From: Eric Botcazou <ebotcazou@libertysurf.fr>
Date: Sun, 29 Jun 2003 08:31:52 +0000 (+0200)
Subject: re PR rtl-optimization/11210 (optimizer drops conditional with typecast from signed... 
X-Git-Tag: releases/gcc-3.4.0~5354
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=df7fb8f96876acbd6ff0ea802ac985721076503b;p=thirdparty%2Fgcc.git

re PR rtl-optimization/11210 (optimizer drops conditional with typecast from signed to unsigned char)

	PR optimization/11210
	* fold-const (decode_field_reference): Revert 2003-06-26 patch.

From-SVN: r68662
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f6300e7e487e..4692b8f1e426 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2003-06-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
+
+	PR optimization/11210
+	* fold-const (decode_field_reference): Revert 2003-06-26 patch.
+
 2003-06-29  Neil Booth  <neil@daikokuya.co.uk>
 
 	* toplev.c (flag_dummy): Remove.
diff --git a/gcc/fold-const.c b/gcc/fold-const.c
index b160a4ea0ebe..b35d733e220c 100644
--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -2742,8 +2742,7 @@ decode_field_reference (exp, pbitsize, pbitpos, pmode, punsignedp,
   if (! INTEGRAL_TYPE_P (TREE_TYPE (exp)))
     return 0;
 
-  /* Signedness matters here.  */
-  STRIP_SIGN_NOPS (exp);
+  STRIP_NOPS (exp);
 
   if (TREE_CODE (exp) == BIT_AND_EXPR)
     {