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r149780 - in /trunk/gcc: ChangeLog combine.c
- From: nemet at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Sat, 18 Jul 2009 21:52:48 -0000
- Subject: r149780 - in /trunk/gcc: ChangeLog combine.c
Author: nemet
Date: Sat Jul 18 21:52:48 2009
New Revision: 149780
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=149780
Log:
* combine.c (try_widen_shift_mode): Add COUNT, OUTER_CODE and
OUTER_CONST arguments.
<LSHIFTRT>: Use them to allow widening if the bits shifted in from
the new wider mode will be masked off.
(simplify_shift_const_1): Adjust calls to try_widen_shift_mode.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/combine.c