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[Bug middle-end/17235] code quality regression 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: 30 Aug 2004 16:07:06 -0000
- Subject: [Bug middle-end/17235] code quality regression on x86
- References: <20040830054012.17235.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 2004-08-30 16:07 -------
(In reply to comment #1)
> Actually this is invalid, if you want to optimizate for size use -Os, push/pop
are not faster than mov on
> i686 and pentium3
Are you sure about this? Intel's compiler generates push/pop for i686/p3 too.
And they usually get little details like this right.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17235