PCMPEQB	X0, X1
	PMOVMSKB X1, DX
	// Apply mask
	ANDQ R10, DX
	POPCNTL DX, DX
	ADDQ DX, R12
end:
	MOVQ R12, (R8)
	RET

// handle for lengths < 16
small:
	TESTQ	BX, BX
	JEQ	endzero

	// Check if we'll load across a page boundary.
	LEAQ	16(SI), AX
	TESTW	$0xff0, AX
	JEQ	endofpage

	// We must ignore high bytes as they aren't part of our slice.
	// Create mask.
	MOVB BX, CX

	slice, ok := v.Interface().([]%[1]s)
	if !ok {
		// It is kind %[1]s but not type %[1]s. TODO: We can handle this unsafely.
		return false
	}
	for _, x := range slice {
		if x != %[3]s || state.sendZero {
			%[4]s
		}
	}
	return true
}