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doc: clarify need for ABS QWORD to do a 64-bit absolute load

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The rarely used 64-bit absolute load instruction (what gas calls
movabsq) needs to be declared ABS if we are in relative mode, which is
normally the case.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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H. Peter Anvin 2018-02-07 11:19:26 -08:00
parent f53c9778cd
commit ddea5fc0cd
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doc/nasmdoc.src
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@ -7778,7 +7778,7 @@ The only instructions which take a full \I{64-bit displacement}64-bit
\c{EAX} or \c{RAX} (but no other registers) to an absolute 64-bit address.
Since this is a relatively rarely used instruction (64-bit code generally uses
relative addressing), the programmer has to explicitly declare the
displacement size as \c{QWORD}:
displacement size as \c{ABS QWORD}:
\c default abs
\c