On Linux/x86_64,
86c00670914f7383c8c1f920d376493459b7aafb is the first bad commit
commit 86c00670914f7383c8c1f920d376493459b7aafb
Author: Richard Biener <[email protected]>
Date: Wed Feb 11 09:50:55 2026 +0100
Use dg-additional-options in vect.exp, simplify file globbing
caused
FAIL: gcc.dg/vect/no-section-anchors-vect-31.c -flto -ffat-lto-objects
scan-tree-dump-times vect "Alignment of access forced using peeling" 2
FAIL: gcc.dg/vect/no-section-anchors-vect-31.c -flto -ffat-lto-objects
scan-tree-dump-times vect "Vectorizing an unaligned access" 0
FAIL: gcc.dg/vect/no-section-anchors-vect-31.c scan-tree-dump-times vect
"Alignment of access forced using peeling" 2
FAIL: gcc.dg/vect/no-section-anchors-vect-31.c scan-tree-dump-times vect
"Vectorizing an unaligned access" 0
FAIL: gcc.dg/vect/no-section-anchors-vect-64.c -flto -ffat-lto-objects
scan-tree-dump-times vect "Alignment of access forced using peeling" 2
FAIL: gcc.dg/vect/no-section-anchors-vect-64.c -flto -ffat-lto-objects
scan-tree-dump-times vect "Vectorizing an unaligned access" 0
FAIL: gcc.dg/vect/no-section-anchors-vect-64.c scan-tree-dump-times vect
"Alignment of access forced using peeling" 2
FAIL: gcc.dg/vect/no-section-anchors-vect-64.c scan-tree-dump-times vect
"Vectorizing an unaligned access" 0
with GCC configured with
../../gcc/configure
--prefix=/export/users3/haochenj/src/gcc-bisect/master/master/r16-7456/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/no-section-anchors-vect-31.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="vect.exp=gcc.dg/vect/no-section-anchors-vect-31.c
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="vect.exp=gcc.dg/vect/no-section-anchors-vect-64.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="vect.exp=gcc.dg/vect/no-section-anchors-vect-64.c
--target_board='unix{-m64\ -march=cascadelake}'"
(Please directly reply to this email for question about this report.)
(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.)
