[committed] sh and riscv fixes for move_by_pieces change

[Jeff Law]

sh and riscv this time.  Sigh.  Hopefully that's all the ports... These
will also test via bootstraps during the day.


Committed.

Jeff

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index fe8f6dc6ad7..96215ee5cd7 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,11 @@
 2018-11-27  Jeff Law  <l...@redhat.com>
 
+       * config/riscv/riscv (riscv_block_mvoe_straight): Use RETURN_BEGIN
+       in call to move_by_pieces.
+
+       * config/sh/sh-mem.c (expand_block_move): Use RETURN_BEGIN in call
+       to move_by_pieces.
+
        * config/lm32/lm32.c (lm32_block_move_inline): Use RETURN_BEGIN in
        call to move_by_pieces.
 
diff --git a/gcc/config/riscv/riscv.c b/gcc/config/riscv/riscv.c
index 47d0b6e849e..7c1319e36de 100644
--- a/gcc/config/riscv/riscv.c
+++ b/gcc/config/riscv/riscv.c
@@ -2882,7 +2882,7 @@ riscv_block_move_straight (rtx dest, rtx src, 
HOST_WIDE_INT length)
       src = adjust_address (src, BLKmode, offset);
       dest = adjust_address (dest, BLKmode, offset);
       move_by_pieces (dest, src, length - offset,
-                     MIN (MEM_ALIGN (src), MEM_ALIGN (dest)), 0);
+                     MIN (MEM_ALIGN (src), MEM_ALIGN (dest)), RETURN_BEGIN);
     }
 }
 
diff --git a/gcc/config/sh/sh-mem.cc b/gcc/config/sh/sh-mem.cc
index efa958e7939..113cb8e04cd 100644
--- a/gcc/config/sh/sh-mem.cc
+++ b/gcc/config/sh/sh-mem.cc
@@ -91,7 +91,7 @@ expand_block_move (rtx *operands)
        move_by_pieces (adjust_address (dest, BLKmode, copied),
                        adjust_automodify_address (src, BLKmode,
                                                   src_addr, copied),
-                       bytes - copied, align, 0);
+                       bytes - copied, align, RETURN_BEGIN);
 
       return true;
     }