On Linux/x86_64,

776a5bb5894315ab144dc74222fc580fde8fdd87 is the first bad commit
commit 776a5bb5894315ab144dc74222fc580fde8fdd87
Author: Richard Biener <rguent...@suse.de>
Date:   Wed Mar 22 10:05:19 2023 +0100

    rtl-optimization/109237 - speedup bb_is_just_return

caused

FAIL: gcc.dg/guality/pr54200.c  -Og -DPREVENT_OPTIMIZATION  line 20 z == 3
FAIL: gcc.dg/guality/pr54200.c   -Os  -DPREVENT_OPTIMIZATION  line 20 z == 3

with GCC configured with

../../gcc/configure 
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r13-6873/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="guality.exp=gcc.dg/guality/pr54200.c --target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check 
RUNTESTFLAGS="guality.exp=gcc.dg/guality/pr54200.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)

Reply via email to