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| author | Haochen Gui <guihaoc@gcc.gnu.org> | 2024-08-19 10:35:47 +0800 |
|---|---|---|
| committer | Haochen Gui <guihaoc@gcc.gnu.org> | 2024-08-19 10:40:43 +0800 |
| commit | 8d6c6fbc5271dde433998c09407b30e2cf195420 (patch) | |
| tree | 8feb51cce18cd8615ea3bf2fff76c0aa2fba6a52 | |
| parent | 7f62e7104ebc11c4570745972a023579922ef265 (diff) | |
| download | gcc-8d6c6fbc5271dde433998c09407b30e2cf195420.zip gcc-8d6c6fbc5271dde433998c09407b30e2cf195420.tar.gz gcc-8d6c6fbc5271dde433998c09407b30e2cf195420.tar.bz2 | |
aarch64: Implement 16-byte vector mode const0 store by TImode
gcc/
* config/aarch64/aarch64-simd.md (mov<mode> for VSTRUCT_QD):
Expand 16-byte vector mode const0 store by TImode.
| -rw-r--r-- | gcc/config/aarch64/aarch64-simd.md | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/gcc/config/aarch64/aarch64-simd.md b/gcc/config/aarch64/aarch64-simd.md index 475f197..23c03a9 100644 --- a/gcc/config/aarch64/aarch64-simd.md +++ b/gcc/config/aarch64/aarch64-simd.md @@ -7809,7 +7809,16 @@ (match_operand:VSTRUCT_QD 1 "general_operand"))] "TARGET_FLOAT" { - if (can_create_pseudo_p ()) + if (known_eq (GET_MODE_SIZE (<MODE>mode), 16) + && operands[1] == CONST0_RTX (<MODE>mode) + && MEM_P (operands[0]) + && (can_create_pseudo_p () + || memory_address_p (TImode, XEXP (operands[0], 0)))) + { + operands[0] = adjust_address (operands[0], TImode, 0); + operands[1] = CONST0_RTX (TImode); + } + else if (can_create_pseudo_p ()) { if (GET_CODE (operands[0]) != REG) operands[1] = force_reg (<MODE>mode, operands[1]); |