Fix trivial spu goof

[Jeff Law]

spu.md's floatunsdidf2 pattern has an unused local variable that 
prevents the port from building with config-list.mk.

This patch removes the unused local variable.  Installing on the trunk.

Jeff
commit c418b1aeb420bbce4f4d767bc1adc83a6009398c
Author: law <law@138bc75d-0d04-0410-961f-82ee72b054a4>
Date:   Wed Nov 23 22:17:29 2016 +0000

        * config/spu/spu.md (floatunsdidf2): Remove unused local variable.
    
    git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@242807 
138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 40fec3d..23f2c16 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2016-11-23  Jeff Law  <l...@redhat.com>
+
+       * config/spu/spu.md (floatunsdidf2): Remove unused local variable.
+
 2016-11-23  Jakub Kicinski  <jakub.kicin...@netronome.com>
 
        * doc/extend.texi: Constify first argument to __builtin_object_size.
diff --git a/gcc/config/spu/spu.md b/gcc/config/spu/spu.md
index 1061cb8..1337344 100644
--- a/gcc/config/spu/spu.md
+++ b/gcc/config/spu/spu.md
@@ -939,7 +939,7 @@
         (unsigned_float:DF (match_operand:DI 1 "register_operand"   "r")))]
   ""
   "{
-    rtx value, insns;
+    rtx value;
     rtx c0 = spu_const_from_ints (V16QImode, 0x02031011, 0x12138080, 
                                              0x06071415, 0x16178080);
     rtx c1 = spu_const_from_ints (V4SImode, 1023+63, 1023+31, 0, 0);