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-rw-r--r--gcc/target.def7
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/target.def b/gcc/target.def
index fc4563d..ed2da15 100644
--- a/gcc/target.def
+++ b/gcc/target.def
@@ -2618,8 +2618,11 @@ set via @code{__attribute__}.",
DEFHOOK
(libc_has_function,
"This hook determines whether a function from a class of functions\n\
-@var{fn_class} is present in the target C library.",
- bool, (enum function_class fn_class),
+@var{fn_class} is present in the target C library. If @var{type} is NULL,\n\
+the caller asks for support for all standard (float, double, long double)\n\
+types. If @var{type} is non-NULL, the caller asks for support for a\n\
+specific type.",
+ bool, (enum function_class fn_class, tree type),
default_libc_has_function)
DEFHOOK