gcc/

[pf3gnuchains/gcc-fork.git] / gcc / target.h

diff --git a/gcc/target.h b/gcc/target.h
index bbc6cd8..7f7f177 100644 (file)
--- a/gcc/target.h
+++ b/gcc/target.h
@@ -832,8 +832,11 @@ struct gcc_target
 
   /* Functions relating to calls - argument passing, returns, etc.  */
   struct calls {
-    bool (*promote_function_args) (const_tree fntype);
-    bool (*promote_function_return) (const_tree fntype);
+    enum machine_mode (*promote_function_mode) (const_tree type,
+                                               enum machine_mode mode,
+                                               int *punsignedp,
+                                               const_tree fntype,
+                                               int for_return);
     bool (*promote_prototypes) (const_tree fntype);
     rtx (*struct_value_rtx) (tree fndecl, int incoming);
     bool (*return_in_memory) (const_tree type, const_tree fndecl);
@@ -889,6 +892,10 @@ struct gcc_target
     rtx (*function_value) (const_tree ret_type, const_tree fn_decl_or_type,
                           bool outgoing);
 
+    /* Return the rtx for the result of a libcall of mode MODE,
+       calling the function FN_NAME.  */
+    rtx (*libcall_value) (enum machine_mode, rtx);
+
     /* Return an rtx for the argument pointer incoming to the
        current function.  */
     rtx (*internal_arg_pointer) (void);
@@ -960,6 +967,13 @@ struct gcc_target
   /* Return the smallest number of different values for which it is best to
      use a jump-table instead of a tree of conditional branches.  */
   unsigned int (* case_values_threshold) (void);
+  
+  /* Retutn true if a function must have and use a frame pointer.  */
+  bool (* frame_pointer_required) (void);
+
+  /* Returns true if the compiler is allowed to try to replace register number
+     from-reg with register number to-reg.  */
+  bool (* can_eliminate) (const int, const int);
 
   /* Functions specific to the C family of frontends.  */
   struct c {
@@ -1114,9 +1128,6 @@ struct gcc_target
      at the beginning of assembly output.  */
   bool file_start_file_directive;
 
-  /* True if #pragma redefine_extname is to be supported.  */
-  bool handle_pragma_redefine_extname;
-
   /* True if #pragma extern_prefix is to be supported.  */
   bool handle_pragma_extern_prefix;