fixed equivalent_node_Quot()

[libfirm] / ir / ir / irmode.c

diff --git a/ir/ir/irmode.c b/ir/ir/irmode.c
index 0f62449..8e2752b 100644 (file)
--- a/ir/ir/irmode.c
+++ b/ir/ir/irmode.c
@@ -22,6 +22,7 @@
 
 # include <stddef.h>
 
+# include "irprog_t.h"
 # include "irmode_t.h"
 # include "ident.h"
 # include "tv_t.h"
@@ -200,44 +201,57 @@ ir_mode *mode_b;
 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;
 }
 
 /**
@@ -245,7 +259,7 @@ void (set_modeP_mach)(ir_mode *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;
 
@@ -253,14 +267,18 @@ 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(*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;
 }
 
@@ -305,7 +323,6 @@ ir_mode *new_ir_mode(const char *name, mode_sort sort, int bit_size, int sign,
     case irms_character:
       mode = register_mode(&mode_tmpl);
   }
-  hook_new_mode(&mode_tmpl, mode);
   return mode;
 }
 
@@ -336,8 +353,7 @@ ir_mode *new_ir_vector_mode(const char *name, mode_sort sort, int bit_size, unsi
 
   if (num_of_elem <= 1) {
     assert(0 && "vector modes should have at least 2 elements");
-    hook_new_mode(&mode_tmpl, mode);
-    return mode;
+    return NULL;
   }
 
   /* sanity checks */
@@ -362,23 +378,22 @@ ir_mode *new_ir_vector_mode(const char *name, mode_sort sort, int bit_size, unsi
     case irms_int_number:
       mode = register_mode(&mode_tmpl);
   }
-  hook_new_mode(&mode_tmpl, mode);
   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 *
@@ -392,27 +407,27 @@ mode_sort
 (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
@@ -429,25 +444,25 @@ 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 *
@@ -538,73 +553,73 @@ is_mode (void *thing) {
 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. */
@@ -869,14 +884,14 @@ init_mode (void)
 
   /* 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);
 
@@ -885,7 +900,6 @@ init_mode (void)
   newmode.code         = irm_U;
   newmode.sign         = 0;
   newmode.size         = 16;
-  newmode.modulo_shift = 32;
 
   mode_U = register_mode(&newmode);
 
@@ -903,7 +917,8 @@ init_mode (void)
   mode_P = register_mode(&newmode);
 
   /* set the machine specific modes to the predefined ones */
-  mode_P_mach = mode_P;
+  mode_P_code = mode_P;
+  mode_P_data = mode_P;
 }
 
 /* find a signed mode for an unsigned integer mode */
@@ -960,6 +975,18 @@ int mode_overflow_on_unary_Minus(const ir_mode *mode)
   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);
 
@@ -988,5 +1015,6 @@ void finish_mode(void) {
   mode_b   = NULL;
   mode_P   = NULL;
 
-  mode_P_mach = NULL;
+  mode_P_code = NULL;
+  mode_P_data = NULL;
 }