re PR target/57431 (ICE in simplify_const_unary_operation vld1_dup_s64/vst1_s64)

	PR target/57431
	* arm/neon.md (neon_vld1_dupdi): New expand pattern.
	(neon_vld1_dup<mode> VD iterator): Iterate over VD not VDX.

From-SVN: r201599

gcc/ChangeLog

 2013-08-08  Richard Earnshaw  <rearnsha@arm.com>
 
+	PR target/57431
+	* arm/neon.md (neon_vld1_dupdi): New expand pattern.
+	(neon_vld1_dup<mode> VD iterator): Iterate over VD not VDX.
+
+2013-08-08  Richard Earnshaw  <rearnsha@arm.com>
+
 	PR target/56979
 	* arm.c (aapcs_vfp_allocate): Decompose the argument if the
 	suggested mode for the assignment isn't compatible with the

gcc/config/arm/neon.md

@@ -4593,19 +4593,20 @@
 )
 
 (define_insn "neon_vld1_dup<mode>"
-  [(set (match_operand:VDX 0 "s_register_operand" "=w")
-        (vec_duplicate:VDX (match_operand:<V_elem> 1 "neon_struct_operand" "Um")))]
+  [(set (match_operand:VD 0 "s_register_operand" "=w")
+        (vec_duplicate:VD (match_operand:<V_elem> 1 "neon_struct_operand" "Um")))]
   "TARGET_NEON"
-{
-  if (GET_MODE_NUNITS (<MODE>mode) > 1)
-    return "vld1.<V_sz_elem>\t{%P0[]}, %A1";
-  else
-    return "vld1.<V_sz_elem>\t%h0, %A1";
-}
-  [(set (attr "neon_type")
-      (if_then_else (gt (const_string "<V_mode_nunits>") (const_string "1"))
-                    (const_string "neon_vld2_2_regs_vld1_vld2_all_lanes")
-                    (const_string "neon_vld1_1_2_regs")))]
+  "vld1.<V_sz_elem>\t{%P0[]}, %A1"
+  [(set_attr "neon_type" "neon_vld2_2_regs_vld1_vld2_all_lanes")]
+)
+
+;; Special case for DImode.  Treat it exactly like a simple load.
+(define_expand "neon_vld1_dupdi"
+  [(set (match_operand:DI 0 "s_register_operand" "")
+        (unspec:DI [(match_operand:DI 1 "neon_struct_operand" "")]
+		   UNSPEC_VLD1))]
+  "TARGET_NEON"
+  ""
 )
 
 (define_insn "neon_vld1_dup<mode>"