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From: "hjl dot tools at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/35657] TDmode isn't aligned at 128bit when passing to a function
Date: Tue, 25 Mar 2008 00:42:00 -0000 [thread overview]
Message-ID: <20080325004212.21284.qmail@sourceware.org> (raw)
In-Reply-To: <bug-35657-682@http.gcc.gnu.org/bugzilla/>
------- Comment #3 from hjl dot tools at gmail dot com 2008-03-25 00:42 -------
This patch will align DFP to its natural boundary.
Index: gcc/config/i386/i386.c
===================================================================
--- gcc/config/i386/i386.c (revision 1917)
+++ gcc/config/i386/i386.c (working copy)
@@ -4609,7 +4609,8 @@ ix86_function_arg_boundary (enum machine
align = GET_MODE_ALIGNMENT (mode);
if (align < PARM_BOUNDARY)
align = PARM_BOUNDARY;
- if (!TARGET_64BIT)
+ /* Decimal floating point is aligned to its natural boundary. */
+ if (!TARGET_64BIT && !VALID_DFP_MODE_P (mode))
{
/* i386 ABI defines all arguments to be 4 byte aligned. We have to
make an exception for SSE modes since these require 128bit
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35657
next prev parent reply other threads:[~2008-03-25 0:42 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-21 17:43 [Bug target/35657] New: " hjl dot tools at gmail dot com
2008-03-21 20:54 ` [Bug target/35657] " ubizjak at gmail dot com
2008-03-22 0:27 ` hjl dot tools at gmail dot com
2008-03-25 0:42 ` hjl dot tools at gmail dot com [this message]
2008-03-27 18:53 ` hjl at gcc dot gnu dot org
2008-03-27 18:57 ` hjl at gcc dot gnu dot org
2008-03-27 19:06 ` hjl dot tools at gmail dot com
2008-04-29 18:07 ` [Bug target/35657] [4.3] " ubizjak at gmail dot com
2008-04-29 18:07 ` ubizjak at gmail dot com
2008-04-29 18:44 ` [Bug target/35657] [4.3] Alignments of DFP types aren't consistent hjl dot tools at gmail dot com
2008-04-30 20:56 ` hjl dot tools at gmail dot com
2008-05-01 14:15 ` [Bug target/35657] " hjl dot tools at gmail dot com
2008-05-05 22:50 ` hjl dot tools at gmail dot com
2008-05-06 15:42 ` hjl at gcc dot gnu dot org
2008-05-08 19:12 ` hjl at gcc dot gnu dot org
2008-05-08 19:13 ` hjl dot tools at gmail dot com
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