[r11-1851 Regression] FAIL: gcc.dg/vect/slp-46.c scan-tree-dump-times vect "vectorizing stmts using SLP" 2 on Linux/x86_64 (-m64 -march=cascadelake)

sunil.k.pandey skpandey@sc.intel.com
Sun Aug 30 02:06:50 GMT 2020


On Linux/x86_64,

dccbf1e2a6e544f71b4a5795f0c79015db019fc3 is the first bad commit
commit dccbf1e2a6e544f71b4a5795f0c79015db019fc3
Author: Richard Biener <rguenther@suse.de>
Date:   Mon Jul 6 16:26:50 2020 +0200

    tree-optimization/96075 - fix bogus misalignment calculation

caused

FAIL: gcc.dg/vect/slp-46.c -flto -ffat-lto-objects  scan-tree-dump-times vect "vectorizing stmts using SLP" 2
FAIL: gcc.dg/vect/slp-46.c scan-tree-dump-times vect "vectorizing stmts using SLP" 2

with GCC configured with

../../gcc/configure --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r11-1851/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/slp-46.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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