Fix a bug in GetKnownAlignment of packed structs.
Add a test for the load/store alignment.
Implement FPOWI ExpandOp.
[ARM] Fix code generation for:
[ARM] Implement __builtin_thread_pointer.
Fix fpcmp infinite loop when comparing "29-266"...
Simplify the code and fix a typo.
CBackend: Implement unaligned load/store.