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| author | Kaveh R. Ghazi <ghazi@caip.rutgers.edu> | 2006-11-11 04:05:14 +0000 |
|---|---|---|
| committer | Kaveh Ghazi <ghazi@gcc.gnu.org> | 2006-11-11 04:05:14 +0000 |
| commit | b81e7144aa0c032c6246e0962467b4284cacd234 (patch) | |
| tree | d6296e3b6e9ca4e372d936e1dd953fec297ffde3 /gcc/fold-const.c | |
| parent | 345768ef3f0ad0f2b09cbd79ec4daf6ba48f51b7 (diff) | |
| download | gcc-b81e7144aa0c032c6246e0962467b4284cacd234.zip gcc-b81e7144aa0c032c6246e0962467b4284cacd234.tar.gz gcc-b81e7144aa0c032c6246e0962467b4284cacd234.tar.bz2 | |
builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
* builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
(fold_builtin_hypot): Likewise.
* fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
testsuite:
* gcc.dg/builtins-20.c: Add more cases for stripping sign ops.
From-SVN: r118683
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index fedc3ca..7c769d5 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -13296,6 +13296,17 @@ fold_strip_sign_ops (tree exp) arg1 ? arg1 : TREE_OPERAND (exp, 1)); break; + case CALL_EXPR: + /* Strip sign ops from the argument of "odd" math functions. */ + if (negate_mathfn_p (builtin_mathfn_code (exp))) + { + arg0 = fold_strip_sign_ops (TREE_VALUE (TREE_OPERAND (exp, 1))); + if (arg0) + return build_function_call_expr (get_callee_fndecl (exp), + build_tree_list (NULL_TREE, arg0)); + } + break; + default: break; } |