# include <stddef.h>
+# include "irprog_t.h"
# include "irmode_t.h"
# include "ident.h"
-# include "tv.h"
+# include "tv_t.h"
# include "obst.h"
+# include "irhooks.h"
#if 0
static long long count = 0;
case irms_character:
case irms_int_number:
case irms_float_number:
- mode->min = get_tarval_min(mode);
- mode->max = get_tarval_max(mode);
+ mode->min = get_tarval_min(mode);
+ mode->max = get_tarval_max(mode);
mode->null = get_tarval_null(mode);
- mode->one = get_tarval_one(mode);
+ mode->one = get_tarval_one(mode);
+ mode->minus_one = get_tarval_minus_one(mode);
break;
case irms_internal_boolean:
- mode->min = tarval_b_false;
- mode->max = tarval_b_true;
+ mode->min = tarval_b_false;
+ mode->max = tarval_b_true;
mode->null = tarval_b_false;
- mode->one = tarval_b_true;
+ mode->one = tarval_b_true;
+ mode->minus_one = tarval_bad;
break;
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->one = tarval_bad;
+ mode->min = tarval_bad;
+ mode->max = tarval_bad;
+ mode->null = get_tarval_null(mode);
+ mode->one = tarval_bad;
+ mode->minus_one = tarval_bad;
break;
case irms_auxiliary:
case irms_memory:
case irms_control_flow:
- mode->min = tarval_bad;
- mode->max = tarval_bad;
+ mode->min = tarval_bad;
+ mode->max = tarval_bad;
mode->null = tarval_bad;
- mode->one = tarval_bad;
+ mode->one = tarval_bad;
+ mode->minus_one = tarval_bad;
break;
}
}
ir_mode *mode_P;
/* machine specific modes */
-ir_mode *mode_P_mach; /* machine specific pointer mode */
+ir_mode *mode_P_code; /**< machine specific pointer mode for code addresses */
+ir_mode *mode_P_data; /**< machine specific pointer mode for data addresses */
/* * *
* functions defined in irmode.h
* * */
/* JNI access functions */
-INLINE ir_mode *get_modeT(void) { ANNOUNCE(); return mode_T; }
-INLINE ir_mode *get_modeF(void) { ANNOUNCE(); return mode_F; }
-INLINE ir_mode *get_modeD(void) { ANNOUNCE(); return mode_D; }
-INLINE ir_mode *get_modeE(void) { ANNOUNCE(); return mode_E; }
-INLINE ir_mode *get_modeBs(void) { ANNOUNCE(); return mode_Bs; }
-INLINE ir_mode *get_modeBu(void) { ANNOUNCE(); return mode_Bu; }
-INLINE ir_mode *get_modeHs(void) { ANNOUNCE(); return mode_Hs; }
-INLINE ir_mode *get_modeHu(void) { ANNOUNCE(); return mode_Hu; }
-INLINE ir_mode *get_modeIs(void) { ANNOUNCE(); return mode_Is; }
-INLINE ir_mode *get_modeIu(void) { ANNOUNCE(); return mode_Iu; }
-INLINE ir_mode *get_modeLs(void) { ANNOUNCE(); return mode_Ls; }
-INLINE ir_mode *get_modeLu(void) { ANNOUNCE(); return mode_Lu; }
-INLINE ir_mode *get_modeC(void) { ANNOUNCE(); return mode_C; }
-INLINE ir_mode *get_modeU(void) { ANNOUNCE(); return mode_U; }
-INLINE ir_mode *get_modeb(void) { ANNOUNCE(); return mode_b; }
-INLINE ir_mode *get_modeP(void) { ANNOUNCE(); return mode_P; }
-INLINE ir_mode *get_modeX(void) { ANNOUNCE(); return mode_X; }
-INLINE ir_mode *get_modeM(void) { ANNOUNCE(); return mode_M; }
-INLINE ir_mode *get_modeBB(void) { ANNOUNCE(); return mode_BB; }
-INLINE ir_mode *get_modeANY(void) { ANNOUNCE(); return mode_ANY; }
-INLINE ir_mode *get_modeBAD(void) { ANNOUNCE(); return mode_BAD; }
+ir_mode *get_modeT(void) { ANNOUNCE(); return mode_T; }
+ir_mode *get_modeF(void) { ANNOUNCE(); return mode_F; }
+ir_mode *get_modeD(void) { ANNOUNCE(); return mode_D; }
+ir_mode *get_modeE(void) { ANNOUNCE(); return mode_E; }
+ir_mode *get_modeBs(void) { ANNOUNCE(); return mode_Bs; }
+ir_mode *get_modeBu(void) { ANNOUNCE(); return mode_Bu; }
+ir_mode *get_modeHs(void) { ANNOUNCE(); return mode_Hs; }
+ir_mode *get_modeHu(void) { ANNOUNCE(); return mode_Hu; }
+ir_mode *get_modeIs(void) { ANNOUNCE(); return mode_Is; }
+ir_mode *get_modeIu(void) { ANNOUNCE(); return mode_Iu; }
+ir_mode *get_modeLs(void) { ANNOUNCE(); return mode_Ls; }
+ir_mode *get_modeLu(void) { ANNOUNCE(); return mode_Lu; }
+ir_mode *get_modeC(void) { ANNOUNCE(); return mode_C; }
+ir_mode *get_modeU(void) { ANNOUNCE(); return mode_U; }
+ir_mode *get_modeb(void) { ANNOUNCE(); return mode_b; }
+ir_mode *get_modeP(void) { ANNOUNCE(); return mode_P; }
+ir_mode *get_modeX(void) { ANNOUNCE(); return mode_X; }
+ir_mode *get_modeM(void) { ANNOUNCE(); return mode_M; }
+ir_mode *get_modeBB(void) { ANNOUNCE(); return mode_BB; }
+ir_mode *get_modeANY(void) { ANNOUNCE(); return mode_ANY; }
+ir_mode *get_modeBAD(void) { ANNOUNCE(); return mode_BAD; }
-ir_mode *(get_modeP_mach)(void) {
+ir_mode *(get_modeP_code)(void) {
ANNOUNCE();
- return __get_modeP_mach();
+ return _get_modeP_code();
}
-void (set_modeP_mach)(ir_mode *p) {
+ir_mode *(get_modeP_data)(void) {
ANNOUNCE();
- __set_modeP_mach(p);
+ return _get_modeP_data();
+}
+
+void set_modeP_code(ir_mode *p) {
+ assert(mode_is_reference(p));
+
+ mode_P_code = p;
+}
+
+void set_modeP_data(ir_mode *p) {
+ assert(mode_is_reference(p));
+
+ mode_P_data = p;
}
/**
*
* @param new_mode The new mode template.
*/
-static ir_mode *register_mode(const ir_mode* new_mode)
+static ir_mode *register_mode(const ir_mode *new_mode)
{
ir_mode *mode = NULL;
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(*mode));
mode->kind = k_ir_mode;
if (num_modes >= irm_max) mode->code = num_modes;
num_modes++;
+ /* add the new mode to the irp list of modes */
+ add_irp_mode(mode);
+
set_mode_values(mode);
+ hook_new_mode(new_mode, mode);
return mode;
}
mode_arithmetic arithmetic, unsigned int modulo_shift )
{
ir_mode mode_tmpl;
- ir_mode *mode;
+ ir_mode *mode = NULL;
mode_tmpl.name = new_id_from_str(name);
mode_tmpl.sort = sort;
mode_tmpl.tv_priv = NULL;
mode = find_mode(&mode_tmpl);
- if (mode)
- {
+ if (mode) {
+ hook_new_mode(&mode_tmpl, mode);
return mode;
}
case irms_memory:
case irms_internal_boolean:
assert(0 && "internal modes cannot be user defined");
- return NULL;
+ break;
case irms_float_number:
case irms_int_number:
case irms_reference:
case irms_character:
- return register_mode(&mode_tmpl);
+ mode = register_mode(&mode_tmpl);
}
- return NULL; /* to shut up gcc */
+ return mode;
}
/*
mode_arithmetic arithmetic, unsigned int modulo_shift )
{
ir_mode mode_tmpl;
- ir_mode *mode;
+ ir_mode *mode = NULL;
mode_tmpl.name = new_id_from_str(name);
mode_tmpl.sort = sort;
mode_tmpl.tv_priv = NULL;
mode = find_mode(&mode_tmpl);
- if (mode)
+ if (mode) {
+ hook_new_mode(&mode_tmpl, mode);
return mode;
+ }
if (num_of_elem <= 1) {
assert(0 && "vector modes should have at least 2 elements");
case irms_memory:
case irms_internal_boolean:
assert(0 && "internal modes cannot be user defined");
- return NULL;
+ break;
case irms_reference:
case irms_character:
assert(0 && "only integer and floating point modes can be vectorized");
- return NULL;
+ break;
case irms_float_number:
assert(0 && "not yet implemented");
- return NULL;
+ break;
case irms_int_number:
- return register_mode(&mode_tmpl);
+ mode = register_mode(&mode_tmpl);
}
- return NULL; /* to shut up gcc */
+ return mode;
}
-/* Functions for the direct access to all attributes od a ir_mode */
+/* Functions for the direct access to all attributes of an ir_mode */
modecode
(get_mode_modecode)(const ir_mode *mode)
{
ANNOUNCE();
- return __get_mode_modecode(mode);
+ return _get_mode_modecode(mode);
}
ident *
(get_mode_ident)(const ir_mode *mode)
{
ANNOUNCE();
- return __get_mode_ident(mode);
+ return _get_mode_ident(mode);
}
const char *
(get_mode_sort)(const ir_mode* mode)
{
ANNOUNCE();
- return __get_mode_sort(mode);
+ return _get_mode_sort(mode);
}
int
(get_mode_size_bits)(const ir_mode *mode)
{
ANNOUNCE();
- return __get_mode_size_bits(mode);
+ return _get_mode_size_bits(mode);
}
int
(get_mode_size_bytes)(const ir_mode *mode) {
ANNOUNCE();
- return __get_mode_size_bytes(mode);
+ return _get_mode_size_bytes(mode);
}
int
(get_mode_sign)(const ir_mode *mode)
{
ANNOUNCE();
- return __get_mode_sign(mode);
+ return _get_mode_sign(mode);
}
int
*/
unsigned int
(get_mode_modulo_shift)(const ir_mode *mode) {
- return __get_mode_modulo_shift(mode);
+ return _get_mode_modulo_shift(mode);
}
unsigned int
(get_mode_n_vector_elems)(const ir_mode *mode) {
- return __get_mode_vector_elems(mode);
+ return _get_mode_vector_elems(mode);
}
void *
(get_mode_link)(const ir_mode *mode)
{
ANNOUNCE();
- return __get_mode_link(mode);
+ return _get_mode_link(mode);
}
void
(set_mode_link)(ir_mode *mode, void *l)
{
- __set_mode_link(mode, l);
+ _set_mode_link(mode, l);
}
tarval *
return mode->one;
}
+tarval *
+get_mode_minus_one (ir_mode *mode)
+{
+ ANNOUNCE();
+ assert(mode);
+ assert(get_mode_modecode(mode) < num_modes);
+ assert(mode_is_data(mode));
+
+ return mode->minus_one;
+}
+
tarval *
get_mode_infinite(ir_mode *mode)
{
int
(mode_is_signed)(const ir_mode *mode) {
ANNOUNCE();
- return __mode_is_signed(mode);
+ return _mode_is_signed(mode);
}
int
(mode_is_float)(const ir_mode *mode) {
ANNOUNCE();
- return __mode_is_float(mode);
+ return _mode_is_float(mode);
}
int
(mode_is_int)(const ir_mode *mode) {
ANNOUNCE();
- return __mode_is_int(mode);
+ return _mode_is_int(mode);
}
int
(mode_is_character)(const ir_mode *mode) {
ANNOUNCE();
- return __mode_is_character(mode);
+ return _mode_is_character(mode);
}
int
(mode_is_reference)(const ir_mode *mode) {
ANNOUNCE();
- return __mode_is_reference(mode);
+ return _mode_is_reference(mode);
}
int
(mode_is_num)(const ir_mode *mode) {
ANNOUNCE();
- return __mode_is_num(mode);
+ return _mode_is_num(mode);
}
int
(mode_is_numP)(const ir_mode *mode) {
ANNOUNCE();
- return __mode_is_numP(mode);
+ return _mode_is_numP(mode);
}
int
(mode_is_data)(const ir_mode *mode) {
ANNOUNCE();
- return __mode_is_data(mode);
+ return _mode_is_data(mode);
}
int
(mode_is_datab)(const ir_mode *mode) {
ANNOUNCE();
- return __mode_is_datab(mode);
+ return _mode_is_datab(mode);
}
int
(mode_is_dataM)(const ir_mode *mode) {
ANNOUNCE();
- return __mode_is_dataM(mode);
+ return _mode_is_dataM(mode);
}
int
(mode_is_float_vector)(const ir_mode *mode) {
ANNOUNCE();
- return __mode_is_float_vector(mode);
+ return _mode_is_float_vector(mode);
}
int
(mode_is_int_vector)(const ir_mode *mode) {
ANNOUNCE();
- return __mode_is_int_vector(mode);
+ return _mode_is_int_vector(mode);
}
/* Returns true if sm can be converted to lm without loss. */
/* Character Modes */
newmode.sort = irms_character;
- newmode.arithmetic = irma_none;
+ newmode.arithmetic = irma_twos_complement;
+ newmode.modulo_shift = 0;
/* Character */
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);
newmode.code = irm_U;
newmode.sign = 0;
newmode.size = 16;
- newmode.modulo_shift = 32;
mode_U = register_mode(&newmode);
mode_P = register_mode(&newmode);
- /* set the machine specific modes to the predifined ones */
- mode_P_mach = mode_P;
+ /* set the machine specific modes to the predefined ones */
+ mode_P_code = mode_P;
+ mode_P_data = mode_P;
}
/* find a signed mode for an unsigned integer mode */
return 0;
}
+/*
+ * Returns non-zero if the given mode might overflow on unary Minus.
+ *
+ * This does NOT happen on IEEE 754.
+ */
+int mode_overflow_on_unary_Minus(const ir_mode *mode)
+{
+ if (mode->sort == irms_float_number)
+ return mode->arithmetic == irma_ieee754 ? 0 : 1;
+ return 1;
+}
+
+/*
+ * Returns non-zero if the mode has a reversed wrap-aound
+ * logic, especially (a + x) - x == a.
+ *
+ * This is normally true for integer modes, not for floating
+ * point modes.
+ */
+int mode_wrap_around(const ir_mode *mode) {
+ /* FIXME: better would be an extra mode property */
+ return mode_is_int(mode);
+}
+
void finish_mode(void) {
obstack_free(&modes, 0);
- mode_T = NULL;
- mode_X = NULL;
- mode_M = NULL;
- mode_BB = NULL;
+ 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;
+ 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_code = NULL;
+ mode_P_data = NULL;
}