1/*
2Copyright (c) 1990 The Regents of the University of California.
3All rights reserved.
4
5Redistribution and use in source and binary forms are permitted
6provided that the above copyright notice and this paragraph are
7duplicated in all such forms and that any documentation,
8and/or other materials related to such
9distribution and use acknowledge that the software was developed
10by the University of California, Berkeley.  The name of the
11University may not be used to endorse or promote products derived
12from this software without specific prior written permission.
13THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16 */
17#include <picolibc.h>
18
19	.file "memcmp.S"
20
21	.section .text
22	.global _memcmp
23	.type	 _memcmp,@function
24_memcmp:
25	movm [d2,d3,a2,a3],(sp)
26.Lend_of_prologue:
27	mov d0,a0
28	mov d1,a1
29	mov (28,sp),a2
30#ifndef __OPTIMIZE_SIZE__
31	cmp 3,a2
32	bls .L22
33	mov a1,d2
34	or d2,d0
35	btst 3,d0
36	bne .L22
37	setlb
38	mov (a0),d1
39	mov (a1),d0
40	cmp d0,d1
41	bne .L22
42	inc4 a0
43	inc4 a1
44	add -4,a2
45	cmp 3,a2
46	lhi
47.L22:
48#endif
49	cmp 0,a2
50	beq .L24
51	setlb
52	movbu (a0),d3
53	movbu (a1),d2
54	cmp d2,d3
55	beq .L23
56	mov d3,d0
57	sub d2,d0
58	jmp .Lepilogue
59.L23:
60	inc a0
61	inc a1
62	sub 1,a2
63	lne
64.L24:
65	clr d0
66.Lepilogue:
67	ret [d2,d3,a2,a3],16
68.Lend_of_func:
69	.size	 _memcmp, .Lend_of_func - _memcmp
70
71	.section	.debug_frame,"",@progbits
72.Lstart_of_debug_frame:
73	# Common Information Entry (CIE)
74	.4byte	.Lend_of_CIE - .Lstart_of_CIE	# CIE Length
75.Lstart_of_CIE:
76	.4byte	 0xffffffff			# CIE Identifier Tag
77	.byte	 0x1				# CIE Version
78	.ascii   "\0"				# CIE Augmentation
79	.uleb128 0x1				# CIE Code Alignment Factor
80	.sleb128 -4				# CIE Data Alignment Factor
81	.byte	 0x32				# CIE RA Column
82	.byte	 0xc				# DW_CFA_def_cfa
83	.uleb128 0x9
84	.uleb128 0x0
85	.byte	 0xb2				# DW_CFA_offset, column 0x32
86	.uleb128 0x0
87	.align   2
88.Lend_of_CIE:
89
90	# Frame Description Entry (FDE)
91	.4byte	.Lend_of_FDE - .Lstart_of_FDE	# FDE Length
92.Lstart_of_FDE:
93	.4byte	 .Lstart_of_debug_frame		# FDE CIE offset
94	.4byte	 _memcmp			# FDE initial location
95	.4byte	 .Lend_of_func - _memcmp	# FDE address range
96	.byte	 0x4				# DW_CFA_advance_loc4
97	.4byte	 .Lend_of_prologue - _memcmp
98	.byte	 0xe				# DW_CFA_def_cfa_offset
99	.uleb128 0x4
100	.byte	 0x87				# DW_CFA_offset, column 0x7
101	.uleb128 0x1
102	.align 2
103.Lend_of_FDE:
104