rs6000.md: Add missing int register target case to movdf_low.

       * config/rs6000/rs6000.md: Add missing int register
        target case to movdf_low.

From-SVN: r48653

gcc/ChangeLog

+2002-01-08  Dale Johannesen  <dalej@apple.com>
+
+	* config/rs6000/rs6000.md: Add missing int register
+	target case to movdf_low.
+
 2002-01-08  Zack Weinberg  <zack@codesourcery.com>
 
 	* Makefile.in (cs-tconfig.h): Don't depend on $(CONFIG_H) or

gcc/config/rs6000/rs6000.md

@@ -7590,13 +7590,35 @@
    (set_attr "length" "4")])
 
 (define_insn "movdf_low"
-  [(set (match_operand:DF 0 "gpc_reg_operand" "=f")
-        (mem:DF (lo_sum:SI (match_operand:SI 1 "register_operand" "b")
+  [(set (match_operand:DF 0 "gpc_reg_operand" "=f,!r")
+        (mem:DF (lo_sum:SI (match_operand:SI 1 "register_operand" "b,b")
                            (match_operand 2 "" ""))))]
   "TARGET_MACHO && TARGET_HARD_FLOAT && ! TARGET_64BIT"
-  "lfd %0,lo16(%2)(%1)"
+  "*
+{
+  switch (which_alternative)
+    {
+      case 0:
+	return \"lfd %0,lo16(%2)(%1)\";
+      case 1:
+	{
+	  rtx operands2[4];
+	  operands2[0] = operands[0];
+	  operands2[1] = operands[1];
+	  operands2[2] = operands[2];
+	  operands2[3] = gen_rtx_REG (SImode, PIC_OFFSET_TABLE_REGNUM);
+	  output_asm_insn (\"{l|lwz} %0,lo16(%2)(%1)\", operands);
+	  /* We cannot rely on ha16(low half)==ha16(high half), alas,
+	     although in practice it almost always is.  */
+	  output_asm_insn (\"{cau|addis} %L0,%3,ha16(%2+4)\", operands2);
+	  return (\"{l|lwz} %L0,lo16(%2+4)(%L0)\");
+	}
+      default:
+	abort();
+    }
+}"
   [(set_attr "type" "load")
-   (set_attr "length" "4")])
+   (set_attr "length" "4,12")])
 
 (define_insn "movdf_low_st"
   [(set (mem:DF (lo_sum:SI (match_operand:SI 1 "register_operand" "b")