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tree-ssa.c (maybe_optimize_var): Drop TREE_ADDRESSABLE from vector or complex vars even if...

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* tree-ssa.c (maybe_optimize_var): Drop TREE_ADDRESSABLE
	from vector or complex vars even if their DECL_UID is in not_reg_needs
	bitmap.

Co-Authored-By: Richard Guenther <rguenther@suse.de>

From-SVN: r179930
This commit is contained in:
Jakub Jelinek 2011-10-13 18:09:12 +02:00 committed by Jakub Jelinek
parent a520f3c39d
commit 9a6b63c3d5
2 changed files with 9 additions and 0 deletions
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gcc/ChangeLog
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@ -1,3 +1,10 @@
2011-10-13 Jakub Jelinek <jakub@redhat.com>
Richard Guenther <rguenther@suse.de>
* tree-ssa.c (maybe_optimize_var): Drop TREE_ADDRESSABLE
from vector or complex vars even if their DECL_UID is in not_reg_needs
bitmap.
2011-10-13 Jakub Jelinek <jakub@redhat.com>
* config/i386/sse.md (reduc_umin_v8hi): New pattern.

2
gcc/tree-ssa.c
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@ -1963,6 +1963,8 @@ maybe_optimize_var (tree var, bitmap addresses_taken, bitmap not_reg_needs)
a non-register. Otherwise we are confused and forget to
add virtual operands for it. */
&& (!is_gimple_reg_type (TREE_TYPE (var))
|| TREE_CODE (TREE_TYPE (var)) == VECTOR_TYPE
|| TREE_CODE (TREE_TYPE (var)) == COMPLEX_TYPE
|| !bitmap_bit_p (not_reg_needs, DECL_UID (var))))
{
TREE_ADDRESSABLE (var) = 0;