OSDN Git Service

* simplify-rtx.c (simplify_relational_operation_1): Simplify
authorsayle <sayle@138bc75d-0d04-0410-961f-82ee72b054a4>
Sat, 25 Feb 2006 22:29:48 +0000 (22:29 +0000)
committersayle <sayle@138bc75d-0d04-0410-961f-82ee72b054a4>
Sat, 25 Feb 2006 22:29:48 +0000 (22:29 +0000)
commitc11ee82609faee40620ebe18ae6b627060effab7
tree3639946e27528ed722acbb12268a53cb71913145
parent47da8b49c58ee20fa06791b9ca20965339301a87
* simplify-rtx.c (simplify_relational_operation_1):  Simplify
(X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y.  Simplify (X^Y) == Y
as X == 0, and some symmetry related transformations.
Simplify (X^C1) == C2 as X == (C1^C2).  Split long comment line.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@111443 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/simplify-rtx.c