* Copyright: (c) 1998-2003 Universität Karlsruhe
* Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
*/
-
-
#ifdef HAVE_CONFIG_H
-# include <config.h>
+# include "config.h"
#endif
+#ifdef HAVE_STDLIB_H
# include <stdlib.h>
-# include <stddef.h>
+#endif
+#ifdef HAVE_STRING_H
# include <string.h>
-# include <stdbool.h>
+#endif
+
+# include <stddef.h>
# include "irmode_t.h"
# include "ident.h"
if (m->sort == n->sort &&
m->arithmetic == n->arithmetic &&
m->size == n->size &&
- m->align == n->align &&
m->sign == n->sign &&
m->modulo_shift == n->modulo_shift &&
m->vector_elem == n->vector_elem)
}
/**
- * Registers a new mode if not defined yet, else returns
- * the "equivalent" one.
+ * Registers a new mode.
+ *
+ * @param new_mode The new mode template.
*/
static ir_mode *register_mode(const ir_mode* new_mode)
{
mode = (ir_mode*)obstack_copy(&modes, new_mode, sizeof(ir_mode));
mode->kind = k_ir_mode;
- if(num_modes>=irm_max) mode->code = num_modes;
+ if (num_modes >= irm_max) mode->code = num_modes;
num_modes++;
set_mode_values(mode);
/*
* Creates a new mode.
*/
-ir_mode *new_ir_mode(const char *name, mode_sort sort, int bit_size, int align, int sign,
+ir_mode *new_ir_mode(const char *name, mode_sort sort, int bit_size, int sign,
mode_arithmetic arithmetic, unsigned int modulo_shift )
{
ir_mode mode_tmpl;
mode_tmpl.name = new_id_from_str(name);
mode_tmpl.sort = sort;
mode_tmpl.size = bit_size;
- mode_tmpl.align = align;
mode_tmpl.sign = sign ? 1 : 0;
mode_tmpl.modulo_shift = (mode_tmpl.sort == irms_int_number) ? modulo_shift : 0;
mode_tmpl.vector_elem = 1;
/*
* Creates a new vector mode.
*/
-ir_mode *new_ir_vector_mode(const char *name, mode_sort sort, int bit_size, unsigned num_of_elem, int align, int sign,
+ir_mode *new_ir_vector_mode(const char *name, mode_sort sort, int bit_size, unsigned num_of_elem, int sign,
mode_arithmetic arithmetic, unsigned int modulo_shift )
{
ir_mode mode_tmpl;
mode_tmpl.name = new_id_from_str(name);
mode_tmpl.sort = sort;
mode_tmpl.size = bit_size * num_of_elem;
- mode_tmpl.align = align;
mode_tmpl.sign = sign ? 1 : 0;
mode_tmpl.modulo_shift = (mode_tmpl.sort == irms_int_number) ? modulo_shift : 0;
mode_tmpl.vector_elem = num_of_elem;
return __get_mode_size_bytes(mode);
}
-int
-(get_mode_align)(const ir_mode *mode)
-{
- ANNOUNCE();
- return __get_mode_align(mode);
-}
-
int
(get_mode_sign)(const ir_mode *mode)
{
}
unsigned int
-(get_mode_vector_elems)(const ir_mode *mode) {
+(get_mode_n_vector_elems)(const ir_mode *mode) {
return __get_mode_vector_elems(mode);
}
int
is_mode (void *thing) {
- assert(thing);
if (get_kind(thing) == k_ir_mode)
return 1;
else
return 0;
}
-/* ** initialization ** */
+/* initialization, build the default modes */
void
init_mode (void)
{
/* Internal Modes */
newmode.arithmetic = irma_none;
newmode.size = 0;
- newmode.align = 0;
newmode.sign = 0;
newmode.modulo_shift = 0;
newmode.vector_elem = 0;
newmode.sort = irms_control_flow;
/* Basic Block */
- newmode.name = id_from_str("BB", 2);
+ newmode.name = new_id_from_chars("BB", 2);
newmode.code = irm_BB;
mode_BB = register_mode(&newmode);
/* eXecution */
- newmode.name = id_from_str("X", 1);
+ newmode.name = new_id_from_chars("X", 1);
newmode.code = irm_X;
mode_X = register_mode(&newmode);
newmode.sort = irms_memory;
/* Memory */
- newmode.name = id_from_str("M", 1);
+ newmode.name = new_id_from_chars("M", 1);
newmode.code = irm_M;
mode_M = register_mode(&newmode);
newmode.sort = irms_auxiliary,
/* Tuple */
- newmode.name = id_from_str("T", 1);
+ newmode.name = new_id_from_chars("T", 1);
newmode.code = irm_T;
mode_T = register_mode(&newmode);
/* ANY */
- newmode.name = id_from_str("ANY", 3);
+ newmode.name = new_id_from_chars("ANY", 3);
newmode.code = irm_ANY;
mode_ANY = register_mode(&newmode);
/* BAD */
- newmode.name = id_from_str("BAD", 3);
+ newmode.name = new_id_from_chars("BAD", 3);
newmode.code = irm_BAD;
mode_BAD = register_mode(&newmode);
newmode.sort = irms_internal_boolean;
/* boolean */
- newmode.name = id_from_str("b", 1);
+ newmode.name = new_id_from_chars("b", 1);
newmode.code = irm_b;
mode_b = register_mode(&newmode);
newmode.vector_elem = 1;
/* Float Number Modes */
- newmode.sort = irms_float_number;
+ newmode.sort = irms_float_number;
newmode.arithmetic = irma_ieee754;
/* float */
- newmode.name = id_from_str("F", 1);
+ newmode.name = new_id_from_chars("F", 1);
newmode.code = irm_F;
newmode.sign = 1;
- newmode.align = 4;
newmode.size = 32;
mode_F = register_mode(&newmode);
/* double */
- newmode.name = id_from_str("D", 1);
+ newmode.name = new_id_from_chars("D", 1);
newmode.code = irm_D;
newmode.sign = 1;
- newmode.align = 4;
newmode.size = 64;
mode_D = register_mode(&newmode);
/* extended */
- newmode.name = id_from_str("E", 1);
+ newmode.name = new_id_from_chars("E", 1);
newmode.code = irm_E;
newmode.sign = 1;
- newmode.align = 4;
newmode.size = 80;
mode_E = register_mode(&newmode);
/* Integer Number Modes */
- newmode.sort = irms_int_number;
- newmode.arithmetic = irma_twos_complement;
+ newmode.sort = irms_int_number;
+ newmode.arithmetic = irma_twos_complement;
/* signed byte */
- newmode.name = id_from_str("Bs", 2);
- newmode.code = irm_Bs;
- newmode.sign = 1;
- newmode.align = 1;
- newmode.size = 8;
+ newmode.name = new_id_from_chars("Bs", 2);
+ newmode.code = irm_Bs;
+ newmode.sign = 1;
+ newmode.size = 8;
newmode.modulo_shift = 32;
mode_Bs = register_mode(&newmode);
/* unsigned byte */
- newmode.name = id_from_str("Bu", 2);
- newmode.code = irm_Bu;
- newmode.arithmetic = irma_twos_complement;
- newmode.sign = 0;
- newmode.align = 1;
- newmode.size = 8;
+ newmode.name = new_id_from_chars("Bu", 2);
+ newmode.code = irm_Bu;
+ newmode.arithmetic = irma_twos_complement;
+ newmode.sign = 0;
+ newmode.size = 8;
newmode.modulo_shift = 32;
mode_Bu = register_mode(&newmode);
/* signed short integer */
- newmode.name = id_from_str("Hs", 2);
- newmode.code = irm_Hs;
- newmode.sign = 1;
- newmode.align = 2;
- newmode.size = 16;
+ newmode.name = new_id_from_chars("Hs", 2);
+ newmode.code = irm_Hs;
+ newmode.sign = 1;
+ newmode.size = 16;
newmode.modulo_shift = 32;
mode_Hs = register_mode(&newmode);
/* unsigned short integer */
- newmode.name = id_from_str("Hu", 2);
- newmode.code = irm_Hu;
- newmode.sign = 0;
- newmode.align = 2;
- newmode.size = 16;
+ newmode.name = new_id_from_chars("Hu", 2);
+ newmode.code = irm_Hu;
+ newmode.sign = 0;
+ newmode.size = 16;
newmode.modulo_shift = 32;
mode_Hu = register_mode(&newmode);
/* signed integer */
- newmode.name = id_from_str("Is", 2);
- newmode.code = irm_Is;
- newmode.sign = 1;
- newmode.align = 4;
- newmode.size = 32;
+ newmode.name = new_id_from_chars("Is", 2);
+ newmode.code = irm_Is;
+ newmode.sign = 1;
+ newmode.size = 32;
newmode.modulo_shift = 32;
mode_Is = register_mode(&newmode);
/* unsigned integer */
- newmode.name = id_from_str("Iu", 2);
- newmode.code = irm_Iu;
- newmode.sign = 0;
- newmode.align = 4;
- newmode.size = 32;
+ newmode.name = new_id_from_chars("Iu", 2);
+ newmode.code = irm_Iu;
+ newmode.sign = 0;
+ newmode.size = 32;
newmode.modulo_shift = 32;
mode_Iu = register_mode(&newmode);
/* signed long integer */
- newmode.name = id_from_str("Ls", 2);
- newmode.code = irm_Ls;
- newmode.sign = 1;
- newmode.align = 4;
- newmode.size = 64;
+ newmode.name = new_id_from_chars("Ls", 2);
+ newmode.code = irm_Ls;
+ newmode.sign = 1;
+ newmode.size = 64;
newmode.modulo_shift = 64;
mode_Ls = register_mode(&newmode);
/* unsigned long integer */
- newmode.name = id_from_str("Lu", 2);
- newmode.code = irm_Lu;
- newmode.sign = 0;
- newmode.align = 4;
- newmode.size = 64;
+ newmode.name = new_id_from_chars("Lu", 2);
+ newmode.code = irm_Lu;
+ newmode.sign = 0;
+ newmode.size = 64;
newmode.modulo_shift = 64;
mode_Lu = register_mode(&newmode);
/* Character Modes */
- newmode.sort = irms_character;
- newmode.arithmetic = irma_none;
+ newmode.sort = irms_character;
+ newmode.arithmetic = irma_none;
/* Character */
- newmode.name = id_from_str("C", 1);
- newmode.code = irm_C;
- newmode.sign = 0;
- newmode.align = 1;
- newmode.size = 8;
+ newmode.name = new_id_from_chars("C", 1);
+ newmode.code = irm_C;
+ newmode.sign = 0;
+ newmode.size = 8;
newmode.modulo_shift = 32;
mode_C = register_mode(&newmode);
/* Unicode character */
- newmode.name = id_from_str("U", 1);
- newmode.code = irm_U;
- newmode.sign = 0;
- newmode.align = 2;
- newmode.size = 16;
+ newmode.name = new_id_from_chars("U", 1);
+ newmode.code = irm_U;
+ newmode.sign = 0;
+ newmode.size = 16;
newmode.modulo_shift = 32;
mode_U = register_mode(&newmode);
newmode.arithmetic = irma_twos_complement;
/* pointer */
- newmode.name = id_from_str("P", 1);
- newmode.code = irm_P;
- newmode.sign = 0;
- newmode.align = 4;
- newmode.size = 32;
+ newmode.name = new_id_from_chars("P", 1);
+ newmode.code = irm_P;
+ newmode.sign = 0;
+ newmode.size = 32;
newmode.modulo_shift = 0;
mode_P = register_mode(&newmode);
mode_P_mach = mode_P;
}
+/* find a signed mode for an unsigned integer mode */
+ir_mode *find_unsigned_mode(const ir_mode *mode) {
+ ir_mode n = *mode;
+
+ if (mode->sort != irms_int_number);
+ n.sign = 0;
+ return find_mode(&n);
+}
+
+/* find an unsigned mode for a signed integer mode */
+ir_mode *find_signed_mode(const ir_mode *mode) {
+ ir_mode n = *mode;
+
+ assert(mode->sort == irms_int_number);
+ n.sign = 1;
+ return find_mode(&n);
+}
+
+/* finds a integer mode with 2*n bits for an integer mode with n bits. */
+ir_mode *find_double_bits_int_mode(const ir_mode *mode) {
+ ir_mode n = *mode;
+
+ assert(mode->sort == irms_int_number && mode->arithmetic == irma_twos_complement);
+
+ n.size = 2*mode->size;
+ return find_mode(&n);
+}
void finish_mode(void) {
obstack_free(&modes, 0);
projects / libfirm / blobdiff