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Re: optimization/6405: Loop-unrolling related performance regressions


Synopsis: Loop-unrolling related performance regressions

State-Changed-From-To: open->closed
State-Changed-By: sayle
State-Changed-When: Sun Sep  8 11:47:35 2002
State-Changed-Why:
    This has now been fixed on mainline by the following patch:
    
    2002-09-08  Roger Sayle  <roger@eyesopen.com>
    
            PR optimization/6405
            * unroll.c (loop_iterations): last_loop_insn should be the previous
            non-note instruction before loop->end.
            * loop.c (strength_reduce): The conditional jump is the last
            non-note instruction before loop->end (as above).

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=6405


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