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| author | Hongyu Wang <hongyu.wang@intel.com> | 2021-09-18 13:56:37 +0800 |
|---|---|---|
| committer | liuhongt <hongtao.liu@intel.com> | 2021-09-23 17:05:02 +0800 |
| commit | fccd8855ed4ed9d1cc0e55fc1758b3288468657e (patch) | |
| tree | 8e704dc8b8a806e4ab6ab82a7f7c48cf011922ac /gcc | |
| parent | 1041111f19849da29117a0e962ce7ad5262a4403 (diff) | |
| download | gcc-fccd8855ed4ed9d1cc0e55fc1758b3288468657e.zip gcc-fccd8855ed4ed9d1cc0e55fc1758b3288468657e.tar.gz gcc-fccd8855ed4ed9d1cc0e55fc1758b3288468657e.tar.bz2 | |
AVX512FP16: Add expander for smin/maxhf3.
gcc/ChangeLog:
* config/i386/i386.md (<code>hf3): New expander.
gcc/testsuite/ChangeLog:
* gcc.target/i386/avx512fp16-builtin-minmax-1.c: New test.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/i386/i386.md | 11 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/avx512fp16-builtin-minmax-1.c | 35 |
2 files changed, 46 insertions, 0 deletions
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index 4b13a59..a087e55 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -19946,6 +19946,17 @@ (set_attr "type" "sseadd") (set_attr "mode" "<MODE>")]) +(define_insn "<code>hf3" + [(set (match_operand:HF 0 "register_operand" "=v") + (smaxmin:HF + (match_operand:HF 1 "nonimmediate_operand" "%v") + (match_operand:HF 2 "nonimmediate_operand" "vm")))] + "TARGET_AVX512FP16" + "v<maxmin_float>sh\t{%2, %1, %0|%0, %1, %2}" + [(set_attr "prefix" "evex") + (set_attr "type" "sseadd") + (set_attr "mode" "HF")]) + ;; These versions of the min/max patterns implement exactly the operations ;; min = (op1 < op2 ? op1 : op2) ;; max = (!(op1 < op2) ? op1 : op2) diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16-builtin-minmax-1.c b/gcc/testsuite/gcc.target/i386/avx512fp16-builtin-minmax-1.c new file mode 100644 index 0000000..90080e4 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/avx512fp16-builtin-minmax-1.c @@ -0,0 +1,35 @@ +/* { dg-do compile } */ +/* { dg-options "-Ofast -mavx512fp16 -mprefer-vector-width=512" } */ + +_Float16 +minf1 (_Float16 a, _Float16 b) +{ + return __builtin_fminf16 (a, b); +} + +void +minf2 (_Float16* __restrict psrc1, _Float16* __restrict psrc2, + _Float16* __restrict pdst) +{ + for (int i = 0; i != 32; i++) + pdst[i] = __builtin_fminf16 (psrc1[i], psrc2[i]); +} + +_Float16 +maxf1 (_Float16 a, _Float16 b) +{ + return __builtin_fmaxf16 (a, b); +} + +void +maxf2 (_Float16* __restrict psrc1, _Float16* __restrict psrc2, + _Float16* __restrict pdst) +{ + for (int i = 0; i != 32; i++) + pdst[i] = __builtin_fmaxf16 (psrc1[i], psrc2[i]); +} + +/* { dg-final { scan-assembler-times "vmaxsh\[^\n\r\]*xmm\[0-9\]" 1 } } */ +/* { dg-final { scan-assembler-times "vmaxph\[^\n\r\]*zmm\[0-9\]" 1 } } */ +/* { dg-final { scan-assembler-times "vminsh\[^\n\r\]*xmm\[0-9\]" 1 } } */ +/* { dg-final { scan-assembler-times "vminph\[^\n\r\]*zmm\[0-9\]" 1 } } */ |