From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id BB98C3858295; Thu, 7 Jul 2022 08:00:18 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org BB98C3858295 From: "mathieu.malaterre at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/106187] armhf: Miscompilation at O2 level (O0 / O1 are working) Date: Thu, 07 Jul 2022 08:00:18 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 10.4.0 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: mathieu.malaterre at gmail dot com X-Bugzilla-Status: WAITING X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 Jul 2022 08:00:18 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106187 --- Comment #10 from Mathieu Malaterre = --- I did upload the bad (gcc-11) and the good (gcc-12) object files. Not sure = if this is what was expected. In any case let me know if you want to provide m= ore info. % gdb -batch -ex "disassemble/rs _ZN3hwy8N_EMU12813TestAllMulAddEv" CMakeFiles/mul_test.dir/hwy/tests/mul_test.cc.o Dump of assembler code for function _ZN3hwy8N_EMU12813TestAllMulAddEv: /home/malat/highway/hwy/tests/mul_test.cc: 343 HWY_NOINLINE void TestAllMulAdd() { 344 //ForFloatTypes(ForPartialVectors()); 345 TestMulAdd()(float(), FixedTag()); 0x0000ead8 <+0>: fa f7 64 bb b.w 0x91a4 <_ZN3hwy8N_EMU12810TestMulAddclIfNS0_4SimdIfLj4ELi0EEEEEvT_T0_> End of assembler dump.=