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

#include "textflag.h"

// func casLoop(ptr *int64, old, new int64) bool
TEXT ·casLoop(SB), NOSPLIT, $0-32
cas_retry:
	MOV  a+0(FP), X10
	LRD  (X10), X11
	MOV  b+8(FP), X12
	BNE  X11, X12, cas_fail
	MOV  c+16(FP), X13
	SCD  X13, (X10), X14
	BNE  X14, X0, cas_retry
	ADDI X0, $1, X15
	MOV  X15, ret+24(FP)
	RET

cas_fail:
	MOV  X0, ret+24(FP)
	RET

// func intToFloat(x int64) float64
TEXT ·intToFloat(SB), NOSPLIT, $0-16
	MOV    a+0(FP), X10
	FCVTDL X10, F10
	FSD    F10, ret+8(FP)
	RET

// func compare(a, b float64) bool
TEXT ·compare(SB), NOSPLIT, $0-24
	FLD  a+0(FP), F10
	FLD  b+8(FP), F11
	FLTD F10, F11, X10
	MOV  X10, ret+16(FP)
	RET