linux/arch/c6x/lib/negll.S

32 lines
1.0 KiB
ArmAsm

;; 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)