Re: i386 flags register clober in inline assembly

[Linus Torvalds]

On 17 Nov 2001, Momchil Velikov wrote:
>
> Indeed, with pattern like:
> (define_insn "*ja"
>   [(set (pc)
>         (if_then_else (gtu (match_operand:CC 0 "" "") (const_int 0))
>                       (label_ref (match_operand 1 "" ""))
> 		      (pc)))]
>   ""
>   "ja ..."
>   ...)

As far as I can tell, that pattern already exists in i386.md.

So it shouldn't need any new patterns, it would only need a way to allow
the setting of cc0 from the asm - so that we can get the first part,
namely the "(set (cc0) ..asm..)" thing.

		Linus