view tests/mini/asm1_1.d @ 1292:ad41053c336e

Make static int[] a = [1, 2]; a[0] = 4; not segfault by making the array data ptr a non-const global variable.
author Christian Kamm <kamm incasoftware de>
date Sun, 03 May 2009 11:16:54 +0200
parents 08f87d8cd101
children
line wrap: on
line source

module tangotests.asm1_1;

extern(C) int printf(char*, ...);

int main()
{
    int i = 12;
    int* ip = &i;
    printf("%d\n", i);
    version (D_InlineAsm_X86)
    {
        asm
        {
            mov ECX, ip;
            mov EAX, [ECX];
            add EAX, 8;
            mul EAX, EAX;
            mov [ECX], EAX;
        }
    }
    else version (D_InlineAsm_X86_64)
    {
        asm
        { 
            movq RCX, ip;
            mov EAX, [RCX];
            add EAX, 8;
            imul EAX, EAX;
            mov [RCX], EAX;
        }
    }
    printf("%d\n", i);
    assert(i == 400);
    return 0;
}