2019-05-27 14:55:05 +08:00
|
|
|
;; SPDX-License-Identifier: GPL-2.0-or-later
|
2011-10-04 23:15:51 +08:00
|
|
|
;; Copyright (C) 2010 Texas Instruments Incorporated
|
|
|
|
|
;; Contributed by Mark Salter <msalter@redhat.com>.
|
|
|
|
|
;;
|
|
|
|
|
|
|
|
|
|
;; 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)
|
