lower-subreg.c (subreg_context): New static bitmap.
authorBernd Schmidt <bernds@codesourcery.com>
Wed, 14 Jul 2010 15:17:28 +0000 (15:17 +0000)
committerBernd Schmidt <bernds@gcc.gnu.org>
Wed, 14 Jul 2010 15:17:28 +0000 (15:17 +0000)
commit402464a01f94f1978277aa360ff15e1af0a11543
tree0d942eece72d3638f3d5e0c7f55262afe7c363cd
parentbf9899d44b2e83156d90e3b4c48765d57cea5061
lower-subreg.c (subreg_context): New static bitmap.

* lower-subreg.c (subreg_context): New static bitmap.
(decompose_multiword_subregs): Allocate and free it.
(find_decomposable_subregs): Set a bit in it for a register that
occurs in a subreg that changes mode but not size.
(can_decompose_p): Test it instead of non_decomposable_context.

From-SVN: r162181
gcc/ChangeLog
gcc/lower-subreg.c