Do not sign extend immediate for mov imm,XRn.
More random mul, mac & div fixes.
Remove some unused variables.
Sign extend 24bit displacement in memory addresses.
Whee, more fixes.
Minor fixes in multiply/divide patterns.
start-sanitize-am33
* am33.igen: Fix Z bit for addc Rm,Rn and subc Rm,Rn. Various
fixes to 2 register multiply, divide and mac instructions. Set
Z,N correctly for sat16. Sign extend 24 bit immediate for add,
and sub instructions.
* am33.igen: Add remaining non-DSP instructions.
end-sanitize-am33
