[Bug c/115850] New: gcc generates invalid warning

Assignee: unassigned at gcc dot gnu.org Reporter: joseph.weening at gmail dot com Target Milestone: --- The following program generates an invalid warning: warning: ‘s2’ accessing 16 bytes in a region of size 8 The warning disappears if the calls to s1() and s2() are transposed

[Bug target/110227] gcc generates invalid AVX-512 code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110227 --- Comment #1 from Joe Weening --- Sorry, forgot to include the command line: $ gcc -march=cooperlake -O3 -c bug.c

[Bug target/110227] New: gcc generates invalid AVX-512 code

Assignee: unassigned at gcc dot gnu.org Reporter: joseph.weening at gmail dot com Target Milestone: --- gcc version 13.1.0 (GCC) Target: x86_64-pc-linux-gnu Configured with: ../gcc-13.1.0/configure --prefix=/usr/local/gcc/13.1.0 --disable-multilib --enable-languages=c,c++,fortran

[Bug target/91652] New: -march=skylake-avx512 -mno-fma -O2 generates FMA instructions

Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: joseph.weening at gmail dot com Target Milestone: --- Created attachment 46807 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46807&action=edit program to demonstrate genera