view tangotests/asm7.d @ 323:0d52412d5b1a trunk

[svn r344] Fixed some very minor issues with the usage listing when calling llvmdc with no arguments. Changed the way moduleinfo is registered to use the same approach as DMD, this eliminates the need for correct linking order and should make the way for using a natively compiled runtime library. This should speed up linking tremendously and should now be possible. Fixed the llvm.used array to only be emitted if really necessary.
author lindquist
date Wed, 09 Jul 2008 23:43:51 +0200
parents 2b72433d5c8c
children
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");
}