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| author | liuhongt <hongtao.liu@intel.com> | 2023-06-01 15:08:02 +0800 |
|---|---|---|
| committer | liuhongt <hongtao.liu@intel.com> | 2023-06-03 08:09:07 +0800 |
| commit | 49337040865269e13cdc2ead276d12ecb2e9f606 (patch) | |
| tree | 159f559a7f03baa24c2a6e485dce6385eb323832 | |
| parent | 64ca6aa74b6b5a9737f3808bf4a947dd5c122d47 (diff) | |
| download | gcc-49337040865269e13cdc2ead276d12ecb2e9f606.zip gcc-49337040865269e13cdc2ead276d12ecb2e9f606.tar.gz gcc-49337040865269e13cdc2ead276d12ecb2e9f606.tar.bz2 | |
i386: Add missing vector truncate patterns [PR92658].
Add missing insn patterns for v2si -> v2hi/v2qi and v2hi-> v2qi vector
truncate.
gcc/ChangeLog:
PR target/92658
* config/i386/mmx.md (truncv2hiv2qi2): New define_insn.
(truncv2si<mode>2): Ditto.
gcc/testsuite/ChangeLog:
* gcc.target/i386/pr92658-avx512bw-trunc-2.c: New test.
| -rw-r--r-- | gcc/config/i386/mmx.md | 21 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr92658-avx512bw-trunc-2.c | 27 |
2 files changed, 48 insertions, 0 deletions
diff --git a/gcc/config/i386/mmx.md b/gcc/config/i386/mmx.md index dbcb850..6fbe390 100644 --- a/gcc/config/i386/mmx.md +++ b/gcc/config/i386/mmx.md @@ -3667,6 +3667,27 @@ DONE; }) +(define_insn "truncv2hiv2qi2" + [(set (match_operand:V2QI 0 "register_operand" "=v") + (truncate:V2QI + (match_operand:V2HI 1 "register_operand" "v")))] + "TARGET_AVX512VL && TARGET_AVX512BW" + "vpmovwb\t{%1, %0|%0, %1}" + [(set_attr "type" "ssemov") + (set_attr "prefix" "evex") + (set_attr "mode" "TI")]) + +(define_mode_iterator V2QI_V2HI [V2QI V2HI]) +(define_insn "truncv2si<mode>2" + [(set (match_operand:V2QI_V2HI 0 "register_operand" "=v") + (truncate:V2QI_V2HI + (match_operand:V2SI 1 "register_operand" "v")))] + "TARGET_AVX512VL && TARGET_MMX_WITH_SSE" + "vpmovd<mmxvecsize>\t{%1, %0|%0, %1}" + [(set_attr "type" "ssemov") + (set_attr "prefix" "evex") + (set_attr "mode" "TI")]) + ;; Pack/unpack vector modes (define_mode_attr mmxpackmode [(V4HI "V8QI") (V2SI "V4HI")]) diff --git a/gcc/testsuite/gcc.target/i386/pr92658-avx512bw-trunc-2.c b/gcc/testsuite/gcc.target/i386/pr92658-avx512bw-trunc-2.c new file mode 100644 index 0000000..2f5b7dc --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr92658-avx512bw-trunc-2.c @@ -0,0 +1,27 @@ +/* PR target/92658 */ +/* { dg-do compile } */ +/* { dg-options "-O2 -mavx512bw -mavx512vl" } */ +/* { dg-final { scan-assembler-times "vpmovwb" 1 } } */ +/* { dg-final { scan-assembler-times "vpmovdb" 1 { target { ! ia32 } } } } */ +/* { dg-final { scan-assembler-times "vpmovdw" 1 { target { ! ia32 } } } } */ + +void +foo (int* __restrict a, char* b) +{ + b[0] = a[0]; + b[1] = a[1]; +} + +void +foo2 (short* __restrict a, char* b) +{ + b[0] = a[0]; + b[1] = a[1]; +} + +void +foo3 (int* __restrict a, short* b) +{ + b[0] = a[0]; + b[1] = a[1]; +} |