Remove unnecessary conversions to wider modes as operands of Cmp.

[libfirm] / ir / ir / irmode.c

diff --git a/ir/ir/irmode.c b/ir/ir/irmode.c
index e96d589..2e8bfd6 100644 (file)
--- a/ir/ir/irmode.c
+++ b/ir/ir/irmode.c
@@ -53,7 +53,7 @@
 static struct obstack modes;
 
 /** number of defined modes */
-static int num_modes;
+static int num_modes = 0;
 
 /* * *
  * local functions
@@ -132,7 +132,6 @@ static ir_mode *find_mode(const ir_mode *m) {
  */
 static void set_mode_values(ir_mode* mode) {
        switch (get_mode_sort(mode))    {
-       case irms_character:
        case irms_int_number:
        case irms_float_number:
                mode->min  = get_tarval_min(mode);
@@ -200,8 +199,6 @@ ir_mode *mode_Lu;
 ir_mode *mode_LLs;  /* 128 bit */
 ir_mode *mode_LLu;
 
-ir_mode *mode_C;
-ir_mode *mode_U;
 ir_mode *mode_b;
 ir_mode *mode_P;
 
@@ -228,8 +225,6 @@ ir_mode *get_modeLs(void) { return mode_Ls; }
 ir_mode *get_modeLu(void) { return mode_Lu; }
 ir_mode *get_modeLLs(void){ return mode_LLs; }
 ir_mode *get_modeLLu(void){ return mode_LLu; }
-ir_mode *get_modeC(void) { return mode_C; }
-ir_mode *get_modeU(void) { return mode_U; }
 ir_mode *get_modeb(void) { return mode_b; }
 ir_mode *get_modeP(void) { return mode_P; }
 ir_mode *get_modeX(void) { return mode_X; }
@@ -271,8 +266,10 @@ static ir_mode *register_mode(const ir_mode *new_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++;
+       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);
@@ -320,7 +317,6 @@ ir_mode *new_ir_mode(const char *name, mode_sort sort, int bit_size, int sign,
        case irms_float_number:
        case irms_int_number:
        case irms_reference:
-       case irms_character:
                mode = register_mode(&mode_tmpl);
        }
        return mode;
@@ -366,7 +362,6 @@ ir_mode *new_ir_vector_mode(const char *name, mode_sort sort, int bit_size, unsi
                break;
 
        case irms_reference:
-       case irms_character:
                assert(0 && "only integer and floating point modes can be vectorized");
                break;
 
@@ -416,7 +411,7 @@ int
        return _get_mode_sign(mode);
 }
 
-int
+mode_arithmetic
 (get_mode_arithmetic)(const ir_mode *mode) {
        return get_mode_arithmetic(mode);
 }
@@ -532,11 +527,6 @@ int
        return _mode_is_int(mode);
 }
 
-int
-(mode_is_character)(const ir_mode *mode) {
-       return _mode_is_character(mode);
-}
-
 int
 (mode_is_reference)(const ir_mode *mode) {
        return _mode_is_reference(mode);
@@ -547,11 +537,6 @@ int
        return _mode_is_num(mode);
 }
 
-int
-(mode_is_numP)(const ir_mode *mode) {
-       return _mode_is_numP(mode);
-}
-
 int
 (mode_is_data)(const ir_mode *mode) {
        return _mode_is_data(mode);
@@ -870,29 +855,8 @@ init_mode (void) {
 
        mode_LLu = register_mode(&newmode);
 
-       /* Character Modes */
-       newmode.sort         = irms_character;
-       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;
-
-       mode_C = register_mode(&newmode);
-
-       /* Unicode character */
-       newmode.name         = new_id_from_chars("U", 1);
-       newmode.code         = irm_U;
-       newmode.sign         = 0;
-       newmode.size         = 16;
-
-       mode_U = register_mode(&newmode);
-
-       /* Reference Modes */
-       newmode.sort    = irms_reference;
+       /* Reference Mode */
+       newmode.sort       = irms_reference;
        newmode.arithmetic = irma_twos_complement;
 
        /* pointer */
@@ -998,11 +962,9 @@ void finish_mode(void) {
        mode_Ls  = NULL;
        mode_Lu  = NULL;
 
-       mode_C   = NULL;
-       mode_U   = NULL;
        mode_b   = NULL;
-       mode_P   = NULL;
 
+       mode_P      = NULL;
        mode_P_code = NULL;
        mode_P_data = NULL;
 }