On Linux/x86_64,
e4c9aac98611f63847ef6c57916808d9a2d7abcb is the first bad commit
commit e4c9aac98611f63847ef6c57916808d9a2d7abcb
Author: Martin Sebor <mse...@redhat.com>
Date: Thu Oct 8 12:35:01 2020 -0600
Correct handling of constant representations containing embedded nuls
(backport from trunk).
caused
FAIL: gcc.target/i386/memcpy-pr95886.c scan-rtl-dump-times expand "const_int
1976943448883713" 1
FAIL: gcc.target/i386/memcpy-pr95886.c scan-rtl-dump-times expand "const_int
576467370915332609" 1
FAIL: gcc.target/i386/memcpy-pr95886.c scan-rtl-dump-times expand "const_int
578431098682540545" 1
FAIL: gcc.target/i386/memcpy-pr95886.c scan-rtl-dump-times expand "const_int
578437695685198337" 1
FAIL: gcc.target/i386/memcpy-pr95886.c scan-rtl-dump-times expand "const_int
578437695752110593" 1
FAIL: gcc.target/i386/memcpy-pr95886.c scan-rtl-dump-times expand "const_int
578437695752306689" 1
FAIL: gcc.target/i386/memcpy-pr95886.c scan-rtl-dump-times expand "const_int
578437695752307200" 1
FAIL: gcc.target/i386/memcpy-pr95886.c scan-rtl-dump-times expand "const_int
578437695752307201" 2
with GCC configured with
Configured with: ../../gcc/configure
--prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-10/releases/gcc-10/r10-8871/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="i386.exp=gcc.target/i386/memcpy-pr95886.c
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/memcpy-pr95886.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)
