//	Sinh(±Inf) = ±Inf
//	Sinh(NaN) = NaN
func Sinh(x float64) float64 {
	if haveArchSinh {
		return archSinh(x)
	}
	return sinh(x)
}

func sinh(x float64) float64 {
	// The coefficients are #2029 from Hart & Cheney. (20.36D)
	const (
		P0 = -0.6307673640497716991184787251e+6
		P1 = -0.8991272022039509355398013511e+5
		P2 = -0.2894211355989563807284660366e+4
		P3 = -0.2630563213397497062819489e+2

TEXT setg_gcc<>(SB),NOSPLIT,$0-0
	MOV	A0, g
	CALL	runtime·save_g(SB)
	RET

// func cputicks() int64
TEXT runtime·cputicks(SB),NOSPLIT,$0-8
	// RDTIME to emulate cpu ticks
	// RDCYCLE reads counter that is per HART(core) based
	// according to the riscv manual, see issue 46737
	RDTIME	A0
	MOV	A0, ret+0(FP)
	RET

// systemstack_switch is a dummy routine that systemstack leaves at the bottom