https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120138
Bug ID: 120138
Summary: (14/15/16) -Wmaybe-uninitialized triggered after
specific optimizations
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Severity: normal
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120138
--- Comment #4 from Thor Preimesberger ---
FWIW I bisected to commit d45ddc2c04e471d0dcee016b6edacc00b8341b16 - adding
this commit and compiling with -O3 causes two additional jumps to be threaded.
The gimple stmt
_68 = r[1]
in transpose_avx5
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120138
--- Comment #7 from Thor Preimesberger ---
(In reply to Andrew Pinski from comment #6)
> (In reply to Andrew Pinski from comment #5)
> > The code does look like in the case of M being between 0 and 7 will cause
> > use of the uninitilized r[1].
