On Linux/x86_64,
f4e259b4a66c81c234608056117836e13606e4c8 is the first bad commit
commit f4e259b4a66c81c234608056117836e13606e4c8
Author: Alex Coplan <alex.cop...@arm.com>
Date: Thu Jul 25 16:34:05 2024 +0000
vect: Ensure we add vector skip guard even when versioning for aliasing
[PR118211]
caused
FAIL: gcc.dg/vect/vect-121.c -flto -ffat-lto-objects scan-tree-dump-not
optimized "Invalid sum"
FAIL: gcc.dg/vect/vect-121.c scan-tree-dump-not optimized "Invalid sum"
with GCC configured with
../../gcc/configure
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r15-6810/usr
--enable-clocale=gnu --with-system-zlib --with-demangler-in-ld
--with-fpmath=sse --enable-languages=c,c++,fortran --enable-cet --without-isl
--enable-libmpx x86_64-linux --disable-bootstrap
To reproduce:
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-121.c --target_board='unix{-m32}'"
(Please do not reply to this email, for question about this report, contact me
at haochen dot jiang at intel.com.)
(If you met problems with cascadelake related, disabling AVX512F in command
line might save that.)
(However, please make sure that there is no potential problems with AVX512.)
