From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id D600C382EF10; Wed, 7 Dec 2022 14:32:01 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D600C382EF10 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1670423521; bh=rR0VmY723NOgc5VAQ05LHA6ZzYvKiB/3ZUXz5TxdTi4=; h=From:To:Subject:Date:In-Reply-To:References:From; b=ZIAgR9f+q9JjWUxYxb7opF5M1D+SMRVpTnR5t+A+uCS48Tg1Lg7qHnSLy1tq47P8b vnjkM844rq8jfmajGUAocSR4WGEKdY3QqkrCk2QFagZkwiij+6LSE+1B/kFNo2J8Lz ifseeri5tMVW+l3FzSpQHFN+fZDLwrUxj2CgkWaU= From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/107627] [13 Regression] int128_t shift generates extra xor/or. Date: Wed, 07 Dec 2022 14:31:59 +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: 13.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub at gcc dot gnu.org X-Bugzilla-Status: RESOLVED X-Bugzilla-Resolution: FIXED X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: jakub at gcc dot gnu.org X-Bugzilla-Target-Milestone: 13.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.created 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=3D107627 --- Comment #10 from Jakub Jelinek --- Created attachment 54034 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D54034&action=3Dedit gcc13-pr107627-imm.patch Untested patch to improve the case where one of the concat operand is const= ant.=