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[Bug rtl-optimization/49936] [4.7 Regression] IRA handles CANNOT_CHANGE_MODE_CLASS poorly, + spills to memory on 4.7
- From: "sandra at codesourcery dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 16 Aug 2011 04:13:02 +0000
- Subject: [Bug rtl-optimization/49936] [4.7 Regression] IRA handles CANNOT_CHANGE_MODE_CLASS poorly, + spills to memory on 4.7
- Auto-submitted: auto-generated
- References: <bug-49936-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49936
--- Comment #3 from Sandra Loosemore <sandra at codesourcery dot com> 2011-08-16 04:13:02 UTC ---
Hmmm. Is it possible to make the INT/memory/whatever decision based on move
costs? Or use a target hook to supply a hint about what to do?