[r16-385 Regression] FAIL: gcc.dg/vect/vect-simd-clone-18d.c scan-tree-dump-times vect "[\\n\\r] [^\\n]* = foo\\.simdclone" 2 on Linux/x86_64

"haochen.jiang" <[email protected]>
Newsgroups gmane.comp.gcc.patches,gmane.comp.gcc.regression
Message-ID <[email protected]>
On Linux/x86_64,

c9982eec2d3edc5306291d4628f08825ba46d483 is the first bad commit
commit c9982eec2d3edc5306291d4628f08825ba46d483
Author: Thomas Schwinge <[email protected]>
Date:   Mon May 5 10:21:35 2025 +0200

    vect-simd-clone-1[6-8][cd].c: Expect in-branch clones for x86: Fix target selector syntax

caused

FAIL: gcc.dg/vect/vect-simd-clone-16c.c scan-tree-dump-times vect "[\\n\\r] [^\\n]* = foo\\.simdclone" 2
FAIL: gcc.dg/vect/vect-simd-clone-16d.c scan-tree-dump-times vect "[\\n\\r] [^\\n]* = foo\\.simdclone" 2
FAIL: gcc.dg/vect/vect-simd-clone-17c.c scan-tree-dump-times vect "[\\n\\r] [^\\n]* = foo\\.simdclone" 2
FAIL: gcc.dg/vect/vect-simd-clone-17d.c scan-tree-dump-times vect "[\\n\\r] [^\\n]* = foo\\.simdclone" 2
FAIL: gcc.dg/vect/vect-simd-clone-18c.c scan-tree-dump-times vect "[\\n\\r] [^\\n]* = foo\\.simdclone" 2
FAIL: gcc.dg/vect/vect-simd-clone-18d.c scan-tree-dump-times vect "[\\n\\r] [^\\n]* = foo\\.simdclone" 2

with GCC configured with

../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r16-385/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="vect.exp=gcc.dg/vect/vect-simd-clone-16c.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-16c.c --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-16d.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-16d.c --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-17c.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-17c.c --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-17d.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-17d.c --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-18c.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-18c.c --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-18d.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-18d.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.)
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