From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 84375 invoked by alias); 26 Oct 2015 08:48:54 -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 84321 invoked by uid 48); 26 Oct 2015 08:48:50 -0000 From: "rsandifo at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/68097] New: We should track ranges for floating-point values too Date: Mon, 26 Oct 2015 08:48:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: unknown X-Bugzilla-Keywords: X-Bugzilla-Severity: enhancement X-Bugzilla-Who: rsandifo at gcc dot gnu.org 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: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter target_milestone 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: 2015-10/txt/msg02096.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68097 Bug ID: 68097 Summary: We should track ranges for floating-point values too Product: gcc Version: unknown Status: UNCONFIRMED Severity: enhancement Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: rsandifo at gcc dot gnu.org Target Milestone: --- We have functions to query things like whether a real is nonnegative and whether it is integer-valued. At the moment we recurse through SSA name definitions, limited by --param max-ssa-name-query-depth, but it would be better to record this information alongside the SSA name, as range_info_def does for integers.