m68k.c (output_scc_di): Use cmpw #0 instead of tstl when testing address registers on the 68000.

        * m68k.c (output_scc_di): Use cmpw #0 instead of tstl when
        testing address registers on the 68000.

From-SVN: r20963

gcc/ChangeLog

+Mon Jul  6 22:21:56 1998  Kamil Iskra  <iskra@student.uci.agh.edu.pl>
+
+	* m68k.c (output_scc_di): Use cmpw #0 instead of tstl when
+	testing address registers on the 68000.
+
 Mon Jul  6 22:17:19 1998  Alasdair Baird	<alasdair@wildcat.demon.co.uk>
 
 	* jump.c (jump_optimize) Check for CONST_INT before using INTVAL.

gcc/config/m68k/m68k.c

@@ -1059,12 +1059,26 @@ output_scc_di(op, operand1, operand2, dest)
     output_asm_insn ("cmp%.l %2,%0\n\tjne %l4\n\tcmp%.l %3,%1", loperands);
 #endif
 #endif
-  else
+  else if (TARGET_68020 || TARGET_5200)
 #ifdef MOTOROLA
     output_asm_insn ("tst%.l %0\n\tjbne %l4\n\ttst%.l %1", loperands);
 #else
     output_asm_insn ("tst%.l %0\n\tjne %l4\n\ttst%.l %1", loperands);
 #endif
+  else
+#ifdef MOTOROLA
+#ifdef SGS_CMP_ORDER
+    output_asm_insn ("cmp%.w %0,%#0\n\tjbne %l4\n\tcmp%.w %1,%#0", loperands);
+#else
+    output_asm_insn ("cmp%.w %#0,%0\n\tjbne %l4\n\tcmp%.w %#0,%1", loperands);
+#endif
+#else
+#ifdef SGS_CMP_ORDER
+    output_asm_insn ("cmp%.w %0,%#0\n\tjne %l4\n\tcmp%.w %1,%#0", loperands);
+#else
+    output_asm_insn ("cmp%.w %#0,%0\n\tjne %l4\n\tcmp%.w %#0,%1", loperands);
+#endif
+#endif
   loperands[5] = dest;
   
   switch (op_code)