Re: Why the V4QImode vector operations are expanded into many SImode at "oplower" pass?

[Ling-hua Tseng]

On 18 May 2005 12:54:03 -0400, Ian Lance Taylor wrote
> "Ling-hua Tseng" <[EMAIL PROTECTED]> writes:
> 
> > I have tried to adjust the constraints to 'r' (general registers) for 
> > the "movv4qi" and "addv4qi" insn patterns,
> > but I got the same problem.
> 
> What about HARD_REGNO_MODE_OK?
> 
> Ian
If the register number is less than FIRST_PSEUDO_REGISTER,
it will always return 1.