Messages in this thread | | | Date | Thu, 14 May 2009 07:09:47 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH] x86: Extend test_and_set_bit() test_and_clean_bit() to 64 bits in X86_64 |
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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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