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[Bug rtl-optimization/52113] [4.7 regression][lower-subreg.c] ICE: in extract_insn, at recog.c:2123
- 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: Sat, 04 Feb 2012 12:47:58 +0000
- Subject: [Bug rtl-optimization/52113] [4.7 regression][lower-subreg.c] ICE: in extract_insn, at recog.c:2123
- Auto-submitted: auto-generated
- References: <bug-52113-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52113
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-02-04 12:47:58 UTC ---
Author: jakub
Date: Sat Feb 4 12:47:55 2012
New Revision: 183894
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=183894
Log:
PR rtl-optimization/52113
* lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
even for decomposable shift/zext insns.
* gcc.target/avr/pr52113.c: New test.
Added:
trunk/gcc/testsuite/gcc.c-torture/compile/pr52113.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/lower-subreg.c
trunk/gcc/testsuite/ChangeLog