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From: "haochen.jiang" <haochenj@ecsmtp.sh.intel.com>
To: rguenther@suse.de, gcc-regression@gcc.gnu.org,
	gcc-patches@gcc.gnu.org, haochen.jiang@intel.com
Subject: [r13-6873 Regression] FAIL: gcc.dg/guality/pr54200.c   -Os  -DPREVENT_OPTIMIZATION  line 20 z == 3 on Linux/x86_64
Date: Wed, 29 Mar 2023 16:22:01 +0800	[thread overview]
Message-ID: <202303290822.32T8M1Jm2468957@shliclel4214.sh.intel.com> (raw)

On Linux/x86_64,

776a5bb5894315ab144dc74222fc580fde8fdd87 is the first bad commit
commit 776a5bb5894315ab144dc74222fc580fde8fdd87
Author: Richard Biener <rguenther@suse.de>
Date:   Wed Mar 22 10:05:19 2023 +0100

    rtl-optimization/109237 - speedup bb_is_just_return

caused

FAIL: gcc.dg/guality/pr54200.c  -Og -DPREVENT_OPTIMIZATION  line 20 z == 3
FAIL: gcc.dg/guality/pr54200.c   -Os  -DPREVENT_OPTIMIZATION  line 20 z == 3

with GCC configured with

../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r13-6873/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="guality.exp=gcc.dg/guality/pr54200.c --target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="guality.exp=gcc.dg/guality/pr54200.c --target_board='unix{-m64\ -march=cascadelake}'"

(Please do not reply to this email, for question about this report, contact me at haochen dot jiang at intel.com)

                 reply	other threads:[~2023-03-29  8:22 UTC|newest]

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