;; SPDX-License-Identifier: GPL-2.0-or-later | |
;; Copyright (C) 2010 Texas Instruments Incorporated | |
;; Contributed by Mark Salter <msalter@redhat.com>. | |
;; | |
;; uint64_t __c6xabi_llshr(uint64_t val, uint shift) | |
#include <linux/linkage.h> | |
.text | |
ENTRY(__c6xabi_llshr) | |
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] shr .s1 A5,A4,A4 | |
|| [A2] or .d1 A4,A0,A4 | |
[!A2] shr .s1 A5,0x1f,A5 | |
[A2] shr .s1 A5,A1,A5 | |
bnop .s2 B3,5 | |
ENDPROC(__c6xabi_llshr) |