x86-asm: Correct register size for pointer ops

A pointer is 64 bit as well, so it needs a full register for register operands.

Michael Matz committed 10 years ago

Commit 0b0e64c1 parent 7ab35c62 files · +10 −1Browse files

Unified · Split

2 files

@@ -1493,7 +1493,8 @@ ST_FUNC void subst_asm_operand(CString *add_str, · 1492 unmodified lines
1493	1493	else if ((sv->type.t & VT_BTYPE) == VT_SHORT)
1494	1494	size = 2;
1495	1495	#ifdef TCC_TARGET_X86_64
1496		− else if ((sv->type.t & VT_BTYPE) == VT_LLONG)
	1496	+ else if ((sv->type.t & VT_BTYPE) == VT_LLONG \|\|
	1497	+ (sv->type.t & VT_BTYPE) == VT_PTR)
1497	1498	size = 8;
1498	1499	#endif
1499	1500	else

@@ -2914,6 +2914,11 @@ void fancy_copy (unsigned in, unsigned out) · 2913 unmodified lines
2914	2914	asm volatile ("" : "=r" (out) : "0" (in));
2915	2915	}
2916	2916
	2917	+void fancy_copy2 (unsigned in, unsigned out)
	2918	+{
	2919	+ asm volatile ("mov %0,(%1)" : : "r" (*in), "r" (out) : "memory");
	2920	+}
	2921	+
2917	2922	void asm_test(void)
2918	2923	{
2919	2924	char buf[128];
@@ -2987,6 +2992,9 @@ void asm_test(void) · 67 unmodified lines
2987	2992	val = 43;
2988	2993	fancy_copy (&val, &val2);
2989	2994	printf ("fancycpy(%d)=%d\n", val, val2);
	2995	+ val = 44;
	2996	+ fancy_copy2 (&val, &val2);
	2997	+ printf ("fancycpy2(%d)=%d\n", val, val2);
2990	2998	return;
2991	2999	label1:
2992	3000	goto label2;

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