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[Bug target/42210] avr: optimizing assignment to a bit field
- From: "gjl at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 6 Jun 2011 09:01:14 +0000
- Subject: [Bug target/42210] avr: optimizing assignment to a bit field
- Auto-submitted: auto-generated
- References: <bug-42210-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42210
--- Comment #4 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2011-06-06 09:00:41 UTC ---
Author: gjl
Date: Mon Jun 6 09:00:36 2011
New Revision: 174685
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=174685
Log:
PR target/42210
* config/avr/predicates.md (const1_operand, const_0_to_7_operand):
New predicates.
* config/avr/avr.md ("insv"): New insn expander.
("*movbitqi.1-6.a", "*movbitqi.1-6.b", "*movbitqi.0", "*insv.io",
"*insv.not.io", "*insv.reg"): New insns.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/avr/avr.md
trunk/gcc/config/avr/predicates.md