https://gcc.gnu.org/g:b6a06e4a909946cecbe42081cf18d50b419c9c5c
commit b6a06e4a909946cecbe42081cf18d50b419c9c5c
Author: Michael Meissner <meiss...@linux.ibm.com>
Date: Wed Aug 14 14:02:33 2024 -0400
Revert changes
Diff:
---
gcc/config/rs6000/vsx.md | 18 ------------------
gcc/testsuite/gcc.target/powerpc/builtins-1.c | 2 +-
gcc/testsuite/gcc.target/powerpc/pr99293.c | 22 ----------------------
3 files changed, 1 insertion(+), 41 deletions(-)
diff --git a/gcc/config/rs6000/vsx.md b/gcc/config/rs6000/vsx.md
index 6e8cd041f3b8..7892477fa922 100644
--- a/gcc/config/rs6000/vsx.md
+++ b/gcc/config/rs6000/vsx.md
@@ -4797,24 +4797,6 @@
"lxvdsx %x0,%y1"
[(set_attr "type" "vecload")])
-;; Optimize SPLAT of an extract from a V2DF/V2DI vector with a constant element
-(define_insn "*vsx_splat_extract_<mode>"
- [(set (match_operand:VSX_D 0 "vsx_register_operand" "=wa")
- (vec_duplicate:VSX_D
- (vec_select:<VEC_base>
- (match_operand:VSX_D 1 "vsx_register_operand" "wa")
- (parallel [(match_operand 2 "const_0_to_1_operand" "n")]))))]
- "VECTOR_MEM_VSX_P (<MODE>mode)"
-{
- int which_word = INTVAL (operands[2]);
- if (!BYTES_BIG_ENDIAN)
- which_word = 1 - which_word;
-
- operands[3] = GEN_INT (which_word ? 3 : 0);
- return "xxpermdi %x0,%x1,%x1,%3";
-}
- [(set_attr "type" "vecperm")])
-
;; V4SI splat support
(define_insn "vsx_splat_v4si"
[(set (match_operand:V4SI 0 "vsx_register_operand" "=wa,wa")
diff --git a/gcc/testsuite/gcc.target/powerpc/builtins-1.c
b/gcc/testsuite/gcc.target/powerpc/builtins-1.c
index 1f81f492ad61..8410a5fd4319 100644
--- a/gcc/testsuite/gcc.target/powerpc/builtins-1.c
+++ b/gcc/testsuite/gcc.target/powerpc/builtins-1.c
@@ -1035,4 +1035,4 @@ foo156 (vector unsigned short usa)
/* { dg-final { scan-assembler-times {\mvmrglb\M} 3 } } */
/* { dg-final { scan-assembler-times {\mvmrgew\M} 4 } } */
/* { dg-final { scan-assembler-times {\mvsplth|xxsplth\M} 4 } } */
-/* { dg-final { scan-assembler-times {\mxxpermdi\M} 34 } } */
+/* { dg-final { scan-assembler-times {\mxxpermdi\M} 44 } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/pr99293.c
b/gcc/testsuite/gcc.target/powerpc/pr99293.c
deleted file mode 100644
index 20adc1f27f65..000000000000
--- a/gcc/testsuite/gcc.target/powerpc/pr99293.c
+++ /dev/null
@@ -1,22 +0,0 @@
-/* { dg-do compile { target powerpc*-*-* } } */
-/* { dg-require-effective-target powerpc_vsx_ok } */
-/* { dg-options "-O2 -mvsx" } */
-
-/* Test for PR 99263, which wants to do:
- __builtin_vec_splats (__builtin_vec_extract (v, n))
-
- where v is a V2DF or V2DI vector and n is either 0 or 1. Previously the
- compiler would do a direct move to the GPR registers to select the item and
a
- direct move from the GPR registers to do the splat. */
-
-vector long long splat_dup_l_0 (vector long long v)
-{
- return __builtin_vec_splats (__builtin_vec_extract (v, 0));
-}
-
-vector long long splat_dup_l_1 (vector long long v)
-{
- return __builtin_vec_splats (__builtin_vec_extract (v, 1));
-}
-
-/* { dg-final { scan-assembler-times "xxpermdi" 2 } } */
