arch-arm: Instruction size methods in StaticInst class
This patch is introducing some methods in StaticInst so that is possible
to get the instruction size in byte of the instruction (can be 2 bytes
in Thumb) and the correct opcode (The machInst field contains some
appended metadata)
Change-Id: I3bed4d9fd7c77feaeded40ded192afe445d306ea
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/6781
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>