gcc:
2009-02-06  Paolo Bonzini  <bonzini@gnu.org>

	* config/i386/i386.md: Add two new peephole2 to avoid mov followed
	by arithmetic with memory operands.
	* config/i386/predicates.md (commutative_operator): New.

gcc/testsuite:
2009-02-06  Paolo Bonzini  <bonzini@gnu.org>

	* gcc.target/i386/pr38824.c: New testcase.

From-SVN: r144098