#endif
# include "irmode_t.h"
+# include "ident.h"
# include <malloc.h>
# include <stddef.h>
# include <string.h>
# include "tv.h"
+# include "array.h"
-ir_mode *mode_T;
-ir_mode *mode_f;
-ir_mode *mode_d;
-ir_mode *mode_c;
-ir_mode *mode_C;
-ir_mode *mode_h;
-ir_mode *mode_H;
-ir_mode *mode_i;
-ir_mode *mode_I;
-ir_mode *mode_l;
-ir_mode *mode_L;
-ir_mode *mode_B;
-ir_mode *mode_b;
-ir_mode *mode_p;
-ir_mode *mode_s;
-ir_mode *mode_S;
-ir_mode *mode_X;
-ir_mode *mode_M;
-ir_mode *mode_R;
-ir_mode *mode_Z;
+#if 0
+static long long count = 0;
+# define ANNOUNCE() printf(__FILE__": call no. %lld (%s)\n", count++, __FUNCTION__)
+#else
+# define ANNOUNCE() ((void)0)
+#endif
-void
-init_mode (void)
+/* * *
+ * local values
+ * * */
+
+
+/** dynamic array to hold all modes */
+static ir_mode * modes;
+/* dynamic arrays to hold special modes' values */
+static tarval** modes_min;
+static tarval** modes_max;
+static tarval** modes_null;
+static tarval** modes_one;
+
+/** number of defined modes */
+static int num_modes;
+
+/* * *
+ * local functions
+ * * */
+
+/**
+ * Compare modes that don't need to have their code field
+ * correctly set
+ */
+static int modes_are_equal(ir_mode *m, ir_mode *n)
{
- /* allocate all modes. We need to memset them as tarval_vrfy
- reads fields before they are initialized: It compares to
- min/max when tarvals for min/max are allocated! */
- mode_T = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_T, 0, sizeof(ir_mode));
- mode_f = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_f, 0, sizeof(ir_mode));
- mode_d = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_d, 0, sizeof(ir_mode));
- mode_c = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_c, 0, sizeof(ir_mode));
- mode_C = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_C, 0, sizeof(ir_mode));
- mode_h = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_h, 0, sizeof(ir_mode));
- mode_H = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_H, 0, sizeof(ir_mode));
- mode_i = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_i, 0, sizeof(ir_mode));
- mode_I = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_I, 0, sizeof(ir_mode));
- mode_l = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_l, 0, sizeof(ir_mode));
- mode_L = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_L, 0, sizeof(ir_mode));
- mode_B = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_B, 0, sizeof(ir_mode));
- mode_b = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_b, 0, sizeof(ir_mode));
- mode_p = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_p, 0, sizeof(ir_mode));
- mode_s = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_s, 0, sizeof(ir_mode));
- mode_S = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_S, 0, sizeof(ir_mode));
- mode_X = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_X, 0, sizeof(ir_mode));
- mode_M = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_M, 0, sizeof(ir_mode));
- mode_R = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_R, 0, sizeof(ir_mode));
- mode_Z = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_Z, 0, sizeof(ir_mode));
+ if (m == n) return 1;
+ if ( (m->sort == n->sort) && (m->size == n->size) &&
+ (m->align == n->align) && (m->sign == n->sign)
+ )
+ return 1;
- mode_T->code = irm_T;
- mode_f->code = irm_f;
- mode_d->code = irm_d;
- mode_c->code = irm_c;
- mode_C->code = irm_C;
- mode_h->code = irm_h;
- mode_H->code = irm_H;
- mode_i->code = irm_i;
- mode_I->code = irm_I;
- mode_l->code = irm_l;
- mode_L->code = irm_L;
- mode_B->code = irm_B;
- mode_b->code = irm_b;
- mode_p->code = irm_p;
- mode_s->code = irm_s;
- mode_S->code = irm_S;
- mode_X->code = irm_X;
- mode_M->code = irm_M;
- mode_R->code = irm_R;
- mode_Z->code = irm_Z;
+ return 0;
+}
- /* initialize all modes */
+/**
+ * searches the modes array for the given mode and returns
+ * a pointer on an equal mode already in the array, NULL if
+ * none found
+ */
+static ir_mode *find_mode(ir_mode *m)
+{
+ int i;
- mode_T->name = id_from_str ("T", 1);
- mode_T->fsigned = 0;
- mode_T->ffloat = 0;
+ for (i = 0; i < num_modes; i++)
+ {
+ if (modes_are_equal(m, &modes[i])) return &modes[i];
+ }
- /* float */
- mode_f->name = id_from_str ("f", 1);
- mode_f->fsigned = 1;
- mode_f->ffloat = 1;
- mode_f->ld_align = 4;
- mode_f->size = 4;
+ return NULL;
+}
- /* double */
- mode_d->name = id_from_str ("d", 1);
- mode_d->fsigned = 1;
- mode_d->ffloat = 1;
- mode_d->ld_align = 4;
- mode_d->size = 8;
-
- /* signed char */
- mode_c->name = id_from_str ("c", 1);
- mode_c->fsigned = 1;
- mode_c->ffloat = 0;
- mode_c->ld_align = 1;
- mode_c->size = 1;
- mode_c->min = tarval_from_long (mode_l, 0xffffff80);
- mode_c->max = tarval_from_long (mode_l, 0x0000007f);
- mode_c->null = tarval_from_long (mode_c, 0);
-
- /* unsigned char */
- mode_C->name = id_from_str ("C", 1);
- mode_C->fsigned = 0;
- mode_C->ffloat = 0;
- mode_C->ld_align = 1;
- mode_C->size = 1;
- mode_C->min = tarval_from_long (mode_L, 0x00000000);
- mode_C->max = tarval_from_long (mode_L, 0x000000ff);
- mode_C->null = tarval_from_long (mode_C, 0);
+/**
+ * sets special values of modes
+ */
+static void set_mode_values(ir_mode* mode)
+{
+ modes_min[get_mode_modecode(mode)] = get_tarval_min(mode);
+ modes_max[get_mode_modecode(mode)] = get_tarval_max(mode);
+ modes_null[get_mode_modecode(mode)] = get_tarval_null(mode);
+ modes_one[get_mode_modecode(mode)] = get_tarval_one(mode);
+}
+/* * *
+ * globals defined in irmode.h
+ * * */
- /* signed short integer */
- mode_h->name = id_from_str ("h", 1);
- mode_h->fsigned = 1;
- mode_h->ffloat = 0;
- mode_h->ld_align = 2;
- mode_h->size = 2;
- mode_h->min = tarval_from_long (mode_l, 0xffff8000);
- mode_h->max = tarval_from_long (mode_l, 0x00007fff);
- mode_h->null = tarval_from_long (mode_h, 0);
-
- /* unsigened short integer */
- mode_H->name = id_from_str ("H", 1);
- mode_H->fsigned = 0;
- mode_H->ffloat = 0;
- mode_H->ld_align = 2;
- mode_H->size = 2;
- mode_H->min = tarval_from_long (mode_L, 0x00000000);
- mode_H->max = tarval_from_long (mode_L, 0x0000ffff);
- mode_H->null = tarval_from_long (mode_H, 0);
+/* --- Predefined modes --- */
- /* signed integer */
- mode_i->name = id_from_str ("i", 1);
- mode_i->fsigned = 1;
- mode_i->ffloat = 0;
- mode_i->ld_align = 4;
- mode_i->size = 4;
- mode_i->min = tarval_from_long (mode_l, 0x80000000);
- mode_i->max = tarval_from_long (mode_l, 0x7fffffff);
- mode_i->null = tarval_from_long (mode_i, 0);
+/* FIRM internal modes: */
+ir_mode *mode_T;
+ir_mode *mode_X;
+ir_mode *mode_M;
+ir_mode *mode_BB;
+
+/* predefined numerical modes: */
+ir_mode *mode_F; /* float */
+ir_mode *mode_D; /* double */
+ir_mode *mode_E; /* long double */
+
+ir_mode *mode_Bs; /* integral values, signed and unsigned */
+ir_mode *mode_Bu; /* 8 bit */
+ir_mode *mode_Hs; /* 16 bit */
+ir_mode *mode_Hu;
+ir_mode *mode_Is; /* 32 bit */
+ir_mode *mode_Iu;
+ir_mode *mode_Ls; /* 64 bit */
+ir_mode *mode_Lu;
- /* unsigned integer */
- mode_I->name = id_from_str ("I", 1);
- mode_I->fsigned = 0;
- mode_I->ffloat = 0;
- mode_I->ld_align = 4;
- mode_I->size = 4;
- mode_I->min = tarval_from_long (mode_L, 0x00000000);
- mode_I->max = tarval_from_long (mode_L, 0xffffffff);
- mode_I->null = tarval_from_long (mode_I, 0);
+ir_mode *mode_C;
+ir_mode *mode_U;
+ir_mode *mode_b;
+ir_mode *mode_P;
+
+/* * *
+ * functions defined in irmode.h
+ * * */
+
+/* JNI access functions */
+INLINE ir_mode *get_modeT() { ANNOUNCE(); return mode_T; }
+INLINE ir_mode *get_modeF() { ANNOUNCE(); return mode_F; }
+INLINE ir_mode *get_modeD() { ANNOUNCE(); return mode_D; }
+INLINE ir_mode *get_modeE() { ANNOUNCE(); return mode_E; }
+INLINE ir_mode *get_modeBs() { ANNOUNCE(); return mode_Bs; }
+INLINE ir_mode *get_modeBu() { ANNOUNCE(); return mode_Bu; }
+INLINE ir_mode *get_modeHs() { ANNOUNCE(); return mode_Hs; }
+INLINE ir_mode *get_modeHu() { ANNOUNCE(); return mode_Hu; }
+INLINE ir_mode *get_modeIs() { ANNOUNCE(); return mode_Is; }
+INLINE ir_mode *get_modeIu() { ANNOUNCE(); return mode_Iu; }
+INLINE ir_mode *get_modeLs() { ANNOUNCE(); return mode_Ls; }
+INLINE ir_mode *get_modeLu() { ANNOUNCE(); return mode_Lu; }
+INLINE ir_mode *get_modeC() { ANNOUNCE(); return mode_C; }
+INLINE ir_mode *get_modeU() { ANNOUNCE(); return mode_U; }
+INLINE ir_mode *get_modeb() { ANNOUNCE(); return mode_b; }
+INLINE ir_mode *get_modeP() { ANNOUNCE(); return mode_P; }
+INLINE ir_mode *get_modeX() { ANNOUNCE(); return mode_X; }
+INLINE ir_mode *get_modeM() { ANNOUNCE(); return mode_M; }
+INLINE ir_mode *get_modeBB() { ANNOUNCE(); return mode_BB; }
+
+/**
+ * Registers a new mode if not defined yet, else returns
+ * the "equivalent" one.
+ */
+static ir_mode *register_mode(ir_mode* new_mode)
+{
+ ir_mode *mode;
+
+ ANNOUNCE();
+ assert(new_mode);
+
+ /* first check if there already is a matching mode */
+ mode = find_mode(new_mode);
+ if (mode) return mode;
+
+ /* sanity checks */
+ switch (new_mode->sort)
+ {
+ case irms_auxiliary:
+ case irms_internal_boolean:
+ assert(0 && "internal modes cannot be user defined");
+ return NULL;
+ break;
+
+ case irms_float_number:
+ assert(0 && "not yet implemented");
+ return NULL;
+ break;
+
+ case irms_int_number:
+ case irms_reference:
+ case irms_character:
+ break;
+
+ default:
+ assert(0 && "wrong mode sort");
+ return NULL;
+ }
- /* signed long integer */
- mode_l->name = id_from_str ("l", 1);
- mode_l->fsigned = 1;
- mode_l->ffloat = 0;
- mode_l->ld_align = 4;
- mode_l->size = 4;
- mode_l->min = tarval_from_long (mode_l, 0x80000000);
- mode_l->max = tarval_from_long (mode_l, 0x7fffffff);
- mode_I->null = tarval_from_long (mode_l, 0);
+ /* copy mode struct to modes array */
+ ARR_EXTEND(ir_mode, modes, 1);
+ ARR_EXTEND(tarval*, modes_min, 1);
+ ARR_EXTEND(tarval*, modes_max, 1);
+ ARR_EXTEND(tarval*, modes_null, 1);
+ ARR_EXTEND(tarval*, modes_one, 1);
+ mode = &modes[num_modes];
- /* unsigned long integer */
- mode_L->name = id_from_str ("L", 1);
- mode_L->fsigned = 0;
- mode_L->ffloat = 0;
- mode_L->ld_align = 4;
- mode_L->size = 4;
- mode_L->min = tarval_from_long (mode_L, 0x00000000);
- mode_L->max = tarval_from_long (mode_L, 0xffffffff);
- mode_L->null = tarval_from_long (mode_L, 0);
-
- /* universal bits */
- mode_B->name = id_from_str ("B", 1);
- mode_B->fsigned = 0;
- mode_B->ffloat = 0;
+ memcpy(mode, new_mode, sizeof(ir_mode));
+ mode->code = num_modes;
+ num_modes++;
- /* boolean */
- mode_b->name = id_from_str ("b", 1);
- mode_b->fsigned = 0;
- mode_b->ffloat = 0;
+ set_mode_values(mode);
- /* pointer */
- mode_p->name = id_from_str ("p", 1);
- mode_p->fsigned = 0;
- mode_p->ffloat = 0;
- mode_p->ld_align = 4;
- mode_p->size = 4;
- mode_p->min = tarval_from_long (mode_L, 0x00000000);
- mode_p->max = tarval_from_long (mode_L, 0xffffffff);
- mode_p->null = tarval_from_long (mode_p, 0);
-
- mode_s->name = id_from_str ("s", 1);
- mode_s->fsigned = 0;
- mode_s->ffloat = 0;
-
- mode_S->name = id_from_str ("S", 1);
- mode_S->fsigned = 0;
- mode_S->ffloat = 0;
-
- /* Execution */
- mode_X->name = id_from_str ("X", 1);
- mode_X->fsigned = 0;
- mode_X->ffloat = 0;
+ return mode;
+}
- /* Memory */
- mode_M->name = id_from_str ("M", 1);
- mode_M->fsigned = 0;
- mode_M->ffloat = 0;
+/*
+ * Creates a new mode.
+ */
+ir_mode *new_ir_mode(const char *name, mode_sort sort, int bit_size, int align, int sign)
+{
+ ir_mode mode_tmpl, *res;
- mode_R->name = id_from_str ("R", 1);
- mode_R->fsigned = 0;
- mode_R->ffloat = 0;
+ 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.tv_priv = NULL;
- mode_Z->name = id_from_str ("Z", 1);
- mode_Z->fsigned = 1;
- mode_Z->ffloat = 0;
+ return register_mode(&mode_tmpl);
}
/* Functions for the direct access to all attributes od a ir_mode */
-
modecode
-get_mode_modecode (ir_mode *mode)
+get_mode_modecode(ir_mode *mode)
{
+ ANNOUNCE();
return mode->code;
}
-/*
-INLINE void
-set_mode_modecode (ir_mode *mode, modecode code)
-{
- mode->code = code;
-}
-*/
-
ident *
-get_mode_ident (ir_mode *mode)
+get_mode_ident(ir_mode *mode)
{
+ ANNOUNCE();
return mode->name;
}
-/*
-INLINE void
-set_mode_ident (ir_mode *mode, ident *name)
+const char *
+get_mode_name(ir_mode *mode)
{
- mode->name = name;
+ ANNOUNCE();
+ return id_to_str(mode->name);
}
-*/
-INLINE const char *
-get_mode_name (ir_mode *mode) {
- assert(mode);
- return id_to_str(mode->name);
+mode_sort
+get_mode_sort(ir_mode* mode)
+{
+ ANNOUNCE();
+ return mode->sort;
}
-/* void set_mode_name (ir_mode *mode, char *name); */
-int
-get_mode_size (ir_mode *mode)
+INLINE int
+get_mode_size_bits(ir_mode *mode)
{
+ ANNOUNCE();
return mode->size;
}
-/*
-INLINE void
-set_mode_size (ir_mode *mode, int size)
-{
- mode->size = size;
+
+int get_mode_size_bytes(ir_mode *mode) {
+ ANNOUNCE();
+ int size = get_mode_size_bits(mode);
+ if ((size % 8) != 0) return -1;
+ return size / 8;
}
-*/
int
-get_mode_ld_align (ir_mode *mode)
+get_mode_align (ir_mode *mode)
{
- return mode->ld_align;
+ ANNOUNCE();
+ return mode->align;
}
-/*
-INLINE void
-set_mode_ld_align (ir_mode *mode, int ld_align)
+int
+get_mode_sign (ir_mode *mode)
{
- mode->ld_align = ld_align;
+ ANNOUNCE();
+ return mode->sign;
}
-*/
tarval *
get_mode_min (ir_mode *mode)
{
- return mode->min;
-}
+ ANNOUNCE();
+ assert(mode);
+ assert(get_mode_modecode(mode) < num_modes);
+ assert(mode_is_data(mode));
-/*
-INLINE void
-set_mode_min (ir_mode *mode, tarval *min)
-{
-mode->min = min;
+ return modes_min[get_mode_modecode(mode)];
}
-*/
tarval *
get_mode_max (ir_mode *mode)
{
- return mode->max;
-}
+ ANNOUNCE();
+ assert(mode);
+ assert(get_mode_modecode(mode) < num_modes);
+ assert(mode_is_data(mode));
-/*
-INLINE void
-set_mode_max (ir_mode *mode, tarval *max)
-{
- mode->max = max;
+ return modes_max[get_mode_modecode(mode)];
}
-*/
tarval *
get_mode_null (ir_mode *mode)
{
- return mode->null;
-}
+ ANNOUNCE();
+ assert(mode);
+ assert(get_mode_modecode(mode) < num_modes);
+ assert(mode_is_data(mode));
-/*
-INLINE void
-set_mode_null (ir_mode *mode, tarval *null)
-{
- mode->null = null;
+ return modes_null[get_mode_modecode(mode)];
}
-*/
-unsigned
-get_mode_fsigned (ir_mode *mode)
+tarval *
+get_mode_one (ir_mode *mode)
{
- return mode->fsigned;
-}
+ ANNOUNCE();
+ assert(mode);
+ assert(get_mode_modecode(mode) < num_modes);
+ assert(mode_is_data(mode));
-/*
-INLINE voida
-set_mode_fsigned (ir_mode *mode, unsigned fsigned)
-{
- mode->fsigned = fsigned;
+ return modes_one[get_mode_modecode(mode)];
}
-*/
-unsigned
-get_mode_ffloat (ir_mode *mode)
+tarval *
+get_mode_infinite(ir_mode *mode)
{
- return mode->ffloat;
+ ANNOUNCE();
+ assert(mode);
+ assert(get_mode_modecode(mode) < num_modes);
+ assert(mode_is_float(mode));
+
+ return get_tarval_inf(mode);
}
-/*
-INLINE void
-set_mode_ffloat (ir_mode *mode, unsigned ffloat)
+tarval *
+get_mode_NAN(ir_mode *mode)
{
- mode->ffloat = ffloat;
+ ANNOUNCE();
+ assert(mode);
+ assert(get_mode_modecode(mode) < num_modes);
+ assert(mode_is_float(mode));
+
+ return get_tarval_nan(mode);
}
-*/
/* Functions to check, whether a modecode is signed, float, int, num, data,
datab or dataM. For more exact definitions read the corresponding pages
The set of "float" is defined as:
---------------------------------
- float = {irm_f, irm_d}
+ float = {irm_F, irm_D, irm_E}
The set of "int" is defined as:
-------------------------------
- int = {irm_c, irm_C, irm_h, irm_H, irm_i, irm_I, irm_l, irm_L}
+ 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_c, irm_C, irm_h, irm_H,
- irm_i, irm_I, irm_l, irm_L}
+ 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_c, irm_C, irm_h, irm_H,
- irm_i, irm_I, irm_l, irm_L, irm_p}
- = {num || irm_p}
+ 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_c, irm_C, irm_h, irm_H,
- irm_i, irm_I, irm_l, irm_L, irm_p, irm_b, irm_B}
- = {data || irm_b || irm_B}
+ 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_c, irm_C, irm_h, irm_H, irm_i,
- irm_I, irm_l, irm_L, irm_p, irm_M}
+ 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_data
+# undef mode_is_datab
+# undef mode_is_dataM
+#endif
int
mode_is_signed (ir_mode *mode)
{
- int res;
- unsigned fsigned;
- fsigned = get_mode_fsigned (mode);
- if (fsigned == 1) {
- res = 1;
- }
- else {
- res = 0;
- }
- return res;
+ ANNOUNCE();
+ assert(mode);
+ return mode->sign;
}
int
mode_is_float (ir_mode *mode)
{
- int res;
- unsigned ffloat;
- ffloat = get_mode_ffloat (mode);
- if (ffloat == 1) {
- res = 1;
- }
- else {
- res = 0;
- }
- return res;
+ ANNOUNCE();
+ assert(mode);
+ return (get_mode_sort(mode) == irms_float_number);
}
-
int
mode_is_int (ir_mode *mode)
{
- int res;
- modecode code;
- code = get_mode_modecode (mode);
- if ((code >= irm_c) && (code <= irm_L)) {
- res = 1;
- }
- else {
- res = 0;
- }
- return res;
+ ANNOUNCE();
+ assert(mode);
+ return (get_mode_sort(mode) == irms_int_number);
}
-
int
mode_is_num (ir_mode *mode)
{
- int res;
- if (mode_is_int (mode) || mode_is_float (mode)) {
- res = 1;
- }
- else {
- res = 0;
- }
- return res;
+ ANNOUNCE();
+ assert(mode);
+ return (mode_is_int(mode) || mode_is_float(mode));
}
int
mode_is_data (ir_mode *mode)
{
- int res;
- modecode code;
- code = get_mode_modecode (mode);
- if (mode_is_num (mode) || code == irm_p) {
- res = 1;
- }
- else {
- res = 0;
- }
- return res;
+ ANNOUNCE();
+ assert(mode);
+ return (mode_is_num(mode) || get_mode_sort(mode) == irms_character || get_mode_sort(mode) == irms_reference);
}
int
mode_is_datab (ir_mode *mode)
{
- int res;
- modecode code;
- code = get_mode_modecode (mode);
- if (mode_is_data (mode) || code == irm_b || code == irm_B) {
- res = 1;
- }
- else {
- res = 0;
- }
- return res;
+ ANNOUNCE();
+ assert(mode);
+ return (mode_is_data(mode) || get_mode_sort(mode) == irms_internal_boolean);
}
int
mode_is_dataM (ir_mode *mode)
{
- int res;
- modecode code;
- code = get_mode_modecode (mode);
- if (mode_is_data (mode) || code == irm_M) {
- res = 1;
- }
- else {
- res = 0;
+ 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
+/* Returns true if sm can be converted to lm without loss. */
+int
+smaller_mode(ir_mode *sm, ir_mode *lm)
+{
+ ANNOUNCE();
+ assert(sm);
+ assert(lm);
+
+ if (sm == lm) return 1;
+
+ switch(get_mode_sort(sm))
+ {
+ case irms_int_number:
+ switch(get_mode_sort(lm))
+ {
+ case irms_int_number:
+ /* integers are convertable if
+ * - 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)
+ */
+ if (mode_is_signed(sm))
+ {
+ if ( mode_is_signed(lm) && (get_mode_size_bits(lm) > get_mode_size_bits(sm)) )
+ return 1;
+ }
+ else if (mode_is_signed(lm))
+ {
+ if (get_mode_size_bits(lm) > get_mode_size_bits(sm) + 1)
+ return 1;
+ }
+ else if (get_mode_size_bits(lm) > get_mode_size_bits(sm))
+ {
+ return 1;
+ }
+ break;
+
+ case irms_float_number:
+ /* int to float works if the float is large enough */
+ return 0;
+
+ default:
+ break;
+ }
+ 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;
+ break;
+
+ case irms_reference:
+ /* do exist machines out there with different pointer lenghts ?*/
+ return 0;
+
+ default:
+ break;
}
- return res;
+
+ /* else */
+ return 0;
}
-/* Returns true if sm can be converted to lm without loss. */
-bool
-smaller_mode(ir_mode *sm, ir_mode *lm) {
- if ((mode_is_int(sm) && mode_is_int(lm)) &&
- get_mode_modecode(sm) <= get_mode_modecode(lm))
- return true;
- if ((mode_is_float(sm) && mode_is_float(lm)) &&
- get_mode_modecode(sm) <= get_mode_modecode(lm))
- return true;
- return(false);
+/* ** initialization ** */
+void
+init_mode (void)
+{
+ ANNOUNCE();
+ /* init flexible array */
+ modes = NEW_ARR_F(ir_mode, irm_max);
+ modes_min = NEW_ARR_F(tarval*, irm_max);
+ modes_max = NEW_ARR_F(tarval*, irm_max);
+ modes_null = NEW_ARR_F(tarval*, irm_max);
+ modes_one = NEW_ARR_F(tarval*, irm_max);
+
+ /* initialize predefined modes */
+ /* Basic Block */
+ mode_BB = &modes[irm_BB];
+ mode_BB->name = id_from_str("BB", 2);
+ mode_BB->code = irm_BB;
+ mode_BB->sort = irms_auxiliary;
+ mode_BB->sign = 0;
+ mode_BB->tv_priv = NULL;
+
+ /* eXecution */
+ mode_X = &modes[irm_X];
+ mode_X->name = id_from_str("X", 1);
+ mode_X->code = irm_X;
+ mode_X->sort = irms_auxiliary;
+ mode_X->sign = 0;
+ mode_X->tv_priv = NULL;
+
+ /* Memory */
+ mode_M = &modes[irm_M];
+ mode_M->name = id_from_str("M", 1);
+ mode_M->code = irm_M;
+ mode_M->sort = irms_auxiliary;
+ mode_M->sign = 0;
+ mode_M->tv_priv = NULL;
+
+ /* Tuple */
+ mode_T = &modes[irm_T];
+ mode_T->name = id_from_str("T", 1);
+ mode_T->code = irm_T;
+ mode_T->sign = 0;
+ mode_T->tv_priv = NULL;
+
+ /* boolean */
+ mode_b = &modes[irm_b];
+ mode_b->name = id_from_str("b", 1);
+ mode_b->code = irm_b;
+ mode_b->sort = irms_internal_boolean;
+ mode_b->sign = 0;
+ mode_b->tv_priv = NULL;
+
+ /* float */
+ mode_F = &modes[irm_F];
+ mode_F->name = id_from_str("F", 1);
+ mode_F->code = irm_F;
+ mode_F->sort = irms_float_number;
+ mode_F->sign = 1;
+ mode_F->align = 32;
+ mode_F->size = 32;
+ mode_F->tv_priv = NULL;
+
+ set_mode_values(mode_F);
+
+ /* double */
+ mode_D = &modes[irm_D];
+ mode_D->name = id_from_str("D", 1);
+ mode_D->code = irm_D;
+ mode_D->sort = irms_float_number;
+ mode_D->sign = 1;
+ mode_D->align = 32;
+ mode_D->size = 64;
+ mode_D->tv_priv = NULL;
+
+ set_mode_values(mode_D);
+
+ /* extended */
+ mode_E = &modes[irm_E];
+ mode_E->name = id_from_str("E", 1);
+ mode_E->code = irm_E;
+ mode_E->sort = irms_float_number;
+ mode_E->sign = 1;
+ mode_E->align = 32;
+ mode_E->size = 80;
+ mode_E->tv_priv = NULL;
+
+ set_mode_values(mode_E);
+
+ /* signed byte */
+ mode_Bs = &modes[irm_Bs];
+ mode_Bs->name = id_from_str("Bs", 2);
+ mode_Bs->code = irm_Bs;
+ mode_Bs->sort = irms_int_number;
+ mode_Bs->sign = 1;
+ mode_Bs->align = 8;
+ mode_Bs->size = 8;
+ mode_Bs->tv_priv = NULL;
+
+ set_mode_values(mode_Bs);
+
+ /* unsigned byte */
+ mode_Bu = &modes[irm_Bu];
+ mode_Bu->name = id_from_str("Bu", 2);
+ mode_Bu->code = irm_Bu;
+ mode_Bu->sort = irms_int_number;
+ mode_Bu->sign = 0;
+ mode_Bu->align = 8;
+ mode_Bu->size = 8;
+ mode_Bu->tv_priv = NULL;
+
+ set_mode_values(mode_Bu);
+
+ /* signed short integer */
+ mode_Hs = &modes[irm_Hs];
+ mode_Hs->name = id_from_str("Hs", 2);
+ mode_Hs->code = irm_Hs;
+ mode_Hs->sort = irms_int_number;
+ mode_Hs->sign = 1;
+ mode_Hs->align = 16;
+ mode_Hs->size = 16;
+ mode_Hs->tv_priv = NULL;
+
+ set_mode_values(mode_Hs);
+
+ /* unsigned short integer */
+ mode_Hu = &modes[irm_Hu];
+ mode_Hu->name = id_from_str("Hu", 2);
+ mode_Hu->code = irm_Hu;
+ mode_Hu->sort = irms_int_number;
+ mode_Hu->sign = 0;
+ mode_Hu->align = 16;
+ mode_Hu->size = 16;
+ mode_Hu->tv_priv = NULL;
+
+ set_mode_values(mode_Hu);
+
+ /* signed integer */
+ mode_Is = &modes[irm_Is];
+ mode_Is->name = id_from_str("Is", 2);
+ mode_Is->code = irm_Is;
+ mode_Is->sort = irms_int_number;
+ mode_Is->sign = 1;
+ mode_Is->align = 32;
+ mode_Is->size = 32;
+ mode_Is->tv_priv = NULL;
+
+ set_mode_values(mode_Is);
+
+ /* unsigned integer */
+ mode_Iu = &modes[irm_Iu];
+ mode_Iu->name = id_from_str("Iu", 2);
+ mode_Iu->code = irm_Iu;
+ mode_Iu->sort = irms_int_number;
+ mode_Iu->sign = 0;
+ mode_Iu->align = 32;
+ mode_Iu->size = 32;
+ mode_Iu->tv_priv = NULL;
+
+ set_mode_values(mode_Iu);
+
+ /* signed long integer */
+ mode_Ls = &modes[irm_Ls];
+ mode_Ls->name = id_from_str("Ls", 2);
+ mode_Ls->code = irm_Ls;
+ mode_Ls->sort = irms_int_number;
+ mode_Ls->sign = 1;
+ mode_Ls->align = 32;
+ mode_Ls->size = 64;
+ mode_Ls->tv_priv = NULL;
+
+ set_mode_values(mode_Ls);
+
+ /* unsigned long integer */
+ mode_Lu = &modes[irm_Lu];
+ mode_Lu->name = id_from_str("Lu", 2);
+ mode_Lu->code = irm_Lu;
+ mode_Lu->sort = irms_int_number;
+ mode_Lu->sign = 0;
+ mode_Lu->align = 32;
+ mode_Lu->size = 64;
+ mode_Lu->tv_priv = NULL;
+
+ set_mode_values(mode_Lu);
+
+ /* Character */
+ mode_C = &modes[irm_C];
+ mode_C->name = id_from_str("C", 1);
+ mode_C->code = irm_C;
+ mode_C->sort = irms_character;
+ mode_C->sign = 0;
+ mode_C->align = 8;
+ mode_C->size = 8;
+ mode_C->tv_priv = NULL;
+
+ set_mode_values(mode_C);
+
+ /* Unicode character */
+ mode_U = &modes[irm_U];
+ mode_U->name = id_from_str("U", 1);
+ mode_U->code = irm_U;
+ mode_U->sort = irms_character;
+ mode_U->sign = 0;
+ mode_U->align = 16;
+ mode_U->size = 16;
+ mode_U->tv_priv = NULL;
+
+ set_mode_values(mode_U);
+
+ /* pointer */
+ mode_P = &modes[irm_P];
+ mode_P->name = id_from_str("P", 1);
+ mode_P->code = irm_P;
+ mode_P->sort = irms_reference;
+ mode_P->sign = 0;
+ mode_P->align = 32;
+ mode_P->size = 32;
+ mode_P->tv_priv = NULL;
+
+ num_modes = irm_max;
}