On Linux/x86_64,
055c6cc038ef6bba311eee2abdafaadb532ddd5b is the first bad commit
commit 055c6cc038ef6bba311eee2abdafaadb532ddd5b
Author: Richard Biener <[email protected]>
Date: Tue Oct 7 15:38:57 2025 +0200
Add boolean pattern for bitwise ops
caused
FAIL: gcc.dg/vect/vect-early-break_82.c -flto -ffat-lto-objects scan-tree-dump
vect "LOOP VECTORIZED"
FAIL: gcc.dg/vect/vect-early-break_82.c scan-tree-dump vect "LOOP VECTORIZED"
with GCC configured with
../../gcc/configure
--prefix=/export/users3/haochenj/src/gcc-bisect/master/master/r16-4296/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-early-break_82.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-early-break_82.c
--target_board='unix{-m64\ -march=cascadelake}'"
(Please directly reply to this email for question about this report.)
(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.)
