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| author | Ian Lance Taylor <iant@google.com> | 2007-03-23 23:17:02 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2007-03-23 23:17:02 +0000 |
| commit | c8539275c310c50bb5ae9db9118cc1b47deb999f (patch) | |
| tree | d4aa731feef060a98b9a122bd3ff1b662348f322 | |
| parent | f54171a08c4d4bee21748d5361f57e7a398e846c (diff) | |
| download | gcc-c8539275c310c50bb5ae9db9118cc1b47deb999f.zip gcc-c8539275c310c50bb5ae9db9118cc1b47deb999f.tar.gz gcc-c8539275c310c50bb5ae9db9118cc1b47deb999f.tar.bz2 | |
* tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
From-SVN: r123170
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/tree-vrp.c | 5 |
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1c034ea..2faf42c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2007-03-23 Ian Lance Taylor <iant@google.com> + + * tree-vrp.c (operand_less_p): Ignore fold overflow warnings. + 2007-03-23 Steven Bosscher <steven@gcc.gnu.org> * tracer.c (tracer): Don't take FLAGS argument. Assert we are diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c index 2fad779..262eeb2 100644 --- a/gcc/tree-vrp.c +++ b/gcc/tree-vrp.c @@ -647,7 +647,12 @@ operand_less_p (tree val, tree val2) { tree tcmp; + fold_defer_overflow_warnings (); + tcmp = fold_binary_to_constant (LT_EXPR, boolean_type_node, val, val2); + + fold_undefer_and_ignore_overflow_warnings (); + if (!tcmp) return -2; |