* target.h (struct gcc_target): Add register_move_cost field.

[pf3gnuchains/gcc-fork.git] / gcc / reginfo.c

diff --git a/gcc/reginfo.c b/gcc/reginfo.c
index 66e774a..b868c37 100644 (file)
--- a/gcc/reginfo.c
+++ b/gcc/reginfo.c
@@ -183,7 +183,7 @@ bool have_regs_of_mode [MAX_MACHINE_MODE];
 char contains_reg_of_mode [N_REG_CLASSES] [MAX_MACHINE_MODE];
 
 /* Maximum cost of moving from a register in one class to a register in
-   another class.  Based on REGISTER_MOVE_COST.  */
+   another class.  Based on TARGET_REGISTER_MOVE_COST.  */
 move_table *move_cost[MAX_MACHINE_MODE];
 
 /* Similar, but here we don't have to move if the first index is a subset
@@ -274,7 +274,7 @@ init_move_cost (enum machine_mode m)
            cost = 65535;
          else
            {
-             cost = REGISTER_MOVE_COST (m, (enum reg_class) i,
+             cost = register_move_cost (m, (enum reg_class) i,
                                         (enum reg_class) j);
              gcc_assert (cost < 65535);
            }
@@ -681,6 +681,17 @@ init_fake_stack_mems (void)
     top_of_stack[i] = gen_rtx_MEM ((enum machine_mode) i, stack_pointer_rtx);
 }
 
+
+/* Compute cost of moving data from a register of class FROM to one of
+   TO, using MODE.  */
+
+int
+register_move_cost (enum machine_mode mode, enum reg_class from,
+                    enum reg_class to)
+{
+  return targetm.register_move_cost (mode, from, to);
+}
+
 /* Compute cost of moving registers to/from memory.  */
 int
 memory_move_cost (enum machine_mode mode, enum reg_class rclass, bool in)
@@ -706,9 +717,9 @@ memory_move_secondary_cost (enum machine_mode mode, enum reg_class rclass,
     return 0;
 
   if (in)
-    partial_cost = REGISTER_MOVE_COST (mode, altclass, rclass);
+    partial_cost = register_move_cost (mode, altclass, rclass);
   else
-    partial_cost = REGISTER_MOVE_COST (mode, rclass, altclass);
+    partial_cost = register_move_cost (mode, rclass, altclass);
 
   if (rclass == altclass)
     /* This isn't simply a copy-to-temporary situation.  Can't guess