From: Jeff Law <law@gcc.gnu.org>
Date: Tue, 29 Nov 1994 05:44:19 +0000 (-0700)
Subject: expr.c (expand_assignment): For BLKmode structure returns...
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=aaf87c453b384b20e54af789db76ce14021dbfdd;p=gcc.git

expr.c (expand_assignment): For BLKmode structure returns...

	* expr.c (expand_assignment): For BLKmode structure returns,
	copy the return value from registers into the target memory
	locations.

From-SVN: r8575
---

diff --git a/gcc/expr.c b/gcc/expr.c
index d3726923f3d..57bf2ea4012 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -2549,7 +2549,14 @@ expand_assignment (to, from, want_value, suggest_reg)
       value = expand_expr (from, NULL_RTX, VOIDmode, 0);
       if (to_rtx == 0)
 	to_rtx = expand_expr (to, NULL_RTX, VOIDmode, 0);
-      emit_move_insn (to_rtx, value);
+
+      if (GET_MODE (to_rtx) == BLKmode)
+	{
+	  int align = MIN (TYPE_ALIGN (TREE_TYPE (from)), BITS_PER_WORD);
+	  emit_block_move (to_rtx, value, expr_size (from), align);
+	}
+      else
+	emit_move_insn (to_rtx, value);
       preserve_temp_slots (to_rtx);
       free_temp_slots ();
       pop_temp_slots ();