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(parent: b641d7f) | patch
combine.c (try_widen_shift_mode): Allow widening if the high-order bits are zero.
authorAdam Nemet <anemet@caviumnetworks.com>
Sat, 18 Jul 2009 21:48:19 +0000 (21:48 +0000)
committerAdam Nemet <nemet@gcc.gnu.org>
Sat, 18 Jul 2009 21:48:19 +0000 (21:48 +0000)
commit3e63dd3a366d314071d1568917c5a9887d113d68
treed2ca640a0b4806375951e0d2cc773e62985e8754tree
parentb641d7fca3c917bd40da5de8e9f16876bdd4a5dfcommit | diff
combine.c (try_widen_shift_mode): Allow widening if the high-order bits are zero.

* combine.c (try_widen_shift_mode) <LSHIFTRT>: Allow widening if the
high-order bits are zero.

From-SVN: r149779
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