r151149 - in /trunk/gcc: ChangeLog simplify-rtx...

Thu Aug 27 20:54:00 GMT 2009

Author: uros
Date: Thu Aug 27 20:54:28 2009
New Revision: 151149

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=151149
Log:
	PR rtl-optimization/40861
	* simplify-rtx.c (simplify_subreg): Do not call simplify_gen_subreg to
	extract word from a multi-word subreg for negative byte positions.

testsuite/ChangeLog:

	PR rtl-optimization/40861
	* gcc.dg/pr40861.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/pr40861.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/simplify-rtx.c
    trunk/gcc/testsuite/ChangeLog