https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96857
Bug ID: 96857
Summary: [r11-1301 Regression] FAIL:
gcc.target/i386/avx512bw-pr95488-1.c
scan-assembler-times vpmullw[^\n]*zmm 2 on
Linux/x86_64 (-m64 -march=cascadelake)
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: crazylht at gmail dot com
Target Milestone: ---
Target: x86_64-*-* i?86-*-*
On Linux/x86_64,
54cdb2f5a5b01a482d7cbce30e7b738558eecf59 is the first bad commit commit
54cdb2f5a5b01a482d7cbce30e7b738558eecf59
Author: liuhongt <hongtao....@intel.com>
Date: Wed Jun 3 17:25:47 2020 +0800
Optimize multiplication for V8QI,V16QI,V32QI under TARGET_AVX512BW.
caused
FAIL: gcc.target/i386/avx512bw-pr95488-1.c scan-assembler-times vpmovwb 2
FAIL: gcc.target/i386/avx512bw-pr95488-1.c scan-assembler-times vpmovzxbw 4
FAIL: gcc.target/i386/avx512bw-pr95488-1.c scan-assembler-times
vpmullw[^\n]*zmm 2
with GCC configured with
../../gcc/configure
--prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r11-1301/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/avx512bw-pr95488-1.c
--target_board='unix{-m64\ -march=cascadelake}'"
(Please do not reply to this email, for question about this report, contact me
at skpgkp2 at gmail dot com)
