// Add
TEXT	sync∕atomic·AddInt32(SB), NOSPLIT|NOFRAME, $0-20
	GO_ARGS
	MOVQ	$__tsan_go_atomic32_fetch_add(SB), AX
	CALL	racecallatomic<>(SB)
	MOVL	add+8(FP), AX	// convert fetch_add to add_fetch
	ADDL	AX, ret+16(FP)
	RET

TEXT	sync∕atomic·AddInt64(SB), NOSPLIT|NOFRAME, $0-24
	GO_ARGS
	MOVQ	$__tsan_go_atomic64_fetch_add(SB), AX
	CALL	racecallatomic<>(SB)
	MOVQ	add+8(FP), AX	// convert fetch_add to add_fetch

	// can be inferred from a register arguments. For example,
	// add $1, %ebx has no suffix because you can tell from the
	// 32-bit register destination that it is a 32-bit add,
	// but in addl $1, (%ebx), the destination is memory, so the
	// size is not evident without the l suffix.
	needSuffix := true
SuffixLoop:
	for i, a := range inst.Args {
		if a == nil {
			break
		}

//go:noinline
func invalidMul_ssa(x uint32) uint32 {
	return x * y * y * y * y * y * y * y * y * y * y * y * y * y * y * y * y * y
}

// testLargeConst tests a situation where larger than 32 bit consts were passed to ADDL
// causing an invalid instruction error.
func testLargeConst(t *testing.T) {
	if want, got := uint32(268435440), invalidAdd_ssa(1); want != got {
		t.Errorf("testLargeConst add failed, wanted %d got %d", want, got)
	}