On Linux/x86_64,
555fa3545efe23393ff21fe0928aa3942e1b90ed is the first bad commit
commit 555fa3545efe23393ff21fe0928aa3942e1b90ed
Author: Roger Sayle <ro...@nextmovesoftware.com>
Date: Thu Oct 7 15:42:09 2021 +0100
Introduce smul_highpart and umul_highpart RTX for high-part multiplications
caused
FAIL: gcc.target/i386/sse2-mmx-paddsb-2.c scan-assembler-times movl[
\\t]+\\$-128, 1
FAIL: gcc.target/i386/sse2-mmx-paddusb-2.c scan-assembler-times movl[
\\t]+\\$-1, 1
FAIL: gcc.target/i386/sse2-mmx-psubsb-2.c scan-assembler-times movl[
\\t]+\\$-128, 1
with GCC configured with
../../gcc/configure
--prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r12-4231/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/sse2-mmx-paddsb-2.c
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/sse2-mmx-paddusb-2.c
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/sse2-mmx-psubsb-2.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)
