// Copyright (c) 2026 Petr Balvín <opensource@petrbalvin.org> (https://petrbalvin.org)
// SPDX-License-Identifier: BSD-3-Clause

#include "textflag.h"

// func cleanAdd(a, b int64) int64
// A well-behaved function that preserves the goroutine pointer.
TEXT ·cleanAdd(SB), NOSPLIT, $0-24
	MOVV a+0(FP), R4
	MOVV b+8(FP), R5
	ADDV R4, R5, R4
	MOVV R4, ret+16(FP)
	RET

// func dirtyG(a int64) int64
// Deliberately clobbers g, the goroutine pointer (R22; a serious ABI violation).
TEXT ·dirtyG(SB), NOSPLIT, $0-16
	MOVV $0x5678, g
	MOVV a+0(FP), R4
	MOVV R4, ret+8(FP)
	RET