{
/* print a memory image of the tarval and throw an assertion */
if (tv)
- printf("%s:%d: Invalid tarval:\n mode: %s\n value: [%p]\n", file, line, get_mode_name(tv->mode), tv->value);
+ panic("%s:%d: Invalid tarval: mode: %F\n value: [%p]", file, line, tv->mode, tv->value);
else
- printf("%s:%d: Invalid tarval (null)", file, line);
- assert(0);
+ panic("%s:%d: Invalid tarval (null)", file, line);
}
#ifdef __GNUC__
INLINE static void tarval_verify(tarval *tv) __attribute__ ((unused));
assert(tv1->kind == k_tarval);
assert(tv2->kind == k_tarval);
- if(tv1->mode < tv2->mode)
+ if (tv1->mode < tv2->mode)
return -1;
- if(tv1->mode > tv2->mode)
+ if (tv1->mode > tv2->mode)
return 1;
- if(tv1->length < tv2->length)
+ if (tv1->length < tv2->length)
return -1;
- if(tv1->length > tv2->length)
+ if (tv1->length > tv2->length)
return 1;
- if(tv1->value < tv2->value)
+ if (tv1->value < tv2->value)
return -1;
- if(tv1->value > tv2->value)
+ if (tv1->value > tv2->value)
return 1;
return 0;
case irms_control_flow:
case irms_memory:
case irms_auxiliary:
- assert(0);
- break;
+ panic("Unsupported tarval creation with mode %F", mode);
case irms_internal_boolean:
/* match [tT][rR][uU][eE]|[fF][aA][lL][sS][eE] */
sc_val_from_str(str, len, NULL, mode);
return get_tarval(sc_get_buffer(), sc_get_buffer_length(), mode);
}
-
- assert(0); /* can't be reached, can it? */
- return NULL;
+ panic("Unsupported tarval creation with mode %F", mode);
}
/*
case irms_control_flow:
case irms_memory:
case irms_auxiliary:
- assert(0);
- break;
+ panic("mode %F does not support maximum value", mode);
case irms_internal_boolean:
return tarval_b_true;
case irms_control_flow:
case irms_memory:
case irms_auxiliary:
- assert(0);
- break;
+ panic("mode %F does not support minimum value", mode);
case irms_internal_boolean:
return tarval_b_false;
case irms_control_flow:
case irms_memory:
case irms_auxiliary:
- assert(0);
- break;
+ panic("mode %F does not support null value", mode);
case irms_float_number:
return new_tarval_from_double(0.0, mode);
tarval *get_tarval_one(ir_mode *mode) {
assert(mode);
- if (get_mode_n_vector_elems(mode) > 1) {
- /* vector arithmetic not implemented yet */
- assert(0);
- return tarval_bad;
- }
+ if (get_mode_n_vector_elems(mode) > 1)
+ panic("vector arithmetic not implemented yet");
switch (get_mode_sort(mode)) {
case irms_control_flow:
case irms_memory:
case irms_auxiliary:
- assert(0);
- break;
+ panic("mode %F does not support one value", mode);
case irms_internal_boolean:
return tarval_b_true;
tarval *get_tarval_all_one(ir_mode *mode) {
assert(mode);
- if (get_mode_n_vector_elems(mode) > 1) {
- /* vector arithmetic not implemented yet */
- assert(0);
- return tarval_bad;
- }
+ if (get_mode_n_vector_elems(mode) > 1)
+ panic("vector arithmetic not implemented yet");
switch (get_mode_sort(mode)) {
case irms_control_flow:
case irms_memory:
case irms_auxiliary:
- assert(0);
- return tarval_bad;
+ panic("mode %F does not support all-one value", mode);
case irms_int_number:
case irms_internal_boolean:
tarval *get_tarval_minus_one(ir_mode *mode) {
assert(mode);
- if (get_mode_n_vector_elems(mode) > 1) {
- /* vector arithmetic not implemented yet */
- return tarval_bad;
- }
+ if (get_mode_n_vector_elems(mode) > 1)
+ panic("vector arithmetic not implemented yet");
switch (get_mode_sort(mode)) {
case irms_control_flow:
case irms_memory:
case irms_auxiliary:
case irms_internal_boolean:
- assert(0);
- break;
+ panic("mode %F does not support minus one value", mode);
case irms_reference:
return tarval_bad;
const ieee_descriptor_t *desc;
assert(mode);
- if (get_mode_n_vector_elems(mode) > 1) {
- /* vector arithmetic not implemented yet */
- return tarval_bad;
- }
+ if (get_mode_n_vector_elems(mode) > 1)
+ panic("vector arithmetic not implemented yet");
if (get_mode_sort(mode) == irms_float_number) {
desc = get_descriptor(mode);
fc_get_qnan(desc, NULL);
return get_tarval(fc_get_buffer(), fc_get_buffer_length(), mode);
- } else {
- assert(0 && "tarval is not floating point");
- return tarval_bad;
- }
+ } else
+ panic("mode %F does not support NaN value", mode);
}
tarval *get_tarval_plus_inf(ir_mode *mode) {
assert(mode);
- if (get_mode_n_vector_elems(mode) > 1) {
- /* vector arithmetic not implemented yet */
- return tarval_bad;
- }
+ if (get_mode_n_vector_elems(mode) > 1)
+ panic("vector arithmetic not implemented yet");
if (get_mode_sort(mode) == irms_float_number) {
const ieee_descriptor_t *desc = get_descriptor(mode);
fc_get_plusinf(desc, NULL);
return get_tarval(fc_get_buffer(), fc_get_buffer_length(), mode);
- } else {
- assert(0 && "tarval is not floating point");
- return tarval_bad;
- }
+ } else
+ panic("mode %F does not support +inf value", mode);
}
tarval *get_tarval_minus_inf(ir_mode *mode) {
assert(mode);
- if (get_mode_n_vector_elems(mode) > 1) {
- /* vector arithmetic not implemented yet */
- return tarval_bad;
- }
+ if (get_mode_n_vector_elems(mode) > 1)
+ panic("vector arithmetic not implemented yet");
if (get_mode_sort(mode) == irms_float_number) {
const ieee_descriptor_t *desc = get_descriptor(mode);
fc_get_minusinf(desc, NULL);
return get_tarval(fc_get_buffer(), fc_get_buffer_length(), mode);
- } else {
- assert(0 && "tarval is not floating point");
- return tarval_bad;
- }
+ } else
+ panic("mode %F does not support -inf value", mode);
}
/*
- * Arithmethic operations on tarvals ========================================
+ * Arithmetic operations on tarvals ========================================
*/
/*
int tarval_is_negative(tarval *a) {
assert(a);
- if (get_mode_n_vector_elems(a->mode) > 1) {
- /* vector arithmetic not implemented yet */
- assert(0 && "tarval_is_negative is not allowed for vector modes");
- return 0;
- }
+ if (get_mode_n_vector_elems(a->mode) > 1)
+ panic("vector arithmetic not implemented yet");
switch (get_mode_sort(a->mode)) {
case irms_int_number:
return fc_is_negative(a->value);
default:
- assert(0 && "not implemented");
- return 0;
+ panic("mode %F does not support negation value", a->mode);
}
}
assert(b);
if (a == tarval_bad || b == tarval_bad) {
- assert(0 && "Comparison with tarval_bad");
+ panic("Comparison with tarval_bad");
return pn_Cmp_False;
}
* addition
*/
tarval *tarval_add(tarval *a, tarval *b) {
- tarval *res;
- char *buffer;
- ir_mode *imm_mode, *dst_mode = NULL;
+ char *buffer;
assert(a);
assert(b);
return tarval_bad;
}
- if (mode_is_reference(a->mode)) {
- dst_mode = a->mode;
- imm_mode = find_unsigned_mode(a->mode);
-
- if (imm_mode == NULL)
- return tarval_bad;
-
- a = tarval_convert_to(a, imm_mode);
- b = tarval_convert_to(b, imm_mode);
- }
- if (mode_is_reference(b->mode)) {
- dst_mode = b->mode;
- imm_mode = find_unsigned_mode(b->mode);
-
- if (imm_mode == 0)
- return tarval_bad;
-
- a = tarval_convert_to(a, imm_mode);
- b = tarval_convert_to(b, imm_mode);
+ if (mode_is_reference(a->mode) && a->mode != b->mode) {
+ b = tarval_convert_to(b, a->mode);
+ } else if (mode_is_reference(b->mode) && b->mode != a->mode) {
+ a = tarval_convert_to(a, b->mode);
}
assert(a->mode == b->mode);
switch (get_mode_sort(a->mode)) {
+ case irms_reference:
case irms_int_number:
/* modes of a,b are equal, so result has mode of a as this might be the character */
buffer = alloca(sc_get_buffer_length());
sc_add(a->value, b->value, buffer);
- res = get_tarval_overflow(buffer, a->length, a->mode);
- break;
+ return get_tarval_overflow(buffer, a->length, a->mode);
case irms_float_number:
if (no_float)
return tarval_bad;
fc_add(a->value, b->value, NULL);
- res = get_tarval_overflow(fc_get_buffer(), fc_get_buffer_length(), a->mode);
- break;
+ return get_tarval_overflow(fc_get_buffer(), fc_get_buffer_length(), a->mode);
default:
return tarval_bad;
}
- if (dst_mode != NULL)
- return tarval_convert_to(res, dst_mode);
- return res;
}
/*
}
if (dst_mode != NULL) {
- if (mode_is_reference(a->mode)) {
+ if (a->mode != dst_mode)
a = tarval_convert_to(a, dst_mode);
- }
- if (mode_is_reference(b->mode)) {
+ if (b->mode != dst_mode)
b = tarval_convert_to(b, dst_mode);
- }
- assert(a->mode == dst_mode);
}
assert(a->mode == b->mode);
switch (get_mode_sort(a->mode)) {
+ case irms_reference:
case irms_int_number:
/* modes of a,b are equal, so result has mode of a as this might be the character */
buffer = alloca(sc_get_buffer_length());
return fc_is_exact();
}
+/* Return the size of the mantissa in bits (including possible
+ implicit bits) for the given mode. */
+unsigned tarval_ieee754_get_mantissa_size(const ir_mode *mode) {
+ const ieee_descriptor_t *desc;
+
+ assert(get_mode_arithmetic(mode) == irma_ieee754);
+ desc = get_descriptor(mode);
+
+ return desc->mantissa_size + desc->explicit_one;
+}
+
/* check if its the a floating point NaN */
int tarval_is_NaN(tarval *tv) {
if (! mode_is_float(tv->mode))
/*
* Initialization of the tarval module: called before init_mode()
*/
-void init_tarval_1(long null_value) {
+void init_tarval_1(long null_value, int support_quad_precision) {
/* if these assertion fail, tarval_is_constant() will follow ... */
assert(tarval_b_false == &reserved_tv[0] && "b_false MUST be the first reserved tarval!");
assert(tarval_b_true == &reserved_tv[1] && "b_true MUST be the second reserved tarval!");
* an initial size, which is the expected number of constants */
tarvals = new_set(cmp_tv, N_CONSTANTS);
values = new_set(memcmp, N_CONSTANTS);
- /* init strcalc with precision of 68 to support floating point values with 64
- * bit mantissa (needs extra bits for rounding and overflow) */
- init_strcalc(68);
- init_fltcalc(0);
+ /* calls init_strcalc() with needed size */
+ init_fltcalc(support_quad_precision ? 112 : 64);
}
/*
projects / libfirm / blobdiff