tree.h (fold_real_zero_addition_p): Declare.
authorRichard Guenther <rguenther@suse.de>
Wed, 20 Feb 2008 14:13:47 +0000 (14:13 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Wed, 20 Feb 2008 14:13:47 +0000 (14:13 +0000)
commit2dc0f63301e9bddc5520f2a283d7a8bfdac21fb6
treec5e05848bec7920261ee516331b46b45437148c4
parent1c8bd6a397365e8cc69507f8c311f1fda3d6ebec
tree.h (fold_real_zero_addition_p): Declare.

2008-02-20  Richard Guenther  <rguenther@suse.de>

* tree.h (fold_real_zero_addition_p): Declare.
* fold-const.c (fold_real_zero_addition_p): Export.
* tree-ssa-reassoc.c (eliminate_using_constants): Also handle
floating-point operations with zero and one.

* gcc.dg/tree-ssa/reassoc-13.c: New testcase.

From-SVN: r132480
gcc/ChangeLog
gcc/fold-const.c
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.dg/tree-ssa/reassoc-13.c [new file with mode: 0644]
gcc/tree-ssa-reassoc.c
gcc/tree.h