On Linux/x86_64,
aea374238cec1a1e53fb79575d2f998e16926999 is the first bad commit
commit aea374238cec1a1e53fb79575d2f998e16926999
Author: liuhongt <hongtao....@intel.com>
Date: Thu Aug 15 12:54:07 2024 +0800
Align ix86_{move_max,store_max} with vectorizer.
caused
FAIL: gcc.target/i386/pieces-memcpy-10.c scan-assembler-times vmovdqu[
\\t]+[^\n]*%xmm 4
FAIL: gcc.target/i386/pieces-memcpy-6.c scan-assembler-times vmovdqu[
\\t]+[^\n]*%xmm 4
FAIL: gcc.target/i386/pieces-memset-38.c scan-assembler-times vmovdqu[
\\t]+[^\n]*%xmm 2
FAIL: gcc.target/i386/pieces-memset-38.c scan-assembler-times vpcmpeqd[
\\t]+[^\n]*%xmm 1
FAIL: gcc.target/i386/pieces-memset-40.c scan-assembler-not %[re]bp
FAIL: gcc.target/i386/pieces-memset-40.c scan-assembler-times vmovdqu[
\\t]+[^\n]*%xmm 4
FAIL: gcc.target/i386/pieces-memset-40.c scan-assembler-times vpbroadcastb[
\\t]+[^\n]*%xmm 1
FAIL: gcc.target/i386/pieces-memset-41.c scan-assembler-not %[re]bp
FAIL: gcc.target/i386/pieces-memset-42.c scan-assembler-times vmovdqu[
\\t]+[^\n]*%xmm 2
FAIL: gcc.target/i386/pieces-memset-43.c scan-assembler-times vmovdqu[
\\t]+[^\n]*%xmm 2
FAIL: gcc.target/i386/pieces-memset-43.c scan-assembler-times vpcmpeqd[
\\t]+[^\n]*%xmm 1
FAIL: gcc.target/i386/pieces-strcpy-2.c scan-assembler-times vmovdqa[
\\t]+[^\n]*%xmm 4
FAIL: gcc.target/i386/pieces-strcpy-2.c scan-assembler-times vmovdqu[
\\t]+[^\n]*%xmm 4
with GCC configured with
../../gcc/configure
--prefix=/export/users/haochenj/src/gcc-bisect/gcc-13/releases/gcc-13/r13-8987/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/pieces-memcpy-10.c
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/pieces-memcpy-10.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/pieces-memcpy-10.c
--target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/pieces-memcpy-10.c
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/pieces-memcpy-6.c
--target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/pieces-memcpy-6.c
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/pieces-memset-38.c
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/pieces-memset-38.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/pieces-memset-38.c
--target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/pieces-memset-38.c
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/pieces-memset-40.c
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/pieces-memset-40.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/pieces-memset-41.c
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/pieces-memset-41.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/pieces-memset-42.c
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/pieces-memset-42.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/pieces-memset-42.c
--target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/pieces-memset-42.c
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/pieces-memset-43.c
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/pieces-memset-43.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/pieces-memset-43.c
--target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/pieces-memset-43.c
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/pieces-strcpy-2.c
--target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/pieces-strcpy-2.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.)
