[Bug target/101096] AVX512 VPMOV instruction should be used to downconvert vectors

2023-04-26 Thread crazylht at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101096 --- Comment #2 from Hongtao.liu --- For foo, after supporting downconvert instruction, below it's difference for codegen. @@ -6,15 +6,17 @@ foo: .LFB0: .cfi_startproc - movl$255, %eax - vpbroadcastw%eax, %xmm0 -

[Bug target/101096] AVX512 VPMOV instruction should be used to downconvert vectors

2023-04-24 Thread ubizjak at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101096 Uroš Bizjak changed: What|Removed |Added CC||crazylht at gmail dot com --- Comment #1