https://gcc.gnu.org/g:4b4bcc55e5a0f454ba5c559af58c0e224ddce3d8
commit 4b4bcc55e5a0f454ba5c559af58c0e224ddce3d8
Author: Michael Meissner <meiss...@linux.ibm.com>
Date: Sun Nov 17 23:39:05 2024 -0500
Revert changes
Diff:
---
gcc/config/rs6000/rs6000.md | 46 ------------------
gcc/testsuite/gcc.target/powerpc/pr108958.c | 73 -----------------------------
2 files changed, 119 deletions(-)
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index bfb02b07ef4e..d266f93ff2e4 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -1026,52 +1026,6 @@
(set_attr "dot" "yes")
(set_attr "length" "4,8")])
-(define_insn_and_split "zero_extendditi2"
- [(set (match_operand:TI 0 "gpc_reg_operand" "=r,wa,&wa")
- (zero_extend:TI
- (match_operand:DI 1 "gpc_reg_operand" "rwa,r,wa")))]
- "TARGET_P9_VECTOR && TARGET_POWERPC64"
- "@
- #
- mtvsrdd %x0,0,%1
- #"
- "&& reload_completed
- && (int_reg_operand (operands[0], TImode)
- || vsx_register_operand (operands[1], DImode))"
- [(set (match_dup 2)
- (match_dup 3))
- (set (match_dup 4)
- (match_dup 5))]
-{
- rtx op0 = operands[0];
- rtx op1 = operands[1];
- int r = reg_or_subregno (op0);
-
- if (int_reg_operand (op0, TImode))
- {
- int lo = BYTES_BIG_ENDIAN ? 1 : 0;
- int hi = 1 - lo;
-
- operands[2] = gen_rtx_REG (DImode, r + lo);
- operands[3] = op1;
- operands[4] = gen_rtx_REG (DImode, r + hi);
- operands[5] = const0_rtx;
- }
- else
- {
- rtx op0_di = gen_rtx_REG (DImode, r);
- rtx op0_v2di = gen_rtx_REG (V2DImode, r);
- rtx lo = WORDS_BIG_ENDIAN ? op1 : op0_di;
- rtx hi = WORDS_BIG_ENDIAN ? op0_di : op1;
-
- operands[2] = op0_v2di;
- operands[3] = CONST0_RTX (V2DImode);
- operands[4] = op0_v2di;
- operands[5] = gen_rtx_VEC_CONCAT (V2DImode, hi, lo);
- }
-}
- [(set_attr "type" "*,mtvsr,vecperm")
- (set_attr "length" "8,*,8")])
(define_insn "extendqi<mode>2"
[(set (match_operand:EXTQI 0 "gpc_reg_operand" "=r,?*v")
diff --git a/gcc/testsuite/gcc.target/powerpc/pr108958.c
b/gcc/testsuite/gcc.target/powerpc/pr108958.c
deleted file mode 100644
index 52a969507cb1..000000000000
--- a/gcc/testsuite/gcc.target/powerpc/pr108958.c
+++ /dev/null
@@ -1,73 +0,0 @@
-/* { dg-do compile } */
-/* { dg-require-effective-target int128 } */
-/* { dg-require-effective-target lp64 } */
-/* { dg-options "-mdejagnu-cpu=power9 -O2" } */
-
-/* PR target/108958, use mtvsrdd to zero extend gpr to vsx register. */
-
-union u {
- double d;
- unsigned long long u64;
-};
-
-void
-gpr_to_vsx (unsigned long long x, __uint128_t *p)
-{
- /* mtvsrdd vsx,0,gpr. */
- __uint128_t y = x;
- __asm__ (" # %x0" : "+wa" (y));
- *p = y;
-}
-
-void
-vsx_to_vsx (double d, __uint128_t *p)
-{
- unsigned long long x;
- __uint128_t y;
- union u u2;
-
- u2.d = d;
- x = u2.u64;
-
- __asm__ (" # %x0" : "+wa" (x));
-
- /* xxspltib and xxpermdi. */
- y = x;
- __asm__ (" # %x0" : "+wa" (y));
-
- *p = y;
-}
-
-void
-gpr_to_gpr (unsigned long long x, __uint128_t *p)
-{
- /* mr and li. */
- __uint128_t y = x;
- __asm__ (" # %0" : "+r" (y));
- *p = y;
-}
-
-void
-vsx_to_gpr (double d, __uint128_t *p)
-{
- unsigned long long x;
- __uint128_t y;
- union u u2;
-
- u2.d = d;
- x = u2.u64;
-
- __asm__ (" # %x0" : "+wa" (x));
-
- /* mfvsrd and li. */
- y = x;
- __asm__ (" # %0" : "+r" (y));
-
- *p = y;
-}
-
-/* { dg-final { scan-assembler-times {\mli\M} 2 } } */
-/* { dg-final { scan-assembler-times {\mmfvsrd\M} 1 } } */
-/* { dg-final { scan-assembler-times {\mmtvsrd\M} 1 } } */
-/* { dg-final { scan-assembler-times {\mmtvsrdd .*,0,.*\M} 1 } } */
-/* { dg-final { scan-assembler-times {\mxxpermdi\M} 1 } } */
