Messages in this thread | | | Date | Mon, 29 Aug 2011 21:45:14 -0700 | From | "H. Peter Anvin" <> | Subject | Re: RFD: x32 ABI system call numbers |
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On 08/29/2011 07:16 PM, Kyle Moffett wrote: > > The goal of x32 as I understand it is to allow 32-bit x86 programs to > use all the nifty extra registers and faster instructions (IE: syscall) > without needing to deal with the 2x memory overhead of 64-bit > pointers. >
That is the major goal. A minor goal is to bring x86-64 goodness to those who have an (irrational) fear of 64 bits thinking it is a major porting effort. Thus, *source-level* porting effort matters, but it is completely subordinate to the major goal.
-hpa
-- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.
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