view tests/mini/callingconv1.d @ 1134:152bd2c804d0

Update comments now that LLVM PR3861 has been fixed. However, since conditionally removing the workaround makes the ABI dependent on LLVM version, I reconsidered that. (The same revision of LDC compiling for the same target should probably produce code that follows the same ABI, right?)
author Frits van Bommel <fvbommel wxs.nl>
date Tue, 24 Mar 2009 02:46:57 +0100
parents 12b423e17860
children a400b1dd657f
line wrap: on
line source

module mini.callingconv1;

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

float foo(float a, float b)
{
    return a + b;
}

void main()
{
    float a = 1.5;
    float b = 2.5;
    float c;

    version(D_InlineAsm_X86)
    {
	asm
    	{
		mov EAX, [a];
        	push EAX;
        	mov EAX, [b];
        	push EAX;
        	call foo;
        	fstp c;
    	}
    }
    else version(D_InlineAsm_X86_64)
    {
    	asm
    	{
		movss XMM0, [a];
		movss XMM1, [b];
        	call foo;
		movss [c], XMM0;
    	}
    }
    printf("%f\n", c);

    assert(c == 4.0);
    
    printf("passed %f\n", c);
}