void init_mode(void)
{
obstack_init(&modes);
mode_list = NEW_ARR_F(ir_mode*, 0);
/* initialize predefined modes */
mode_BB = new_non_data_mode("BB");
mode_X = new_non_data_mode("X");
mode_M = new_non_data_mode("M");
mode_T = new_non_data_mode("T");
mode_ANY = new_non_data_mode("ANY");
mode_BAD = new_non_data_mode("BAD");
mode_b = alloc_mode("b", irms_internal_boolean, irma_none, 1, 0, 0);
mode_b = register_mode(mode_b);
mode_F = new_float_mode("F", irma_ieee754, 8, 23, ir_overflow_min_max);
mode_D = new_float_mode("D", irma_ieee754, 11, 52, ir_overflow_min_max);
mode_Bs = new_int_mode("Bs", irma_twos_complement, 8, 1, 32);
mode_Bu = new_int_mode("Bu", irma_twos_complement, 8, 0, 32);
mode_Hs = new_int_mode("Hs", irma_twos_complement, 16, 1, 32);
mode_Hu = new_int_mode("Hu", irma_twos_complement, 16, 0, 32);
mode_Is = new_int_mode("Is", irma_twos_complement, 32, 1, 32);
mode_Iu = new_int_mode("Iu", irma_twos_complement, 32, 0, 32);
mode_Ls = new_int_mode("Ls", irma_twos_complement, 64, 1, 64);
mode_Lu = new_int_mode("Lu", irma_twos_complement, 64, 0, 64);
mode_P = new_reference_mode("P", irma_twos_complement, 32, 32);
}
int main(void)
{
ir_init();
check_mode(mode_F);
check_mode(mode_D);
#if LDBL_MANT_DIG == 64
ir_mode *mode_E = new_float_mode("E", irma_x86_extended_float, 15, 64,
ir_overflow_min_max);
check_mode(mode_E);
#endif
}
void init_mode(void)
{
obstack_init(&modes);
mode_list = NEW_ARR_F(ir_mode*, 0);
/* initialize predefined modes */
mode_BB = new_internal_mode("BB", irms_block);
mode_X = new_internal_mode("X", irms_control_flow);
mode_M = new_internal_mode("M", irms_memory);
mode_T = new_internal_mode("T", irms_tuple);
mode_ANY = new_internal_mode("ANY", irms_any);
mode_BAD = new_internal_mode("BAD", irms_bad);
mode_b = new_internal_mode("b", irms_internal_boolean);
mode_F = new_float_mode("F", irma_ieee754, 8, 23);
mode_D = new_float_mode("D", irma_ieee754, 11, 52);
mode_Q = new_float_mode("Q", irma_ieee754, 15, 112);
mode_Bs = new_int_mode("Bs", irma_twos_complement, 8, 1, 32);
mode_Bu = new_int_mode("Bu", irma_twos_complement, 8, 0, 32);
mode_Hs = new_int_mode("Hs", irma_twos_complement, 16, 1, 32);
mode_Hu = new_int_mode("Hu", irma_twos_complement, 16, 0, 32);
mode_Is = new_int_mode("Is", irma_twos_complement, 32, 1, 32);
mode_Iu = new_int_mode("Iu", irma_twos_complement, 32, 0, 32);
mode_Ls = new_int_mode("Ls", irma_twos_complement, 64, 1, 64);
mode_Lu = new_int_mode("Lu", irma_twos_complement, 64, 0, 64);
mode_LLs = new_int_mode("LLs", irma_twos_complement, 128, 1, 128);
mode_LLu = new_int_mode("LLu", irma_twos_complement, 128, 0, 128);
mode_P = new_reference_mode("P", irma_twos_complement, 32, 32);
set_reference_mode_signed_eq(mode_P, mode_Is);
set_reference_mode_unsigned_eq(mode_P, mode_Iu);
/* set the machine specific modes to the predefined ones */
mode_P_code = mode_P;
mode_P_data = mode_P;
}
static ir_mode *init_atomic_ir_mode(atomic_type_kind_t kind)
{
unsigned flags = get_atomic_type_flags(kind);
unsigned size = get_atomic_type_size(kind);
if (flags & ATOMIC_TYPE_FLAG_FLOAT) {
if (kind == ATOMIC_TYPE_LONG_DOUBLE
&& dialect.long_double_x87_80bit_float) {
assert(size == 12 || size == 16);
return new_float_mode("F80", irma_x86_extended_float, 15, 64,
target.float_int_overflow);
}
switch (size) {
case 4:
return new_float_mode("F32", irma_ieee754, 8, 23,
target.float_int_overflow);
case 8:
return new_float_mode("F64", irma_ieee754, 11, 52,
target.float_int_overflow);
case 16:
return new_float_mode("F128", irma_ieee754, 15, 112,
target.float_int_overflow);
default: panic("unexpected kind");
}
} else if (flags & ATOMIC_TYPE_FLAG_INTEGER) {
char name[64];
unsigned bit_size = size * 8;
bool is_signed = (flags & ATOMIC_TYPE_FLAG_SIGNED) != 0;
unsigned modulo_shift = decide_modulo_shift(bit_size);
snprintf(name, sizeof(name), "%s%u", is_signed ? "I" : "U", bit_size);
return new_int_mode(name, irma_twos_complement, bit_size, is_signed,
modulo_shift);
}
return NULL;
}
