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[Bug tree-optimization/37916] [4.0 Regression] SSA names causing register pressure; unnecessarily many simultaneously "live" names.
- From: "hp at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 25 Oct 2008 21:06:57 -0000
- Subject: [Bug tree-optimization/37916] [4.0 Regression] SSA names causing register pressure; unnecessarily many simultaneously "live" names.
- References: <bug-37916-507@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from hp at gcc dot gnu dot org 2008-10-25 21:06 -------
Created an attachment (id=16544)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16544&action=view)
Assembly output corresponding to gcc-4.3.3 (gcc-4_3-branch at 141344)
Similar: for cris-axis-elf, with -O2 -march=v10 -mno-mul-bug-workaround
-fno-ivopts -fno-reorder-blocks -fno-gcse
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37916