[Bug target/116972] _march=x86_64 uses rep instead of see to do the zeroing

2024-10-04 Thread 652023330028 at smail dot nju.edu.cn via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116972 --- Comment #2 from Yi <652023330028 at smail dot nju.edu.cn> --- (In reply to Andrew Pinski from comment #1) > This is not exactly a missed optimization. Rather the default settings for > the generic x86_64 is to use rep stosq for the memset of

[Bug target/116972] _march=x86_64 uses rep instead of see to do the zeroing

2024-10-04 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116972 Andrew Pinski changed: What|Removed |Added Component|tree-optimization |target Summary|missed vector