* Makefile.in (cse.o): Depend on TARGET_H.

[pf3gnuchains/gcc-fork.git] / gcc / config / d30v / d30v.c

diff --git a/gcc/config/d30v/d30v.c b/gcc/config/d30v/d30v.c
index 4f282a8..b3b72cd 100644 (file)
--- a/gcc/config/d30v/d30v.c
+++ b/gcc/config/d30v/d30v.c
@@ -54,6 +54,7 @@ static void d30v_output_function_prologue PARAMS ((FILE *, HOST_WIDE_INT));
 static void d30v_output_function_epilogue PARAMS ((FILE *, HOST_WIDE_INT));
 static int d30v_adjust_cost PARAMS ((rtx, rtx, rtx, int));
 static int d30v_issue_rate PARAMS ((void));
+static bool d30v_rtx_costs PARAMS ((rtx, int, int, int *));
 
 /* Define the information needed to generate branch and scc insns.  This is
    stored from the compare operation.  */
@@ -99,6 +100,9 @@ enum reg_class reg_class_from_letter[256];
 #undef TARGET_SCHED_ISSUE_RATE
 #define TARGET_SCHED_ISSUE_RATE d30v_issue_rate
 
+#undef TARGET_RTX_COSTS
+#define TARGET_RTX_COSTS d30v_rtx_costs
+
 struct gcc_target targetm = TARGET_INITIALIZER;
 \f
 /* Sometimes certain combinations of command options do not make
@@ -3505,3 +3509,23 @@ d30v_return_addr ()
 {
   return get_hard_reg_initial_val (Pmode, GPR_LINK);
 }
+\f
+static bool
+d30v_rtx_costs (x, code, outer_code, total)
+     rtx x;
+     int code;
+     int outer_code ATTRIBUTE_UNUSED;
+     int *total;
+{
+  switch (code)
+    {
+    case MULT:
+      *total = COSTS_N_INSNS ((GET_CODE (XEXP (x, 1)) == CONST_INT
+                              && exact_log2 (INTVAL (XEXP (x, 1))) >= 0)
+                             ? 1 : 2);
+      return true;
+
+    default:
+      return false;
+    }
+}