Dave Korn wrote:
Was this description perhaps written in pre-RISC days?
Yes. You can find identical text in the gcc-1.42 documentation, when
almost every port was a CISC.
The docs in rtl.texi for the call expression is a bit clearer about the
intent here for FUNCTION_MODE.
--
Jim Wilson
> @defmac FUNCTION_MODE
> An alias for the machine mode used for memory references to functions
> being called, in @code{call} RTL expressions. On most CISC machines,
> where an instruction can begin at any byte address, this should be
> @code{QImode}; on RISC machines, where all instructions ar
--
http://gcc.gnu.org/onlinedocs/gccint/Misc.html#Misc
- Macro: FUNCTION_MODE
An alias for the machine mode used for memory references to functions
being called, in call RTL expressions. On most machines this should be QImode.
