src/runtime/testdata/testprogcgo/goasm/x15_amd64.s - go.git - Git at Google

 // Copyright 2026 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.

 // func ReadX15() uint64
 TEXT ·ReadX15(SB), $0-8
 	MOVQ	X15, ret+0(FP)
 	RET
	// Copyright 2026 The Go Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style
	// license that can be found in the LICENSE file.

	// func ReadX15() uint64
	TEXT ·ReadX15(SB), $0-8
	MOVQ X15, ret+0(FP)
	RET