On Linux/x86_64,
c8a889fc0e115d40a2d02f32842655f3eadc8fa1 is the first bad commit
commit c8a889fc0e115d40a2d02f32842655f3eadc8fa1
Author: Hongyu Wang <hongyu.w...@intel.com>
Date: Wed Oct 20 13:13:39 2021 +0800
i386: Fix wrong codegen for V8HF move without TARGET_AVX512F
caused
FAIL: gcc.target/i386/avx512fp16-13.c scan-assembler-times vmovdqa64[
\\t]+[^{\n]*%xmm[0-9]+[^\n]*\\) 1
FAIL: gcc.target/i386/avx512fp16-13.c scan-assembler-times vmovdqa64[
\\t]+[^{\n]*%ymm[0-9]+[^\n]*\\) 1
with GCC configured with
../../gcc/configure
--prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r12-4601/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/avx512fp16-13.c
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512fp16-13.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512fp16-13.c
--target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512fp16-13.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)
