Committed: Fix epiphany --enable-werror-always build errors

[Joern Rennecke]

2013-11-26  Joern Rennecke  <joern.renne...@embecosm.com>

        * config/epiphany/epiphany.c (epiphany_expand_prologue):
        Remove unused variable save_config.
        (epiphany_compute_frame_size): Avoid signed/unsigned comparison in
        assert.

Index: config/epiphany/epiphany.c
===================================================================
--- config/epiphany/epiphany.c  (revision 205386)
+++ config/epiphany/epiphany.c  (working copy)
@@ -1133,7 +1133,7 @@ epiphany_compute_frame_size (int size /*
       if (total_size + reg_size <= (unsigned) epiphany_stack_offset)
        {
          gcc_assert (first_slot < 0);
-         gcc_assert (reg_size == 0 || reg_size == epiphany_stack_offset);
+         gcc_assert (reg_size == 0 || (int) reg_size == epiphany_stack_offset);
          last_slot_offset = EPIPHANY_STACK_ALIGN (total_size + reg_size);
        }
       else
@@ -1694,7 +1694,6 @@ epiphany_expand_prologue (void)
   int interrupt_p;
   enum epiphany_function_type fn_type;
   rtx addr, mem, off, reg;
-  rtx save_config;
 
   if (!current_frame_info.initialized)
     epiphany_compute_frame_size (get_frame_size ());