mips va_arg question

Richard Sandiford rsandifo@redhat.com
Thu Aug 12 12:53:00 GMT 2004


"Dave Korn" <dk@artimi.com> writes:
>> -----Original Message-----
>> From: gcc-owner On Behalf Of Richard Sandiford
>> Sent: 12 August 2004 13:34
>> To: Mile Davidovic
>> 
>> Mile Davidovic writes:
>> > Passing of double to function with variable number of
>> > arguments is over stack, and va_arg inside of function
>> > with variable number of arguments suppose that sp
>> > could be divided by 8.
>> 
>> Yes.  The ABIs say that sp must be divisible by 8[*].  If it isn't
>> for you then something is very wrong.  Where's the misaligned sp
>> coming from?
>
>   From his own inline asm.  That doesn't even mention sp in the clobber
> list. 

Yeah, I know it did in his example, but I assumed that wasn't the real
testcase.  Perhaps I was just being naive. ;)

Richard



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