_ = x[0] + y[0]
}

// Test for issue 19687 (passing to unnamed parameters does not escape).
func f11(**int) {
}
func f12(_ **int) {
}
func f13() {
	var x *int
	f11(&x)
	f12(&x)
	runtime.KeepAlive(&x)
}

// Test for issue 24305 (passing to unnamed receivers does not escape).
type U int

func (*U) M()   {}
func (_ *U) N() {}

	x = append(x, y) // ERROR "write barrier"
	return x
}

func f12a(x []int, y int) []int {
	// y not a pointer, so no write barriers in this function
	x = append(x, y)
	return x
}

func f13(x []int, y *[]int) {
	*y = append(x, 1) // ERROR "write barrier"
}

func f14(y *[]int) {
	*y = append(*y, 1) // ERROR "write barrier"
}

type T1 struct {
	X *int
}

	{"F2", "F2"},
	{"F3", "F3"},
	{"F4", "F4"},
	{"F5", "F5"},
	{"F6", "F6"},
	{"F7", "F7"},
	{"F8", "F8"},
	{"F9", "F9"},
	{"F10", "F10"},
	{"F11", "F11"},
	{"F12", "F12"},
	{"F13", "F13"},
	{"F14", "F14"},
	{"F15", "F15"},
	{"V0", "V0"},
	{"V1", "V1"},
	{"V2", "V2"},
	{"V3", "V3"},
	{"V4", "V4"},
	{"V5", "V5"},
	{"V6", "V6"},
	{"V7", "V7"},
	{"V8", "V8"},

		fail:    false,
	},
	{
		// Passing the address of a static variable with
		// pointers does matter.
		name:    "var1",
		c:       `void f13(char*** parg) {}`,
		support: `var hello13 = [...]*C.char{new(C.char)}`,
		body:    `parg := [1]**C.char{&hello13[0]}; C.f13(&parg[0])`,
		fail:    true,
	},
	{
		// Storing a Go pointer into C memory should fail.
		name: "barrier",
		c: `#include <stdlib.h>

	"SP",  // aka R29
	"g",   // aka R30
	"R31", // aka REGLINK

	"F0",
	"F1",
	"F2",
	"F3",
	"F4",
	"F5",
	"F6",
	"F7",
	"F8",
	"F9",
	"F10",
	"F11",
	"F12",
	"F13",
	"F14",
	"F15",
	"F16",
	"F17",
	"F18",
	"F19",
	"F20",
	"F21",
	"F22",
	"F23",
	"F24",
	"F25",
	"F26",
	"F27",
	"F28",
	"F29",
	"F30",
	"F31",

	MOVD	F5, (21*8)(R25)
	MOVD	F6, (22*8)(R25)
	MOVD	F7, (23*8)(R25)
	MOVD	F8, (24*8)(R25)
	MOVD	F9, (25*8)(R25)
	MOVD	F10, (26*8)(R25)
	MOVD	F11, (27*8)(R25)
	MOVD	F12, (28*8)(R25)
	MOVD	F13, (29*8)(R25)
	MOVD	F14, (30*8)(R25)
	MOVD	F15, (31*8)(R25)
	RET

// unspillArgs loads args into registers from a *internal/abi.RegArgs in R25.
TEXT ·unspillArgs(SB),NOSPLIT,$0-0
	MOVV	(0*8)(R25), R4

	MOV	X19, (11*8)(X25)
	MOV	X20, (12*8)(X25)
	MOV	X21, (13*8)(X25)
	MOV	X22, (14*8)(X25)
	MOV	X23, (15*8)(X25)
	MOVD	F10, (16*8)(X25)
	MOVD	F11, (17*8)(X25)
	MOVD	F12, (18*8)(X25)
	MOVD	F13, (19*8)(X25)
	MOVD	F14, (20*8)(X25)
	MOVD	F15, (21*8)(X25)
	MOVD	F16, (22*8)(X25)
	MOVD	F17, (23*8)(X25)
	MOVD	F8,  (24*8)(X25)
	MOVD	F9,  (25*8)(X25)
	MOVD	F18, (26*8)(X25)
	MOVD	F19, (27*8)(X25)

	// Allocate 80 bytes on the stack.
	MOVD	$-80(R15), R15

	// Save F8-F15 in our stack frame.
	FMOVD	F8, 16(R15)
	FMOVD	F9, 24(R15)
	FMOVD	F10, 32(R15)
	FMOVD	F11, 40(R15)
	FMOVD	F12, 48(R15)
	FMOVD	F13, 56(R15)
	FMOVD	F14, 64(R15)
	FMOVD	F15, 72(R15)

	// Synchronous initialization.
	MOVD	$runtime·libpreinit(SB), R1
	BL	R1

	// Create a new thread to finish Go runtime initialization.

        IN 15: R{ F7 } spilloffset: 72 typ: float64
        IN 16: R{ F8 F9 } spilloffset: 80 typ: complex128
        IN 17: R{ F10 F11 } spilloffset: 96 typ: complex128
        IN 18: R{ F12 F13 } spilloffset: 112 typ: complex128
        IN 19: R{ } offset: 0 typ: complex128
        IN 20: R{ } offset: 16 typ: complex64
        IN 21: R{ I8 } spilloffset: 128 typ: int8
        IN 22: R{ } offset: 24 typ: int16

	VUMIN	V3.S4, V2.S4, V1.S4             // 416ca36e
	FCCMPS	LT, F1, F2, $1	                // 41b4211e
	FMADDS	F1, F3, F2, F4                  // 440c011f
	FMADDD	F4, F5, F4, F4                  // 8414441f
	FMSUBS	F13, F21, F13, F19              // b3d50d1f
	FMSUBD	F11, F7, F15, F31               // ff9d4b1f
	FNMADDS	F1, F3, F2, F4                  // 440c211f
	FNMADDD	F1, F3, F2, F4                  // 440c611f