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[Bug rtl-optimization/23523] peephole2 causes code size on i686
- From: "dann at godzilla dot ics dot uci dot edu" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 3 Nov 2005 02:34:46 -0000
- Subject: [Bug rtl-optimization/23523] peephole2 causes code size on i686
- References: <bug-23523-1008@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #10 from dann at godzilla dot ics dot uci dot edu 2005-11-03 02:34 -------
(In reply to comment #9)
> Have you tested the speed? As I said I really doubt it makes a real world
> change in terms of speed. This is different from code size.
I am not sure what kind of answer you expect here.
Speed and code size are not disjoint. Think about I-cache and I-TLB misses.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23523