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r170179 - in /trunk/gcc: ChangeLog combine.c te...


Author: hjl
Date: Tue Feb 15 16:50:43 2011
New Revision: 170179

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=170179
Log:
Check zero/sign extended hard registers.

gcc/

2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/47725
	* combine.c (cant_combine_insn_p): Check zero/sign extended
	hard registers.

gcc/testsuite/

2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/47725
	* gcc.dg/torture/pr47725.c: New.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr47725.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/combine.c
    trunk/gcc/testsuite/ChangeLog


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