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* [gcc/devel/autopar_devel] rs6000: Add vector count under mask
@ 2020-08-22 21:05 Giuliano Belinassi
0 siblings, 0 replies; only message in thread
From: Giuliano Belinassi @ 2020-08-22 21:05 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:e148d04d305fcb643ce977c4f50b6be0a2390c01
commit e148d04d305fcb643ce977c4f50b6be0a2390c01
Author: Kelvin Nilsen <kelvin@gcc.gnu.org>
Date: Mon May 11 09:35:01 2020 -0500
rs6000: Add vector count under mask
Add support for new vclzdm and vctzdm vector instructions that
count leading and trailing zeros under control of a mask.
[gcc]
2020-05-11 Kelvin Nilsen <kelvin@gcc.gnu.org>
Bill Schmidt <wschmidt@linux.ibm.com>
* config/rs6000/altivec.h (vec_clzm): New macro.
(vec_ctzm): Likewise.
* config/rs6000/altivec.md (UNSPEC_VCLZDM): New constant.
(UNSPEC_VCTZDM): Likewise.
(vclzdm): New insn.
(vctzdm): Likewise.
* config/rs6000/rs6000-builtin.def (BU_FUTURE_V_0): New macro.
(BU_FUTURE_V_1): Likewise.
(BU_FUTURE_V_2): Likewise.
(BU_FUTURE_V_3): Likewise.
(__builtin_altivec_vclzdm): New builtin definition.
(__builtin_altivec_vctzdm): Likewise.
* config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Cause
_ARCH_PWR_FUTURE macro to be defined if OPTION_MASK_FUTURE flag is
set.
* config/rs6000/rs6000-call.c (builtin_function_type): Set return
value and parameter types to be unsigned for VCLZDM and VCTZDM.
* config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
support for TARGET_FUTURE flag.
* config/rs6000/rs6000.h (RS6000_BTM_FUTURE): New macro constant.
* doc/extend.texi (PowerPC Altivec Built-in Functions Available
for a Future Architecture): New subsubsection.
[gcc/testsuite]
2020-05-11 Kelvin Nilsen <kelvin@gcc.gnu.org>
* gcc.target/powerpc/vec-clzm-0.c: New test.
* gcc.target/powerpc/vec-clzm-1.c: New test.
* gcc.target/powerpc/vec-ctzm-0.c: New test.
* gcc.target/powerpc/vec-ctzm-1.c: New test.
Diff:
---
gcc/ChangeLog | 26 +++++++++++++
gcc/config/rs6000/altivec.h | 7 ++++
gcc/config/rs6000/altivec.md | 21 +++++++++++
gcc/config/rs6000/rs6000-builtin.def | 40 ++++++++++++++++++++
gcc/config/rs6000/rs6000-c.c | 2 +
gcc/config/rs6000/rs6000-call.c | 2 +
gcc/config/rs6000/rs6000.c | 3 +-
gcc/config/rs6000/rs6000.h | 2 +
gcc/doc/extend.texi | 27 ++++++++++++++
gcc/testsuite/ChangeLog | 7 ++++
gcc/testsuite/gcc.target/powerpc/vec-clzm-0.c | 54 +++++++++++++++++++++++++++
gcc/testsuite/gcc.target/powerpc/vec-clzm-1.c | 54 +++++++++++++++++++++++++++
gcc/testsuite/gcc.target/powerpc/vec-ctzm-0.c | 54 +++++++++++++++++++++++++++
gcc/testsuite/gcc.target/powerpc/vec-ctzm-1.c | 53 ++++++++++++++++++++++++++
14 files changed, 351 insertions(+), 1 deletion(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6072e78cf77..b5f64d5c03b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,29 @@
+2020-05-11 Kelvin Nilsen <kelvin@gcc.gnu.org>
+ Bill Schmidt <wschmidt@linux.ibm.com>
+
+ * config/rs6000/altivec.h (vec_clzm): New macro.
+ (vec_ctzm): Likewise.
+ * config/rs6000/altivec.md (UNSPEC_VCLZDM): New constant.
+ (UNSPEC_VCTZDM): Likewise.
+ (vclzdm): New insn.
+ (vctzdm): Likewise.
+ * config/rs6000/rs6000-builtin.def (BU_FUTURE_V_0): New macro.
+ (BU_FUTURE_V_1): Likewise.
+ (BU_FUTURE_V_2): Likewise.
+ (BU_FUTURE_V_3): Likewise.
+ (__builtin_altivec_vclzdm): New builtin definition.
+ (__builtin_altivec_vctzdm): Likewise.
+ * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Cause
+ _ARCH_PWR_FUTURE macro to be defined if OPTION_MASK_FUTURE flag is
+ set.
+ * config/rs6000/rs6000-call.c (builtin_function_type): Set return
+ value and parameter types to be unsigned for VCLZDM and VCTZDM.
+ * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
+ support for TARGET_FUTURE flag.
+ * config/rs6000/rs6000.h (RS6000_BTM_FUTURE): New macro constant.
+ * doc/extend.texi (PowerPC Altivec Built-in Functions Available
+ for a Future Architecture): New subsubsection.
+
2020-05-11 Richard Biener <rguenther@suse.de>
PR tree-optimization/94988
diff --git a/gcc/config/rs6000/altivec.h b/gcc/config/rs6000/altivec.h
index 5f1f5924488..e1e75ad0f1e 100644
--- a/gcc/config/rs6000/altivec.h
+++ b/gcc/config/rs6000/altivec.h
@@ -686,4 +686,11 @@ __altivec_scalar_pred(vec_any_nle,
to #define vec_step to __builtin_vec_step. */
#define vec_step(x) __builtin_vec_step (* (__typeof__ (x) *) 0)
+#ifdef _ARCH_PWR_FUTURE
+/* May modify these macro definitions if future capabilities overload
+ with support for different vector argument and result types. */
+#define vec_clzm(a, b) __builtin_altivec_vclzdm (a, b)
+#define vec_ctzm(a, b) __builtin_altivec_vctzdm (a, b)
+#endif
+
#endif /* _ALTIVEC_H */
diff --git a/gcc/config/rs6000/altivec.md b/gcc/config/rs6000/altivec.md
index 6b1d987913c..5ef4889ba55 100644
--- a/gcc/config/rs6000/altivec.md
+++ b/gcc/config/rs6000/altivec.md
@@ -160,6 +160,8 @@
UNSPEC_BCD_OVERFLOW
UNSPEC_VRLMI
UNSPEC_VRLNM
+ UNSPEC_VCLZDM
+ UNSPEC_VCTZDM
])
(define_c_enum "unspecv"
@@ -4096,6 +4098,25 @@
"bcd<bcd_add_sub>. %0,%1,%2,%3"
[(set_attr "type" "vecsimple")])
+(define_insn "vclzdm"
+ [(set (match_operand:V2DI 0 "altivec_register_operand" "=v")
+ (unspec:V2DI [(match_operand:V2DI 1 "altivec_register_operand" "v")
+ (match_operand:V2DI 2 "altivec_register_operand" "v")]
+ UNSPEC_VCLZDM))]
+ "TARGET_FUTURE"
+ "vclzdm %0,%1,%2"
+ [(set_attr "type" "vecsimple")])
+
+(define_insn "vctzdm"
+ [(set (match_operand:V2DI 0 "altivec_register_operand" "=v")
+ (unspec:V2DI [(match_operand:V2DI 1 "altivec_register_operand" "v")
+ (match_operand:V2DI 2 "altivec_register_operand" "v")]
+ UNSPEC_VCTZDM))]
+ "TARGET_FUTURE"
+ "vctzdm %0,%1,%2"
+ [(set_attr "type" "vecsimple")])
+
+
(define_expand "bcd<bcd_add_sub>_<code>"
[(parallel [(set (reg:CCFP CR6_REGNO)
(compare:CCFP
diff --git a/gcc/config/rs6000/rs6000-builtin.def b/gcc/config/rs6000/rs6000-builtin.def
index 54f750c8384..9293e7cf4fb 100644
--- a/gcc/config/rs6000/rs6000-builtin.def
+++ b/gcc/config/rs6000/rs6000-builtin.def
@@ -933,6 +933,42 @@
| RS6000_BTC_BINARY), \
CODE_FOR_ ## ICODE) /* ICODE */
+/* For vector builtins for instructions which may be added at some point in
+ the future that are encoded as altivec instructions, use
+ __builtin_altivec_ as the builtin name. */
+
+#define BU_FUTURE_V_0(ENUM, NAME, ATTR, ICODE) \
+ RS6000_BUILTIN_0 (FUTUREV_BUILTIN_ ## ENUM, /* ENUM */ \
+ "__builtin_altivec_" NAME, /* NAME */ \
+ RS6000_BTM_FUTURE, /* MASK */ \
+ (RS6000_BTC_ ## ATTR /* ATTR */ \
+ | RS6000_BTC_SPECIAL), \
+ CODE_FOR_ ## ICODE) /* ICODE */
+
+#define BU_FUTURE_V_1(ENUM, NAME, ATTR, ICODE) \
+ RS6000_BUILTIN_1 (FUTURE_BUILTIN_ ## ENUM, /* ENUM */ \
+ "__builtin_altivec_" NAME, /* NAME */ \
+ RS6000_BTM_FUTURE, /* MASK */ \
+ (RS6000_BTC_ ## ATTR /* ATTR */ \
+ | RS6000_BTC_UNARY), \
+ CODE_FOR_ ## ICODE) /* ICODE */
+
+#define BU_FUTURE_V_2(ENUM, NAME, ATTR, ICODE) \
+ RS6000_BUILTIN_2 (FUTURE_BUILTIN_ ## ENUM, /* ENUM */ \
+ "__builtin_altivec_" NAME, /* NAME */ \
+ RS6000_BTM_FUTURE, /* MASK */ \
+ (RS6000_BTC_ ## ATTR /* ATTR */ \
+ | RS6000_BTC_BINARY), \
+ CODE_FOR_ ## ICODE) /* ICODE */
+
+#define BU_FUTURE_V_3(ENUM, NAME, ATTR, ICODE) \
+ RS6000_BUILTIN_3 (FUTURE_BUILTIN_ ## ENUM, /* ENUM */ \
+ "__builtin_altivec_" NAME, /* NAME */ \
+ RS6000_BTM_FUTURE, /* MASK */ \
+ (RS6000_BTC_ ## ATTR /* ATTR */ \
+ | RS6000_BTC_TERNARY), \
+ CODE_FOR_ ## ICODE) /* ICODE */
+
#endif
\f
@@ -2479,6 +2515,10 @@ BU_P9_OVERLOAD_2 (CMPRB, "byte_in_range")
BU_P9_OVERLOAD_2 (CMPRB2, "byte_in_either_range")
BU_P9_OVERLOAD_2 (CMPEQB, "byte_in_set")
\f
+/* Future architecture vector built-ins. */
+BU_FUTURE_V_2 (VCLZDM, "vclzdm", CONST, vclzdm)
+BU_FUTURE_V_2 (VCTZDM, "vctzdm", CONST, vctzdm)
+\f
/* 1 argument crypto functions. */
BU_CRYPTO_1 (VSBOX, "vsbox", CONST, crypto_vsbox_v2di)
BU_CRYPTO_1 (VSBOX_BE, "vsbox_be", CONST, crypto_vsbox_v16qi)
diff --git a/gcc/config/rs6000/rs6000-c.c b/gcc/config/rs6000/rs6000-c.c
index e59eff95cf4..ee2db96f2bd 100644
--- a/gcc/config/rs6000/rs6000-c.c
+++ b/gcc/config/rs6000/rs6000-c.c
@@ -448,6 +448,8 @@ rs6000_target_modify_macros (bool define_p, HOST_WIDE_INT flags,
rs6000_define_or_undefine_macro (define_p, "_ARCH_PWR8");
if ((flags & OPTION_MASK_MODULO) != 0)
rs6000_define_or_undefine_macro (define_p, "_ARCH_PWR9");
+ if ((flags & OPTION_MASK_FUTURE) != 0)
+ rs6000_define_or_undefine_macro (define_p, "_ARCH_PWR_FUTURE");
if ((flags & OPTION_MASK_SOFT_FLOAT) != 0)
rs6000_define_or_undefine_macro (define_p, "_SOFT_FLOAT");
if ((flags & OPTION_MASK_RECIP_PRECISION) != 0)
diff --git a/gcc/config/rs6000/rs6000-call.c b/gcc/config/rs6000/rs6000-call.c
index 68164b912f0..2a4ce5bd340 100644
--- a/gcc/config/rs6000/rs6000-call.c
+++ b/gcc/config/rs6000/rs6000-call.c
@@ -12926,6 +12926,8 @@ builtin_function_type (machine_mode mode_ret, machine_mode mode_arg0,
case P8V_BUILTIN_ORC_V4SI_UNS:
case P8V_BUILTIN_ORC_V2DI_UNS:
case P8V_BUILTIN_ORC_V1TI_UNS:
+ case FUTURE_BUILTIN_VCLZDM:
+ case FUTURE_BUILTIN_VCTZDM:
h.uns_p[0] = 1;
h.uns_p[1] = 1;
h.uns_p[2] = 1;
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 355aea8628d..273a7215bc5 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -3336,7 +3336,8 @@ rs6000_builtin_mask_calculate (void)
&& TARGET_HARD_FLOAT
&& !TARGET_IEEEQUAD) ? RS6000_BTM_LDBL128 : 0)
| ((TARGET_FLOAT128_TYPE) ? RS6000_BTM_FLOAT128 : 0)
- | ((TARGET_FLOAT128_HW) ? RS6000_BTM_FLOAT128_HW : 0));
+ | ((TARGET_FLOAT128_HW) ? RS6000_BTM_FLOAT128_HW : 0)
+ | ((TARGET_FUTURE) ? RS6000_BTM_FUTURE : 0));
}
/* Implement TARGET_MD_ASM_ADJUST. All asm statements are considered
diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h
index 1adc371d70f..5603af994fa 100644
--- a/gcc/config/rs6000/rs6000.h
+++ b/gcc/config/rs6000/rs6000.h
@@ -2304,6 +2304,8 @@ extern int frame_pointer_needed;
#define RS6000_BTM_POWERPC64 MASK_POWERPC64 /* 64-bit registers. */
#define RS6000_BTM_FLOAT128 MASK_FLOAT128_KEYWORD /* IEEE 128-bit float. */
#define RS6000_BTM_FLOAT128_HW MASK_FLOAT128_HW /* IEEE 128-bit float h/w. */
+#define RS6000_BTM_FUTURE MASK_FUTURE
+
#define RS6000_BTM_COMMON (RS6000_BTM_ALTIVEC \
| RS6000_BTM_VSX \
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index 936c22e2fe7..aa8ab3a8dc5 100644
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -17645,6 +17645,7 @@ briefly described below.
* PowerPC AltiVec Built-in Functions Available on ISA 2.06::
* PowerPC AltiVec Built-in Functions Available on ISA 2.07::
* PowerPC AltiVec Built-in Functions Available on ISA 3.0::
+* PowerPC AltiVec Built-in Functions Available for a Future Architecture::
@end menu
@node PowerPC AltiVec Built-in Functions on ISA 2.05
@@ -20687,6 +20688,32 @@ void vec_xst (vector char, int, char *);
void vec_xst (vector unsigned char, int, vector unsigned char *);
void vec_xst (vector unsigned char, int, unsigned char *);
@end smallexample
+
+@node PowerPC AltiVec Built-in Functions Available for a Future Architecture
+@subsubsection PowerPC AltiVec Built-in Functions Available for a Future Architecture
+
+The following additional built-in functions are also available for the
+PowerPC family of processors, starting with a hypothetical CPU
+which may or may not be available in the future
+(@option{-mcpu=future}) or later:
+
+@smallexample
+@exdent vector unsigned long long int
+@exdent vec_clzm (vector unsigned long long int, vector unsigned long long int)
+@end smallexample
+Perform a vector count leading zeros under bit mask operation, as if
+implemented by the Future @code{vclzdm} instruction.
+@findex vec_clzm
+
+@smallexample
+@exdent vector unsigned long long int
+@exdent vec_ctzm (vector unsigned long long int, vector unsigned long long int)
+@end smallexample
+Perform a vector count trailing zeros under bit mask operation, as if
+implemented by the Future @code{vctzdm} instruction.
+@findex vec_ctzm
+
+
@node PowerPC Hardware Transactional Memory Built-in Functions
@subsection PowerPC Hardware Transactional Memory Built-in Functions
GCC provides two interfaces for accessing the Hardware Transactional
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a79cdb561dd..db274eed95a 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -23,6 +23,13 @@
* gcc.target/aarch64/csinv-neg.c: New test.
+2020-05-11 Kelvin Nilsen <kelvin@gcc.gnu.org>
+
+ * gcc.target/powerpc/vec-clzm-0.c: New test.
+ * gcc.target/powerpc/vec-clzm-1.c: New test.
+ * gcc.target/powerpc/vec-ctzm-0.c: New test.
+ * gcc.target/powerpc/vec-ctzm-1.c: New test.
+
2020-05-11 Kelvin Nilsen <kelvin@gcc.gnu.org>
* gcc.target/powerpc/dg-future-0.c: New.
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-clzm-0.c b/gcc/testsuite/gcc.target/powerpc/vec-clzm-0.c
new file mode 100644
index 00000000000..099c5dc99bf
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/vec-clzm-0.c
@@ -0,0 +1,54 @@
+/* { dg-do compile } */
+/* { dg-options "-mdejagnu-cpu=future" } */
+
+#include <altivec.h>
+
+extern void abort (void);
+
+vector unsigned long long int
+do_vec_clzm (vector unsigned long long int source,
+ vector unsigned long long int mask)
+{
+ return vec_clzm (source, mask);
+}
+
+int main (int argc, char *argv [])
+{
+ vector unsigned long long int source_a = { 0xa5f07e3cull, 0x7e3ca5f0ull };
+ vector unsigned long long int source_b = { 0x3ca5f07eull, 0x5a0fe7c3ull };
+
+ vector unsigned long long int mask_a = { 0xffff0000ull, 0x0000ffffull };
+ vector unsigned long long int mask_b = { 0x0f0f0f0full, 0xf0f0f0f0ull };
+
+ /* See cntlzdm-0.c for derivation of expected results.
+
+ result_aa [0] is compute (source [0], mask [0];
+ result_aa [1] is compute (source [1], mask [1].
+
+ result_ab [0] is compute (source [0], mask [2];
+ result_ab [1] is compute (source [1], mask [3].
+
+ result_ba [0] is compute (source [2], mask [0];
+ result_ba [1] is compute (source [3], mask [1].
+
+ result_bb [0] is compute (source [2], mask [2];
+ result_bb [1] is compute (source [3], mask [3]. */
+
+ vector unsigned long long int result_aa = { 0, 0 };
+ vector unsigned long long int result_ab = { 1, 1 };
+ vector unsigned long long int result_ba = { 2, 0 };
+ vector unsigned long long int result_bb = { 0, 1 };
+
+ if (!vec_all_eq (do_vec_clzm (source_a, mask_a), result_aa))
+ abort ();
+ if (!vec_all_eq (do_vec_clzm (source_a, mask_b), result_ab))
+ abort ();
+ if (!vec_all_eq (do_vec_clzm (source_b, mask_a), result_ba))
+ abort ();
+ if (!vec_all_eq (do_vec_clzm (source_b, mask_b), result_bb))
+ abort ();
+
+ return 0;
+}
+
+/* { dg-final { scan-assembler {\mvclzdm\M} } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-clzm-1.c b/gcc/testsuite/gcc.target/powerpc/vec-clzm-1.c
new file mode 100644
index 00000000000..43b86114487
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/vec-clzm-1.c
@@ -0,0 +1,54 @@
+/* { dg-do run } */
+/* { dg-require-effective-target powerpc_future_hw } */
+/* { dg-options "-mdejagnu-cpu=future" } */
+
+#include <altivec.h>
+
+extern void abort (void);
+
+vector unsigned long long int
+do_vec_clzm (vector unsigned long long int source,
+ vector unsigned long long int mask)
+{
+ return vec_clzm (source, mask);
+}
+
+int main (int argc, char *argv [])
+{
+ vector unsigned long long int source_a = { 0xa5f07e3cull, 0x7e3ca5f0ull };
+ vector unsigned long long int source_b = { 0x3ca5f07eull, 0x5a0fe7c3ull };
+
+ vector unsigned long long int mask_a = { 0xffff0000ull, 0x0000ffffull };
+ vector unsigned long long int mask_b = { 0x0f0f0f0full, 0xf0f0f0f0ull };
+
+ /* See cntlzdm-0.c for derivation of expected results.
+
+ result_aa [0] is compute (source [0], mask [0];
+ result_aa [1] is compute (source [1], mask [1].
+
+ result_ab [0] is compute (source [0], mask [2];
+ result_ab [1] is compute (source [1], mask [3].
+
+ result_ba [0] is compute (source [2], mask [0];
+ result_ba [1] is compute (source [3], mask [1].
+
+ result_bb [0] is compute (source [2], mask [2];
+ result_bb [1] is compute (source [3], mask [3]. */
+
+ vector unsigned long long int result_aa = { 0, 0 };
+ vector unsigned long long int result_ab = { 1, 1 };
+ vector unsigned long long int result_ba = { 2, 0 };
+ vector unsigned long long int result_bb = { 0, 1 };
+
+ if (!vec_all_eq (do_vec_clzm (source_a, mask_a), result_aa))
+ abort ();
+ if (!vec_all_eq (do_vec_clzm (source_a, mask_b), result_ab))
+ abort ();
+ if (!vec_all_eq (do_vec_clzm (source_b, mask_a), result_ba))
+ abort ();
+ if (!vec_all_eq (do_vec_clzm (source_b, mask_b), result_bb))
+ abort ();
+
+ return 0;
+}
+
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-ctzm-0.c b/gcc/testsuite/gcc.target/powerpc/vec-ctzm-0.c
new file mode 100644
index 00000000000..315edf4d4cd
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/vec-ctzm-0.c
@@ -0,0 +1,54 @@
+/* { dg-do compile } */
+/* { dg-options "-mdejagnu-cpu=future" } */
+
+#include <altivec.h>
+
+extern void abort (void);
+
+vector unsigned long long int
+do_vec_ctzm (vector unsigned long long int source,
+ vector unsigned long long int mask)
+{
+ return vec_ctzm (source, mask);
+}
+
+int main (int argc, char *argv [])
+{
+ vector unsigned long long int source_a = { 0xa5f07e3cull, 0x7e3ca5f0ull };
+ vector unsigned long long int source_b = { 0x3ca5f07eull, 0x5a0fe7c3ull };
+
+ vector unsigned long long int mask_a = { 0xffff0000ull, 0x0000ffffull };
+ vector unsigned long long int mask_b = { 0x0f0f0f0full, 0xf0f0f0f0ull };
+
+ /* See cnttzdm-0.c for derivation of expected results.
+
+ result_aa [0] is compute (source [0], mask [0];
+ result_aa [1] is compute (source [1], mask [1].
+
+ result_ab [0] is compute (source [0], mask [2];
+ result_ab [1] is compute (source [1], mask [3].
+
+ result_ba [0] is compute (source [2], mask [0];
+ result_ba [1] is compute (source [3], mask [1].
+
+ result_bb [0] is compute (source [2], mask [2];
+ result_bb [1] is compute (source [3], mask [3]. */
+
+ vector unsigned long long int result_aa = { 4, 4 };
+ vector unsigned long long int result_ab = { 2, 0 };
+ vector unsigned long long int result_ba = { 0, 0 };
+ vector unsigned long long int result_bb = { 1, 2 };
+
+ if (!vec_all_eq (do_vec_ctzm (source_a, mask_a), result_aa))
+ abort ();
+ if (!vec_all_eq (do_vec_ctzm (source_a, mask_b), result_ab))
+ abort ();
+ if (!vec_all_eq (do_vec_ctzm (source_b, mask_a),result_ba))
+ abort ();
+ if (!vec_all_eq (do_vec_ctzm (source_b, mask_b), result_bb))
+ abort ();
+
+ return 0;
+}
+
+/* { dg-final { scan-assembler {\mvctzdm\M} } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-ctzm-1.c b/gcc/testsuite/gcc.target/powerpc/vec-ctzm-1.c
new file mode 100644
index 00000000000..3dc4a03ab09
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/vec-ctzm-1.c
@@ -0,0 +1,53 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target powerpc_future_hw } */
+/* { dg-options "-mdejagnu-cpu=future" } */
+
+#include <altivec.h>
+
+extern void abort (void);
+
+vector unsigned long long int
+do_vec_ctzm (vector unsigned long long int source,
+ vector unsigned long long int mask)
+{
+ return vec_ctzm (source, mask);
+}
+
+int main (int argc, char *argv [])
+{
+ vector unsigned long long int source_a = { 0xa5f07e3cull, 0x7e3ca5f0ull };
+ vector unsigned long long int source_b = { 0x3ca5f07eull, 0x5a0fe7c3ull };
+
+ vector unsigned long long int mask_a = { 0xffff0000ull, 0x0000ffffull };
+ vector unsigned long long int mask_b = { 0x0f0f0f0full, 0xf0f0f0f0ull };
+
+ /* See cnttzdm-0.c for derivation of expected results.
+
+ result_aa [0] is compute (source [0], mask [0];
+ result_aa [1] is compute (source [1], mask [1].
+
+ result_ab [0] is compute (source [0], mask [2];
+ result_ab [1] is compute (source [1], mask [3].
+
+ result_ba [0] is compute (source [2], mask [0];
+ result_ba [1] is compute (source [3], mask [1].
+
+ result_bb [0] is compute (source [2], mask [2];
+ result_bb [1] is compute (source [3], mask [3]. */
+
+ vector unsigned long long int result_aa = { 4, 4 };
+ vector unsigned long long int result_ab = { 2, 0 };
+ vector unsigned long long int result_ba = { 0, 0 };
+ vector unsigned long long int result_bb = { 1, 2 };
+
+ if (!vec_all_eq (do_vec_ctzm (source_a, mask_a), result_aa))
+ abort ();
+ if (!vec_all_eq (do_vec_ctzm (source_a, mask_b), result_ab))
+ abort ();
+ if (!vec_all_eq (do_vec_ctzm (source_b, mask_a),result_ba))
+ abort ();
+ if (!vec_all_eq (do_vec_ctzm (source_b, mask_b), result_bb))
+ abort ();
+
+ return 0;
+}
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2020-08-22 21:05 [gcc/devel/autopar_devel] rs6000: Add vector count under mask Giuliano Belinassi
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