aboutsummaryrefslogtreecommitdiffstats
path: root/tools/testing/selftests/arm64/fp/assembler.h
blob: 8944f2189206fdc94b622259b6281a4242190a83 (plain) (blame)
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
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
// SPDX-License-Identifier: GPL-2.0-only
// Copyright (C) 2015-2019 ARM Limited.
// Original author: Dave Martin <Dave.Martin@arm.com>

#ifndef ASSEMBLER_H
#define ASSEMBLER_H

.macro __for from:req, to:req
	.if (\from) == (\to)
		_for__body %\from
	.else
		__for \from, %(\from) + ((\to) - (\from)) / 2
		__for %(\from) + ((\to) - (\from)) / 2 + 1, \to
	.endif
.endm

.macro _for var:req, from:req, to:req, insn:vararg
	.macro _for__body \var:req
		.noaltmacro
		\insn
		.altmacro
	.endm

	.altmacro
	__for \from, \to
	.noaltmacro

	.purgem _for__body
.endm

.macro function name
	.macro endfunction
		.type \name, @function
		.purgem endfunction
	.endm
\name:
.endm

.macro define_accessor name, num, insn
	.macro \name\()_entry n
		\insn \n, 1
		ret
	.endm

function \name
	adr	x2, .L__accessor_tbl\@
	add	x2, x2, x0, lsl #3
	br	x2

.L__accessor_tbl\@:
	_for x, 0, (\num) - 1, \name\()_entry \x
endfunction

	.purgem \name\()_entry
.endm

#endif /* ! ASSEMBLER_H */