9c92b2ba08e85aa835c439f93902f80e0b48cb83 - gcc

commit: 9c92b2ba08e85aa835c439f93902f80e0b48cb83
[log]
author: Xi Ruoyao <xry111@xry111.site>
Sun Nov 16 00:30:43 2025 +0800
committer: Xi Ruoyao <xry111@xry111.site>
Thu Nov 20 15:28:00 2025 +0800
tree: 3b87665107e059d9c114ea9c89a4e94b9d9ff291
parent: 678cfb36c4ae5c809512f5330a28271232ce39f0 [diff]

LoongArch: Fix wrong code from loongarch_expand_vec_perm_1 [PR 122695]

	PR target/122695

gcc/

	* config/loongarch/loongarch.cc (loongarch_expand_vec_perm_1):
	Simplify and fix the logic preventing the xvshuf.* unpredictable
	behavior.

gcc/testsuite/

	* gcc.target/loongarch/pr122695-1.c: New test.
	* gcc.target/loongarch/pr122695-2.c: New test.

(cherry picked from commit f168d62bc552176572832bf129c9b392aeff46ad)

gcc/config/loongarch/loongarch.cc[diff]
gcc/testsuite/gcc.target/loongarch/pr122695-1.c[Added - diff]
gcc/testsuite/gcc.target/loongarch/pr122695-2.c[Added - diff]

3 files changed

tree: 3b87665107e059d9c114ea9c89a4e94b9d9ff291