2015-12-20 Andrew Pinsi <apinski@cavium.com>

        * config/aarch64/atomics.md
        (aarch64_atomic_<atomic_optab>_fetch<mode>_lse): Add early clobber
        to the scratch register.

From-SVN: r231864

gcc/ChangeLog

+2015-12-20  Andrew Pinsi  <apinski@cavium.com>
+
+	* config/aarch64/atomics.md
+	(aarch64_atomic_<atomic_optab>_fetch<mode>_lse): Add early clobber
+	to the scratch register.
+
 2015-12-20  Sujoy Saraswati  <sujoy.saraswati@hpe.com>
 
 	PR tree-optimization/61441

gcc/config/aarch64/atomics.md

@@ -428,7 +428,7 @@
        (match_dup 2)
        (match_operand:SI 3 "const_int_operand")]
       UNSPECV_ATOMIC_LDOP))
-     (clobber (match_scratch:ALLI 4 "=r"))]
+     (clobber (match_scratch:ALLI 4 "=&r"))]
   "TARGET_LSE"
   "#"
   "&& reload_completed"