When m_Opcode.sa == 0, the results for cpu recompiler do not match cpu
interpreter. For example with dsrl32 t9, t8, 0x0, and t8 =
0xC0C0C0C000000000 the result of t9 for cpu recompiler =
0xFFFFFFFFC0C0C0C0, while cpu interpreter = 0xC0C0C0C0C0C0C0C0.
This commit fixes the Killer Instinct health bar issue.