Viewing file:  test_passing_structs.c (5.1 KB) -rw-r--r--
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/* This tests passing of structs. */
#include "defines.h"
#include "args.h"
#include <complex.h>
struct IntegerRegisters iregs;
struct FloatRegisters fregs;
unsigned int num_iregs, num_fregs;
struct int_struct
{
int i;
};
struct long_struct
{
long l;
};
struct long2_struct
{
long l1, l2;
};
struct long3_struct
{
long l1, l2, l3;
};
/* Check that the struct is passed as the individual members in iregs. */
void
check_struct_passing1 (struct int_struct is ATTRIBUTE_UNUSED)
{
check_int_arguments;
}
void
check_struct_passing2 (struct long_struct ls ATTRIBUTE_UNUSED)
{
check_int_arguments;
}
void
check_struct_passing3 (struct long2_struct ls ATTRIBUTE_UNUSED)
{
check_int_arguments;
}
void
check_struct_passing4 (struct long3_struct ls ATTRIBUTE_UNUSED)
{
/* Check the passing on the stack by comparing the address of the
stack elements to the expected place on the stack. */
assert ((unsigned long)&ls.l1 == rsp+8);
assert ((unsigned long)&ls.l2 == rsp+16);
assert ((unsigned long)&ls.l3 == rsp+24);
}
#ifdef CHECK_M64_M128
struct m128_struct
{
__m128 x;
};
struct m128_2_struct
{
__m128 x1, x2;
};
/* Check that the struct is passed as the individual members in fregs. */
void
check_struct_passing5 (struct m128_struct ms1 ATTRIBUTE_UNUSED,
struct m128_struct ms2 ATTRIBUTE_UNUSED,
struct m128_struct ms3 ATTRIBUTE_UNUSED,
struct m128_struct ms4 ATTRIBUTE_UNUSED,
struct m128_struct ms5 ATTRIBUTE_UNUSED,
struct m128_struct ms6 ATTRIBUTE_UNUSED,
struct m128_struct ms7 ATTRIBUTE_UNUSED,
struct m128_struct ms8 ATTRIBUTE_UNUSED)
{
check_m128_arguments;
}
void
check_struct_passing6 (struct m128_2_struct ms ATTRIBUTE_UNUSED)
{
/* Check the passing on the stack by comparing the address of the
stack elements to the expected place on the stack. */
assert ((unsigned long)&ms.x1 == rsp+8);
assert ((unsigned long)&ms.x2 == rsp+24);
}
#endif
struct flex1_struct
{
long i;
long flex[];
};
struct flex2_struct
{
long i;
long flex[0];
};
void
check_struct_passing7 (struct flex1_struct is ATTRIBUTE_UNUSED)
{
check_int_arguments;
}
void
check_struct_passing8 (struct flex2_struct is ATTRIBUTE_UNUSED)
{
check_int_arguments;
}
struct complex1_struct
{
int c;
__complex__ float x;
};
struct complex1a_struct
{
long l;
float f;
};
struct complex2_struct
{
int c;
__complex__ float x;
float y;
};
struct complex2a_struct
{
long l;
double d;
};
void
check_struct_passing9 (struct complex1_struct is ATTRIBUTE_UNUSED)
{
check_int_arguments;
check_float_arguments;
}
void
check_struct_passing10 (struct complex2_struct is ATTRIBUTE_UNUSED)
{
check_int_arguments;
check_double_arguments;
}
static struct flex1_struct f1s = { 60, { } };
static struct flex2_struct f2s = { 61, { } };
int
main (void)
{
struct int_struct is = { 48 };
struct long_struct ls = { 49 };
#ifdef CHECK_LARGER_STRUCTS
struct long2_struct l2s = { 50, 51 };
struct long3_struct l3s = { 52, 53, 54 };
#endif
#ifdef CHECK_M64_M128
struct m128_struct m128s[8];
struct m128_2_struct m128_2s = {
{ 48.394, 39.3, -397.9, 3484.9 },
{ -8.394, -93.3, 7.9, 84.94 }
};
int i;
#endif
struct complex1_struct c1s = { 4, ( -13.4 + 3.5*I ) };
union
{
struct complex1_struct c;
struct complex1a_struct u;
} c1u;
struct complex2_struct c2s = { 4, ( -13.4 + 3.5*I ), -34.5 };
union
{
struct complex2_struct c;
struct complex2a_struct u;
} c2u;
clear_struct_registers;
iregs.I0 = is.i;
num_iregs = 1;
clear_int_hardware_registers;
WRAP_CALL (check_struct_passing1)(is);
clear_struct_registers;
iregs.I0 = ls.l;
num_iregs = 1;
clear_int_hardware_registers;
WRAP_CALL (check_struct_passing2)(ls);
#ifdef CHECK_LARGER_STRUCTS
clear_struct_registers;
iregs.I0 = l2s.l1;
iregs.I1 = l2s.l2;
num_iregs = 2;
clear_int_hardware_registers;
WRAP_CALL (check_struct_passing3)(l2s);
WRAP_CALL (check_struct_passing4)(l3s);
#endif
#ifdef CHECK_M64_M128
clear_struct_registers;
for (i = 0; i < 8; i++)
{
m128s[i].x = (__m128){32+i, 0, i, 0};
(&fregs.xmm0)[i]._m128[0] = m128s[i].x;
}
num_fregs = 8;
clear_float_hardware_registers;
WRAP_CALL (check_struct_passing5)(m128s[0], m128s[1], m128s[2], m128s[3],
m128s[4], m128s[5], m128s[6], m128s[7]);
WRAP_CALL (check_struct_passing6)(m128_2s);
#endif
clear_struct_registers;
iregs.I0 = f1s.i;
num_iregs = 1;
clear_int_hardware_registers;
WRAP_CALL (check_struct_passing7)(f1s);
clear_struct_registers;
iregs.I0 = f2s.i;
num_iregs = 1;
clear_int_hardware_registers;
WRAP_CALL (check_struct_passing8)(f2s);
clear_struct_registers;
c1u.c = c1s;
iregs.I0 = c1u.u.l;
num_iregs = 1;
fregs.xmm0._float [0] = c1u.u.f;
num_fregs = 1;
clear_int_hardware_registers;
clear_float_hardware_registers;
WRAP_CALL (check_struct_passing9)(c1s);
clear_struct_registers;
c2u.c = c2s;
iregs.I0 = c2u.u.l;
num_iregs = 1;
fregs.xmm0._double[0] = c2u.u.d;
num_fregs = 1;
clear_int_hardware_registers;
clear_float_hardware_registers;
WRAP_CALL (check_struct_passing10)(c2s);
return 0;
}
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