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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-01-27 17:14:02 +0100
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-01-27 17:14:02 +0100
commit6c02b7b1610f873888af20f291c07730889ff0f9 (patch)
tree1b33e6642cc81605b8d37c0bda0abff0ba64fa2d /arch/c6x/lib/llshru.S
parentx86: xen: size struct xen_spinlock to always fit in arch_spinlock_t (diff)
parentLinux 3.3-rc1 (diff)
downloadlinux-6c02b7b1610f873888af20f291c07730889ff0f9.tar.xz
linux-6c02b7b1610f873888af20f291c07730889ff0f9.zip
Merge commit 'v3.3-rc1' into stable/for-linus-fixes-3.3
* commit 'v3.3-rc1': (9775 commits) Linux 3.3-rc1 x86, syscall: Need __ARCH_WANT_SYS_IPC for 32 bits qnx4: don't leak ->BitMap on late failure exits qnx4: reduce the insane nesting in qnx4_checkroot() qnx4: di_fname is an array, for crying out loud... KEYS: Permit key_serial() to be called with a const key pointer keys: fix user_defined key sparse messages ima: fix cred sparse warning uml: fix compile for x86-64 MPILIB: Add a missing ENOMEM check tpm: fix (ACPI S3) suspend regression nvme: fix merge error due to change of 'make_request_fn' fn type xen: using EXPORT_SYMBOL requires including export.h gpio: tps65910: Use correct offset for gpio initialization acpi/apei/einj: Add extensions to EINJ from rev 5.0 of acpi spec intel_idle: Split up and provide per CPU initialization func ACPI processor: Remove unneeded variable passed by acpi_processor_hotadd_init V2 tg3: Fix single-vector MSI-X code openvswitch: Fix multipart datapath dumps. ipv6: fix per device IP snmp counters ...
Diffstat (limited to 'arch/c6x/lib/llshru.S')
-rw-r--r--arch/c6x/lib/llshru.S38
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/c6x/lib/llshru.S b/arch/c6x/lib/llshru.S
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+++ b/arch/c6x/lib/llshru.S
@@ -0,0 +1,38 @@
+;; 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.
+
+;; uint64_t __c6xabi_llshru(uint64_t val, uint shift)
+
+#include <linux/linkage.h>
+
+ .text
+ENTRY(__c6xabi_llshru)
+ mv .l1x B4,A1
+ [!A1] b .s2 B3 ; return if zero shift count
+ mvk .s1 32,A0
+ sub .d1 A0,A1,A0
+ cmplt .l1 0,A0,A2
+ [A2] shl .s1 A5,A0,A0
+ nop
+ [!A2] neg .l1 A0,A4
+|| [A2] shru .s1 A4,A1,A4
+ [!A2] shru .s1 A5,A4,A4
+|| [A2] or .d1 A4,A0,A4
+|| [!A2] mvk .l1 0,A5
+ [A2] shru .s1 A5,A1,A5
+ bnop .s2 B3,5
+ENDPROC(__c6xabi_llshru)