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[Bug regression/40667] Performance regression: stack frames are generated even with -fomit-frame-pointer
- From: "mikulas at artax dot karlin dot mff dot cuni dot cz" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 7 Jul 2009 16:48:19 -0000
- Subject: [Bug regression/40667] Performance regression: stack frames are generated even with -fomit-frame-pointer
- References: <bug-40667-1600@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from mikulas at artax dot karlin dot mff dot cuni dot cz 2009-07-07 16:48 -------
"Why do you limit your stack boundary artificially?"
Because if I don't use FP code there is no point in aligning the stack.
Aligning the stack wastes stack space and code size and doesn't improve
performance of integer code in any way.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40667