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[Bug target/23302] [4.1 Regression] extra move generated on x86
- 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: 28 Sep 2005 17:30:02 -0000
- Subject: [Bug target/23302] [4.1 Regression] extra move generated on x86
- References: <20050809220454.23302.dann@godzilla.ics.uci.edu>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From dann at godzilla dot ics dot uci dot edu 2005-09-28 17:29 -------
(In reply to comment #2)
> While it might be probably possible to design peephole or combiner insn patter
> I am tempted to close this and PR 23303 as WONTFIX as it seems to me we was
> optimizing this by pure luck and the patch seems to have overall positive effect
> on code size...
IMHO closing these bugs as WONTFIX is not the right thing to do. This is clearly
a missed optimization opportunity. The fact that it worked by chance before your
(overall good) patch does not make fixing this issue less desirable.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23302