(emit_move_insn_1): When doing multi-word move, show output is

clobbered.

From-SVN: r10427

diff --git a/gcc/expr.c b/gcc/expr.c
index d09e6fae418e4fdc683aa27327161959bd6c4e0b..cb026410381bc322f6d556f5c3d301670da5daa1 100644 (file)
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -1982,6 +1982,9 @@ emit_move_insn_1 (x, y)
        }
 #endif
                             
+      /* Show the output dies here.  */
+      emit_insn (gen_rtx (CLOBBER, VOIDmode, x));
+
       for (i = 0;
           i < (GET_MODE_SIZE (mode)  + (UNITS_PER_WORD - 1)) / UNITS_PER_WORD;
           i++)