File: llshl.S

package info (click to toggle)
linux 5.10.46-4
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,191,996 kB
  • sloc: ansic: 19,502,768; asm: 263,759; sh: 73,960; makefile: 44,724; perl: 34,644; python: 32,387; cpp: 6,070; yacc: 4,755; lex: 2,742; awk: 1,214; ruby: 25; sed: 5
file content (25 lines) | stat: -rw-r--r-- 601 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
;; SPDX-License-Identifier: GPL-2.0-or-later
;;  Copyright (C) 2010 Texas Instruments Incorporated
;;  Contributed by Mark Salter <msalter@redhat.com>.
;;

;;  uint64_t __c6xabi_llshl(uint64_t val, uint shift)

#include <linux/linkage.h>

	.text
ENTRY(__c6xabi_llshl)
	 mv	.l1x	B4,A1
   [!A1] b	.s2	B3		; just return if zero shift
	 mvk	.s1	32,A0
	 sub	.d1	A0,A1,A0
	 cmplt	.l1	0,A0,A2
   [A2]	 shru	.s1	A4,A0,A0
   [!A2] neg	.l1	A0,A5
|| [A2]  shl	.s1	A5,A1,A5
   [!A2] shl	.s1	A4,A5,A5
|| [A2]  or	.d1	A5,A0,A5
|| [!A2] mvk	.l1	0,A4
   [A2]	 shl	.s1	A4,A1,A4
	 bnop	.s2	B3,5
ENDPROC(__c6xabi_llshl)