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From: Xinyu Qi <xyqi@marvell.com>
To: "gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>
Date: Thu, 27 Dec 2012 02:31:00 -0000
Subject: [PATCH, ARM, iWMMXT] Fix define_constants for WCGR
Message-ID: <4737A960563B524DA805CA602BE04B30692E7CDD81@SC-VEXCH2.marvell.com>
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Hi,

  It is necessary to sync the constants WCGR0 to WCGR3 in iwmmxt.md
with the IWMMXT_GR_REGNUM in arm.h.

ChangeLog
	* config/arm/arm.h (FIRST_IWMMXT_GR_REGNUM): Add comment.
	* config/arm/iwmmxt.md (WCGR0, WCGR1): Update.
	* config/arm/iwmmxt.md (WCGR2, WCGR3): Likewise.

Index: config/arm/arm.h
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
--- config/arm/arm.h	(revision 194603)
+++ config/arm/arm.h	(working copy)
@@ -947,6 +947,8 @@
=20
 #define FIRST_IWMMXT_REGNUM	(LAST_HI_VFP_REGNUM + 1)
 #define LAST_IWMMXT_REGNUM	(FIRST_IWMMXT_REGNUM + 15)
+
+/* Need to sync with WCGR in iwmmxt.md.  */
 #define FIRST_IWMMXT_GR_REGNUM	(LAST_IWMMXT_REGNUM + 1)
 #define LAST_IWMMXT_GR_REGNUM	(FIRST_IWMMXT_GR_REGNUM + 3)
=20
Index: config/arm/iwmmxt.md
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
--- config/arm/iwmmxt.md	(revision 194603)
+++ config/arm/iwmmxt.md	(working copy)
@@ -19,12 +19,12 @@
 ;; along with GCC; see the file COPYING3.  If not see
 ;; <http://www.gnu.org/licenses/>.
=20
-;; Register numbers
+;; Register numbers. Need to sync with FIRST_IWMMXT_GR_REGNUM in arm.h
 (define_constants
-  [(WCGR0           43)
-   (WCGR1           44)
-   (WCGR2           45)
-   (WCGR3           46)
+  [(WCGR0           96)
+   (WCGR1           97)
+   (WCGR2           98)
+   (WCGR3           99)
   ]
 )


OK?

Thanks,
Xinyu