summaryrefslogtreecommitdiff
path: root/arch/c6x/lib/negll.S
diff options
context:
space:
mode:
authorAurelien Jacquiot <a-jacquiot@ti.com>2011-10-04 15:15:51 (GMT)
committerMark Salter <msalter@redhat.com>2011-10-06 23:48:23 (GMT)
commit09831ca73443bd819ad7993db5409b19c899ba33 (patch)
tree4558fb0a5e0e1fcd8582be2155cd9c7498e429db /arch/c6x/lib/negll.S
parenta7f626c1948ab6178d2338831c5ffea7385e9f7f (diff)
downloadlinux-fsl-qoriq-09831ca73443bd819ad7993db5409b19c899ba33.tar.xz
C6X: library code
Original port to early 2.6 kernel using TI COFF toolchain. Brought up to date by Mark Salter <msalter@redhat.com> Signed-off-by: Aurelien Jacquiot <a-jacquiot@ti.com> Signed-off-by: Mark Salter <msalter@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/c6x/lib/negll.S')
-rw-r--r--arch/c6x/lib/negll.S31
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/c6x/lib/negll.S b/arch/c6x/lib/negll.S
new file mode 100644
index 0000000..82f4bce
--- /dev/null
+++ b/arch/c6x/lib/negll.S
@@ -0,0 +1,31 @@
+;; Copyright (C) 2010 Texas Instruments Incorporated
+;; Contributed by Mark Salter <msalter@redhat.com>.
+;;
+;; This program is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 2 of the License, or
+;; (at your option) any later version.
+;;
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;; GNU General Public License for more details.
+;;
+;; You should have received a copy of the GNU General Public License
+;; along with this program; if not, write to the Free Software
+;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+;; int64_t __c6xabi_negll(int64_t val)
+
+#include <linux/linkage.h>
+
+ .text
+ENTRY(__c6xabi_negll)
+ b .s2 B3
+ mvk .l1 0,A0
+ subu .l1 A0,A4,A3:A2
+ sub .l1 A0,A5,A0
+|| ext .s1 A3,24,24,A5
+ add .l1 A5,A0,A5
+ mv .s1 A2,A4
+ENDPROC(__c6xabi_negll)