[r14-1246 Regression] FAIL: gcc.target/i386/pr98434-1.c scan-assembler-times vpsrlvw[\\t ]*%ymm 2 on Linux/x86_64

[haochen.jiang]

On Linux/x86_64,

52ff3f7b863da1011b73c0ab3b11f6c78b6451c7 is the first bad commit
commit 52ff3f7b863da1011b73c0ab3b11f6c78b6451c7
Author: Uros Bizjak <ubizjak@gmail.com>
Date:   Thu May 25 19:40:26 2023 +0200

    i386: Use 2x-wider modes when emulating QImode vector instructions

caused

FAIL: gcc.target/i386/avx512bw-pr95488-1.c scan-assembler-times vpmovwb 2
FAIL: gcc.target/i386/avx512bw-pr95488-1.c scan-assembler-times vpmovzxbw 4
FAIL: gcc.target/i386/avx512bw-pr95488-1.c scan-assembler-times vpmullw[^\n]*zmm 2
FAIL: gcc.target/i386/avx512vl-pr95488-1.c scan-assembler-times vpmovwb 4
FAIL: gcc.target/i386/avx512vl-pr95488-1.c scan-assembler-times vpmovzxbw 8
FAIL: gcc.target/i386/avx512vl-pr95488-1.c scan-assembler-times vpmullw[^\n]*xmm 2
FAIL: gcc.target/i386/avx512vl-pr95488-1.c scan-assembler-times vpmullw[^\n]*ymm 2
FAIL: gcc.target/i386/pr98434-1.c scan-assembler-times vpsllvw[\\t ]*%zmm 2
FAIL: gcc.target/i386/pr98434-1.c scan-assembler-times vpsravw[\\t ]*%xmm 2
FAIL: gcc.target/i386/pr98434-1.c scan-assembler-times vpsrlvw[\\t ]*%ymm 2

with GCC configured with

../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r14-1246/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/avx512bw-pr95488-1.c --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512bw-pr95488-1.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512bw-pr95488-1.c --target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512bw-pr95488-1.c --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512vl-pr95488-1.c --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512vl-pr95488-1.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512vl-pr95488-1.c --target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512vl-pr95488-1.c --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr98434-1.c --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr98434-1.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr98434-1.c --target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr98434-1.c --target_board='unix{-m64\ -march=cascadelake}'"

(Please do not reply to this email, for question about this report, contact me at haochen dot jiang at intel.com)