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| author | Roger Sayle <roger@eyesopen.com> | 2005-02-17 22:32:29 +0000 |
|---|---|---|
| committer | Roger Sayle <sayle@gcc.gnu.org> | 2005-02-17 22:32:29 +0000 |
| commit | 9b396d7ccef4c96f577b6b97ed3604527cfb9181 (patch) | |
| tree | e9ef6bd5ecb20983f0c0ae646bc2bfd807cae4e6 /gcc/tree-eh.c | |
| parent | 2e681715d677449e633b64e4fb3f8f1ac0184fd4 (diff) | |
| download | gcc-9b396d7ccef4c96f577b6b97ed3604527cfb9181.tar.gz | |
re PR tree-optimization/19917 (Weak const function mishandled inside loop)
PR tree-optimization/19917
* tree-eh.c (tree_could_trap_p): Consider calls to weak functions
to be potentially trapping.
From-SVN: r95200
Diffstat (limited to 'gcc/tree-eh.c')
| -rw-r--r-- | gcc/tree-eh.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/tree-eh.c b/gcc/tree-eh.c index 20660e4e279..34c5cab921c 100644 --- a/gcc/tree-eh.c +++ b/gcc/tree-eh.c @@ -1840,6 +1840,13 @@ tree_could_trap_p (tree expr) return true; return false; + case CALL_EXPR: + t = get_callee_fndecl (expr); + /* Assume that calls to weak functions may trap. */ + if (!t || !DECL_P (t) || DECL_WEAK (t)) + return true; + return false; + default: /* Any floating arithmetic may trap. */ if (fp_operation && flag_trapping_math) |