On Linux/x86_64,
cea34ac07e3bd74086f854dd43afb29b4940d8de is the first bad commit
commit cea34ac07e3bd74086f854dd43afb29b4940d8de
Author: Richard Biener <[email protected]>
Date: Sun Nov 23 14:01:03 2025 +0100
Select both inbranch and notinbranch clone during SIMD call analysis
caused
FAIL: gcc.dg/vect/vect-simd-clone-24.c scan-tree-dump-times dce6
"simdclone.[0-9] \\([^,]+\\)" 1
FAIL: gcc.dg/vect/vect-simd-clone-24.c scan-tree-dump-times dce6
"simdclone.[0-9] \\([^,]+,[^,]+\\)" 3
with GCC configured with
../../gcc/configure
--prefix=/export/users3/haochenj/src/gcc-bisect/master/master/r16-5888/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-24.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-simd-clone-24.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.)
