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| author | Paolo Bonzini <bonzini@gnu.org> | 2009-04-09 16:07:43 +0000 |
|---|---|---|
| committer | Paolo Bonzini <bonzini@gcc.gnu.org> | 2009-04-09 16:07:43 +0000 |
| commit | b45f0e58d72a6ea2f54d007152b55fc44311359f (patch) | |
| tree | d12ca0de4241fd0f950beabe6b910ba0a883eabd /gcc/fold-const.c | |
| parent | 9332c6ebd1b4ce843ddf9be3d9abdf6abeb3dfcd (diff) | |
| download | gcc-b45f0e58d72a6ea2f54d007152b55fc44311359f.zip gcc-b45f0e58d72a6ea2f54d007152b55fc44311359f.tar.gz gcc-b45f0e58d72a6ea2f54d007152b55fc44311359f.tar.bz2 | |
expmed.c (expand_divmod): Always use a comparison for a division by a large unsigned integer.
2009-04-09 Paolo Bonzini <bonzini@gnu.org>
* expmed.c (expand_divmod): Always use a comparison for a division
by a large unsigned integer.
* fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
for things others than variables or functions as nonzero.
testsuite:
2009-04-09 Paolo Bonzini <bonzini@gnu.org>
* gcc.dg/pr27150-1.c: Change to a link test.
From-SVN: r145846
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 7dcf993..821e581 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -15018,8 +15018,8 @@ tree_single_nonzero_warnv_p (tree t, bool *strict_overflow_p) return false; /* Weak declarations may link to NULL. */ - if (VAR_OR_FUNCTION_DECL_P (base)) - return !DECL_WEAK (base); + if (DECL_P (base) && flag_delete_null_pointer_checks) + return !VAR_OR_FUNCTION_DECL_P (base) || !DECL_WEAK (base); /* Constants are never weak. */ if (CONSTANT_CLASS_P (base)) |