From 1fd5360d19237707850e73a67840fe616b1b9bbe Mon Sep 17 00:00:00 2001
From: "J\"orn Rennecke" <joern.rennecke@st.com>
Date: Wed, 7 Dec 2005 23:49:43 +0000
Subject: * expr.c (force_operand): Use convert_to_mode for conversions.

From-SVN: r108196
---
 gcc/expr.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'gcc/expr.c')

diff --git a/gcc/expr.c b/gcc/expr.c
index aaca863..de66a0d 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -5867,8 +5867,20 @@ force_operand (rtx value, rtx target)
     }
   if (UNARY_P (value))
     {
+      int unsignedp = 0;
+
       op1 = force_operand (XEXP (value, 0), NULL_RTX);
-      return expand_simple_unop (GET_MODE (value), code, op1, target, 0);
+      switch (code)
+	{
+	case ZERO_EXTEND: case UNSIGNED_FIX: case UNSIGNED_FLOAT:
+	  unsignedp = 1;
+	  /* fall through.  */
+	case TRUNCATE:
+	case SIGN_EXTEND: case FIX: case FLOAT:
+	  return convert_to_mode (GET_MODE (value), op1, unsignedp);
+	default:
+	  return expand_simple_unop (GET_MODE (value), code, op1, target, 0);
+	}
     }
 
 #ifdef INSN_SCHEDULING
-- 
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