re PR rtl-optimization/11210 (optimizer drops conditional with typecast from signed...

	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 f6300e7e487e8a7a5b33bd47029759b5cb7ee941..4692b8f1e42621ca841ca17bebaa863aecc557b4 100644 (file)
--- 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 b160a4ea0ebe76cd187f174ef6911e092303d7fd..b35d733e220c6cc6d10d047b8a944dbfc968c1d4 100644 (file)
--- 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)
     {