On Linux/x86_64,
32b0abb24b8702ec9954448739682ace6fa5ccf5 is the first bad commit
commit 32b0abb24b8702ec9954448739682ace6fa5ccf5
Author: Jakub Jelinek <ja...@redhat.com>
Date: Thu Nov 26 08:44:15 2020 +0100
i386: Optimize psubusw compared to 0 into pminuw compared to op0 [PR96906]
caused
FAIL: gcc.target/i386/pr96906-1.c scan-assembler-not \tvpsubus[bw]
FAIL: gcc.target/i386/pr96906-1.c scan-assembler-times \tvpcmpeqb[^\n\r]*xmm 2
FAIL: gcc.target/i386/pr96906-1.c scan-assembler-times \tvpcmpeqb[^\n\r]*ymm 2
FAIL: gcc.target/i386/pr96906-1.c scan-assembler-times \tvpcmpeqw[^\n\r]*xmm 2
FAIL: gcc.target/i386/pr96906-1.c scan-assembler-times \tvpcmpeqw[^\n\r]*ymm 2
FAIL: gcc.target/i386/pr96906-1.c scan-assembler-times \tvpminub[^\n\r]*xmm 2
FAIL: gcc.target/i386/pr96906-1.c scan-assembler-times \tvpminub[^\n\r]*ymm 2
FAIL: gcc.target/i386/pr96906-1.c scan-assembler-times \tvpminuw[^\n\r]*xmm 2
FAIL: gcc.target/i386/pr96906-1.c scan-assembler-times \tvpminuw[^\n\r]*ymm 2
with GCC configured with
../../gcc/configure
--prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r11-5398/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/pr96906-1.c --target_board='unix{-m32\
-march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/pr96906-1.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)
