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From: "sunil.k.pandey" <skpandey@sc.intel.com>
To: gcc-patches@gcc.gnu.org, gcc-regression@gcc.gnu.org,
hongtao.liu@intel.com
Subject: [r12-4240 Regression] FAIL: libgomp.c++/scan-9.C scan-tree-dump-times vect "vectorized [2-6] loops" 2 on Linux/x86_64
Date: Fri, 08 Oct 2021 10:27:01 -0700 [thread overview]
Message-ID: <20211008172701.151452864721@gskx-2.sc.intel.com> (raw)
On Linux/x86_64,
2b8453c401b699ed93c085d0413ab4b5030bcdb8 is the first bad commit
commit 2b8453c401b699ed93c085d0413ab4b5030bcdb8
Author: liuhongt <hongtao.liu@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)
next reply other threads:[~2021-10-08 17:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-08 17:27 sunil.k.pandey [this message]
2021-10-09 2:53 ` Hongtao Liu
2021-10-09 2:57 ` Hongtao Liu
-- strict thread matches above, loose matches on Subject: below --
2021-10-08 12:01 sunil.k.pandey
2021-10-09 2:52 ` Hongtao Liu
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