From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id AF5B43858CDB; Tue, 19 Mar 2024 15:40:58 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org AF5B43858CDB DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1710862858; bh=tm2XJtjGPVsM27XxuktciAQaMoSTSu0m5+oDpMzllH0=; h=From:To:Subject:Date:In-Reply-To:References:From; b=eeRuqEQEyjbFsgliPu0QhAWFxb8/r6S8ACee9WSG9B5AmYXHgXSeDBi3v7dbt2aeH 53eNx4CHtW3Qr0qlayzLsvRRAPWKNqd5p0YL2/RWxXxRNjekZ54uORuQCGutMiO2mA lJ2oY5lOeXJ1Qt/PUnf9cGeeJWHfKdGN0pjMJPT8= From: "patrick at rivosinc dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/114396] [14] RISC-V rv64gcv vector: Runtime mismatch at -O3 with -fwrapv Date: Tue, 19 Mar 2024 15:40:58 +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: 14.0 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: patrick at rivosinc dot com X-Bugzilla-Status: UNCONFIRMED 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=3D114396 --- Comment #1 from Patrick O'Neill --- Here's the result when running with -fwrapv on rv64gcv at O2: > /scratch/tc-testing/tc-mar-18/build-rv64gcv/bin/riscv64-unknown-linux-gnu= -gcc -march=3Drv64gcv -O2 red.c -o red.out -fwrapv > /scratch/tc-testing/tc-mar-18/build-rv64gcv/bin/qemu-riscv64 red.out decimal: 2283 hex: 8EB=