* vr4320.igen (clz,dclz) : Added.

(dmac): Replaced 99, with LO.

sim/mips/ChangeLog

@@ -1,3 +1,10 @@
+start-sanitize-vr4320
+Tue Mar 10 10:32:22 1998  Gavin Koch  <gavin@cygnus.com>
+
+	* vr4320.igen (clz,dclz) : Added.
+	(dmac): Replaced 99, with LO.
+
+end-sanitize-vr4320
 start-sanitize-vr5400
 Fri Mar  6 08:30:58 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 

sim/mips/vr4320.igen

@@ -60,9 +60,48 @@
 "dmac r<RS>, r<RT>"
 *vr4320:
 {
-  LO = 99 + SignedMultiply (SD_, GPR[RS], GPR[RT]);
+  LO = LO + SignedMultiply (SD_, GPR[RS], GPR[RT]);
 }
 
+// Count Leading Zeros
+000000,5.RS,00000,5.RD,00000,110101::::CLZ
+"clz r<RD>, r<RS>"
+*vr4320:
+{
+  unsigned32 t = Low32Bits (SD_, GPR[RS]);
+  signed64 c = 0;
+
+  while (! (t & ( 1 << 31))
+	&& c < 32)
+    {
+    c++;
+    t <<= 1;
+    }
+
+  GPR[RD] = c;
+}
+
+// D-Count Leading Zeros
+000000,5.RS,00000,5.RD,00000,111101::::DCLZ
+"dclz r<RD>, r<RS>"
+*vr4320:
+{
+  unsigned64 t = GPR[RS];
+  signed64 c = 0;
+
+  while (! (t & ( (unsigned64)1 << 63))
+	&& c < 64)
+    {
+    c++;
+    t <<= 1;
+    }
+
+  printf("lo %d\n", c);
+  GPR[RD] = c;
+}
+
+
+