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| author | Richard Kenner <kenner@vlsi1.ultra.nyu.edu> | 2001-02-23 21:05:41 +0000 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 2001-02-23 16:05:41 -0500 |
| commit | ac50176d22e5a67355cde8740a2acac344c0e35d (patch) | |
| tree | 514f53534b6c0dd96e972859d9734115364355ba | |
| parent | 9b58f7398639e201117b4f8131d0d2c92f4c6a52 (diff) | |
| download | gcc-ac50176d22e5a67355cde8740a2acac344c0e35d.zip gcc-ac50176d22e5a67355cde8740a2acac344c0e35d.tar.gz gcc-ac50176d22e5a67355cde8740a2acac344c0e35d.tar.bz2 | |
fold-const.c (fold_convert): Don't call size_int_type_wide if input overflows.
* fold-const.c (fold_convert): Don't call size_int_type_wide if
input overflows.
From-SVN: r40012
| -rw-r--r-- | gcc/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/fold-const.c | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ddce687..a89be70 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,8 @@ Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + * fold-const.c (fold_convert): Don't call size_int_type_wide if + input overflows. + * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK. * varasm.c (output_constant): Recompute CODE after lang-specific fn. diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 99a602cd..69b9920 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -2022,6 +2022,7 @@ fold_convert (t, arg1) /* If we are trying to make a sizetype for a small integer, use size_int to pick up cached types to reduce duplicate nodes. */ if (TREE_CODE (type) == INTEGER_TYPE && TYPE_IS_SIZETYPE (type) + && !TREE_CONSTANT_OVERFLOW (arg1) && compare_tree_int (arg1, 10000) < 0) return size_int_type_wide (TREE_INT_CST_LOW (arg1), type); |