On Linux/x86_64,
2b687ad95de61091105d040d6bc06cb3d44ac3d1 is the first bad commit
commit 2b687ad95de61091105d040d6bc06cb3d44ac3d1
Author: Richard Sandiford <richard.sandif...@arm.com>
Date: Thu Jan 2 11:34:52 2025 +0000
aarch64: Detect word-level modification in early-ra [PR118184]
caused
FAIL: gcc.dg/torture/pr118184.c -O0 execution test
FAIL: gcc.dg/torture/pr118184.c -O1 execution test
with GCC configured with
../../gcc/configure
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r15-6503/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="dg-torture.exp=gcc.dg/torture/pr118184.c
--target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg-torture.exp=gcc.dg/torture/pr118184.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.)
(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.)
