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r153650 - in /trunk/gcc: ChangeLog config/arm/a...


Author: bonzini
Date: Wed Oct 28 10:17:29 2009
New Revision: 153650

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=153650
Log:
2009-10-28  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/40741
	* config/arm/arm.c (thumb1_rtx_costs): IOR or XOR with
	a small constant is cheap.
	* config/arm/arm.md (andsi3, iorsi3): Try to place the result of
	force_reg on the LHS.
	(xorsi3): Likewise, and split the XOR if the constant is complex
	and not in Thumb mode.

2009-10-28  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/40741
	* gcc.target/arm/thumb-branch1.c: New.

Added:
    trunk/gcc/testsuite/gcc.target/arm/thumb-branch1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/arm/arm.c
    trunk/gcc/config/arm/arm.md
    trunk/gcc/testsuite/ChangeLog


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