Changes:
- b23aaec "Merge Tagged PR 1340"
- 8b012df "Merge Tagged PR 1703"
- f98bf10 Merge pull request #4120 from lioncash/arb
- c6ba7a2 Merge pull request #4133 from MerryMage/macrojit-shifts
- c12eb81 macro_jit_x64: Use ecx for shift register
- 928e9c0 Merge pull request #4125 from lioncash/macro-shift
- 2bd903e Merge pull request #4123 from lioncash/unused-var
- 5865a10 gl_arb_decompiler: Avoid several string copies
- 5a4e89b macro_jit_x64: Correct readability of Compile_ExtractShiftLeftImmediate()
- 140f953 macro_jit_x64: Correct readability of Compile_ExtractShiftLeftRegister()