On Linux/x86_64,
60eec23b5eda0f350e572586eee738eab0804a74 is the first bad commit
commit 60eec23b5eda0f350e572586eee738eab0804a74
Author: liuhongt <hongtao....@intel.com>
Date: Wed Sep 8 16:19:37 2021 +0800
Optimize vec_extract for 256/512-bit vector when index exceeds the lower
128 bits.
caused
FAIL: gcc.target/i386/vect-rebuild.c scan-assembler-not unpck
FAIL: gcc.target/i386/vect-rebuild.c scan-assembler-times \tv?extractf128[ \t] 1
with GCC configured with
../../gcc/configure
--prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r12-3425/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/vect-rebuild.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/vect-rebuild.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)
