Revert due to performace regression. This reverts commit 8f323c712ea76cc4506b03895e9b991e4e4b2baf.
PR target/102473 PR target/101059 --- gcc/config/i386/sse.md | 39 ++++++------------- gcc/testsuite/gcc.target/i386/sse2-pr101059.c | 32 --------------- gcc/testsuite/gcc.target/i386/sse3-pr101059.c | 13 ------- 3 files changed, 11 insertions(+), 73 deletions(-) delete mode 100644 gcc/testsuite/gcc.target/i386/sse2-pr101059.c delete mode 100644 gcc/testsuite/gcc.target/i386/sse3-pr101059.c diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md index a446dedb2ec..bb7600edbab 100644 --- a/gcc/config/i386/sse.md +++ b/gcc/config/i386/sse.md @@ -3156,36 +3156,19 @@ (define_insn "sse3_h<insn>v4sf3" (set_attr "prefix_rep" "1,*") (set_attr "mode" "V4SF")]) -(define_expand "reduc_plus_scal_v4sf" - [(plus:V4SF - (match_operand:SF 0 "register_operand") - (match_operand:V4SF 1 "register_operand"))] - "TARGET_SSE" -{ - rtx vtmp = gen_reg_rtx (V4SFmode); - rtx stmp = gen_reg_rtx (SFmode); - if (TARGET_SSE3) - emit_insn (gen_sse3_movshdup (vtmp, operands[1])); - else - emit_insn (gen_sse_shufps (vtmp, operands[1], operands[1], GEN_INT(177))); +(define_mode_iterator REDUC_SSE_PLUS_MODE + [(V2DF "TARGET_SSE") (V4SF "TARGET_SSE")]) - emit_insn (gen_addv4sf3 (operands[1], operands[1], vtmp)); - emit_insn (gen_sse_movhlps (vtmp, vtmp, operands[1])); - emit_insn (gen_vec_extractv4sfsf (stmp, vtmp, const0_rtx)); - emit_insn (gen_vec_extractv4sfsf (operands[0], operands[1], const0_rtx)); - emit_insn (gen_addsf3 (operands[0], operands[0], stmp)); - DONE; -}) - -(define_expand "reduc_plus_scal_v2df" - [(plus:V2DF - (match_operand:DF 0 "register_operand") - (match_operand:V2DF 1 "register_operand"))] - "TARGET_SSE" +(define_expand "reduc_plus_scal_<mode>" + [(plus:REDUC_SSE_PLUS_MODE + (match_operand:<ssescalarmode> 0 "register_operand") + (match_operand:REDUC_SSE_PLUS_MODE 1 "register_operand"))] + "" { - rtx tmp = gen_reg_rtx (V2DFmode); - ix86_expand_reduc (gen_addv2df3, tmp, operands[1]); - emit_insn (gen_vec_extractv2dfdf (operands[0], tmp, const0_rtx)); + rtx tmp = gen_reg_rtx (<MODE>mode); + ix86_expand_reduc (gen_add<mode>3, tmp, operands[1]); + emit_insn (gen_vec_extract<mode><ssescalarmodelower> (operands[0], tmp, + const0_rtx)); DONE; }) diff --git a/gcc/testsuite/gcc.target/i386/sse2-pr101059.c b/gcc/testsuite/gcc.target/i386/sse2-pr101059.c deleted file mode 100644 index d155bf5b43c..00000000000 --- a/gcc/testsuite/gcc.target/i386/sse2-pr101059.c +++ /dev/null @@ -1,32 +0,0 @@ -/* { dg-do run } */ -/* { dg-options "-O2 -ffast-math -msse2" } */ -/* { dg-require-effective-target sse2 } */ - -#ifndef CHECK_H -#define CHECK_H "sse2-check.h" -#endif - -#ifndef TEST -#define TEST sse2_test -#endif - -#include CHECK_H - -float -__attribute__((noipa, optimize("tree-vectorize"))) -foo (float* p) -{ - float sum = 0.f; - for (int i = 0; i != 4; i++) - sum += p[i]; - return sum; -} - -static void -TEST (void) -{ - float p[4] = {1.0f, 2.0f, 3.0f, 4.0f}; - float res = foo (p); - if (res != 10.0f) - abort(); -} diff --git a/gcc/testsuite/gcc.target/i386/sse3-pr101059.c b/gcc/testsuite/gcc.target/i386/sse3-pr101059.c deleted file mode 100644 index 4795e892883..00000000000 --- a/gcc/testsuite/gcc.target/i386/sse3-pr101059.c +++ /dev/null @@ -1,13 +0,0 @@ -/* { dg-do run } */ -/* { dg-options "-O2 -ffast-math -msse3" } */ -/* { dg-require-effective-target sse3 } */ - -#ifndef CHECK_H -#define CHECK_H "sse3-check.h" -#endif - -#ifndef TEST -#define TEST sse3_test -#endif - -#include "sse2-pr101059.c" -- 2.27.0