fix a regression between 4.8.2 and 4.8.3 by removing code

toolchain/gcc/patches/4.8.3/miscompile.microblaze

@@ -0,0 +1,22 @@
+diff -Nur gcc-4.8.3.orig/gcc/config/microblaze/microblaze.md gcc-4.8.3/gcc/config/microblaze/microblaze.md
+--- gcc-4.8.3.orig/gcc/config/microblaze/microblaze.md	2014-02-23 19:59:26.000000000 +0100
++++ gcc-4.8.3/gcc/config/microblaze/microblaze.md	2014-05-31 20:39:29.978608468 +0200
+@@ -1119,18 +1119,6 @@
+   }
+ )
+ 
+-;;Load and store reverse
+-(define_insn "movsi4_rev"
+-  [(set (match_operand:SI 0 "reg_or_mem_operand" "=r,Q")
+-        (bswap:SI (match_operand:SF 1 "reg_or_mem_operand" "Q,r")))]
+-  "TARGET_REORDER"
+-  "@
+-   lwr\t%0,%y1,r0
+-   swr\t%1,%y0,r0"
+-  [(set_attr "type"     "load,store")
+-  (set_attr "mode"      "SI")
+-  (set_attr "length"    "4,4")])
+-
+ ;; 32-bit floating point moves
+ 
+ (define_expand "movsf"