Re: Assembly macro with parameters

[Fabrizio Fazzino <fabrizio@fazzino.it>]

Ralf Baechle wrote:
> Fabrizio Fazzino wrote:
> 
>>It works, but I need a way to set the values of the parameters
>>at runtime; so I've tried the following macro:
>>
>>	#define fzmin(rd, rs, rt) asm("lwc1 $rt, rd<<11($rs)");
> 
> Which will leave the assembler entirely unimpressed ;-)

I thought that the compiler was able to substitute also the
values inside strings... Is there any way to force it to do so?

> Unless you only have a few instructions and are going for a quick hack
> I really suggest to add proper support for these instructions to binutils.
> Having working support in as, gdb, objdump will make your life so much
> easier.

The processor I'm designing probably will not be implemented in
any way (we just have to simulate the VHDL hardware description),
so we just need a quick-and-dirty way to make the opcode
conversion.

	Fabrizio


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    Fabrizio Fazzino - fabrizio@fazzino.it
      Fazzino.IT - http://www.fazzino.it
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