On Linux/x86_64,
19295e8607da2f743368fe6f5708146616aafa91 is the first bad commit
commit 19295e8607da2f743368fe6f5708146616aafa91
Author: Richard Biener <rguent...@suse.de>
Date: Mon Oct 24 09:51:32 2022 +0200
tree-optimization/100756 - niter analysis and folding
caused
FAIL: gcc.dg/vect/pr100756.c -flto -ffat-lto-objects scan-tree-dump-not vect
"epilog loop required"
FAIL: gcc.dg/vect/pr100756.c scan-tree-dump-not vect "epilog loop required"
with GCC configured with
../../gcc/configure
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r13-3476/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/pr100756.c --target_board='unix{-m32\
-march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="vect.exp=gcc.dg/vect/pr100756.c --target_board='unix{-m64\
-march=cascadelake}'"
(Please do not reply to this email, for question about this report, contact me
at haochen dot jiang at intel.com)
