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r190338 - in /branches/gcc-4_7-branch/gcc: Chan...


Author: jakub
Date: Mon Aug 13 07:35:03 2012
New Revision: 190338

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190338
Log:
	Backported from trunk
	2012-07-19  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/53942
	* function.c (assign_parm_setup_reg): Avoid zero/sign extension
	directly from likely spilled non-fixed hard registers, move them
	to pseudo first.

	* gcc.dg/pr53942.c: New test.

Added:
    branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/pr53942.c
Modified:
    branches/gcc-4_7-branch/gcc/ChangeLog
    branches/gcc-4_7-branch/gcc/function.c
    branches/gcc-4_7-branch/gcc/testsuite/ChangeLog


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