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[Bug target/11180] [avr-gcc] Optimization decrease performance of struct assignment.
- From: "rask at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 18 Sep 2007 07:14:02 -0000
- Subject: [Bug target/11180] [avr-gcc] Optimization decrease performance of struct assignment.
- References: <bug-11180-6291@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #23 from rask at gcc dot gnu dot org 2007-09-18 07:14 -------
> configure:10398: error: unrecognizable insn:
> (insn 105 104 106 2 (set (subreg:QI (reg/f:HI 52) 0)
> (subreg:QI (label_ref:HI 57) 0)) -1 (nil))
> configure:10398: internal compiler error: in extract_insn, at recog.c:1990
In define_insn_and_split "*movhi", add the line
&& LABEL_REF != GET_CODE (operands[1])
where it already says
&& SYMBOL_REF != GET_CODE (operands[1])
and the error should go away.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11180