xref: /OK3568_Linux_fs/kernel/tools/testing/selftests/arm64/fp/assembler.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun // Copyright (C) 2015-2019 ARM Limited.
3*4882a593Smuzhiyun // Original author: Dave Martin <Dave.Martin@arm.com>
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun #ifndef ASSEMBLER_H
6*4882a593Smuzhiyun #define ASSEMBLER_H
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun .macro __for from:req, to:req
9*4882a593Smuzhiyun 	.if (\from) == (\to)
10*4882a593Smuzhiyun 		_for__body %\from
11*4882a593Smuzhiyun 	.else
12*4882a593Smuzhiyun 		__for \from, %(\from) + ((\to) - (\from)) / 2
13*4882a593Smuzhiyun 		__for %(\from) + ((\to) - (\from)) / 2 + 1, \to
14*4882a593Smuzhiyun 	.endif
15*4882a593Smuzhiyun .endm
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun .macro _for var:req, from:req, to:req, insn:vararg
18*4882a593Smuzhiyun 	.macro _for__body \var:req
19*4882a593Smuzhiyun 		.noaltmacro
20*4882a593Smuzhiyun 		\insn
21*4882a593Smuzhiyun 		.altmacro
22*4882a593Smuzhiyun 	.endm
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun 	.altmacro
25*4882a593Smuzhiyun 	__for \from, \to
26*4882a593Smuzhiyun 	.noaltmacro
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun 	.purgem _for__body
29*4882a593Smuzhiyun .endm
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun .macro function name
32*4882a593Smuzhiyun 	.macro endfunction
33*4882a593Smuzhiyun 		.type \name, @function
34*4882a593Smuzhiyun 		.purgem endfunction
35*4882a593Smuzhiyun 	.endm
36*4882a593Smuzhiyun \name:
37*4882a593Smuzhiyun .endm
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun .macro define_accessor name, num, insn
40*4882a593Smuzhiyun 	.macro \name\()_entry n
41*4882a593Smuzhiyun 		\insn \n, 1
42*4882a593Smuzhiyun 		ret
43*4882a593Smuzhiyun 	.endm
44*4882a593Smuzhiyun 
45*4882a593Smuzhiyun function \name
46*4882a593Smuzhiyun 	adr	x2, .L__accessor_tbl\@
47*4882a593Smuzhiyun 	add	x2, x2, x0, lsl #3
48*4882a593Smuzhiyun 	br	x2
49*4882a593Smuzhiyun 
50*4882a593Smuzhiyun .L__accessor_tbl\@:
51*4882a593Smuzhiyun 	_for x, 0, (\num) - 1, \name\()_entry \x
52*4882a593Smuzhiyun endfunction
53*4882a593Smuzhiyun 
54*4882a593Smuzhiyun 	.purgem \name\()_entry
55*4882a593Smuzhiyun .endm
56*4882a593Smuzhiyun 
57*4882a593Smuzhiyun #endif /* ! ASSEMBLER_H */
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