* 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
-# include "irmode_t.h"
-# include "ident.h"
+#ifdef HAVE_STDLIB_H
# include <stdlib.h>
-# include <stddef.h>
+#endif
+#ifdef HAVE_STRING_H
# include <string.h>
+#endif
+
+# include <stddef.h>
+
+# include "irmode_t.h"
+# include "ident.h"
# include "tv.h"
# include "obst.h"
-# include "misc.h"
#if 0
static long long count = 0;
INLINE static int modes_are_equal(const ir_mode *m, const ir_mode *n)
{
if (m == n) return 1;
- if (m->sort == n->sort && m->arithmetic == n->arithmetic && m->size == n->size && m->align == n->align && m->sign == n->sign)
+ if (m->sort == n->sort &&
+ m->arithmetic == n->arithmetic &&
+ m->size == n->size &&
+ m->sign == n->sign &&
+ m->modulo_shift == n->modulo_shift &&
+ m->vector_elem == n->vector_elem)
return 1;
-// if (0 == memcmp(&m->sort, &n->sort, offsetof(ir_mode,min) - offsetof(ir_mode,sort))) return 1;
return 0;
}
+/*
+ * calculates the next obstack address
+ */
+static void *next_obstack_adr(struct obstack *o, void *p, size_t s)
+{
+ PTR_INT_TYPE adr = __PTR_TO_INT((char *)p);
+ int mask = obstack_alignment_mask(o);
+
+ adr += s + mask;
+
+ return __INT_TO_PTR(adr & ~mask);
+}
+
/**
* searches the modes obstack for the given mode and returns
* a pointer on an equal mode already in the array, NULL if
*/
static ir_mode *find_mode(const ir_mode *m)
{
- ir_mode *n;
+ ir_mode *n, *nn;
struct _obstack_chunk *p;
- p = modes.chunk;
- for ( n = (ir_mode *)p->contents; (char *)(n+1) <= modes.next_free; ++n) {
+ p = modes.chunk;
+ n = (ir_mode *)p->contents;
+ nn = next_obstack_adr(&modes, n, sizeof(*n));
+ for (; (char *)nn <= modes.next_free;) {
assert(is_mode(n));
if (modes_are_equal(n, m))
return n;
+
+ n = nn;
+ nn = next_obstack_adr(&modes, n, sizeof(*n));
}
for (p = p->prev; p; p = p->prev) {
- for (n = (ir_mode *)p->contents; (char *)(n+1) < p->limit; ++n)
+ n = (ir_mode *)p->contents;
+ nn = next_obstack_adr(&modes, n, sizeof(*n));
+ for (; (char *)nn < p->limit;) {
assert(is_mode(n));
if (modes_are_equal(n, m))
return n;
+
+ n = nn;
+ nn = next_obstack_adr(&modes, n, sizeof(*n));
+ }
}
return NULL;
{
switch (get_mode_sort(mode))
{
+ case irms_character:
case irms_int_number:
case irms_float_number:
mode->min = get_tarval_min(mode);
case irms_reference:
mode->min = tarval_bad;
mode->max = tarval_bad;
- mode->null = (get_mode_modecode(mode)==irm_P)?tarval_P_void:tarval_bad;
+ mode->null = (get_mode_modecode(mode) == irm_P) ? tarval_P_void : tarval_bad;
mode->one = tarval_bad;
break;
- case irms_character:
case irms_auxiliary:
case irms_memory:
case irms_control_flow:
INLINE ir_mode *get_modeBAD(void) { ANNOUNCE(); return mode_BAD; }
-ir_mode *get_modeP_mach(void) { ANNOUNCE(); return mode_P_mach; }
-void set_modeP_mach(ir_mode *p) {
+ir_mode *(get_modeP_mach)(void) {
ANNOUNCE();
- assert(mode_is_reference(p));
- mode_P_mach = p;
- }
+ return __get_modeP_mach();
+}
+
+void (set_modeP_mach)(ir_mode *p) {
+ ANNOUNCE();
+ __set_modeP_mach(p);
+}
/**
- * 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)
{
assert(new_mode);
/* copy mode struct to modes array */
- mode=(ir_mode*) obstack_copy(&modes, new_mode, sizeof(ir_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, mode_arithmetic arithmetic )
+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;
ir_mode *mode;
- 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.arithmetic = arithmetic;
- mode_tmpl.link = NULL;
- mode_tmpl.tv_priv = NULL;
+ mode_tmpl.name = new_id_from_str(name);
+ mode_tmpl.sort = sort;
+ mode_tmpl.size = bit_size;
+ mode_tmpl.sign = sign ? 1 : 0;
+ mode_tmpl.modulo_shift = (mode_tmpl.sort == irms_int_number) ? modulo_shift : 0;
+ mode_tmpl.vector_elem = 1;
+ mode_tmpl.arithmetic = arithmetic;
+ mode_tmpl.link = NULL;
+ mode_tmpl.tv_priv = NULL;
mode = find_mode(&mode_tmpl);
if (mode)
return NULL;
case irms_float_number:
- assert(0 && "not yet implemented");
+ case irms_int_number:
+ case irms_reference:
+ case irms_character:
+ return register_mode(&mode_tmpl);
+ }
+ return NULL; /* to shut up gcc */
+}
+
+/*
+ * 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 sign,
+ mode_arithmetic arithmetic, unsigned int modulo_shift )
+{
+ ir_mode mode_tmpl;
+ ir_mode *mode;
+
+ mode_tmpl.name = new_id_from_str(name);
+ mode_tmpl.sort = sort;
+ mode_tmpl.size = bit_size * num_of_elem;
+ 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;
+ mode_tmpl.arithmetic = arithmetic;
+ mode_tmpl.link = NULL;
+ mode_tmpl.tv_priv = NULL;
+
+ mode = find_mode(&mode_tmpl);
+ if (mode)
+ return mode;
+
+ if (num_of_elem <= 1) {
+ assert(0 && "vector modes should have at least 2 elements");
+ return NULL;
+ }
+
+ /* sanity checks */
+ switch (sort)
+ {
+ case irms_auxiliary:
+ case irms_control_flow:
+ case irms_memory:
+ case irms_internal_boolean:
+ assert(0 && "internal modes cannot be user defined");
return NULL;
- case irms_int_number:
case irms_reference:
case irms_character:
+ assert(0 && "only integer and floating point modes can be vectorized");
+ return NULL;
+
+ case irms_float_number:
+ assert(0 && "not yet implemented");
+ return NULL;
+
+ case irms_int_number:
return register_mode(&mode_tmpl);
}
return NULL; /* to shut up gcc */
/* Functions for the direct access to all attributes od a ir_mode */
modecode
-get_mode_modecode(const ir_mode *mode)
+(get_mode_modecode)(const ir_mode *mode)
{
ANNOUNCE();
- return mode->code;
+ return __get_mode_modecode(mode);
}
ident *
-get_mode_ident(const ir_mode *mode)
+(get_mode_ident)(const ir_mode *mode)
{
ANNOUNCE();
- return mode->name;
+ return __get_mode_ident(mode);
}
const char *
}
mode_sort
-get_mode_sort(const ir_mode* mode)
+(get_mode_sort)(const ir_mode* mode)
{
ANNOUNCE();
- return mode->sort;
+ return __get_mode_sort(mode);
}
-INLINE int
-get_mode_size_bits(const ir_mode *mode)
+int
+(get_mode_size_bits)(const ir_mode *mode)
{
ANNOUNCE();
- return mode->size;
+ return __get_mode_size_bits(mode);
}
-int get_mode_size_bytes(const ir_mode *mode) {
- int size = get_mode_size_bits(mode);
+int
+(get_mode_size_bytes)(const ir_mode *mode) {
ANNOUNCE();
- if ((size & 7) != 0) return -1;
- return size >> 3;
+ return __get_mode_size_bytes(mode);
}
int
-get_mode_align (const ir_mode *mode)
+(get_mode_sign)(const ir_mode *mode)
{
ANNOUNCE();
- return mode->align;
+ return __get_mode_sign(mode);
}
int
-get_mode_sign (const ir_mode *mode)
+(get_mode_arithmetic)(const ir_mode *mode)
{
ANNOUNCE();
- return mode->sign;
+ return get_mode_arithmetic(mode);
}
-int get_mode_arithmetic (const ir_mode *mode)
-{
- ANNOUNCE();
- return mode->arithmetic;
+
+/* Attribute modulo shift specifies for modes of kind irms_int_number
+ * whether shift applies modulo to value of bits to shift. Asserts
+ * if mode is not irms_int_number.
+ */
+unsigned int
+(get_mode_modulo_shift)(const ir_mode *mode) {
+ return __get_mode_modulo_shift(mode);
}
-void* get_mode_link(const ir_mode *mode)
+unsigned int
+(get_mode_n_vector_elems)(const ir_mode *mode) {
+ return __get_mode_vector_elems(mode);
+}
+
+void *
+(get_mode_link)(const ir_mode *mode)
{
ANNOUNCE();
- return mode->link;
+ return __get_mode_link(mode);
}
-void set_mode_link(ir_mode *mode, void *l)
+void
+(set_mode_link)(ir_mode *mode, void *l)
{
- mode->link=l;
- return;
+ __set_mode_link(mode, l);
}
tarval *
int
is_mode (void *thing) {
- assert(thing);
if (get_kind(thing) == k_ir_mode)
return 1;
else
return 0;
}
-/* Functions to check, whether a modecode is signed, float, int, num, data,
- datab or dataM. For more exact definitions read the corresponding pages
- in the firm documentation or the followingenumeration
-
- The set of "float" is defined as:
- ---------------------------------
- float = {irm_F, irm_D, irm_E}
-
- The set of "int" is defined as:
- -------------------------------
- int = {irm_Bs, irm_Bu, irm_Hs, irm_Hu, irm_Is, irm_Iu, irm_Ls, irm_Lu}
-
- The set of "num" is defined as:
- -------------------------------
- num = {irm_F, irm_D, irm_E, irm_Bs, irm_Bu, irm_Hs, irm_Hu,
- irm_Is, irm_Iu, irm_Ls, irm_Lu}
- = {float || int}
-
- The set of "data" is defined as:
- -------------------------------
- data = {irm_F, irm_D, irm_E irm_Bs, irm_Bu, irm_Hs, irm_Hu,
- irm_Is, irm_Iu, irm_Ls, irm_Lu, irm_C, irm_U, irm_P}
- = {num || irm_C || irm_U || irm_P}
-
- The set of "datab" is defined as:
- ---------------------------------
- datab = {irm_F, irm_D, irm_E, irm_Bs, irm_Bu, irm_Hs, irm_Hu,
- irm_Is, irm_Iu, irm_Ls, irm_Lu, irm_C, irm_U, irm_P, irm_b}
- = {data || irm_b }
-
- The set of "dataM" is defined as:
- ---------------------------------
- dataM = {irm_F, irm_D, irm_E, irm_Bs, irm_Bu, irm_Hs, irm_Hu,
- irm_Is, irm_Iu, irm_Ls, irm_Lu, irm_C, irm_U, irm_P, irm_M}
- = {data || irm_M}
-*/
-
-#ifdef MODE_ACCESS_DEFINES
-# undef mode_is_signed
-# undef mode_is_float
-# undef mode_is_int
-# undef mode_is_num
-# undef mode_is_numP
-# undef mode_is_data
-# undef mode_is_datab
-# undef mode_is_dataM
-#endif
int
-mode_is_signed (const ir_mode *mode)
-{
+(mode_is_signed)(const ir_mode *mode) {
ANNOUNCE();
- assert(mode);
- return mode->sign;
+ return __mode_is_signed(mode);
}
int
-mode_is_float (const ir_mode *mode)
-{
+(mode_is_float)(const ir_mode *mode) {
ANNOUNCE();
- assert(mode);
- return (get_mode_sort(mode) == irms_float_number);
+ return __mode_is_float(mode);
}
int
-mode_is_int (const ir_mode *mode)
-{
+(mode_is_int)(const ir_mode *mode) {
ANNOUNCE();
- assert(mode);
- return (get_mode_sort(mode) == irms_int_number);
+ return __mode_is_int(mode);
}
-int mode_is_character (const ir_mode *mode)
-{
+int
+(mode_is_character)(const ir_mode *mode) {
ANNOUNCE();
- assert(mode);
- return (get_mode_sort(mode) == irms_character);
+ return __mode_is_character(mode);
}
-int mode_is_reference (const ir_mode *mode)
-{
+int
+(mode_is_reference)(const ir_mode *mode) {
ANNOUNCE();
- assert(mode);
- return (get_mode_sort(mode) == irms_reference);
+ return __mode_is_reference(mode);
}
int
-mode_is_num (const ir_mode *mode)
-{
+(mode_is_num)(const ir_mode *mode) {
ANNOUNCE();
- assert(mode);
- return (mode_is_int(mode) || mode_is_float(mode));
+ return __mode_is_num(mode);
}
int
-mode_is_numP (const ir_mode *mode)
-{
+(mode_is_numP)(const ir_mode *mode) {
ANNOUNCE();
- assert(mode);
- return (mode_is_int(mode) || mode_is_float(mode) || mode_is_reference(mode));
+ return __mode_is_numP(mode);
}
int
-mode_is_data (const ir_mode *mode)
-{
+(mode_is_data)(const ir_mode *mode) {
ANNOUNCE();
- assert(mode);
- return (mode_is_num(mode) || get_mode_sort(mode) == irms_character || get_mode_sort(mode) == irms_reference);
+ return __mode_is_data(mode);
}
int
-mode_is_datab (const ir_mode *mode)
-{
+(mode_is_datab)(const ir_mode *mode) {
ANNOUNCE();
- assert(mode);
- return (mode_is_data(mode) || get_mode_sort(mode) == irms_internal_boolean);
+ return __mode_is_datab(mode);
}
int
-mode_is_dataM (const ir_mode *mode)
-{
+(mode_is_dataM)(const ir_mode *mode) {
ANNOUNCE();
- assert(mode);
- return (mode_is_data(mode) || get_mode_modecode(mode) == irm_M);
-}
-#ifdef MODE_ACCESS_DEFINES
-# define mode_is_signed(mode) (mode)->sign
-# define mode_is_float(mode) ((mode)->sort == irms_float_number)
-# define mode_is_int(mode) ((mode)->sort == irms_int_number)
-# define mode_is_num(mode) (((mode)->sort == irms_float_number) || ((mode)->sort == irms_int_number))
-# define mode_is_data(mode) (((mode)->sort == irms_float_number) || ((mode)->sort == irms_int_number) || ((mode)->sort == irms_character) || ((mode)->sort == irms_reference))
-# define mode_is_datab(mode) (((mode)->sort == irms_float_number) || ((mode)->sort == irms_int_number) || ((mode)->sort == irms_character) || ((mode)->sort == irms_reference) || ((mode)->sort == irms_internal_boolean))
-# define mode_is_dataM(mode) (((mode)->sort == irms_float_number) || ((mode)->sort == irms_int_number) || ((mode)->sort == irms_character) || ((mode)->sort == irms_reference) || ((mode)->code == irm_M))
-#endif
+ return __mode_is_dataM(mode);
+}
+
+int
+(mode_is_float_vector)(const ir_mode *mode) {
+ ANNOUNCE();
+ return __mode_is_float_vector(mode);
+}
+
+int
+(mode_is_int_vector)(const ir_mode *mode) {
+ ANNOUNCE();
+ return __mode_is_int_vector(mode);
+}
+
/* Returns true if sm can be converted to lm without loss. */
int
smaller_mode(const ir_mode *sm, const ir_mode *lm)
{
+ int sm_bits, lm_bits;
+
ANNOUNCE();
assert(sm);
assert(lm);
if (sm == lm) return 1;
+ sm_bits = get_mode_size_bits(sm);
+ lm_bits = get_mode_size_bits(lm);
+
switch(get_mode_sort(sm))
{
case irms_int_number:
* - both have the same sign and lm is the larger one
* - lm is the signed one and is at least two bits larger
* (one for the sign, one for the highest bit of sm)
+ * - sm & lm are two_complement and lm has greater or equal number of bits
*/
- if (mode_is_signed(sm))
+ if ( get_mode_arithmetic(sm) == get_mode_arithmetic(lm)
+ && get_mode_arithmetic(sm) == irma_twos_complement) {
+ return lm_bits >= sm_bits;
+ }
+ else if (mode_is_signed(sm))
{
- if ( mode_is_signed(lm) && (get_mode_size_bits(lm) > get_mode_size_bits(sm)) )
+ if ( mode_is_signed(lm) && (lm_bits >= sm_bits) )
return 1;
}
else if (mode_is_signed(lm))
{
- if (get_mode_size_bits(lm) > get_mode_size_bits(sm) + 1)
+ if (lm_bits > sm_bits + 1)
return 1;
}
- else if (get_mode_size_bits(lm) > get_mode_size_bits(sm))
+ else if (lm_bits >= sm_bits)
{
return 1;
}
break;
case irms_float_number:
- /* XXX currently only the three standard 32,64,80 bit floats
- * are supported which can safely be converted */
- if ( (get_mode_sort(lm) == irms_float_number)
- && (get_mode_size_bits(lm) > get_mode_size_bits(sm)) )
- return 1;
+ if (get_mode_arithmetic(sm) == get_mode_arithmetic(lm)) {
+ if ( (get_mode_sort(lm) == irms_float_number)
+ && (get_mode_size_bits(lm) >= get_mode_size_bits(sm)) )
+ return 1;
+ }
break;
case irms_reference:
return 0;
}
-/* ** initialization ** */
+/* initialization, build the default modes */
void
init_mode (void)
{
/* initialize predefined modes */
/* Internal Modes */
- newmode.arithmetic = irma_none;
- newmode.size = 0;
- newmode.align = 0;
- newmode.sign = 0;
- newmode.link = NULL;
- newmode.tv_priv = NULL;
+ newmode.arithmetic = irma_none;
+ newmode.size = 0;
+ newmode.sign = 0;
+ newmode.modulo_shift = 0;
+ newmode.vector_elem = 0;
+ newmode.link = NULL;
+ newmode.tv_priv = NULL;
/* Control Flow Modes*/
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);
/* Data Modes */
+ 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);
/* set the machine specific modes to the predifined ones */
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);
+
+ mode_T = NULL;
+ mode_X = NULL;
+ mode_M = NULL;
+ mode_BB = NULL;
+ mode_ANY = NULL;
+ mode_BAD = NULL;
+
+ mode_F = NULL;
+ mode_D = NULL;
+ mode_E = NULL;
+
+ mode_Bs = NULL;
+ mode_Bu = NULL;
+ mode_Hs = NULL;
+ mode_Hu = NULL;
+ mode_Is = NULL;
+ mode_Iu = NULL;
+ mode_Ls = NULL;
+ mode_Lu = NULL;
+
+ mode_C = NULL;
+ mode_U = NULL;
+ mode_b = NULL;
+ mode_P = NULL;
+
+ mode_P_mach = NULL;
+}
projects / libfirm / blobdiff