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Re: [PATCH] MIPS gas: Support for drol/dror macros (was: Re: [PATCH] MIPS gas: 64 bit aware rol/ror macros)
Eric Christopher wrote:
> On Tue, 2002-05-14 at 03:31, Thiemo Seufer wrote:
> > Thiemo Seufer wrote:
> > [snip]
> > > > Ok, dro[lr] helps for compatibility, so I'll change my patch.
> > >
> > > Here is the new version.
> >
> > And here the one with the missing bits included.
>
> Do we need yet another macro instruction?
Probably the compiler will never use any rotate macro, but it's useful
for assembler programmers creating e.g. efficient cryptography routines.
In the case of 64 bit wide registers, it's even more useful than the
32bit macros because of ds[rl]l vs. ds[rl]l32 abstraction.
Thiemo