[PATCH] [MIPS] fix mips_prepend insn.

[Liu]

Hi all

This is the bugfix patch for mips_prepend, please review.


Jia Liu

diff --git a/gcc/config/mips/mips-dspr2.md b/gcc/config/mips/mips-dspr2.md
index 5ae902f..6853b9d 100644
--- a/gcc/config/mips/mips-dspr2.md
+++ b/gcc/config/mips/mips-dspr2.md
@@ -345,7 +345,7 @@
    (set_attr "mode"    "SI")])
 
 (define_insn "mips_prepend"
-  [(set (match_operand:SI 0 "register_operand" "=d")
+  [(set (match_operand:DI 0 "register_operand" "=d")
        (unspec:SI [(match_operand:SI 1 "register_operand" "0")
                    (match_operand:SI 2 "reg_or_0_operand" "dJ")
                    (match_operand:SI 3 "const_int_operand" "n")]
@@ -353,7 +353,7 @@
   "ISA_HAS_DSPR2"
 {
   if (INTVAL (operands[3]) & ~(unsigned HOST_WIDE_INT) 31)
-    operands[2] = GEN_INT (INTVAL (operands[2]) & 31);
+    operands[3] = GEN_INT (INTVAL (operands[3]) & 31);
   return "prepend\t%0,%z2,%3";
 }
   [(set_attr "type"    "arith")