From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 513573858039; Wed, 19 Jul 2023 08:26:05 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 513573858039 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1689755165; bh=WbIydSM0CEzYoQr/7xj+dqSZy+q7lLhaUKL8ihK3sv0=; h=From:To:Subject:Date:In-Reply-To:References:From; b=gqyqy6ByP7qk9IGirRXaoHyFgi2y/jugRqSsLJw/F275CVey6uXVo12MqQRevROHm uWW2o9pXVVX3Grpg6XmXYp1J09IllFnfh4Ju4xmio7rQKqikdlbJnDpmWeXFHQbKnP E2Ur7LMxYDiPhqFv11IE5YpvR7y50iaTad1HPn04= From: "javier.martinez.bugzilla at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/110724] Unnecessary alignment on branch to unconditional branch targets Date: Wed, 19 Jul 2023 08:26:04 +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: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: javier.martinez.bugzilla at gmail dot com X-Bugzilla-Status: NEW 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=3D110724 --- Comment #7 from Javier Martinez --- Another case where it might be interesting to remove padding (or reduce the= :m threshold) is when the path is known to be cold. I can see Trunk padding la= bels inside [clone .cold], and with attribute((cold)) && __builtin_expect hints= .=