https://gcc.gnu.org/g:41d7bf31278cc166d9a3b4073da09afbaef78fc4
commit r17-1278-g41d7bf31278cc166d9a3b4073da09afbaef78fc4 Author: Xiaomei Xue <[email protected]> Date: Thu Jun 4 02:42:12 2026 +0000 i386: Extend MOVNTDQ support to cover various packed integer types As the associated mode iterator VI8 shows, MOVNTDQ is only used for *QI and *DI packed integer modes, this patch extends it to cover *HI and *SI packed integer modes. gcc/ChangeLog: * config/i386/sse.md (define_mode_attr sse2): Add V4SI/V8SI/V16SI/ V8HI/V16HI/V32HI. (<sse2>_movnt<mode>): Change mode iterator from VI8 to VI_AVX_AVX512F. (define_mode_iterator STORENT_MODE): Add V4SI/V8SI/V16SI/V8HI/V16HI/ V32HI/V16QI/V32QI/V64QI. Signed-off-by: Xiaomei Xue <[email protected]> Diff: --- gcc/config/i386/sse.md | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md index 21773384973f..a632e256e915 100644 --- a/gcc/config/i386/sse.md +++ b/gcc/config/i386/sse.md @@ -1024,6 +1024,8 @@ (define_mode_attr sse2 [(V16QI "sse2") (V32QI "avx") (V64QI "avx512f") + (V8HI "sse2") (V16HI "avx") (V32HI "avx512f") + (V4SI "sse2") (V8SI "avx") (V16SI "avx512f") (V2DI "sse2") (V4DI "avx") (V8DI "avx512f")]) (define_mode_attr sse3 @@ -2057,9 +2059,10 @@ (set_attr "mode" "<MODE>")]) (define_insn "<sse2>_movnt<mode>" - [(set (match_operand:VI8 0 "memory_operand" "=m") - (unspec:VI8 [(match_operand:VI8 1 "register_operand" "v")] - UNSPEC_MOVNT))] + [(set (match_operand:VI_AVX_AVX512F 0 "memory_operand" "=m") + (unspec:VI_AVX_AVX512F + [(match_operand:VI_AVX_AVX512F 1 "register_operand" "v")] + UNSPEC_MOVNT))] "TARGET_SSE2" "%vmovntdq\t{%1, %0|%0, %1}" [(set_attr "type" "ssecvt") @@ -2080,9 +2083,12 @@ (define_mode_iterator STORENT_MODE [(DI "TARGET_SSE2 && TARGET_64BIT") (SI "TARGET_SSE2") (SF "TARGET_SSE4A") (DF "TARGET_SSE4A") - (V8DI "TARGET_AVX512F") (V4DI "TARGET_AVX") (V2DI "TARGET_SSE2") (V16SF "TARGET_AVX512F") (V8SF "TARGET_AVX") V4SF - (V8DF "TARGET_AVX512F") (V4DF "TARGET_AVX") (V2DF "TARGET_SSE2")]) + (V8DF "TARGET_AVX512F") (V4DF "TARGET_AVX") (V2DF "TARGET_SSE2") + (V8DI "TARGET_AVX512F") (V4DI "TARGET_AVX") (V2DI "TARGET_SSE2") + (V16SI "TARGET_AVX512F") (V8SI "TARGET_AVX") (V4SI "TARGET_SSE2") + (V32HI "TARGET_AVX512F") (V16HI "TARGET_AVX") (V8HI "TARGET_SSE2") + (V64QI "TARGET_AVX512F") (V32QI "TARGET_AVX") (V16QI "TARGET_SSE2")]) (define_expand "storent<mode>" [(set (match_operand:STORENT_MODE 0 "memory_operand")
