cmd/compile: enforce strongly typed rules for ARM (5)
From "absorb InvertFlags" until "constant folding in *shift ops"
L666-L1011
Toolstash-check is successful.
Change-Id: Ieed7d4643dc3dc2b3649477e87aebd22c81d1322
Reviewed-on: https://go-review.googlesource.com/c/go/+/234197 Reviewed-by: Giovanni Bajo <rasky@develer.com> Reviewed-by: Keith Randall <khr@golang.org>
Trust: Giovanni Bajo <rasky@develer.com>
Run-TryBot: Giovanni Bajo <rasky@develer.com>
TryBot-Result: Go Bot <gobot@golang.org>