view tests/mini/asm7.d @ 351:f273f5c58a9a trunk

[svn r372] Fixed extern(C++) handling now same as DMD, which is to treat it like extern(C). Fixed a problem in resolving struct types where the size of elements might not yet be known. Switched to using DMD size() instead of LLVM ABI size (TargetData).
author lindquist
date Mon, 14 Jul 2008 03:23:43 +0200
parents 1bb99290e03a
children 4ac97ec7c18e
line wrap: on
line source

module tangotests.asm7;

// test massive label collisions (runtime uses Loverflow too)

void main()
{
    int a = add(1,2);
    int s = sub(1,2);
    assert(a == 3);
    assert(s == -1);
}

int add(int a, int b)
{
    int res;
    asm
    {
        mov EAX, a;
        add EAX, b;
        jo Loverflow;
        mov res, EAX;
    }
    return res;
Loverflow:
    assert(0, "add overflow");
}

int sub(int a, int b)
{
    int res;
    asm
    {
        mov EAX, a;
        sub EAX, b;
        jo Loverflow;
        mov res, EAX;
    }
    return res;
Loverflow:
    assert(0, "sub overflow");
}