| commit | 47da8b49c58ee20fa06791b9ca20965339301a87 | |
| author | sayle <sayle@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Sat, 25 Feb 2006 22:27:54 +0000 (25 22:27 +0000) | ||
| committer | sayle <sayle@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Sat, 25 Feb 2006 22:27:54 +0000 (25 22:27 +0000) | ||
| tree | 33a222942c6e3c0053613f0b378d977c6e36e141 | treesnapshot (tar.gz zip) |
| parent | 59da30e18db6518a527b4e6ad223deaab4bd71a9 | commitdiff |
PR middle-end/23673
* fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
symmetry related transformations. Fold (X^C1) == C2 as
X == (C1^C2).
* gcc.dg/fold-eqxor-1.c: New test case.
* gcc.dg/fold-eqxor-2.c: Likewise.
* gcc.dg/fold-eqxor-3.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@111442 138bc75d-0d04-0410-961f-82ee72b054a4
* fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
symmetry related transformations. Fold (X^C1) == C2 as
X == (C1^C2).
* gcc.dg/fold-eqxor-1.c: New test case.
* gcc.dg/fold-eqxor-2.c: Likewise.
* gcc.dg/fold-eqxor-3.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@111442 138bc75d-0d04-0410-961f-82ee72b054a4
| gcc/ChangeLog | diffblobblamehistory | |
| gcc/fold-const.c | diffblobblamehistory | |
| gcc/testsuite/ChangeLog | diffblobblamehistory | |
| gcc/testsuite/gcc.dg/fold-eqxor-1.c | [new file with mode: 0644] | blob |
| gcc/testsuite/gcc.dg/fold-eqxor-2.c | [new file with mode: 0644] | blob |
| gcc/testsuite/gcc.dg/fold-eqxor-3.c | [new file with mode: 0644] | blob |