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From: "dje at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/28170] [4.1/4.2 Regression] Wrong result after swap byte in one word when compiled in 64-bit mode
Date: Tue, 27 Jun 2006 01:42:00 -0000 [thread overview]
Message-ID: <20060627014013.24355.qmail@sourceware.org> (raw)
In-Reply-To: <bug-28170-5233@http.gcc.gnu.org/bugzilla/>
------- Comment #7 from dje at gcc dot gnu dot org 2006-06-27 01:40 -------
I think the correct test is something like
Index: rs6000.c
===================================================================
--- rs6000.c (revision 115003)
+++ rs6000.c (working copy)
@@ -9794,8 +9794,8 @@
&& INTVAL (startop) > 32
&& (INTVAL (sizeop) + INTVAL (startop) < 64)
&& (INTVAL (sizeop) + INTVAL (startop) > 33)
- && (INTVAL (sizeop) + INTVAL (startop) + INTVAL (shiftop) < 96)
- && (INTVAL (sizeop) + INTVAL (startop) + INTVAL (shiftop) >= 64)
+ && (INTVAL (sizeop) + INTVAL (startop) + INTVAL (shiftop) < 64)
+ && (INTVAL (sizeop) + INTVAL (startop) + INTVAL (shiftop) >=32)
&& (64 - (INTVAL (shiftop) & 63)) >= INTVAL (sizeop))
return 1;
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28170
next prev parent reply other threads:[~2006-06-27 1:40 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-26 18:43 [Bug regression/28170] New: " bergner at vnet dot ibm dot com
2006-06-26 18:44 ` [Bug regression/28170] " bergner at vnet dot ibm dot com
2006-06-26 18:49 ` bergner at vnet dot ibm dot com
2006-06-26 18:51 ` bergner at vnet dot ibm dot com
2006-06-26 18:52 ` [Bug rtl-optimization/28170] " dje at gcc dot gnu dot org
2006-06-26 18:54 ` [Bug target/28170] [4.1/4.2 Regression] " pinskia at gcc dot gnu dot org
2006-06-26 20:46 ` pinskia at gcc dot gnu dot org
2006-06-27 1:40 ` dje at gcc dot gnu dot org
2006-06-27 1:42 ` dje at gcc dot gnu dot org [this message]
2006-06-27 1:44 ` amodra at bigpond dot net dot au
2006-06-27 1:53 ` amodra at bigpond dot net dot au
2006-07-06 14:32 ` bergner at vnet dot ibm dot com
2006-07-06 14:37 ` dje at gcc dot gnu dot org
2006-07-06 18:00 ` bergner at vnet dot ibm dot com
2006-07-06 19:00 ` dje at gcc dot gnu dot org
2006-07-09 0:34 ` steven at gcc dot gnu dot org
2006-07-10 7:21 ` [Bug target/28170] [4.1 " pinskia at gcc dot gnu dot org
2006-07-26 20:22 ` dje at gcc dot gnu dot org
2006-07-26 20:28 ` dje at gcc dot gnu dot org
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