From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id D1C8E385AF84; Thu, 13 Jul 2023 06:34:44 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D1C8E385AF84 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1689230084; bh=zPrM2dk1axt8CcfvBkaoG3Gn74GbmHFrsVXGV4xJFLo=; h=From:To:Subject:Date:In-Reply-To:References:From; b=WB2L8Qgvl8HCE5chpSJfy8uSQADflKKClLJg/1BRuvcpgc8VBsKIMqjbr4jfdFqoD Kq9OX08GouGR4f1AIwxGpZrGWZqdPCEZradH7DpV66yKpng0OpfKvGa5r8hszHe/+x jwOnkb1ZSJN+2T9BsT7dXMWrj4sbpx+2DCdaKUJg= From: "malat at debian dot org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/110643] aarch64: Miscompilation at O1 level (O0 is working) Date: Thu, 13 Jul 2023 06:34:44 +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: 13.1.0 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: malat at debian dot org 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 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110643 --- Comment #5 from Mathieu Malaterre --- > We are going to need a self contained testcase to figure this out ... You are not going to like it. Anyway here it goes: [using Debian sid/arm64] $ git clone https://github.com/google/highway.git $ export CXX=3D-O1 $ export CXXFLAGS=3Dg++-13 $ cmake -S highway -B build -DHWY_SYSTEM_GTEST=3DON $ cmake --build build -- -j8 math_test $ ctest --test-dir build -R HwyMathTestGroup/HwyMathTest.TestAllAtan2/NEON_WITHOUT_AES I can provide the *.ii file if needed.=