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Function dmd.backend.cgcod.allocreg

Allocate some registers.

ubyte allocreg (
  ref dmd.backend.codebuilder.CodeBuilder cdb,
  ref uint outretregs,
  uint tym
) nothrow @safe;

Input

outretregs Mask of registers to make selection from. tym Mask of type we will store in registers.

Output

outretregs Mask of allocated registers. msavereg,mfuncreg retregs bits are cleared. regcon.cse.mval,regcon.cse.mops updated

Returns

Register number of first allocated register

Authors

Walter Bright

License

Boost License 1.0