On 10/14/21 8:19 PM, sunil.k.pandey wrote:
On Linux/x86_64,

f0b7d4cc49ddb1c2c7474cc3f61e260aa93a96c0 is the first bad commit
commit f0b7d4cc49ddb1c2c7474cc3f61e260aa93a96c0
Author: Andrew MacLeod <amacl...@redhat.com>
Date:   Thu Oct 14 10:43:58 2021 -0400

     Simplification for right shift.

caused

FAIL: gcc.dg/pr102738.c (test for excess errors)

with GCC configured with

../../gcc/configure 
--prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r12-4413/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="dg.exp=gcc.dg/pr102738.c 
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gcc.dg/pr102738.c 
--target_board='unix{-m32\ -march=cascadelake}'"

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

Is this due to lack of 128 bit support?   that fix has just been checked in and I think resolves it...

Sorry

Andrew

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