TYPE b, TYPE c, TYPE d)
-{
-  return (a != b) ? c : d;
-}
-
-TYPE
-lt (TYPE a, TYPE b, TYPE c, TYPE d)
-{
-  return (a < b) ? c : d;
-}
-
-TYPE
-le (TYPE a, TYPE b, TYPE c, TYPE d)
-{
-  return (a <= b) ? c : d;
-}
-
-TYPE
-gt (TYPE a, TYPE b, TYPE c, TYPE d)
-{
-  return (a > b) ? c : d;
-}
-
-TYPE
-ge (TYPE a, TYPE b, TYPE c, TYPE d)
-{
-  return (a >= b) ? c : d;
-}
-
-/* { dg-final { scan-assembler-times {\mxscmpeqqp\M} 2 } } */
-/* { dg-final { scan-assembler-times {\mxscmpgeqp\M} 2 } } */
-/* { dg-final { scan-assembler-times {\mxscmpgtqp\M} 2 } } */
-/* { dg-final { scan-assembler-times {\mxxsel\M}     6 } } */
-/* { dg-final { scan-assembler-not   {\mxscmpuqp\M}    } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/float128-minmax-2.c b/gcc/testsuite/gcc.target/powerpc/float128-minmax-2.c
deleted file mode 100644
index c71ba08c9f8..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/float128-minmax-2.c
+++ /dev/null
@@ -1,15 +0,0 @@
-/* { dg-require-effective-target ppc_float128_hw } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2 -ffast-math" } */
-
-#ifndef TYPE
-#define TYPE _Float128
-#endif
-
-/* Test that the fminf128/fmaxf128 functions generate if/then/else and not a
-   call.  */
-TYPE f128_min (TYPE a, TYPE b) { return __builtin_fminf128 (a, b); }
-TYPE f128_max (TYPE a, TYPE b) { return __builtin_fmaxf128 (a, b); }
-
-/* { dg-final { scan-assembler {\mxsmaxcqp\M} } } */
-/* { dg-final { scan-assembler {\mxsmincqp\M} } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/float128-minmax-3.c b/gcc/testsuite/gcc.target/powerpc/float128-minmax-3.c
deleted file mode 100644
index 628b44b45a5..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/float128-minmax-3.c
+++ /dev/null
@@ -1,14 +0,0 @@
-/* { dg-require-effective-target ppc_float128_hw } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2" } */
-
-#ifndef TYPE
-#define TYPE _Float128
-#endif
-
-/* Test that the fminf128/fmaxf128 functions generate xsmincqp and xsmaxcqp.  */
-TYPE f128_min (TYPE a, TYPE b) { return (a < b) ? a : b; }
-TYPE f128_max (TYPE a, TYPE b) { return (b > a) ? b : a; }
-
-/* { dg-final { scan-assembler {\mxsmaxcqp\M} } } */
-/* { dg-final { scan-assembler {\mxsmincqp\M} } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/float128-minmax.c b/gcc/testsuite/gcc.target/powerpc/float128-minmax.c
deleted file mode 100644
index ba6fd996d72..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/float128-minmax.c
+++ /dev/null
@@ -1,19 +0,0 @@
-/* { dg-do compile { target lp64 } } */
-/* { dg-require-effective-target powerpc_p9vector_ok } */
-/* { dg-require-effective-target float128 } */
-/* { dg-options "-O2 -ffast-math" } */
-
-#ifndef TYPE
-#define TYPE _Float128
-#endif
-
-/* Test that the fminf128/fmaxf128 functions generate if/then/else and not a
-   call.  */
-TYPE f128_min (TYPE a, TYPE b) { return __builtin_fminf128 (a, b); }
-TYPE f128_max (TYPE a, TYPE b) { return __builtin_fmaxf128 (a, b); }
-
-/* Note power10 has native min/max instructions.  */
-/* { dg-final { scan-assembler-times {\mxscmpuqp\M} 2 { target { ! has_arch_pwr10 } } } } */
-/* { dg-final { scan-assembler-times {\mxsmincqp\M} 1 { target {   has_arch_pwr10 } } } } */
-/* { dg-final { scan-assembler-times {\mxsmaxcqp\M} 1 { target {   has_arch_pwr10 } } } } */
-/* { dg-final { scan-assembler-not   {\mbl\M}       } } */
diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index 789723fb287..7f78c5593ac 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -6127,16 +6127,6 @@ proc check_effective_target_has_arch_pwr9 { } {
 	}]
 }
 
-proc check_effective_target_has_arch_pwr10 { } {
-	return [check_no_compiler_messages arch_pwr10 assembly {
-		#ifndef _ARCH_PWR10
-		#error does not have power10 support.
-		#else
-		/* "has power10 support" */
-		#endif
-	}]
-}
-
 # Return 1 if this is a PowerPC target supporting -mcpu=power10.
 # Limit this to 64-bit linux systems for now until other targets support
 # power10.


^ permalink raw reply	[flat|nested] 2+ messages in thread

* [gcc(refs/users/meissner/heads/work055)] Revert patches.
@ 2021-06-08 19:44 Michael Meissner
  0 siblings, 0 replies; 2+ messages in thread
From: Michael Meissner @ 2021-06-08 19:44 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:ba294c307dca3c95fa9ccfdbf398ac65727d61ba

commit ba294c307dca3c95fa9ccfdbf398ac65727d61ba
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Tue Jun 8 15:43:41 2021 -0400

    Revert patches.
    
    gcc/
    2021-06-08 Michael Meissner  <meissner@linux.ibm.com>
    
            Revert patch.
            * config/rs6000/rs6000.c (rs6000_maybe_emit_fp_cmove): Add IEEE
            128-bit floating point conditional move support.
            (have_compare_and_set_mask): Add IEEE 128-bit floating point
            types.
            * config/rs6000/rs6000.md (mov<mode>cc, IEEE128 iterator): New insn.
            (mov<mode>cc_p10, IEEE128 iterator): New insn.
            (mov<mode>cc_invert_p10, IEEE128 iterator): New insn.
            (fpmask<mode>, IEEE128 iterator): New insn.
            (xxsel<mode>, IEEE128 iterator): New insn.
    
    gcc/
    2021-06-08  Michael Meissner  <meissner@linux.ibm.com>
    
            Revert patch.
            * config/rs6000/rs6000.c (rs6000_emit_minmax): Add support for ISA
            3.1 IEEE 128-bit floating point xsmaxcqp and xsmincqp
            instructions.
            * config/rs6000/rs6000.md (s<minmax><mode>3, IEEE128 iterator):
            New insns.
    
    gcc/testsuite/
    2021-06-08  Michael Meissner  <meissner@linux.ibm.com>
    
            Revert patch.
            * gcc.target/powerpc/float128-minmax-2.c: New test.
            * gcc.target/powerpc/float128-minmax.c: Adjust expected code for
            power10.
            * lib/target-supports.exp (check_effective_target_has_arch_pwr10):
            New target support.

Diff:
---
 gcc/config/rs6000/rs6000.c                         |  39 +------
 gcc/config/rs6000/rs6000.md                        | 117 ---------------------
 gcc/testsuite/gcc.target/powerpc/float128-cmove.c  |  58 ----------
 .../gcc.target/powerpc/float128-minmax-2.c         |  15 ---
 .../gcc.target/powerpc/float128-minmax-3.c         |  14 ---
 gcc/testsuite/gcc.target/powerpc/float128-minmax.c |   8 +-
 gcc/testsuite/lib/target-supports.exp              |  10 --
 7 files changed, 6 insertions(+), 255 deletions(-)

diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index b856aa78166..b01bb5c8191 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -15698,8 +15698,8 @@ rs6000_emit_vector_cond_expr (rtx dest, rtx op_true, rtx op_false,
   return 1;
 }
 
-/* Possibly emit the xsmaxc{dp,qp} and xsminc{dp,qp} instructions to emit a
-   maximum or minimum with "C" semantics.
+/* Possibly emit the xsmaxcdp and xsmincdp instructions to emit a maximum or
+   minimum with "C" semantics.
 
    Unless you use -ffast-math, you can't use these instructions to replace
    conditions that implicitly reverse the condition because the comparison
@@ -15775,7 +15775,6 @@ rs6000_maybe_emit_fp_cmove (rtx dest, rtx op, rtx true_cond, rtx false_cond)
   enum rtx_code code = GET_CODE (op);
   rtx op0 = XEXP (op, 0);
   rtx op1 = XEXP (op, 1);
-  machine_mode compare_mode = GET_MODE (op0);
   machine_mode result_mode = GET_MODE (dest);
   rtx compare_rtx;
   rtx cmove_rtx;
@@ -15784,33 +15783,6 @@ rs6000_maybe_emit_fp_cmove (rtx dest, rtx op, rtx true_cond, rtx false_cond)
   if (!can_create_pseudo_p ())
     return 0;
 
-  /* We allow the comparison to be either SFmode/DFmode and the true/false
-     condition to be either SFmode/DFmode.  I.e. we allow:
-
-	float a, b;
-	double c, d, r;
-
-	r = (a == b) ? c : d;
-
-    and:
-
-	double a, b;
-	float c, d, r;
-
-	r = (a == b) ? c : d;
-
-    but we don't allow intermixing the IEEE 128-bit floating point types with
-    the 32/64-bit scalar types.
-
-    It gets too messy where SFmode/DFmode can use any register and TFmode/KFmode
-    can only use Altivec registers.  In addtion, we would need to do a XXPERMDI
-    if we compare SFmode/DFmode and move TFmode/KFmode.  */
-
-  if (!(compare_mode == result_mode
-	|| (compare_mode == SFmode && result_mode == DFmode)
-	|| (compare_mode == DFmode && result_mode == SFmode)))
-    return false;
-
   switch (code)
     {
     case EQ:
@@ -15863,10 +15835,6 @@ have_compare_and_set_mask (machine_mode mode)
     case E_DFmode:
       return TARGET_P9_MINMAX;
 
-    case E_KFmode:
-    case E_TFmode:
-      return TARGET_POWER10 && TARGET_FLOAT128_HW && FLOAT128_IEEE_P (mode);
-
     default:
       break;
     }
@@ -16135,8 +16103,7 @@ rs6000_emit_minmax (rtx dest, enum rtx_code code, rtx op0, rtx op1)
   /* VSX/altivec have direct min/max insns.  */
   if ((code == SMAX || code == SMIN)
       && (VECTOR_UNIT_ALTIVEC_OR_VSX_P (mode)
-	  || (mode == SFmode && VECTOR_UNIT_VSX_P (DFmode))
-	  || (TARGET_POWER10 && TARGET_FLOAT128_HW && FLOAT128_IEEE_P (mode))))
+	  || (mode == SFmode && VECTOR_UNIT_VSX_P (DFmode))))
     {
       emit_insn (gen_rtx_SET (dest, gen_rtx_fmt_ee (code, mode, op0, op1)));
       return;
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index ff87d8c6eaa..3f59b544f6a 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -5214,17 +5214,6 @@
 }
   [(set_attr "type" "fp")])
 
-;; Min/max for ISA 3.1 IEEE 128-bit floating point
-(define_insn "s<minmax><mode>3"
-  [(set (match_operand:IEEE128 0 "altivec_register_operand" "=v")
-	(fp_minmax:IEEE128
-	 (match_operand:IEEE128 1 "altivec_register_operand" "v")
-	 (match_operand:IEEE128 2 "altivec_register_operand" "v")))]
-  "TARGET_POWER10"
-  "xs<minmax>cqp %0,%1,%2"
-  [(set_attr "type" "vecfloat")
-   (set_attr "size" "128")])
-
 ;; The conditional move instructions allow us to perform max and min operations
 ;; even when we don't have the appropriate max/min instruction using the FSEL
 ;; instruction.
@@ -5449,112 +5438,6 @@
   "xxsel %x0,%x4,%x3,%x1"
   [(set_attr "type" "vecmove")])
 
-;; Support for ISA 3.1 IEEE 128-bit conditional move.  The mode used in the
-;; comparison must be the same as used in the conditional move.
-(define_expand "mov<mode>cc"
-   [(set (match_operand:IEEE128 0 "gpc_reg_operand")
-	 (if_then_else:IEEE128 (match_operand 1 "comparison_operator")
-			       (match_operand:IEEE128 2 "gpc_reg_operand")
-			       (match_operand:IEEE128 3 "gpc_reg_operand")))]
-  "TARGET_POWER10 && TARGET_FLOAT128_HW && FLOAT128_IEEE_P (<MODE>mode)"
-{
-  if (rs6000_emit_cmove (operands[0], operands[1], operands[2], operands[3]))
-    DONE;
-  else
-    FAIL;
-})
-
-(define_insn_and_split "*mov<mode>cc_p10"
-  [(set (match_operand:IEEE128 0 "altivec_register_operand" "=&v,v")
-	(if_then_else:IEEE128
-	 (match_operator:CCFP 1 "fpmask_comparison_operator"
-		[(match_operand:IEEE128 2 "altivec_register_operand" "v,v")
-		 (match_operand:IEEE128 3 "altivec_register_operand" "v,v")])
-	 (match_operand:IEEE128 4 "altivec_register_operand" "v,v")
-	 (match_operand:IEEE128 5 "altivec_register_operand" "v,v")))
-   (clobber (match_scratch:V2DI 6 "=0,&v"))]
-  "TARGET_POWER10 && TARGET_FLOAT128_HW && FLOAT128_IEEE_P (<MODE>mode)"
-  "#"
-  "&& 1"
-  [(set (match_dup 6)
-	(if_then_else:V2DI (match_dup 1)
-			   (match_dup 7)
-			   (match_dup 8)))
-   (set (match_dup 0)
-	(if_then_else:IEEE128 (ne (match_dup 6)
-				  (match_dup 8))
-			      (match_dup 4)
-			      (match_dup 5)))]
-{
-  if (GET_CODE (operands[6]) == SCRATCH)
-    operands[6] = gen_reg_rtx (V2DImode);
-
-  operands[7] = CONSTM1_RTX (V2DImode);
-  operands[8] = CONST0_RTX (V2DImode);
-}
- [(set_attr "length" "8")
-  (set_attr "type" "vecperm")])
-
-;; Handle inverting the fpmask comparisons.
-(define_insn_and_split "*mov<mode>cc_invert_p10"
-  [(set (match_operand:IEEE128 0 "altivec_register_operand" "=&v,v")
-	(if_then_else:IEEE128
-	 (match_operator:CCFP 1 "invert_fpmask_comparison_operator"
-		[(match_operand:IEEE128 2 "altivec_register_operand" "v,v")
-		 (match_operand:IEEE128 3 "altivec_register_operand" "v,v")])
-	 (match_operand:IEEE128 4 "altivec_register_operand" "v,v")
-	 (match_operand:IEEE128 5 "altivec_register_operand" "v,v")))
-   (clobber (match_scratch:V2DI 6 "=0,&v"))]
-  "TARGET_POWER10 && TARGET_FLOAT128_HW && FLOAT128_IEEE_P (<MODE>mode)"
-  "#"
-  "&& 1"
-  [(set (match_dup 6)
-	(if_then_else:V2DI (match_dup 9)
-			   (match_dup 7)
-			   (match_dup 8)))
-   (set (match_dup 0)
-	(if_then_else:IEEE128 (ne (match_dup 6)
-				  (match_dup 8))
-			      (match_dup 5)
-			      (match_dup 4)))]
-{
-  rtx op1 = operands[1];
-  enum rtx_code cond = reverse_condition_maybe_unordered (GET_CODE (op1));
-
-  if (GET_CODE (operands[6]) == SCRATCH)
-    operands[6] = gen_reg_rtx (V2DImode);
-
-  operands[7] = CONSTM1_RTX (V2DImode);
-  operands[8] = CONST0_RTX (V2DImode);
-
-  operands[9] = gen_rtx_fmt_ee (cond, CCFPmode, operands[2], operands[3]);
-}
- [(set_attr "length" "8")
-  (set_attr "type" "vecperm")])
-
-(define_insn "*fpmask<mode>"
-  [(set (match_operand:V2DI 0 "altivec_register_operand" "=v")
-	(if_then_else:V2DI
-	 (match_operator:CCFP 1 "fpmask_comparison_operator"
-		[(match_operand:IEEE128 2 "altivec_register_operand" "v")
-		 (match_operand:IEEE128 3 "altivec_register_operand" "v")])
-	 (match_operand:V2DI 4 "all_ones_constant" "")
-	 (match_operand:V2DI 5 "zero_constant" "")))]
-  "TARGET_POWER10 && TARGET_FLOAT128_HW && FLOAT128_IEEE_P (<MODE>mode)"
-  "xscmp%V1qp %0,%2,%3"
-  [(set_attr "type" "fpcompare")])
-
-(define_insn "*xxsel<mode>"
-  [(set (match_operand:IEEE128 0 "altivec_register_operand" "=v")
-	(if_then_else:IEEE128
-	 (ne (match_operand:V2DI 1 "altivec_register_operand" "v")
-	     (match_operand:V2DI 2 "zero_constant" ""))
-	 (match_operand:IEEE128 3 "altivec_register_operand" "v")
-	 (match_operand:IEEE128 4 "altivec_register_operand" "v")))]
-  "TARGET_POWER10 && TARGET_FLOAT128_HW && FLOAT128_IEEE_P (<MODE>mode)"
-  "xxsel %x0,%x4,%x3,%x1"
-  [(set_attr "type" "vecmove")])
-
 \f
 ;; Conversions to and from floating-point.
 
diff --git a/gcc/testsuite/gcc.target/powerpc/float128-cmove.c b/gcc/testsuite/gcc.target/powerpc/float128-cmove.c
deleted file mode 100644
index 2fae8dc23bc..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/float128-cmove.c
+++ /dev/null
@@ -1,58 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target ppc_float128_hw } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2" } */
-
-#ifndef TYPE
-#ifdef __LONG_DOUBLE_IEEE128__
-#define TYPE long double
-
-#else
-#define TYPE _Float128
-#endif
-#endif
-
-/* Verify that the ISA 3.1 (power10) IEEE 128-bit conditional move instructions
-   are generated.  */
-
-TYPE
-eq (TYPE a, TYPE b, TYPE c, TYPE d)
-{
-  return (a == b) ? c : d;
-}
-
-TYPE
-ne (TYPE a, TYPE b, TYPE c, TYPE d)
-{
-  return (a != b) ? c : d;
-}
-
-TYPE
-lt (TYPE a, TYPE b, TYPE c, TYPE d)
-{
-  return (a < b) ? c : d;
-}
-
-TYPE
-le (TYPE a, TYPE b, TYPE c, TYPE d)
-{
-  return (a <= b) ? c : d;
-}
-
-TYPE
-gt (TYPE a, TYPE b, TYPE c, TYPE d)
-{
-  return (a > b) ? c : d;
-}
-
-TYPE
-ge (TYPE a, TYPE b, TYPE c, TYPE d)
-{
-  return (a >= b) ? c : d;
-}
-
-/* { dg-final { scan-assembler-times {\mxscmpeqqp\M} 2 } } */
-/* { dg-final { scan-assembler-times {\mxscmpgeqp\M} 2 } } */
-/* { dg-final { scan-assembler-times {\mxscmpgtqp\M} 2 } } */
-/* { dg-final { scan-assembler-times {\mxxsel\M}     6 } } */
-/* { dg-final { scan-assembler-not   {\mxscmpuqp\M}    } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/float128-minmax-2.c b/gcc/testsuite/gcc.target/powerpc/float128-minmax-2.c
deleted file mode 100644
index c71ba08c9f8..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/float128-minmax-2.c
+++ /dev/null
@@ -1,15 +0,0 @@
-/* { dg-require-effective-target ppc_float128_hw } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2 -ffast-math" } */
-
-#ifndef TYPE
-#define TYPE _Float128
-#endif
-
-/* Test that the fminf128/fmaxf128 functions generate if/then/else and not a
-   call.  */
-TYPE f128_min (TYPE a, TYPE b) { return __builtin_fminf128 (a, b); }
-TYPE f128_max (TYPE a, TYPE b) { return __builtin_fmaxf128 (a, b); }
-
-/* { dg-final { scan-assembler {\mxsmaxcqp\M} } } */
-/* { dg-final { scan-assembler {\mxsmincqp\M} } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/float128-minmax-3.c b/gcc/testsuite/gcc.target/powerpc/float128-minmax-3.c
deleted file mode 100644
index 628b44b45a5..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/float128-minmax-3.c
+++ /dev/null
@@ -1,14 +0,0 @@
-/* { dg-require-effective-target ppc_float128_hw } */
-/* { dg-require-effective-target power10_ok } */
-/* { dg-options "-mdejagnu-cpu=power10 -O2" } */
-
-#ifndef TYPE
-#define TYPE _Float128
-#endif
-
-/* Test that the fminf128/fmaxf128 functions generate xsmincqp and xsmaxcqp.  */
-TYPE f128_min (TYPE a, TYPE b) { return (a < b) ? a : b; }
-TYPE f128_max (TYPE a, TYPE b) { return (b > a) ? b : a; }
-
-/* { dg-final { scan-assembler {\mxsmaxcqp\M} } } */
-/* { dg-final { scan-assembler {\mxsmincqp\M} } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/float128-minmax.c b/gcc/testsuite/gcc.target/powerpc/float128-minmax.c
index 9d3f5203ada..fe397518f2f 100644
--- a/gcc/testsuite/gcc.target/powerpc/float128-minmax.c
+++ b/gcc/testsuite/gcc.target/powerpc/float128-minmax.c
@@ -1,5 +1,6 @@
+/* { dg-do compile { target lp64 } } */
 /* { dg-require-effective-target powerpc_p9vector_ok } */
-/* { dg-require-effective-target ppc_float128_hw } */
+/* { dg-require-effective-target float128 } */
 /* { dg-options "-mpower9-vector -O2 -ffast-math" } */
 
 #ifndef TYPE
@@ -11,8 +12,5 @@
 TYPE f128_min (TYPE a, TYPE b) { return __builtin_fminf128 (a, b); }
 TYPE f128_max (TYPE a, TYPE b) { return __builtin_fmaxf128 (a, b); }
 
-/* Adjust code power10 which has native min/max instructions.  */
-/* { dg-final { scan-assembler     {\mxscmpuqp\M} } { target { ! has_arch_pwr10 } } } */
-/* { dg-final { scan-assembler     {\mxsmincqp\M} } { target {   has_arch_pwr10 } } } */
-/* { dg-final { scan-assembler     {\mxsmaxcqp\M} } { target {   has_arch_pwr10 } } } */
+/* { dg-final { scan-assembler     {\mxscmpuqp\M} } } */
 /* { dg-final { scan-assembler-not {\mbl\M}       } } */
diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index 789723fb287..7f78c5593ac 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -6127,16 +6127,6 @@ proc check_effective_target_has_arch_pwr9 { } {
 	}]
 }
 
-proc check_effective_target_has_arch_pwr10 { } {
-	return [check_no_compiler_messages arch_pwr10 assembly {
-		#ifndef _ARCH_PWR10
-		#error does not have power10 support.
-		#else
-		/* "has power10 support" */
-		#endif
-	}]
-}
-
 # Return 1 if this is a PowerPC target supporting -mcpu=power10.
 # Limit this to 64-bit linux systems for now until other targets support
 # power10.


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