On Linux/x86_64,
9251db0dabc8e75c31b49a5b589124e9a2bc8299 is the first bad commit
commit 9251db0dabc8e75c31b49a5b589124e9a2bc8299
Author: Hongyu Wang <hongyu.w...@intel.com>
Date: Thu Nov 9 13:11:41 2023 +0800
[i386] APX: Fix EGPR usage in several patterns.
caused
FAIL: gcc.target/i386/avx256-unaligned-store-1.c scan-assembler vextractf128
FAIL: gcc.target/i386/avx-storeu2-m128-1.c scan-assembler \tvextractf128\t
FAIL: gcc.target/i386/avx-storeu2-m128i-1.c scan-assembler \tvextract[if]128\t
with GCC configured with
../../gcc/configure
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r14-5513/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="i386.exp=gcc.target/i386/avx256-unaligned-store-1.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/avx256-unaligned-store-1.c
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/avx-storeu2-m128-1.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/avx-storeu2-m128-1.c
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/avx-storeu2-m128i-1.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/avx-storeu2-m128i-1.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.)
