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* [gcc r13-4792] RISC-V: Remove unit-stride store from ta attribute
@ 2022-12-19 14:24 Kito Cheng
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From: Kito Cheng @ 2022-12-19 14:24 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:8577356f4b8a2c9a397390339006eca8f6efa14d
commit r13-4792-g8577356f4b8a2c9a397390339006eca8f6efa14d
Author: Ju-Zhe Zhong <juzhe.zhong@rivai.ai>
Date: Wed Dec 14 19:36:41 2022 +0800
RISC-V: Remove unit-stride store from ta attribute
Since store instructions doesn't care about tail policy, we remove
vste from "ta" attribute. Hence, we could have more fusion chances
and better optimization.
gcc/ChangeLog:
* config/riscv/vector.md: Remove vste.
Diff:
---
gcc/config/riscv/vector.md | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/gcc/config/riscv/vector.md b/gcc/config/riscv/vector.md
index 985373838bb..52ca6b3d25c 100644
--- a/gcc/config/riscv/vector.md
+++ b/gcc/config/riscv/vector.md
@@ -241,7 +241,7 @@
;; The tail policy op value.
(define_attr "ta" ""
- (cond [(eq_attr "type" "vlde,vste,vimov,vfmov,vlds")
+ (cond [(eq_attr "type" "vlde,vimov,vfmov,vlds")
(symbol_ref "riscv_vector::get_ta(operands[5])")]
(const_int INVALID_ATTRIBUTE)))
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