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Got test1-3 working on x86-64.

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There are probably still issues on x86-64 I've missed.
I've added a few new tests to abitest, which fail (2x long long and 2x double
in a struct should be passed in registers).
This commit is contained in:
James Lyon
2013-04-19 11:08:12 +01:00
parent 55ea6d3fc1
commit b961ba5396
4 changed files with 198 additions and 86 deletions
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18
tccgen.c
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@ -2067,6 +2067,9 @@ ST_FUNC int type_size(CType *type, int *a)
} else if (bt == VT_SHORT) {
*a = 2;
return 2;
} else if (bt == VT_QLONG || bt == VT_QFLOAT) {
*a = 8;
return 16;
} else {
/* char, void, function, _Bool */
*a = 1;
@ -3695,24 +3698,13 @@ ST_FUNC void unary(void)
#ifdef TCC_TARGET_X86_64
case TOK_builtin_va_arg_types:
{
/* This definition must be synced with stdarg.h */
enum __va_arg_type {
__va_gen_reg, __va_float_reg, __va_stack
};
CType type;
int bt;
next();
skip('(');
parse_type(&type);
skip(')');
bt = type.t & VT_BTYPE;
if (bt == VT_STRUCT || bt == VT_LDOUBLE) {
vpushi(__va_stack);
} else if (bt == VT_FLOAT || bt == VT_DOUBLE) {
vpushi(__va_float_reg);
} else {
vpushi(__va_gen_reg);
}
vpushi(classify_x86_64_va_arg(&type));
}
break;
#endif
@ -4966,7 +4958,7 @@ static void init_putz(CType *t, Section *sec, unsigned long c, int size)
vpush_global_sym(&func_old_type, TOK_memset);
vseti(VT_LOCAL, c);
vpushi(0);
vpushi(size);
vpushs(size);
gfunc_call(3);
}
}