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SubjectRe: [PATCH] x86: Extend test_and_set_bit() test_and_clean_bit() to 64 bits in X86_64
Andi Kleen wrote:
>> Well, I just think lots of "#ifdef/#else" is a little annoying here, then use
>> REX...
>
> Better add a 'q' string concatination then. The problem with rex is that most
> people can't read it even if they know assembler -- they don't know
> all the details of instruction encoding.
>

The right way to do it is to pass the proper type of register.

-hpa

--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.



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