added function to retrieve irn ops

[libfirm] / ir / be / bearch.c

diff --git a/ir/be/bearch.c b/ir/be/bearch.c
index 53acd80..040379b 100644 (file)
--- a/ir/be/bearch.c
+++ b/ir/be/bearch.c
@@ -22,19 +22,23 @@
 
 #include "bearch.h"
 #include "ircons_t.h"
+#include "irnode_t.h"
 
 #include "bitset.h"
 #include "pset.h"
 #include "entity.h"
 
-arch_env_t *arch_env_init(arch_env_t *env, const arch_isa_if_t *isa_if)
+#include "irprintf.h"
+
+/* Initialize the architecture environment struct. */
+arch_env_t *arch_env_init(arch_env_t *env, const arch_isa_if_t *isa_if, FILE *file_handle)
 {
   memset(env, 0, sizeof(*env));
-  env->isa = isa_if->init();
+  env->isa = isa_if->init(file_handle);
   return env;
 }
 
-arch_env_t *arch_env_add_irn_handler(arch_env_t *env,
+arch_env_t *arch_env_push_irn_handler(arch_env_t *env,
     const arch_irn_handler_t *handler)
 {
   assert(env->handlers_tos <= ARCH_MAX_HANDLERS);
@@ -42,6 +46,12 @@ arch_env_t *arch_env_add_irn_handler(arch_env_t *env,
   return env;
 }
 
+const arch_irn_handler_t *arch_env_pop_irn_handler(arch_env_t *env)
+{
+  assert(env->handlers_tos > 0 && env->handlers_tos <= ARCH_MAX_HANDLERS);
+  return env->handlers[--env->handlers_tos];
+}
+
 static const arch_irn_ops_t *fallback_irn_ops = NULL;
 
 int arch_register_class_put(const arch_register_class_t *cls, bitset_t *bs)
@@ -77,6 +87,10 @@ get_irn_ops(const arch_env_t *env, const ir_node *irn)
   return fallback_irn_ops;
 }
 
+const arch_irn_ops_t *arch_get_irn_ops(const arch_env_t *env, const ir_node *irn) {
+       return get_irn_ops(env, irn);
+}
+
 const arch_register_req_t *arch_get_register_req(const arch_env_t *env,
     arch_register_req_t *req, const ir_node *irn, int pos)
 {
@@ -85,10 +99,10 @@ const arch_register_req_t *arch_get_register_req(const arch_env_t *env,
   return ops->impl->get_irn_reg_req(ops, req, irn, pos);
 }
 
-void arch_set_stack_bias(const arch_env_t *env, ir_node *irn, int bias)
+void arch_set_frame_offset(const arch_env_t *env, ir_node *irn, int offset)
 {
   const arch_irn_ops_t *ops = get_irn_ops(env, irn);
-  ops->impl->set_stack_bias(ops, irn, bias);
+  ops->impl->set_frame_offset(ops, irn, offset);
 }
 
 entity *arch_get_frame_entity(const arch_env_t *env, ir_node *irn)
@@ -97,6 +111,59 @@ entity *arch_get_frame_entity(const arch_env_t *env, ir_node *irn)
   return ops->impl->get_frame_entity(ops, irn);
 }
 
+void arch_set_frame_entity(const arch_env_t *env, ir_node *irn, entity *ent)
+{
+       const arch_irn_ops_t *ops = get_irn_ops(env, irn);
+       ops->impl->set_frame_entity(ops, irn, ent);
+}
+
+arch_inverse_t *arch_get_inverse(const arch_env_t *env, const ir_node *irn, int i, arch_inverse_t *inverse, struct obstack *obstack)
+{
+  const arch_irn_ops_t *ops = get_irn_ops(env, irn);
+  if(ops->impl->get_inverse) {
+    return ops->impl->get_inverse(ops, irn, i, inverse, obstack);
+  } else {
+    return NULL;
+  }
+}
+
+int arch_possible_memory_operand(const arch_env_t *env, const ir_node *irn, unsigned int i) {
+       const arch_irn_ops_t *ops = get_irn_ops(env, irn);
+       if(ops->impl->possible_memory_operand) {
+               return ops->impl->possible_memory_operand(ops, irn, i);
+       } else {
+               return 0;
+       }
+}
+
+extern void arch_perform_memory_operand(const arch_env_t *env, ir_node *irn, ir_node *reload, unsigned int i) {
+       const arch_irn_ops_t *ops = get_irn_ops(env, irn);
+       if(ops->impl->perform_memory_operand) {
+               ops->impl->perform_memory_operand(ops, irn, reload, i);
+       } else {
+               return;
+       }
+}
+
+int arch_get_op_estimated_cost(const arch_env_t *env, const ir_node *irn)
+{
+  const arch_irn_ops_t *ops = get_irn_ops(env, irn);
+  if(ops->impl->get_op_estimated_cost) {
+    return ops->impl->get_op_estimated_cost(ops, irn);
+  } else {
+    return 1;
+  }
+}
+
+int arch_is_possible_memory_operand(const arch_env_t *env, const ir_node *irn, int i)
+{
+  const arch_irn_ops_t *ops = get_irn_ops(env, irn);
+  if(ops->impl->possible_memory_operand) {
+    return ops->impl->possible_memory_operand(ops, irn, i);
+  } else {
+    return 0;
+  }
+}
 
 int arch_get_allocatable_regs(const arch_env_t *env, const ir_node *irn, int pos, bitset_t *bs)
 {
@@ -128,6 +195,19 @@ void arch_put_non_ignore_regs(const arch_env_t *env, const arch_register_class_t
        }
 }
 
+int arch_count_non_ignore_regs(const arch_env_t *env, const arch_register_class_t *cls)
+{
+       int i;
+       int result = 0;
+
+       for(i = 0; i < cls->n_regs; ++i) {
+               if(!arch_register_type_is(&cls->regs[i], ignore))
+                       result++;
+       }
+
+       return result;
+}
+
 int arch_is_register_operand(const arch_env_t *env,
     const ir_node *irn, int pos)
 {
@@ -198,6 +278,7 @@ extern const char *arch_irn_flag_str(arch_irn_flags_t fl)
                XXX(dont_spill);
                XXX(ignore);
                XXX(rematerializable);
+               XXX(modify_sp);
                XXX(none);
 #undef XXX
        }
@@ -221,12 +302,12 @@ extern char *arch_register_req_format(char *buf, size_t len, const arch_register
        }
 
        if(arch_register_req_is(req, should_be_same)) {
-               snprintf(tmp, sizeof(tmp), " same to: %+F", req->other_different);
+               ir_snprintf(tmp, sizeof(tmp), " same to: %+F", req->other_different);
                strncat(buf, tmp, len);
        }
 
        if(arch_register_req_is(req, should_be_different)) {
-               snprintf(tmp, sizeof(tmp), " different to: %+F", req->other_different);
+               ir_snprintf(tmp, sizeof(tmp), " different to: %+F", req->other_different);
                strncat(buf, tmp, len);
        }