On Friday 15 February 2008, Haavard Skinnemoen wrote: > Mike Frysinger <[EMAIL PROTECTED]> wrote: > > > if someone can tell me what the number of args are for each arch we > > > can see about providing this everywhere. > > > > are you sure you actually need to worry about such things ? i'm pretty > > sure any relevant architecture says that the first X arguments go via > > registers and the rest go on the stack. let the compiler worry about the > > exact value for X. > > I guess the real question is whether it's acceptable to pass arguments > on the stack to such subprograms. If the answer is yes, why not simply > use varargs?
if the goal is to keep things in registers, "call" and its description are way too vague. the description makes me think this is meant to be a "go" for functions. > If the answer is no: avr32 can pass up to 5 arguments through registers. x86 does 0 while Blackfin does 3. -mike
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