On Linux/x86_64,
61c4c989034548f481d1f10198447be27fb9a55f is the first bad commit
commit 61c4c989034548f481d1f10198447be27fb9a55f
Author: Richard Sandiford <richard.sandif...@arm.com>
Date: Tue Aug 30 15:43:47 2022 +0100
Extend SLP permutation optimisations
caused
FAIL: gcc.dg/vect/bb-slp-pr54400.c -flto -ffat-lto-objects scan-tree-dump-not
slp2 " = VEC_PERM_EXPR"
FAIL: gcc.dg/vect/bb-slp-pr54400.c scan-tree-dump-not slp2 " = VEC_PERM_EXPR"
with GCC configured with
../../gcc/configure
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r13-2288/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/bb-slp-pr54400.c --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="vect.exp=gcc.dg/vect/bb-slp-pr54400.c --target_board='unix{-m32\
-march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="vect.exp=gcc.dg/vect/bb-slp-pr54400.c --target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="vect.exp=gcc.dg/vect/bb-slp-pr54400.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)
