Where do i find asm operand constraints?

Art Berggreen art@acc.com
Sun Jul 23 09:19:00 GMT 2000


"Russ.Shaw" wrote:
> 
> Hi all,
> 
> I'm using gcc as a cross compiler for the hitachi h8/300h
> micro-controller core.
> 
> When doing asm statements in C, operand constraints are
> needed. I can't find a list of the valid constraints.
> Does anyone know what source file they'd be listed in?
> TIA

The ultimate source for a particular target is probably the source
code.  But if you have access to the GNU gcc info pages, there is a
general discussion in Machine Desc -> Constraints.

Art

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