On Linux/x86_64,
2b8453c401b699ed93c085d0413ab4b5030bcdb8 is the first bad commit
commit 2b8453c401b699ed93c085d0413ab4b5030bcdb8
Author: liuhongt <hongtao....@intel.com>
Date: Mon Sep 6 13:48:49 2021 +0800
Enable auto-vectorization at O2 with very-cheap cost model.
caused
FAIL: gcc.dg/optimize-bswapsi-5.c scan-tree-dump-times optimized "=
__builtin_bswap32 \\(" 2
FAIL: gcc.dg/optimize-bswapsi-6.c scan-tree-dump store-merging "32 bit bswap
implementation found at"
FAIL: gcc.dg/torture/pr69760.c -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects (test for excess errors)
FAIL: gcc.dg/Warray-bounds-51.c target { i?86-*-* x86_64-*-* } (test for
warnings, line 41)
FAIL: gcc.dg/Wstringop-overflow-14.c target { i?86-*-* x86_64-*-* } (test for
warnings, line 38)
FAIL: g++.dg/tree-ssa/pr94403.C scan-tree-dump-times store-merging
"__builtin_bswap32" 1
FAIL: g++.dg/tree-ssa/pr94403.C scan-tree-dump-times store-merging
"__builtin_bswap64" 1
with GCC configured with
../../gcc/configure
--prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r12-4240/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/optimize-bswapsi-5.c --target_board='unix{-m64\
-march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=gcc.dg/optimize-bswapsi-6.c --target_board='unix{-m32\
-march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=gcc.dg/optimize-bswapsi-6.c --target_board='unix{-m64\
-march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg-torture.exp=gcc.dg/torture/pr69760.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=gcc.dg/Warray-bounds-51.c --target_board='unix{-m32\
-march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=gcc.dg/Warray-bounds-51.c --target_board='unix{-m64\
-march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=gcc.dg/Wstringop-overflow-14.c --target_board='unix{-m32\
-march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=gcc.dg/Wstringop-overflow-14.c --target_board='unix{-m64\
-march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=g++.dg/tree-ssa/pr94403.C --target_board='unix{-m64\
-march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libgomp/testsuite && make check
RUNTESTFLAGS="c++.exp=libgomp.c-c++-common/lastprivate-conditional-7.c
--target_board='unix{-m32}'"
$ cd {build_dir}/x86_64-linux/libgomp/testsuite && make check
RUNTESTFLAGS="c++.exp=libgomp.c-c++-common/lastprivate-conditional-7.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libgomp/testsuite && make check
RUNTESTFLAGS="c++.exp=libgomp.c-c++-common/lastprivate-conditional-7.c
--target_board='unix{-m64}'"
$ cd {build_dir}/x86_64-linux/libgomp/testsuite && make check
RUNTESTFLAGS="c++.exp=libgomp.c-c++-common/lastprivate-conditional-7.c
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libgomp/testsuite && make check
RUNTESTFLAGS="c++.exp=libgomp.c-c++-common/lastprivate-conditional-8.c
--target_board='unix{-m32}'"
$ cd {build_dir}/x86_64-linux/libgomp/testsuite && make check
RUNTESTFLAGS="c++.exp=libgomp.c-c++-common/lastprivate-conditional-8.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libgomp/testsuite && make check
RUNTESTFLAGS="c++.exp=libgomp.c-c++-common/lastprivate-conditional-8.c
--target_board='unix{-m64}'"
$ cd {build_dir}/x86_64-linux/libgomp/testsuite && make check
RUNTESTFLAGS="c++.exp=libgomp.c-c++-common/lastprivate-conditional-8.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)
