[r13-6278 Regression] FAIL: gcc.dg/vect/vect-simd-clone-18f.c scan-tree-dump-times vect "[\\n\\r] [^\\n]* = foo\\.simdclone" 2 on Linux/x86_64

[r13-6278 Regression] FAIL: gcc.dg/vect/vect-simd-clone-18f.c scan-tree-dump-times vect "[\\n\\r] [^\\n]* = foo\\.simdclone" 2 on Linux/x86_64

[haochen.jiang]

On Linux/x86_64,

3da77f217c8b2089ecba3eb201e727c3fcdcd19d is the first bad commit
commit 3da77f217c8b2089ecba3eb201e727c3fcdcd19d
Author: Andrew Stubbs <ams@codesourcery.com>
Date:   Thu Jul 28 16:07:22 2022 +0100

    vect: inbranch SIMD clones

caused

FAIL: gcc.dg/vect/vect-simd-clone-16.c scan-tree-dump-times vect "[\\n\\r] [^\\n]* = foo\\.simdclone" 2
FAIL: gcc.dg/vect/vect-simd-clone-16e.c scan-tree-dump-times vect "[\\n\\r] [^\\n]* = foo\\.simdclone" 3
FAIL: gcc.dg/vect/vect-simd-clone-16f.c scan-tree-dump-times vect "[\\n\\r] [^\\n]* = foo\\.simdclone" 2
FAIL: gcc.dg/vect/vect-simd-clone-17.c scan-tree-dump-times vect "[\\n\\r] [^\\n]* = foo\\.simdclone" 2
FAIL: gcc.dg/vect/vect-simd-clone-17e.c scan-tree-dump-times vect "[\\n\\r] [^\\n]* = foo\\.simdclone" 3
FAIL: gcc.dg/vect/vect-simd-clone-17f.c scan-tree-dump-times vect "[\\n\\r] [^\\n]* = foo\\.simdclone" 2
FAIL: gcc.dg/vect/vect-simd-clone-18.c scan-tree-dump-times vect "[\\n\\r] [^\\n]* = foo\\.simdclone" 2
FAIL: gcc.dg/vect/vect-simd-clone-18e.c scan-tree-dump-times vect "[\\n\\r] [^\\n]* = foo\\.simdclone" 3
FAIL: gcc.dg/vect/vect-simd-clone-18f.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/r13-6278/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-16.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-16.c --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-16e.c --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-16e.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-16f.c --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-16f.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-16f.c --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-17.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-17.c --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-17e.c --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-17e.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-17f.c --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-17f.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-17f.c --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-18.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-18.c --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-18e.c --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-18e.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-18f.c --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-18f.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-18f.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)