diff options
| author | pinskia <pinskia@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-11-22 19:22:21 +0000 |
|---|---|---|
| committer | pinskia <pinskia@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-11-22 19:22:21 +0000 |
| commit | 8aa776bebd9a4d6e485c99e5e8ca9d5ddedc3f2c (patch) | |
| tree | 6be3829aae3c9a7f5466fdc27a465d827c850835 /gcc/fold-const.c | |
| parent | d79c03041d153f440c38950d247fc62f0bc67983 (diff) | |
| download | gcc-8aa776bebd9a4d6e485c99e5e8ca9d5ddedc3f2c.tar.gz | |
2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
PR middle-end/23606
* fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
COMPARISON_CLASS_P and an integral types create create a new
expression with the new type and fold that.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@107370 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index e7f550b2038..2d750f6c94c 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -6771,6 +6771,12 @@ fold_unary (enum tree_code code, tree type, tree op0) case FIX_ROUND_EXPR: if (TREE_TYPE (op0) == type) return op0; + + /* If we have (type) (a CMP b) and type is an integal type, return + new expression involving the new type. */ + if (COMPARISON_CLASS_P (op0) && INTEGRAL_TYPE_P (type)) + return fold_build2 (TREE_CODE (op0), type, TREE_OPERAND (op0, 0), + TREE_OPERAND (op0, 1)); /* Handle cases of two conversions in a row. */ if (TREE_CODE (op0) == NOP_EXPR |