From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 29608 invoked by alias); 27 Jan 2015 09:43:38 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 29496 invoked by uid 48); 27 Jan 2015 09:43:31 -0000 From: "ktkachov at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/64821] New: [AArch64] Improve target folding for vsqrt_f64 intrinsic Date: Tue, 27 Jan 2015 09:43:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 5.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: minor X-Bugzilla-Who: ktkachov at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED 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: bug_id short_desc product version bug_status keywords bug_severity priority component assigned_to reporter Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2015-01/txt/msg03031.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64821 Bug ID: 64821 Summary: [AArch64] Improve target folding for vsqrt_f64 intrinsic Product: gcc Version: 5.0 Status: UNCONFIRMED Keywords: missed-optimization Severity: minor Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: ktkachov at gcc dot gnu.org Following the implementation of vsqrt_f64 with a target builtin: https://gcc.gnu.org/ml/gcc-patches/2015-01/msg00699.html it was suggested to add some target folding code into a sqrt when -fno-math-errno is given: https://gcc.gnu.org/ml/gcc-patches/2015-01/msg00710.html This issue tracks that work that should be done for GCC 6