From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1130) id CF7883858436; Wed, 16 Feb 2022 10:21:39 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org CF7883858436 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: Richard Sandiford To: gcc-cvs@gcc.gnu.org Subject: [gcc r12-7261] aarch64: Tweak atomic-inst-cas.c options X-Act-Checkin: gcc X-Git-Author: Richard Sandiford X-Git-Refname: refs/heads/trunk X-Git-Oldrev: a01ba10b9fffe1b6e8947cc17f367720aeab7126 X-Git-Newrev: f31924f72a99eaa9d4d1f7e0579152d8ecc0981e Message-Id: <20220216102139.CF7883858436@sourceware.org> Date: Wed, 16 Feb 2022 10:21:39 +0000 (GMT) X-BeenThere: gcc-cvs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-cvs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 16 Feb 2022 10:21:39 -0000 https://gcc.gnu.org/g:f31924f72a99eaa9d4d1f7e0579152d8ecc0981e commit r12-7261-gf31924f72a99eaa9d4d1f7e0579152d8ecc0981e Author: Richard Sandiford Date: Wed Feb 16 10:21:14 2022 +0000 aarch64: Tweak atomic-inst-cas.c options atomic-inst-cas.c has code to skip __atomic_compare_exchange_n calls for invalid memory orderings, but -Winvalid-memory-model applies before the dead code is removed (which is the right behaviour IMO). This patch therefore suppresses the warning for this test. gcc/testsuite/ * gcc.target/aarch64/atomic-inst-cas.c: Add -Wno-invalid-memory-model. Diff: --- gcc/testsuite/gcc.target/aarch64/atomic-inst-cas.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/gcc/testsuite/gcc.target/aarch64/atomic-inst-cas.c b/gcc/testsuite/gcc.target/aarch64/atomic-inst-cas.c index f6f28922319..0b4533adade 100644 --- a/gcc/testsuite/gcc.target/aarch64/atomic-inst-cas.c +++ b/gcc/testsuite/gcc.target/aarch64/atomic-inst-cas.c @@ -1,5 +1,7 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -march=armv8-a+lse" } */ +/* -Winvalid-memory-model warnings are issued before the dead invalid calls + are removed. */ +/* { dg-options "-O2 -march=armv8-a+lse -Wno-invalid-memory-model" } */ /* Test ARMv8.1-A CAS instruction. */