Why should pushal/popal put the registers on the stack in a logical

order?

src/arch/i386/firmware/pcbios/e820mangler.S

 	shrl	$16, %ebx
 	popfw
 	movw	%sp, %bp
-	movw	%bx, 24(%bp)
+	movw	%bx, 16(%bp)
 	popal
 	ret
 	.size patch_16m, . - patch_16m