cmd/compile: convert more ARM64.rules lines to typed aux mode

Add a check code for checking whether the "c" value can be
represented as a signed 32 bit integer in some rules.

Passes toolstash-check -all.

Change-Id: I84e4431dc75945985695516d34565b841c8b53e0
Reviewed-on: https://go-review.googlesource.com/c/go/+/233738


Reviewed-by: Keith Randall <khr@golang.org>