[Bug target/110456] vectorization with loop masking prone to STLF issues

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110456

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|                            |26163

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
This causes 25% runtime regression of 527.cam4_r when enabling --param
vect-partial-vector-usage={1,2} ontop of -Ofast --march=znver4


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=26163
[Bug 26163] [meta-bug] missed optimization in SPEC (2k17, 2k and 2k6 and 95)