From: Ju-Zhe Zhong <juzhe.zhong@rivai.ai>
Date: Wed, 14 Dec 2022 11:36:41 +0000 (+0800)
Subject: RISC-V: Remove unit-stride store from ta attribute
X-Git-Tag: basepoints/gcc-14~2415
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8577356f4b8a2c9a397390339006eca8f6efa14d;p=thirdparty%2Fgcc.git

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 --git a/gcc/config/riscv/vector.md b/gcc/config/riscv/vector.md
index 985373838bb0..52ca6b3d25cd 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)))