From: DJ Delorie <dj@redhat.com>
Date: Wed, 23 Mar 2005 03:04:10 +0000 (-0500)
Subject: optabs.c (expand_binop): Make sure the first subword's result gets stored.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=06cd9d722014967a0769f4771edf4a3f3953b087;p=gcc.git

optabs.c (expand_binop): Make sure the first subword's result gets stored.

* optabs.c (expand_binop): Make sure the first subword's result
gets stored.

From-SVN: r96921
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8f354b5cf2f..61dc2dd4c5c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2005-03-23  DJ Delorie  <dj@redhat.com>
+
+	* optabs.c (expand_binop): Make sure the first subword's result
+	gets stored.
+
 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
 
 	* c-common.c (c_common_truthvalue_conversion): Adjust comment.
diff --git a/gcc/optabs.c b/gcc/optabs.c
index 57c3339437b..2a792857fa1 100644
--- a/gcc/optabs.c
+++ b/gcc/optabs.c
@@ -1534,6 +1534,11 @@ expand_binop (enum machine_mode mode, optab binoptab, rtx op0, rtx op1,
 		}
 	      emit_move_insn (target_piece, newx);
 	    }
+	  else
+	    {
+	      if (x != target_piece)
+		emit_move_insn (target_piece, x);
+	    }
 
 	  carry_in = carry_out;
 	}