target-insns.def (movstr): New pattern.

gcc/
	* target-insns.def (movstr): New pattern.
	* builtins.c (HAVE_movstr, CODE_FOR_movstr): Delete.
	(expand_movstr): Use targetm rather than HAVE_movstr/
	CODE_FOR_movstr.

From-SVN: r227121

gcc/ChangeLog

 2015-08-24  Richard Sandiford  <richard.sandiford@arm.com>
 
+	* target-insns.def (movstr): New pattern.
+	* builtins.c (HAVE_movstr, CODE_FOR_movstr): Delete.
+	(expand_movstr): Use targetm rather than HAVE_movstr/
+	CODE_FOR_movstr.
+
+2015-08-24  Richard Sandiford  <richard.sandiford@arm.com>
+
 	* config/microblaze/microblaze.c (microblaze_classify_unspec): Fix
 	cast syntax.
 

gcc/builtins.c

@@ -3438,11 +3438,6 @@ expand_builtin_mempcpy_args (tree dest, tree src, tree len,
     }
 }
 
-#ifndef HAVE_movstr
-# define HAVE_movstr 0
-# define CODE_FOR_movstr CODE_FOR_nothing
-#endif
-
 /* Expand into a movstr instruction, if one is available.  Return NULL_RTX if
    we failed, the caller should emit a normal call, otherwise try to
    get the result in TARGET, if convenient.  If ENDP is 0 return the
@@ -3457,7 +3452,7 @@ expand_movstr (tree dest, tree src, rtx target, int endp)
   rtx dest_mem;
   rtx src_mem;
 
-  if (!HAVE_movstr)
+  if (!targetm.have_movstr ())
     return NULL_RTX;
 
   dest_mem = get_memory_rtx (dest, NULL);
@@ -3471,7 +3466,7 @@ expand_movstr (tree dest, tree src, rtx target, int endp)
   create_output_operand (&ops[0], endp ? target : NULL_RTX, Pmode);
   create_fixed_operand (&ops[1], dest_mem);
   create_fixed_operand (&ops[2], src_mem);
-  if (!maybe_expand_insn (CODE_FOR_movstr, 3, ops))
+  if (!maybe_expand_insn (targetm.code_for_movstr, 3, ops))
     return NULL_RTX;
 
   if (endp && target != const0_rtx)

gcc/target-insns.def

@@ -53,6 +53,7 @@ DEF_TARGET_INSN (load_multiple, (rtx x0, rtx x1, rtx x2))
 DEF_TARGET_INSN (mem_signal_fence, (rtx x0))
 DEF_TARGET_INSN (mem_thread_fence, (rtx x0))
 DEF_TARGET_INSN (memory_barrier, (void))
+DEF_TARGET_INSN (movstr, (rtx x0, rtx x1, rtx x2))
 DEF_TARGET_INSN (nonlocal_goto, (rtx x0, rtx x1, rtx x2, rtx x3))
 DEF_TARGET_INSN (nonlocal_goto_receiver, (void))
 DEF_TARGET_INSN (prefetch, (rtx x0, rtx x1, rtx x2))