/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-* All rights reserved.
-*
-* Authors: Martin Trapp, Christian Schaefer
-*
+** All rights reserved.
+**
+** Authors: Martin Trapp, Christian Schaefer
+**
*/
/* $Id$ */
#endif
# include "irmode_t.h"
-# include <stdlib.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_E;
-ir_mode *mode_Bs;
-ir_mode *mode_Bu;
-ir_mode *mode_Hs;
-ir_mode *mode_Hu;
-ir_mode *mode_Is;
-ir_mode *mode_Iu;
-ir_mode *mode_Ls;
-ir_mode *mode_Lu;
-ir_mode *mode_C;
-ir_mode *mode_U;
-ir_mode *mode_b;
-ir_mode *mode_P;
-ir_mode *mode_X;
-ir_mode *mode_M;
-ir_mode *mode_BB;
+#if 0
+# define ANNOUNCE() printf(__FILE__": call no. %lld (%s)\n", count++, __FUNCTION__)
+#else
+# define ANNOUNCE() ((void)0)
+#endif
-INLINE ir_mode *get_modeT() { return mode_T; }
-INLINE ir_mode *get_modeF() { return mode_F; }
-INLINE ir_mode *get_modeD() { return mode_D; }
-INLINE ir_mode *get_modeE() { return mode_E; }
-INLINE ir_mode *get_modeBs() { return mode_Bs; }
-INLINE ir_mode *get_modeBu() { return mode_Bu; }
-INLINE ir_mode *get_modeHs() { return mode_Hs; }
-INLINE ir_mode *get_modeHu() { return mode_Hu; }
-INLINE ir_mode *get_modeIs() { return mode_Is; }
-INLINE ir_mode *get_modeIu() { return mode_Iu; }
-INLINE ir_mode *get_modeLs() { return mode_Ls; }
-INLINE ir_mode *get_modeLu() { return mode_Lu; }
-INLINE ir_mode *get_modeC() { return mode_C; }
-INLINE ir_mode *get_modeU() { return mode_U; }
-INLINE ir_mode *get_modeb() { return mode_b; }
-INLINE ir_mode *get_modeP() { return mode_P; }
-INLINE ir_mode *get_modeX() { return mode_X; }
-INLINE ir_mode *get_modeM() { return mode_M; }
-INLINE ir_mode *get_modeBB() { return mode_BB; }
+/* * *
+ * local values
+ * * */
-void
-init_mode (void)
-{
- /* 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_E = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_E, 0, sizeof(ir_mode));
- mode_Bs = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_Bs, 0, sizeof(ir_mode));
- mode_Bu = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_Bu, 0, sizeof(ir_mode));
- mode_Hs = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_Hs, 0, sizeof(ir_mode));
- mode_Hu = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_Hu, 0, sizeof(ir_mode));
- mode_Is = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_Is, 0, sizeof(ir_mode));
- mode_Iu = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_Iu, 0, sizeof(ir_mode));
- mode_Ls = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_Ls, 0, sizeof(ir_mode));
- mode_Lu = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_Lu, 0, sizeof(ir_mode));
- mode_C = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_C, 0, sizeof(ir_mode));
- mode_U = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_U, 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_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_BB = (ir_mode *) malloc (sizeof (ir_mode)); memset(mode_BB, 0, sizeof(ir_mode));
+static long long count = 0;
- mode_T->code = irm_T;
- mode_F->code = irm_F;
- mode_D->code = irm_D;
- mode_E->code = irm_E;
- mode_Bs->code = irm_Bs;
- mode_Bu->code = irm_Bu;
- mode_Hs->code = irm_Hs;
- mode_Hu->code = irm_Hu;
- mode_Is->code = irm_Is;
- mode_Iu->code = irm_Iu;
- mode_Ls->code = irm_Ls;
- mode_Lu->code = irm_Lu;
- mode_C->code = irm_C;
- mode_U->code = irm_U;
- mode_b->code = irm_b;
- mode_P->code = irm_P;
- mode_X->code = irm_X;
- mode_M->code = irm_M;
- mode_BB->code = irm_BB;
+/* 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;
- /* initialize all modes */
+/* number of defined modes */
+static int num_modes;
- mode_T->name = id_from_str ("T", 1);
- mode_T->fsigned = 0;
- mode_T->ffloat = 0;
+/* * *
+ * local functions
+ * * */
- /* 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;
+/* compare modes that don't need to have their code field
+ * correctly set */
+static int modes_are_equal(ir_mode *m, ir_mode *n)
+{
+ if (m == n) return 1;
+ if ( (m->sort == n->sort) && (m->size == n->size) &&
+ (m->align == n->align) && (m->sign == n->sign) &&
+ (m->name == n->name) )
+ return 1;
- /* 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;
+ return 0;
+}
- /* extended */
- mode_E->name = id_from_str ("E", 1);
- mode_E->fsigned = 1;
- mode_E->ffloat = 1;
- mode_E->ld_align = 4;
- mode_E->size = 12;
+/* 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;
- /* signed byte */
- mode_Bs->name = id_from_str ("Bs", 1);
- mode_Bs->fsigned = 1;
- mode_Bs->ffloat = 0;
- mode_Bs->ld_align = 1;
- mode_Bs->size = 1;
- mode_Bs->min = tarval_from_long (mode_Ls, 0xffffff80);
- mode_Bs->max = tarval_from_long (mode_Ls, 0x0000007f);
- mode_Bs->null = tarval_from_long (mode_Bs, 0);
+ for (i = 0; i < num_modes; i++)
+ {
+ if (modes_are_equal(m, &modes[i])) return &modes[i];
+ }
- /* unsigned byte */
- mode_Bu->name = id_from_str ("Bu", 1);
- mode_Bu->fsigned = 0;
- mode_Bu->ffloat = 0;
- mode_Bu->ld_align = 1;
- mode_Bu->size = 1;
- mode_Bu->min = tarval_from_long (mode_Lu, 0x00000000);
- mode_Bu->max = tarval_from_long (mode_Lu, 0x000000ff);
- mode_Bu->null = tarval_from_long (mode_Bu, 0);
+ return NULL;
+}
- /* signed short integer */
- mode_Hs->name = id_from_str ("Hs", 1);
- mode_Hs->fsigned = 1;
- mode_Hs->ffloat = 0;
- mode_Hs->ld_align = 2;
- mode_Hs->size = 2;
- mode_Hs->min = tarval_from_long (mode_Ls, 0xffff8000);
- mode_Hs->max = tarval_from_long (mode_Ls, 0x00007fff);
- mode_Hs->null = tarval_from_long (mode_Hs, 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
+ * * */
- /* unsigned short integer */
- mode_Hu->name = id_from_str ("Hu", 1);
- mode_Hu->fsigned = 0;
- mode_Hu->ffloat = 0;
- mode_Hu->ld_align = 2;
- mode_Hu->size = 2;
- mode_Hu->min = tarval_from_long (mode_Lu, 0x00000000);
- mode_Hu->max = tarval_from_long (mode_Lu, 0x0000ffff);
- mode_Hu->null = tarval_from_long (mode_Hu, 0);
+/** Predefined modes **/
- /* signed integer */
- mode_Is->name = id_from_str ("Is", 1);
- mode_Is->fsigned = 1;
- mode_Is->ffloat = 0;
- mode_Is->ld_align = 4;
- mode_Is->size = 4;
- mode_Is->min = tarval_from_long (mode_Ls, 0x80000000);
- mode_Is->max = tarval_from_long (mode_Ls, 0x7fffffff);
- mode_Is->null = tarval_from_long (mode_Is, 0);
+/* FIRM internal modes: */
+ir_mode *mode_T;
+ir_mode *mode_X;
+ir_mode *mode_M;
+ir_mode *mode_BB;
- /* unsigned integer */
- mode_Iu->name = id_from_str ("Iu", 1);
- mode_Iu->fsigned = 0;
- mode_Iu->ffloat = 0;
- mode_Iu->ld_align = 4;
- mode_Iu->size = 4;
- mode_Iu->min = tarval_from_long (mode_Lu, 0x00000000);
- mode_Iu->max = tarval_from_long (mode_Lu, 0xffffffff);
- mode_Iu->null = tarval_from_long (mode_Iu, 0);
+/* predefined numerical modes: */
+ir_mode *mode_F; /* float */
+ir_mode *mode_D; /* double */
+ir_mode *mode_E; /* long double */
- /* signed long integer */
- mode_Ls->name = id_from_str ("Ls", 1);
- mode_Ls->fsigned = 1;
- mode_Ls->ffloat = 0;
- mode_Ls->ld_align = 8;
- mode_Ls->size = 8;
- mode_Ls->min = tarval_from_long (mode_Ls, 0x80000000);
- mode_Ls->max = tarval_from_long (mode_Ls, 0x7fffffff);
- mode_Ls->null = tarval_from_long (mode_Ls, 0);
+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 long integer */
- mode_Lu->name = id_from_str ("Lu", 1);
- mode_Lu->fsigned = 0;
- mode_Lu->ffloat = 0;
- mode_Lu->ld_align = 8;
- mode_Lu->size = 8;
- mode_Lu->min = tarval_from_long (mode_Lu, 0x00000000);
- mode_Lu->max = tarval_from_long (mode_Lu, 0xffffffff);
- mode_Lu->null = tarval_from_long (mode_Lu, 0);
-
- /* character */
- 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_Ls, 0xffffff80);
- mode_C->max = tarval_from_long (mode_Ls, 0x0000007f);
- mode_C->null = tarval_from_long (mode_C, 0);
-
- /* unicode character */
- mode_U->name = id_from_str ("U", 1);
- mode_U->fsigned = 0;
- mode_U->ffloat = 0;
- mode_U->ld_align = 1;
- mode_U->size = 2;
- mode_U->min = tarval_from_long (mode_Ls, 0xffff8000);
- mode_U->max = tarval_from_long (mode_Ls, 0x00007fff);
- mode_U->null = tarval_from_long (mode_U, 0);
+ir_mode *mode_C;
+ir_mode *mode_U;
+ir_mode *mode_b;
+ir_mode *mode_P;
- /* boolean */
- mode_b->name = id_from_str ("b", 1);
- mode_b->fsigned = 0;
- mode_b->ffloat = 0;
+/* * *
+ * 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; }
+
+/* ** Constructor ** */
+ir_mode *
+mode_register(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 auxiliary:
+ case internal_boolean:
+ assert(0 && "internal modes cannot be user defined");
+ break;
+
+ case float_number:
+ assert(0 && "not yet implemented");
+ break;
+
+ case int_number:
+ case reference:
+ case character:
+ break;
+
+ default:
+ assert(0);
+ }
- /* 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_Lu, 0x00000000);
- mode_P->max = tarval_from_long (mode_Lu, 0xffffffff);
- mode_P->null = tarval_from_long (mode_P, 0);
-
- /* Execution */
- mode_X->name = id_from_str ("X", 1);
- mode_X->fsigned = 0;
- mode_X->ffloat = 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];
- /* Memory */
- mode_M->name = id_from_str ("M", 1);
- mode_M->fsigned = 0;
- mode_M->ffloat = 0;
+ memcpy(mode, new_mode, sizeof(ir_mode));
+ mode->code = num_modes;
+ num_modes++;
+
+ set_mode_values(mode);
- mode_BB->name = id_from_str ("BB", 1);
- mode_BB->fsigned = 0;
- mode_BB->ffloat = 0;
+ return mode;
}
/* Functions for the direct access to all attributes od a ir_mode */
-
+#ifdef MODE_ACCESS_DEFINES
+# undef get_mode_modecode
+# undef get_mode_ident
+# undef get_mode_name
+# undef get_mode_sort
+# undef get_mode_size
+# undef get_mode_align
+#endif
modecode
-get_mode_modecode (ir_mode *mode)
+get_mode_modecode(ir_mode *mode)
{
- assert(mode && "no mode given");
+ 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)
{
- assert(mode && "no mode given");
+ 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)
+get_mode_size(ir_mode *mode)
{
- assert(mode && "no mode given");
+ ANNOUNCE();
return mode->size;
}
-/*
-INLINE void
-set_mode_size (ir_mode *mode, int size)
-{
- mode->size = size;
-}
-*/
int
-get_mode_ld_align (ir_mode *mode)
+get_mode_align (ir_mode *mode)
{
- assert(mode && "no mode given");
- return mode->ld_align;
+ ANNOUNCE();
+ return mode->align;
}
-
-/*
-INLINE void
-set_mode_ld_align (ir_mode *mode, int ld_align)
+#ifdef MODE_ACCESS_DEFINES
+# define get_mode_modecode(mode) (mode)->code
+# define get_mode_ident(mode) (mode)->name
+# define get_mode_name(mode) id_to_str((mode)->name)
+# define get_mode_sort(mode) (mode)->sort
+# define get_mode_size(mode) (mode)->size
+# define get_mode_align(mode) (mode)->align
+#endif
+int
+get_mode_sign (ir_mode *mode)
{
- mode->ld_align = ld_align;
+ ANNOUNCE();
+ return mode->sign;
}
-*/
tarval *
get_mode_min (ir_mode *mode)
{
- assert(mode && "no mode given");
- 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)
{
- assert(mode && "no mode given");
- 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)
{
- assert(mode && "no mode given");
- 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)
{
- assert(mode && "no mode given");
- 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)
{
- assert(mode && "no mode given");
- 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 "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_P}
+ 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:
---------------------------------
= {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;
-
- assert(mode && "no mode given");
- fsigned = get_mode_fsigned (mode);
- if (fsigned == 1) {
- res = 1;
- }
- else {
- res = 0;
- }
- return res;
+ ANNOUNCE();
+ assert(mode);
+ return mode->sign;
}
-INLINE int
+int
mode_is_float (ir_mode *mode)
{
- int res;
- unsigned ffloat;
-
- assert(mode && "no mode given");
- ffloat = get_mode_ffloat (mode);
- if (ffloat == 1) {
- res = 1;
- }
- else {
- res = 0;
- }
- return res;
+ ANNOUNCE();
+ assert(mode);
+ return (get_mode_sort(mode) == float_number);
}
-
-INLINE int
+int
mode_is_int (ir_mode *mode)
{
- int res;
- modecode code;
-
- assert(mode && "no mode given");
- code = get_mode_modecode (mode);
- if ((code >= irm_Bs) && (code <= irm_Lu)) {
- res = 1;
- }
- else {
- res = 0;
- }
- return res;
+ ANNOUNCE();
+ assert(mode);
+ return (get_mode_sort(mode) == int_number);
}
-
-INLINE int
+int
mode_is_num (ir_mode *mode)
{
- int res;
-
- assert(mode && "no mode given");
- 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));
}
-INLINE int
+int
mode_is_data (ir_mode *mode)
{
- int res;
- modecode code;
-
- assert(mode && "no mode given");
- code = get_mode_modecode (mode);
- if (mode_is_num (mode) ||
- code == irm_C || code == irm_U || code == irm_P) {
- res = 1;
- }
- else {
- res = 0;
- }
- return res;
+ ANNOUNCE();
+ assert(mode);
+ return (mode_is_num(mode) || get_mode_sort(mode) == character || get_mode_sort(mode) == reference);
}
int
mode_is_datab (ir_mode *mode)
{
- int res;
- modecode code;
-
- assert(mode && "no mode given");
- code = get_mode_modecode (mode);
- if (mode_is_data (mode) || code == irm_b ) {
- res = 1;
- }
- else {
- res = 0;
- }
- return res;
+ ANNOUNCE();
+ assert(mode);
+ return (mode_is_data(mode) || get_mode_sort(mode) == internal_boolean);
}
int
mode_is_dataM (ir_mode *mode)
{
- int res;
- modecode code;
-
- assert(mode && "no mode given");
- code = get_mode_modecode (mode);
- if (mode_is_data (mode) || code == irm_M) {
- res = 1;
- }
- else {
- res = 0;
- }
- return res;
+ 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 == float_number)
+# define mode_is_int(mode) ((mode)->sort == int_number)
+# define mode_is_num(mode) (((mode)->sort == float_number) || ((mode)->sort == int_number))
+# define mode_is_data(mode) (((mode)->sort == float_number) || ((mode)->sort == int_number) || ((mode)->sort == character) || ((mode)->sort == reference))
+# define mode_is_datab(mode) (((mode)->sort == float_number) || ((mode)->sort == int_number) || ((mode)->sort == character) || ((mode)->sort == reference) || ((mode)->sort == internal_boolean))
+# define mode_is_dataM(mode) (((mode)->sort == float_number) || ((mode)->sort == int_number) || ((mode)->sort == character) || ((mode)->sort == reference) || ((mode)->code == irm_M))
+#endif
/* 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);
+smaller_mode(ir_mode *sm, ir_mode *lm)
+{
+ ANNOUNCE();
+ assert(sm);
+ assert(lm);
+
+ if (sm == lm) return 1;
+
+ switch(get_mode_sort(sm))
+ {
+ case int_number:
+ switch(get_mode_sort(lm))
+ {
+ case 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(lm) > get_mode_size(sm)) )
+ return 1;
+ }
+ else if (mode_is_signed(lm))
+ {
+ if (get_mode_size(lm) > get_mode_size(sm) + 1)
+ return 1;
+ }
+ else if (get_mode_size(lm) > get_mode_size(sm))
+ {
+ return 1;
+ }
+ break;
+
+ case float_number:
+ /* int to float works if the float is large enough */
+ return 0;
+
+ default:
+ break;
+ }
+ break;
+
+ case 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) == float_number)
+ && (get_mode_size(lm) > get_mode_size(sm)) )
+ return 1;
+ break;
+
+ case reference:
+ /* do exist machines out there with different pointer lenghts ?*/
+ return 0;
+
+ default:
+ break;
+ }
+
+ /* else */
+ return 0;
+}
+
+/** ** 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 = auxiliary;
+ mode_BB->sign = 0;
+
+ /* eXecution */
+ mode_X = &modes[irm_X];
+ mode_X->name = id_from_str("X", 1);
+ mode_X->code = irm_X;
+ mode_X->sort = auxiliary;
+ mode_X->sign = 0;
+
+ /* Memory */
+ mode_M = &modes[irm_M];
+ mode_M->name = id_from_str("M", 1);
+ mode_M->code = irm_M;
+ mode_M->sort = auxiliary;
+ mode_M->sign = 0;
+
+ /* Tuple */
+ mode_T = &modes[irm_T];
+ mode_T->name = id_from_str("T", 1);
+ mode_T->code = irm_T;
+ mode_T->sign = 0;
+
+ /* boolean */
+ mode_b = &modes[irm_b];
+ mode_b->name = id_from_str("b", 1);
+ mode_b->code = irm_b;
+ mode_b->sort = internal_boolean;
+ mode_b->sign = 0;
+
+ /* float */
+ mode_F = &modes[irm_F];
+ mode_F->name = id_from_str("F", 1);
+ mode_F->code = irm_F;
+ mode_F->sort = float_number;
+ mode_F->sign = 1;
+ mode_F->align = 32;
+ mode_F->size = 32;
+
+ 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 = float_number;
+ mode_D->sign = 1;
+ mode_D->align = 32;
+ mode_D->size = 64;
+
+ 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 = float_number;
+ mode_E->sign = 1;
+ mode_E->align = 32;
+ mode_E->size = 80;
+
+ 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 = int_number;
+ mode_Bs->sign = 1;
+ mode_Bs->align = 8;
+ mode_Bs->size = 8;
+
+ 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 = int_number;
+ mode_Bu->sign = 0;
+ mode_Bu->align = 8;
+ mode_Bu->size = 8;
+
+ 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 = int_number;
+ mode_Hs->sign = 1;
+ mode_Hs->align = 16;
+ mode_Hs->size = 16;
+
+ 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 = int_number;
+ mode_Hu->sign = 0;
+ mode_Hu->align = 16;
+ mode_Hu->size = 16;
+
+ 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 = int_number;
+ mode_Is->sign = 1;
+ mode_Is->align = 32;
+ mode_Is->size = 32;
+
+ 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 = int_number;
+ mode_Iu->sign = 0;
+ mode_Iu->align = 32;
+ mode_Iu->size = 32;
+
+ 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 = int_number;
+ mode_Ls->sign = 1;
+ mode_Ls->align = 32;
+ mode_Ls->size = 64;
+
+ 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 = int_number;
+ mode_Lu->sign = 0;
+ mode_Lu->align = 32;
+ mode_Lu->size = 64;
+
+ 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 = character;
+ mode_C->sign = 0;
+ mode_C->align = 8;
+ mode_C->size = 8;
+
+ 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 = character;
+ mode_U->sign = 0;
+ mode_U->align = 16;
+ mode_U->size = 16;
+
+ 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 = reference;
+ mode_P->sign = 0;
+ mode_P->align = 32;
+ mode_P->size = 32;
+
+ num_modes = irm_max;
}
/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-* All rights reserved.
-*/
+ * All rights reserved.
+ */
+/* $Id$ */
-/**
- * @file irmode.h
+/****h* libfirm/irmode
*
- * Modes for ir operators.
+ * NAME
+ * irmode -- Modes for ir operators
*
- * @author Christian Schaefer
+ * AUTHORS
+ * Christian Schaefer
+ * Matthias Heil
*
- * This module specifies the modes that type the firm nodes. See
- * UKA tech report 1999-14 for more information about modes.
+ * DESCRIPTION
+ * This module specifies the modes that type the firm nodes.
*
- * @todo
- * This file is at the level of the original fiasco. It needs to be ported
- * to the version of the tech report!!! This will be done with the
- * reimplementation of the tarval module.
- */
-
-/* $Id$ */
-
+ * SEE ALSO
+ * UKA tech report 1999-44 for more information about modes.
+ *
+ ******/
# ifndef _IRMODE_H_
# define _IRMODE_H_
#include "ident.h"
#include <stdbool.h>
-# define target_bits 8
-
-# define NUM_MODES 20
-
#ifndef _TARVAL_TYPEDEF_
#define _TARVAL_TYPEDEF_
-typedef struct tarval tarval;
+ typedef struct tarval tarval;
#endif
+/****s* tv/ir_mode
+ *
+ * NAME
+ * ir_mode
+ * Contains relevant information about a mode
+ *
+ * DESCRIPTION
+ * Neccessary information about a mode is stored in this struct
+ * which is used by the tarval modul to perform calculations
+ * and comparisons of values of a such described mode
+ *
+ * ATTRIBUTES
+ * modecode code: An unambigous int for the mode
+ * ident *name: Name of this mode
+ * mode_sort sort: sort of mode specifying possible usage kategories
+ * int size: size of the mode in Bits.
+ * int align: byte alignment
+ * unsigned sign:1: signedness of this mode
+ * ... more to come
+ *
+ * SEE ALSO
+ * The tech report 1999-44 describing FIRM and predefined modes
+ * tarval.h
+ ******/
+
+typedef struct ir_mode ir_mode;
+
+/** ********** Predefined modes ********** **/
+
/**
* according to tech report 1999-14:
*/
irm_max /**< maximum value for modecode */
} modecode;
-typedef struct ir_mode ir_mode;
+/** These values represent the different arithmetics used to
+ * manipulate values */
+typedef enum {
+ /** Predefined sorts of modes **/
+ auxiliary, /* Only for Firm use, predefined. */
+ internal_boolean, /* Internal boolean representation.
+ Storing to memory impossible, convert first. */
+ /** user-extensible sorts of modes **/
+ int_number, /* A mode to represent int numbers.
+ Integer computations can be performed. */
+ float_number, /* A mode to represent float numbers.
+ Floating point computations can be performed. */
+ reference, /* A mode to represent entities.
+ Restricted int computations can be performed */
+ character, /* A mode to represent characters/symbols
+ ?? Are computations allowed? as int?? */
+} mode_sort;
+
+/** ********** Constructor for user defined modes **************** **/
+/**
+ * register_mode(mode* new_mode)
+ *
+ * Registers a new mode.
+ * Must be called BEFORE init_mode2() !!!
+ *
+ * The information for new mode is retrieved from the mode
+ * struct passed as parameter, the code field is ignored.
+ * The struct is copied into the internal mode array and the code
+ * field will be set to a unique integer.
+ * Also, special value tarvals will be calculated such as null,
+ * min, max and can be retrieved using the get_mode_* fuctions
+ *
+ * If a mode with the given characteristics already exists,
+ * it will be returned instead of creating a new one.
+ *
+ * The passed struct can be safely deallocated after the function
+ * returns.
+ * To access the new mode the returned mode pointer must be used!
+ */
+ir_mode *register_mode(ir_mode* new_mode);
-extern ir_mode *mode_T; /**< tuple (none) */
-extern ir_mode *mode_F; /**< signed float(32) */
-extern ir_mode *mode_D; /**< signed double(64) */
-extern ir_mode *mode_E; /**< signed extended(80) */
-extern ir_mode *mode_Bs; /**< signed byte (former char) */
-extern ir_mode *mode_Bu; /**< unsigned byte (former char) */
-extern ir_mode *mode_Hs; /**< signed short integer */
-extern ir_mode *mode_Hu; /**< unsigened short integer */
-extern ir_mode *mode_Is; /**< signed integer */
-extern ir_mode *mode_Iu; /**< unsigned integer */
-extern ir_mode *mode_Ls; /**< signed long integer */
-extern ir_mode *mode_Lu; /**< unsigned long integer */
-extern ir_mode *mode_C; /**< char */
-extern ir_mode *mode_U; /**< unicode char */
-extern ir_mode *mode_P; /**< pointer */
-extern ir_mode *mode_b; /**< internal boolean */
-extern ir_mode *mode_X; /**< execution */
-extern ir_mode *mode_M; /**< memory */
-extern ir_mode *mode_BB; /**< block */
+/** ********** Access methods to read mode information *********** **/
+
+#ifdef MODE_ACCESS_DEFINES
+# include "irmode_t.h"
+# define get_mode_modecode(mode) (mode)->code
+# define get_mode_ident(mode) (mode)->name
+# define get_mode_name(mode) id_to_str((mode)->name)
+# define get_mode_sort(mode) (mode)->sort
+# define get_mode_size(mode) (mode)->size
+# define get_mode_align(mode) (mode)->align
+#else
+/* The classification of the mode */
+modecode get_mode_modecode(ir_mode *mode);
+
+/* The ident* name of the mode */
+ident *get_mode_ident(ir_mode *mode);
+
+/* The null-terminated name of this mode */
+const char *get_mode_name(ir_mode *mode);
+
+/* A coarse classification of the mode */
+mode_sort get_mode_sort(ir_mode *mode);
+
+/* The size of values of the mode in bits. */
+int get_mode_size(ir_mode *mode);
+
+/* The alignment of values of the mode in bytes. */
+int get_mode_align(ir_mode *mode);
+#endif
+
+/* The smallest representable value. For modes of the
+ * sort float_number this is the most negative value
+ * bigger than -infinit */
+tarval *get_mode_min(ir_mode *mode);
+
+/* The biggest representable value. For modes of the
+ * sort float_number this is the largest value lower
+ * than infinit */
+tarval *get_mode_max(ir_mode *mode);
+
+/* The value Zero represented in this mode
+ Zero is the additive neutral element and as such
+ is defined only for modes allowing addition, i.e.
+ floats and ints, and references (NULL-Pointer)
+ else returns tarval_bad */
+tarval *get_mode_null(ir_mode *mode);
+
+/* The value One, represented in this mode
+ * One, being the multiplicative neutral element,
+ * is defined only for modes allowing multiplication,
+ * i.e. ints and floats */
+tarval *get_mode_one(ir_mode *mode);
+
+/* This is only valid for float_numbers, other modes
+ * will result in tarval_bad */
+tarval *get_mode_infinit(ir_mode *mode);
+
+/* This is only valid for float_numbers, other modes
+ * will result in tarval_bad */
+tarval *get_mode_nan(ir_mode *mode);
+
+
+/** Auxiliary modes necessary for the Firm representation **/
+extern ir_mode *mode_T; /* tuple (none) */
+extern ir_mode *mode_X; /* execution */
+extern ir_mode *mode_M; /* memory */
+extern ir_mode *mode_BB; /* block */
+
+/** A set of predifined, numerical modes according to Techreport 1999-44 **/
+extern ir_mode *mode_F; /* signed float(32) */
+extern ir_mode *mode_D; /* signed double(64) */
+extern ir_mode *mode_E; /* signed extended(80) */
+extern ir_mode *mode_Bs; /* signed byte (former char) */
+extern ir_mode *mode_Bu; /* unsigned byte (former char) */
+extern ir_mode *mode_Hs; /* signed short integer */
+extern ir_mode *mode_Hu; /* unsigened short integer */
+extern ir_mode *mode_Is; /* signed integer */
+extern ir_mode *mode_Iu; /* unsigned integer */
+extern ir_mode *mode_Ls; /* signed long integer */
+extern ir_mode *mode_Lu; /* unsigned long integer */
+
+extern ir_mode *mode_b; /* internal boolean */
+extern ir_mode *mode_C; /* 8 bit char */
+extern ir_mode *mode_U; /* 16 bit unicode char */
+extern ir_mode *mode_P; /* pointer */
/*@{*/
/** Access routines for JNI Interface */
ir_mode *get_modeX(void);
ir_mode *get_modeM(void);
ir_mode *get_modeBB(void);
-/*@}*/
-
-/** An enum for this mode */
-modecode get_mode_modecode (ir_mode *mode);
-/* void set_mode_modecode (ir_mode *mode, modecode code); */
-
-/** The ident of this mode */
-ident *get_mode_ident (ir_mode *mode);
-/* void set_mode_ident (ir_mode *mode, ident *id); */
-
-/** The name of this mode */
-const char *get_mode_name (ir_mode *mode);
-/* void set_mode_name (ir_mode *mode, char *name); */
-
-/** The size of values of the mode in bytes. */
-int get_mode_size (ir_mode *mode);
-/* void set_mode_size (ir_mode *mode, int size); */
-/** The alignment of values of the mode. */
-int get_mode_ld_align (ir_mode *mode);
-/* void set_mode_ld_align (ir_mode *mode, int ld_align); */
-
-/** The smallest representable value */
-tarval *get_mode_min (ir_mode *mode);
-/* void set_mode_min (ir_mode *mode, tarval *min); */
-
-/** The biggest representable value */
-tarval *get_mode_max (ir_mode *mode);
-/* void set_mode_max (ir_mode *mode, tarval *max); */
-
-/** The value Zero represented in this mode */
-tarval *get_mode_null (ir_mode *mode);
-/* void set_mode_null (ir_mode *mode, tarval *null); */
-
-/** Returns 1 if mode is signed, else 0. */
-unsigned get_mode_fsigned (ir_mode *mode);
-/* void set_mode_fsigned (ir_mode *mode, unsigned fsigned); */
-
-/** Returns 1 if mode is float, else 0. */
-unsigned get_mode_ffloat (ir_mode *mode);
-/* void set_mode_ffloat (ir_mode *mode, unsigned ffloat); */
-
-/*@{*/
/**
Functions to check, whether a modecode is signed, float, int, num, data,
datab or dataM.
irm_Is, irm_Iu, irm_Ls, irm_Lu, irm_C, irm_U, irm_P, irm_M}
= {data || irm_M}
*/
-
+/*@}*/
/* Test for a certain class of modes. */
+#ifdef MODE_ACCESS_DEFINES
+# define mode_is_signed(mode) (mode)->sign
+# define mode_is_float(mode) ((mode)->sort == float_number)
+# define mode_is_int(mode) ((mode)->sort == int_number)
+# define mode_is_num(mode) (((mode)->sort == float_number) || ((mode)->sort == int_number))
+# define mode_is_data(mode) (((mode)->sort == float_number) || ((mode)->sort == int_number) || ((mode)->sort == character) || ((mode)->sort == reference))
+# define mode_is_datab(mode) (((mode)->sort == float_number) || ((mode)->sort == int_number) || ((mode)->sort == character) || ((mode)->sort == reference) || ((mode)->sort == internal_boolean))
+# define mode_is_dataM(mode) (((mode)->sort == float_number) || ((mode)->sort == int_number) || ((mode)->sort == character) || ((mode)->sort == reference) || ((mode)->code == irm_M))
+#else
int mode_is_signed (ir_mode *mode);
int mode_is_float (ir_mode *mode);
int mode_is_int (ir_mode *mode);
int mode_is_data (ir_mode *mode);
int mode_is_datab (ir_mode *mode);
int mode_is_dataM (ir_mode *mode);
-/*@}*/
-
+#endif
/** Returns true if sm can be converted to lm without loss
according to firm definiton */
bool smaller_mode(ir_mode *sm, ir_mode *lm);
+/** mode module initialization, call once before use of any other function **/
+void init_mode (void);
+
# endif /* _IRMODE_H_ */