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| author | ghazi <ghazi@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-01-26 02:40:31 +0000 |
|---|---|---|
| committer | ghazi <ghazi@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-01-26 02:40:31 +0000 |
| commit | 503733d51e176d5a1f25368e6779571f6be9bd38 (patch) | |
| tree | 89c8c348a9e0651724438367caf493fd2c71f690 /gcc/builtins.c | |
| parent | ced4068a806f214d43721e310d16b361e011b925 (diff) | |
| download | gcc-503733d51e176d5a1f25368e6779571f6be9bd38.tar.gz | |
* builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
functions.
* fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
testsuite:
* gcc.dg/builtins-20.c: Add more cases.
* gcc.dg/torture/builtin-symmetric-1.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@121200 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index c33cdf13979..d1223795b3d 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -9344,6 +9344,18 @@ fold_builtin_1 (tree fndecl, tree arglist, bool ignore) TREE_VALUE (arglist))); break; + CASE_FLT_FN (BUILT_IN_CCOS): + CASE_FLT_FN (BUILT_IN_CCOSH): + /* These functions are "even", i.e. f(x) == f(-x). */ + if (validate_arglist (arglist, COMPLEX_TYPE, VOID_TYPE)) + { + tree narg = fold_strip_sign_ops (TREE_VALUE (arglist)); + if (narg) + return build_function_call_expr (fndecl, + build_tree_list (NULL_TREE, narg)); + } + break; + CASE_FLT_FN (BUILT_IN_CABS): return fold_builtin_cabs (arglist, type, fndecl); |