Merge remote-tracking branch 'asoc/for-5.10' into asoc-linus

1 files changed, 57 insertions, 0 deletions

diff --git a/tools/testing/selftests/arm64/fp/assembler.h b/tools/testing/selftests/arm64/fp/assembler.h
new file mode 100644
index 000000000000..8944f2189206
--- /dev/null
+++ b/tools/testing/selftests/arm64/fp/assembler.h
@@ -0,0 +1,57 @@
+// 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 */