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* Add SPLIT pass to split 64 bit IR instructions for 32 bit CPUs.Mike Pall2011-02-021-0/+8
| | | | | | | Add generic HIOP instruction for extra backend functionality. Add support for HIOP to x86 backend. Use POWI for 64 bit integer x^k, too. POWI is lowered to a call by SPLIT or the x64 backend.
* FFI: Split up 64 bit x^k helper into signed/unsigned.Mike Pall2011-01-281-16/+27
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* FFI: Move code for cdata arithmetic to lj_carith.c.Mike Pall2011-01-261-0/+260