X64Emitter: add MOVHLPS/MOVLHPS
JIT: add ps_cmp0/ps_cmp1 implementations using current fcmp code
JIT: add ps_res and ps_rsqrte using scalar implementations
Merge pull request #1109 from FioraAeterna/ps_cmp

JIT: add ps_cmp0/ps_cmp1/ps_res/ps_rsqrte