[Bug target/85669] fail on s-case-cfn-macros: build/gencfn-macros: DEF_INTERNAL_FLT/INT_FN (%smth%) has no associated built-in functions

[dougmencken at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85669

--- Comment #16 from Douglas Mencken <dougmencken at gmail dot com> ---
Like this?

--- a/gcc/config/rs6000/darwin.h
+++ b/gcc/config/rs6000/darwin.h
@@ -150,13 +150,12 @@

 #undef RS6000_STARTING_FRAME_OFFSET
 #define RS6000_STARTING_FRAME_OFFSET                                   \
-  (RS6000_ALIGN (crtl->outgoing_args_size, 16)                         \
-   + RS6000_SAVE_AREA)
+  RS6000_ALIGN (crtl->outgoing_args_size + RS6000_SAVE_AREA, 16)

 #undef STACK_DYNAMIC_OFFSET
 #define STACK_DYNAMIC_OFFSET(FUNDECL)                                  \
-  (RS6000_ALIGN (crtl->outgoing_args_size.to_constant (), 16)          \
-   + (STACK_POINTER_OFFSET))
+  RS6000_ALIGN (crtl->outgoing_args_size.to_constant()                 \
+                 + STACK_POINTER_OFFSET, 16)

 /* Darwin uses a function call if everything needs to be saved/restored.  */