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Date: Thu, 16 Dec 2004 15:52:00 -0000
From: "dje at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Message-ID: <20041216155140.19038.dje@gcc.gnu.org>
Reply-To: gcc-bugzilla@gcc.gnu.org
Subject: [Bug rtl-optimization/19038] New: Loop header copying
X-Bugzilla-Reason: CC
X-SW-Source: 2004-12/txt/msg02389.txt.bz2
List-Id: <gcc-bugs.sourceware.org>

Loop header copying would allow some loops to be transformed from two or more 
basic blocks into a single basic block, allowing better scheduling of the 
instructions in the loop.  This would help SPEC CPU2000 sixtrack benchmark, 
for example.

-- 
           Summary: Loop header copying
           Product: gcc
           Version: 4.0.0
            Status: UNCONFIRMED
          Keywords: missed-optimization
          Severity: enhancement
          Priority: P2
         Component: rtl-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: dje at gcc dot gnu dot org
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: *-*-*
  GCC host triplet: *-*-*
GCC target triplet: *-*-*


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19038