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r205807 - in /trunk/gcc: ChangeLog config/arm/a...


Author: rearnsha
Date: Mon Dec  9 14:54:00 2013
New Revision: 205807

URL: http://gcc.gnu.org/viewcvs?rev=205807&root=gcc&view=rev
Log:
	PR rtl-optimization/54300

gcc/

	PR rtl-optimization/54300
	* regcprop.c (copyprop_hardreg_forward_1): Ensure any unused
	outputs in a single-set are killed from the value chains.

gcc/testsuite:

	PR rtl-optimization/54300
	* gcc.target/arm/pr54300.C: New test.


Added:
    trunk/gcc/testsuite/gcc.target/arm/ldrd-strd-offset.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/arm/arm.c
    trunk/gcc/testsuite/ChangeLog


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