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x86 asm: move NOP in from x86-assembly-cheat

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Ciro Santilli 六四事件 法轮功
2019-06-16 00:00:05 +00:00
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commit 76c7cfe5aa
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README.adoc
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@@ -12473,6 +12473,20 @@ link:userland/arch/x86_64/loop.S[LOOP]
Vs <<x86-jcc-instructions,Jcc>>: https://stackoverflow.com/questions/6805692/x86-assembly-programming-loops-with-ecx-and-loop-instruction-versus-jmp-jcond Holy CISC!
=== x86 miscellaneous instructions
<<intel-manual-1>> 7.3.16 "Miscellaneous Instructions"
==== x86 NOP instruction
link:userland/arch/x86_64/nop.S[NOP]
No OPeration.
Does nothing except take up one processor cycle and occupy some instruction memory.
Applications: http://stackoverflow.com/questions/234906/whats-the-purpose-of-the-nop-opcode
=== x86 random number generator instructions
<<intel-manual-1>> 5.1.15 Random Number Generator Instructions