On Linux/x86_64,
ec985bc97a01577bca8307f986caba7ba7633cde is the first bad commit
commit ec985bc97a01577bca8307f986caba7ba7633cde
Author: Roger Sayle <ro...@nextmovesoftware.com>
Date: Fri Jun 7 13:57:23 2024 +0100
i386: Improve handling of ternlog instructions in i386/sse.md
caused
FAIL: gcc.target/i386/avx2-pr98461.c scan-assembler-times \tnotl\t 6
FAIL: gcc.target/i386/avx512f-copysign.c scan-assembler-times vpternlog[dq][
\\t]+\\$(?:216|228|0xd8|0xe4), 5
FAIL: gcc.target/i386/avx512f-vpternlogd-3.c scan-assembler-times vpternlogd[
\\t] 694
FAIL: gcc.target/i386/avx512f-vpternlogd-4.c scan-assembler-times vpternlogd[
\\t] 694
FAIL: gcc.target/i386/pr101989-broadcast-1.c scan-assembler-times \\{1to4\\} 4
FAIL: gcc.target/i386/sse2-v1ti-vne.c scan-assembler-times pcmpeq 6
FAIL: gcc.target/i386/sse2-v1ti-vne.c scan-assembler-times pxor 3
with GCC configured with
../../gcc/configure
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r15-1100/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/avx2-pr98461.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/avx2-pr98461.c
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512f-copysign.c
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512f-vpternlogd-3.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512f-vpternlogd-3.c
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512f-vpternlogd-4.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512f-vpternlogd-4.c
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/pr101989-broadcast-1.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/pr101989-broadcast-1.c
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/sse2-v1ti-vne.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.)
