re PR middle-end/13779 ([3.4 only] powerpc64: incorrect initialization of 'long…

re PR middle-end/13779 ([3.4 only] powerpc64: incorrect initialization of 'long long' with constant)

PR middle-end/13779
split constant correctly into register components of PARALLEL insn.
OKed by Roger Sayle.

From-SVN: r76649

gcc/expr.c

@@ -1919,6 +1919,9 @@ emit_group_load (rtx dst, rtx orig_src, tree type ATTRIBUTE_UNUSED, int ssize)
 	  emit_move_insn (mem, src);
 	  tmps[i] = adjust_address (mem, mode, (int) bytepos);
 	}
+      else if (CONSTANT_P (src) && GET_MODE (dst) != BLKmode
+               && XVECLEN (dst, 0) > 1)
+        tmps[i] = simplify_gen_subreg (mode, src, GET_MODE(dst), bytepos);
       else if (CONSTANT_P (src)
 	       || (GET_CODE (src) == REG && GET_MODE (src) == mode))
 	tmps[i] = src;