[r11-3750 Regression] FAIL: gcc.dg/vect/bb-slp-pr65935.c scan-tree-dump-times slp1 "Building vector operands from scalars" 1 on Linux/x86_64

sunil.k.pandey skpandey@sc.intel.com
Fri Oct 9 19:07:18 GMT 2020


On Linux/x86_64,

16760e5bf7028dfa36b39af305d05cdf2c15b3a9 is the first bad commit
commit 16760e5bf7028dfa36b39af305d05cdf2c15b3a9
Author: Richard Biener <rguenther@suse.de>
Date:   Fri Oct 9 12:24:46 2020 +0200

    tree-optimization/97334 - improve BB SLP discovery

caused

FAIL: gcc.dg/vect/bb-slp-pr65935.c -flto -ffat-lto-objects  scan-tree-dump-times slp1 "Building vector operands from scalars" 1
FAIL: gcc.dg/vect/bb-slp-pr65935.c scan-tree-dump-times slp1 "Building vector operands from scalars" 1

with GCC configured with

Configured with: ../../gcc/configure --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r11-3750/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-pr65935.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/bb-slp-pr65935.c --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)


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