view tests/mini/asm4.d @ 978:6a32d2e18175

Fix a latent bug in the asm code. I think that technically, using "*m0" instead of "*0" allows LLVM to pick between using the same memory as output 0 and using a new memory location. (So far I haven't been able to construct a testcase that actually breaks because of this, though)
author Frits van Bommel <fvbommel wxs.nl>
date Wed, 18 Feb 2009 03:38:12 +0100
parents 693d681c846c
children 4c524d80e6e1
line wrap: on
line source

module tangotests.asm4;

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

void main()
{
    char* stmt = "yay!\n";
    char* fmt = "%s";
    version (LLVM_InlineAsm_X86)
    {
	asm
    	{
		jmp L2;
   	L1:;
		jmp L3;
    	L2:;
		jmp L1;
    	L3:;
		push stmt;
        	call printf;
        	pop EAX;
    	}
    }
    else version(LLVM_InlineAsm_X86_64)
    {
	asm
	{
		jmp L2;
   	L1:;
		jmp L3;
    	L2:;
		jmp L1;
    	L3:;	
		movq	RDI, fmt;
		movq	RSI, stmt;
		xor	AL, AL;
		call	printf;
	}
    }
    printf(fmt,stmt);
}