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| author | Uros Bizjak <ubizjak@gmail.com> | 2018-05-10 16:50:59 +0200 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2018-05-10 16:50:59 +0200 |
| commit | c7b7749d9f2c68ca4f9cda52b21ef690aef009bd (patch) | |
| tree | e5bce445248ae5698961d4c5422a981f75c4609f /gcc | |
| parent | 6c4578da00267f279333154dc0b0bba391fe878a (diff) | |
| download | gcc-c7b7749d9f2c68ca4f9cda52b21ef690aef009bd.zip gcc-c7b7749d9f2c68ca4f9cda52b21ef690aef009bd.tar.gz gcc-c7b7749d9f2c68ca4f9cda52b21ef690aef009bd.tar.bz2 | |
re PR tree-optimization/85693 (Generation of SAD (Sum of Absolute Difference) instruction)
PR target/85693
* config/i386/sse.md (usadv64qi): New expander.
From-SVN: r260117
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/i386/sse.md | 15 |
2 files changed, 20 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0bb6bd2..9b4684c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2018-05-10 Uros Bizjak <ubizjak@gmail.com> + + PR target/85693 + * config/i386/sse.md (usadv64qi): New expander. + 2018-05-10 Segher Boessenkool <segher@kernel.crashing.org> * config/rs6000/altivec.md (altivec_vmrghb, altivec_vmrghh, diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md index ae6294e..0e625a4 100644 --- a/gcc/config/i386/sse.md +++ b/gcc/config/i386/sse.md @@ -10878,6 +10878,21 @@ DONE; }) +(define_expand "usadv64qi" + [(match_operand:V16SI 0 "register_operand") + (match_operand:V64QI 1 "register_operand") + (match_operand:V64QI 2 "nonimmediate_operand") + (match_operand:V16SI 3 "nonimmediate_operand")] + "TARGET_AVX512BW" +{ + rtx t1 = gen_reg_rtx (V8DImode); + rtx t2 = gen_reg_rtx (V16SImode); + emit_insn (gen_avx512f_psadbw (t1, operands[1], operands[2])); + convert_move (t2, t1, 0); + emit_insn (gen_addv16si3 (operands[0], t2, operands[3])); + DONE; +}) + (define_insn "<mask_codefor>ashr<mode>3<mask_name>" [(set (match_operand:VI248_AVX512BW_1 0 "register_operand" "=v,v") (ashiftrt:VI248_AVX512BW_1 |