On Linux/x86_64,
3bd86940c428de9dde53e41265fb1435ed236f5e is the first bad commit
commit 3bd86940c428de9dde53e41265fb1435ed236f5e
Author: liuhongt <hongtao....@intel.com>
Date: Tue Jan 26 16:29:32 2021 +0800
i386: Add vashlm3/vashrm3/vlshrm3 to enable vectorization of vector shift
vector. [PR98434]
caused
FAIL: g++.dg/opt/pr91838.C -std=c++14 scan-assembler pxor\\s+%xmm0,\\s+%xmm0
FAIL: g++.dg/opt/pr91838.C -std=c++17 scan-assembler pxor\\s+%xmm0,\\s+%xmm0
FAIL: g++.dg/opt/pr91838.C -std=c++2a scan-assembler pxor\\s+%xmm0,\\s+%xmm0
with GCC configured with
../../gcc/configure
--prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r12-1764/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="dg.exp=g++.dg/opt/pr91838.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)
