// Put target PC at -8(SP), wasm_pc_f_loop will pick it up
	Get SP
	I32Const $8
	I32Sub
	I64Load gobuf_pc(R0)
	I64Store $0

	MOVD gobuf_ret(R0), RET0
	MOVD gobuf_ctxt(R0), CTXT
	// clear to help garbage collector
	MOVD $0, gobuf_sp(R0)
	MOVD $0, gobuf_ret(R0)
	MOVD $0, gobuf_ctxt(R0)

	I32Const $1
	Return

// func mcall(fn func(*g))
// Switch to m->g0's stack, call fn(g).

TEXT gogo<>(SB), NOSPLIT|NOFRAME, $0
	MOVV	R4, g
	JAL	runtime·save_g(SB)

	MOVV	0(g), R2
	MOVV	gobuf_sp(R3), R29
	MOVV	gobuf_lr(R3), R31
	MOVV	gobuf_ret(R3), R1
	MOVV	gobuf_ctxt(R3), REGCTXT
	MOVV	R0, gobuf_sp(R3)
	MOVV	R0, gobuf_ret(R3)
	MOVV	R0, gobuf_lr(R3)
	MOVV	R0, gobuf_ctxt(R3)
	MOVV	gobuf_pc(R3), R4
	JMP	(R4)

// void mcall(fn func(*g))
// Switch to m->g0's stack, call fn(g).

	JMP	gogo<>(SB)

TEXT gogo<>(SB), NOSPLIT|NOFRAME, $0
	MOV	T1, g
	CALL	runtime·save_g(SB)

	MOV	gobuf_sp(T0), X2
	MOV	gobuf_lr(T0), RA
	MOV	gobuf_ret(T0), A0
	MOV	gobuf_ctxt(T0), CTXT
	MOV	ZERO, gobuf_sp(T0)
	MOV	ZERO, gobuf_ret(T0)
	MOV	ZERO, gobuf_lr(T0)
	MOV	ZERO, gobuf_ctxt(T0)
	MOV	gobuf_pc(T0), T0
	JALR	ZERO, T0

// func procyield(cycles uint32)

TEXT gogo<>(SB), NOSPLIT|NOFRAME, $0
	MOVD	R6, g
	BL	runtime·save_g(SB)

	MOVD	0(g), R4
	MOVD	gobuf_sp(R5), R15
	MOVD	gobuf_lr(R5), LR
	MOVD	gobuf_ret(R5), R3
	MOVD	gobuf_ctxt(R5), R12
	MOVD	$0, gobuf_sp(R5)
	MOVD	$0, gobuf_ret(R5)
	MOVD	$0, gobuf_lr(R5)
	MOVD	$0, gobuf_ctxt(R5)
	CMP	R0, R0 // set condition codes for == test, needed by stack split
	MOVD	gobuf_pc(R5), R6
	BR	(R6)

	JMP	gogo<>(SB)

TEXT gogo<>(SB), NOSPLIT|NOFRAME, $0
	MOVV	R5, g
	JAL	runtime·save_g(SB)

	MOVV	gobuf_sp(R4), R3
	MOVV	gobuf_lr(R4), R1
	MOVV	gobuf_ret(R4), R19
	MOVV	gobuf_ctxt(R4), REGCTXT
	MOVV	R0, gobuf_sp(R4)
	MOVV	R0, gobuf_ret(R4)
	MOVV	R0, gobuf_lr(R4)
	MOVV	R0, gobuf_ctxt(R4)
	MOVV	gobuf_pc(R4), R6
	JMP	(R6)

// void mcall(fn func(*g))
// Switch to m->g0's stack, call fn(g).

	JMP	gogo<>(SB)

TEXT gogo<>(SB),NOSPLIT|NOFRAME,$0
	MOVW	R4, g
	JAL	runtime·save_g(SB)
	MOVW	gobuf_sp(R3), R29
	MOVW	gobuf_lr(R3), R31
	MOVW	gobuf_ret(R3), R1
	MOVW	gobuf_ctxt(R3), REGCTXT
	MOVW	R0, gobuf_sp(R3)
	MOVW	R0, gobuf_ret(R3)
	MOVW	R0, gobuf_lr(R3)
	MOVW	R0, gobuf_ctxt(R3)
	MOVW	gobuf_pc(R3), R4
	JMP	(R4)

// void mcall(fn func(*g))
// Switch to m->g0's stack, call fn(g).

	B	gogo<>(SB)

TEXT gogo<>(SB),NOSPLIT|NOFRAME,$0
	BL	setg<>(SB)
	MOVW	gobuf_sp(R1), R13	// restore SP==R13
	MOVW	gobuf_lr(R1), LR
	MOVW	gobuf_ret(R1), R0
	MOVW	gobuf_ctxt(R1), R7
	MOVW	$0, R11
	MOVW	R11, gobuf_sp(R1)	// clear to help garbage collector
	MOVW	R11, gobuf_ret(R1)
	MOVW	R11, gobuf_lr(R1)
	MOVW	R11, gobuf_ctxt(R1)
	MOVW	gobuf_pc(R1), R11
	CMP	R11, R11 // set condition codes for == test, needed by stack split

	JMP	gogo<>(SB)

TEXT gogo<>(SB), NOSPLIT, $0
	get_tls(CX)
	MOVL	DX, g(CX)
	MOVL	gobuf_sp(BX), SP	// restore SP
	MOVL	gobuf_ret(BX), AX
	MOVL	gobuf_ctxt(BX), DX
	MOVL	$0, gobuf_sp(BX)	// clear to help garbage collector
	MOVL	$0, gobuf_ret(BX)
	MOVL	$0, gobuf_ctxt(BX)
	MOVL	gobuf_pc(BX), BX
	JMP	BX

// func mcall(fn func(*g))
// Switch to m->g0's stack, call fn(g).

	BL	runtime·save_g(SB)

	MOVD	gobuf_sp(R5), R1
	MOVD	gobuf_lr(R5), R31
#ifndef GOOS_aix
	MOVD	24(R1), R2	// restore R2
#endif
	MOVD	R31, LR
	MOVD	gobuf_ret(R5), R3
	MOVD	gobuf_ctxt(R5), R11
	MOVD	R0, gobuf_sp(R5)
	MOVD	R0, gobuf_ret(R5)
	MOVD	R0, gobuf_lr(R5)
	MOVD	R0, gobuf_ctxt(R5)
	CMP	R0, R0 // set condition codes for == test, needed by stack split
	MOVD	gobuf_pc(R5), R12
	MOVD	R12, CTR

	MOVD	R6, g
	BL	runtime·save_g(SB)

	MOVD	gobuf_sp(R5), R0
	MOVD	R0, RSP
	MOVD	gobuf_bp(R5), R29
	MOVD	gobuf_lr(R5), LR
	MOVD	gobuf_ret(R5), R0
	MOVD	gobuf_ctxt(R5), R26
	MOVD	$0, gobuf_sp(R5)
	MOVD	$0, gobuf_bp(R5)
	MOVD	$0, gobuf_ret(R5)
	MOVD	$0, gobuf_lr(R5)
	MOVD	$0, gobuf_ctxt(R5)
	CMP	ZR, ZR // set condition codes for == test, needed by stack split
	MOVD	gobuf_pc(R5), R6
	B	(R6)