[r15-3184 Regression] FAIL: gcc.target/i386/avx10_2-vmovw-1.c (test for excess errors) on Linux/x86_64

[haochen.jiang]

On Linux/x86_64,

f6fe2962daf7b8d8532c768c3b9eab00f99cce5b is the first bad commit
commit f6fe2962daf7b8d8532c768c3b9eab00f99cce5b
Author: Zhang, Jun <jun.zhang@intel.com>
Date:   Mon Aug 26 10:53:52 2024 +0800

    AVX10.2: Support vector copy instructions

caused

FAIL: gcc.target/i386/avx10_2-vmovd-1.c (test for excess errors)
FAIL: gcc.target/i386/avx10_2-vmovw-1.c (test for excess errors)

with GCC configured with

../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r15-3184/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/avx10_2-vmovd-1.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/avx10_2-vmovd-1.c --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/avx10_2-vmovw-1.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/avx10_2-vmovw-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.)
(If you met problems with cascadelake related, disabling AVX512F in command line might save that.)
(However, please make sure that there is no potential problems with AVX512.)