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[Bug middle-end/51895] [4.7 Regression] ICE in simplify_subreg
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 19 Jan 2012 12:33:55 +0000
- Subject: [Bug middle-end/51895] [4.7 Regression] ICE in simplify_subreg
- Auto-submitted: auto-generated
- References: <bug-51895-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51895
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-01-19 12:33:55 UTC ---
Created attachment 26377
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26377
gcc47-pr51895.patch
Untested patch that attempts to fix BLKmode MEM_REF expansion with
non-DECL_ADDRESSABLE non-BLKmode base. It creates abysmal code, so IMNSHO
eipa_sra should be fixed not to do this.