On Linux/x86_64,

c9de716a59c873859df3b3e1fbb993200fce5a73 is the first bad commit
commit c9de716a59c873859df3b3e1fbb993200fce5a73
Author: Richard Biener <rguent...@suse.de>
Date:   Tue Sep 15 14:35:40 2020 +0200

    Allow more BB vectorization

caused

FAIL: g++.dg/vect/slp-pr87105.cc  -std=c++14  scan-tree-dump slp2 "vect_[^\rm]* 
= MIN"
FAIL: g++.dg/vect/slp-pr87105.cc  -std=c++14  scan-tree-dump-times slp2 "basic 
block part vectorized" 1
FAIL: g++.dg/vect/slp-pr87105.cc  -std=c++17  scan-tree-dump slp2 "vect_[^\rm]* 
= MIN"
FAIL: g++.dg/vect/slp-pr87105.cc  -std=c++17  scan-tree-dump-times slp2 "basic 
block part vectorized" 1
FAIL: g++.dg/vect/slp-pr87105.cc  -std=c++2a  scan-tree-dump slp2 "vect_[^\rm]* 
= MIN"
FAIL: g++.dg/vect/slp-pr87105.cc  -std=c++2a  scan-tree-dump-times slp2 "basic 
block part vectorized" 1

with GCC configured with

../../gcc/configure 
--prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r11-3204/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=g++.dg/vect/slp-pr87105.cc --target_board='unix{-m64\ 
-march=cascadelake}'"

(Please do not reply to this email, for question about this report, contact me 
at skpgkp2 at gmail dot com)

Reply via email to