view run/a/asm_fucom_01_A.d @ 1630:d0efa3ae5522 default tip

run/mini/naked_asm5: New x86_64 ABI passes the arguments in reverse order.
author David Nadlinger <code@klickverbot.at>
date Sat, 23 Apr 2011 22:57:32 +0200
parents 03c97933de98
children
line wrap: on
line source

// $HeadURL$
// $Date$
// $Author$

module dstress.run.a.asm_fucom_01_A;

version(D_InlineAsm_X86){
	version = runTest;
}else version(D_InlineAsm_X86_64){
	version = runTest;
}

version(runTest){
	import addon.cpuinfo;

	int main(){
		haveFPU!()();

		float f1 = float.nan;
		float f2;
		ushort s;

		asm{
			fldz;
			fldz;
			fld1;
			fld f1;
			fucom;
			fstsw s;
			fstp f1;
			fstp f2;
		}

		if(!(f1 !<>= 0.0f)){
			assert(0);
		}
		if(f2 != 1.0f){
			assert(0);
		}

		ushort C0 = 1 << 8;
		ushort C2 = 1 << 10;
		ushort C3 = 1 << 14;

		if(!(s & C0)){
			assert(0);
		}
		if(!(s & C2)){
			assert(0);
		}
		if(!(s & C3)){
			assert(0);
		}

		return 0;
	}
}else{
	pragma(msg, "DSTRESS{XFAIL}: no inline ASM support");
	static assert(0);
}