removed dummy register requirements

diff --git a/ir/be/ia32/bearch_ia32.c b/ir/be/ia32/bearch_ia32.c
index 82d3aa8..2240ca0 100644 (file)
--- a/ir/be/ia32/bearch_ia32.c
+++ b/ir/be/ia32/bearch_ia32.c
@@ -26,28 +26,11 @@
 #include "ia32_emitter.h"
 #include "ia32_map_regs.h"
 
-#define DEBUG_MODULE "be.isa.ia32"
+#define DEBUG_MODULE "ir.be.isa.ia32"
 
 /* TODO: ugly */
 static set *cur_reg_set = NULL;
 
-/**
- * Stuff needed for dummy register requirements to keep register allocator
- * happy during development.
- */
-static arch_register_t       ia32_dummy_regs[500];
-static arch_register_class_t ia32_dummy_reg_class = {
-       "dummy",
-       500,
-       ia32_dummy_regs
-};
-
-static arch_register_req_t ia32_dummy_register_req = {
-       arch_register_req_type_normal,
-       &ia32_dummy_reg_class,
-       { NULL }
-};
-
 
 
 /**************************************************
@@ -131,6 +114,8 @@ static const arch_register_req_t *ia32_get_irn_reg_req(const arch_irn_ops_t *sel
                                case pn_Start_X_initial_exec:
                                case pn_Start_P_value_arg_base:
                                case pn_Start_P_globals:
+                                       memcpy(req, &ia32_default_req_none, sizeof(*req));
+                                       break;
                                case pn_Start_P_frame_base:
                                        memcpy(req, &ia32_default_req_none, sizeof(*req));
                                        break;
@@ -143,8 +128,9 @@ static const arch_register_req_t *ia32_get_irn_reg_req(const arch_irn_ops_t *sel
                        memcpy(req, &ia32_default_req_ia32_general_purpose_eax, sizeof(*req));
                }
                else {
-                       DBG((mod, LEVEL_1, "returning standard reqs for %+F (not ia32)\n", irn));
-                       memcpy(req, &ia32_dummy_register_req, sizeof(*req));
+                       DBG((mod, LEVEL_1, "returning NULL for %+F (not ia32)\n", irn));
+                       req = NULL;
+                       //memcpy(req, &ia32_dummy_register_req, sizeof(*req));
                }
        }
 
@@ -349,10 +335,8 @@ static void *ia32_cg_init(FILE *F, ir_graph *irg, const arch_env_t *arch_env) {
  * Initializes the backend ISA and opens the output file.
  */
 static void *ia32_init(void) {
-       int i;
-       static struct obstack obst;
-       static int inited    = 0;
-       ia32_isa_t *isa      = malloc(sizeof(*isa));
+       static int inited = 0;
+       ia32_isa_t *isa   = malloc(sizeof(*isa));
 
        isa->impl = &ia32_isa_if;
 
@@ -363,26 +347,6 @@ static void *ia32_init(void) {
 
        isa->num_codegens = 0;
 
-       /* init dummy register requirements */
-       obstack_init(&obst);
-
-       for (i = 0; i < 500; i++) {
-               int n;
-               char buf[5];
-               char *name;
-               arch_register_t *reg = &ia32_dummy_regs[i];
-
-               n = snprintf(buf, sizeof(buf), "d%d", i);
-               name = obstack_copy0(&obst, buf, n);
-
-               reg->name      = name;
-               reg->reg_class = &ia32_dummy_reg_class;
-               reg->index     = i;
-               reg->type      = arch_register_type_none;
-       }
-
-       obstack_free(&obst, NULL);
-
        ia32_register_init();
        ia32_create_opcodes();