New answers tagged x86-64
3
je is normally used with cmp instruction like
cmp Reg16/32/64,const
je someplace
while jz is normally used to check specifically for 0 or null
like
dec reg16/32/64
jz someplace
i just modified your code to an infinite loop and emulated it in x86 emulator
see below for code and gif.
code
mov ax, 0x2
dec ax
and ax, 0x1
jz equal
je equal
test ax,...
1
here is the sample code that will show both the constructs if there is an atomic exchange requirement you use the api or intrinsc provided
else simply assign
source
#include <stdio.h>
#include <windows.h>
#include <intrin.h>
long tmp[10] = {NULL};
long *m_someMemoryPool[10] ={NULL};
int main (void) {
tmp[0] = 0xbee5deed;
long foo ...
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