[r11-571 Regression] FAIL: gcc.target/i386/pr92658-avx512f.c scan-assembler-times vpmovqw 1 on Linux/x86_64 (-m64 -march=cascadelake)

sunil.k.pandey skpandey@sc.intel.com
Sun Aug 30 01:07:33 GMT 2020


On Linux/x86_64,

e740f3d73144abbca1ad98a04825c6bd63314a0b is the first bad commit
commit e740f3d73144abbca1ad98a04825c6bd63314a0b
Author: liuhongt <hongtao.liu@intel.com>
Date:   Wed May 20 15:53:14 2020 +0800

    Add missing vector truncmn2 expanders [PR92658]

caused

FAIL: gcc.target/i386/pr92658-avx512f.c scan-assembler-times vpmovdb 1
FAIL: gcc.target/i386/pr92658-avx512f.c scan-assembler-times vpmovdw 1
FAIL: gcc.target/i386/pr92658-avx512f.c scan-assembler-times vpmovqd 1
FAIL: gcc.target/i386/pr92658-avx512f.c scan-assembler-times vpmovqw 1

with GCC configured with

../../gcc/configure --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r11-571/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/pr92658-avx512f.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)


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