From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 1CA9E3858D28; Wed, 25 Jan 2023 17:50:26 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 1CA9E3858D28 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1674669026; bh=ntLZjL9thsx5EZ3XQAZOPu+l67XmgVpEUYKeVJo6K70=; h=From:To:Subject:Date:In-Reply-To:References:From; b=ghGKAF7AV5GJnRRiL3IWoX3RoJtOW0N6YfFOHC1CSei3Ng9z9l5ww7VUeBSHQD2Qc OIf26pPmNt7IuuVJ3qFG4ZeAIbYEl83vczcvSJkgkrmltYzuTVhd32UjL4kA98nfbn KWLGkvVXSJvlmB/+6ey+ahEoJbDYDEfU5fej1nks= From: "rearnsha at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/100000] non-leaf epologue/prologue used if MVE v4sf is used for load/return Date: Wed, 25 Jan 2023 17:50:26 +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: 11.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: rearnsha at gcc dot gnu.org 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=3D100000 --- Comment #3 from Richard Earnshaw --- Given that the hard-float ABI essentially requires V4SF as a type, it might= be better to consider this mode supported unconditionally in this case, and although that might make the compiler try some pointless vectorizations it would generate better code for cases like this.=