Fix MOVN.fmt and MOVZ.fmt, need to test GPR[RT].

sim/mips/ChangeLog

@@ -1,3 +1,8 @@
+Mon Jul  3 11:13:20 2000  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	From Jason Eckhardt:
+	* mips.igen (MOVZ.fmt, MOVN.fmt): Move conditional on GPR[RT].
+
 Tue Jun 13 20:52:07 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 
 	* mips.igen (MxC1, DMxC1): Fix printf formatting.

sim/mips/mips.igen

@@ -3283,16 +3283,14 @@
 
 
 010001,10,3.FMT,5.RT,5.FS,5.FD,010011:COP1:32::MOVN.fmt
+"movn.%s<FMT> f<FD>, f<FS>, r<RT>"
 *mipsIV:
 *vr5000:
 {
-  unsigned32 instruction = instruction_0;
-  int destreg = ((instruction >> 6) & 0x0000001F);
-  int fs = ((instruction >> 11) & 0x0000001F);
-  int format = ((instruction >> 21) & 0x00000007);
-  {
-    StoreFPR(destreg,format,ValueFPR(fs,format));
-  }
+  if (GPR[RT] != 0)
+    StoreFPR (FD, FMT, ValueFPR (FS, FMT));
+  else
+    StoreFPR (FD, FMT, ValueFPR (FD, FMT));
 }
 
 
@@ -3308,13 +3306,10 @@
 *mipsIV:
 *vr5000:
 {
-  unsigned32 instruction = instruction_0;
-  int destreg = ((instruction >> 6) & 0x0000001F);
-  int fs = ((instruction >> 11) & 0x0000001F);
-  int format = ((instruction >> 21) & 0x00000007);
-  {
-   StoreFPR(destreg,format,ValueFPR(fs,format));
-  }
+  if (GPR[RT] == 0)
+    StoreFPR (FD, FMT, ValueFPR (FS, FMT));
+  else
+    StoreFPR (FD, FMT, ValueFPR (FD, FMT));
 }