[gcc(refs/users/meissner/heads/work054)] Revert patch.

[Michael Meissner]

https://gcc.gnu.org/g:1a84132bf750119cbea37668d3c43c155e2b5cf9

commit 1a84132bf750119cbea37668d3c43c155e2b5cf9
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Fri Jun 4 20:16:11 2021 -0400

    Revert patch.
    
    gcc/
    2021-06-04  Michael Meissner  <meissner@linux.ibm.com>
    
            Revert patch.
            PR target/99293
            * config/rs6000/vsx.md (vsx_splat_extract_<mode): New insn.
    
    gcc/testsuite/
    2021-06-04  Michael Meissner  <meissner@linux.ibm.com>
    
            Revert patch.
            PR target/99293
            * gcc.target/powerpc/pr99293.c: New test.

Diff:
---
 gcc/config/rs6000/vsx.md                   | 18 ------------------
 gcc/testsuite/gcc.target/powerpc/pr99293.c | 20 --------------------
 2 files changed, 38 deletions(-)

diff --git a/gcc/config/rs6000/vsx.md b/gcc/config/rs6000/vsx.md
index ecad45a43d1..b49d5b44573 100644
--- a/gcc/config/rs6000/vsx.md
+++ b/gcc/config/rs6000/vsx.md
@@ -5020,24 +5020,6 @@
   "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:<VS_scalar>
-	  (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" "=we,we")
diff --git a/gcc/testsuite/gcc.target/powerpc/pr99293.c b/gcc/testsuite/gcc.target/powerpc/pr99293.c
deleted file mode 100644
index 7e2ba6aef10..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/pr99293.c
+++ /dev/null
@@ -1,20 +0,0 @@
-/* { dg-do compile { target powerpc*-*-* } } */
-/* { dg-require-effective-target powerpc_vsx_ok } */
-/* { dg-options "-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.  */
-
-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 } } */