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| author | Richard Guenther <rguenther@suse.de> | 2011-07-07 14:21:21 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2011-07-07 14:21:21 +0000 |
| commit | bbc210abb5bc5dc9961f05af2187cfa7170d9916 (patch) | |
| tree | 40cc7c59a7cb5207d4d46c9ee4d1811e68774391 /gcc/fold-const.c | |
| parent | 29c5134ac901bba223eb66866cd4be7d30194dc3 (diff) | |
| download | gcc-bbc210abb5bc5dc9961f05af2187cfa7170d9916.zip gcc-bbc210abb5bc5dc9961f05af2187cfa7170d9916.tar.gz gcc-bbc210abb5bc5dc9961f05af2187cfa7170d9916.tar.bz2 | |
fold-const.c (fold_unary_loc): Do not strip sign-changes for NEGATE_EXPR.
2011-07-07 Richard Guenther <rguenther@suse.de>
* fold-const.c (fold_unary_loc): Do not strip sign-changes
for NEGATE_EXPR.
* gcc.dg/ftrapv-3.c: New testcase.
From-SVN: r175976
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index e48aae9..44a8b6f 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -7561,7 +7561,7 @@ fold_unary_loc (location_t loc, enum tree_code code, tree type, tree op0) if (arg0) { if (CONVERT_EXPR_CODE_P (code) - || code == FLOAT_EXPR || code == ABS_EXPR) + || code == FLOAT_EXPR || code == ABS_EXPR || code == NEGATE_EXPR) { /* Don't use STRIP_NOPS, because signedness of argument type matters. */ |