Documentation

Get the standard name for the register with this number.

virtualRegSqueeze :: RegClass -> VirtualReg -> FastInt Source

regSqueeze_class reg Calculuate the maximum number of register colors that could be denied to a node of this class due to having this reg as a neighbour.

realRegSqueeze :: RegClass -> RealReg -> FastInt Source

classOfRealReg :: RealReg -> RegClass Source

allRealRegs :: [RealReg]Source

All the allocatable registers in the machine, including register pairs.

gReg, fReg, oReg, iReg, lReg :: Int -> RegNo Source

Get the regno for this sort of reg

g0, f27, f26, f22, f8, f6, f1, f0, o1, o0, sp, fp, g2, g1 :: Reg Source

Some specific regs used by the code generator.

allocatableRegs :: [RealReg]Source

Produce the second-half-of-a-double register given the first half.

All the regs that the register allocator can allocate to, with the the fixed use regs removed.

argRegs :: RegNo -> [Reg]Source

The registers to place arguments for function calls, for some number of arguments.

allArgRegs :: [Reg]Source

All all the regs that could possibly be returned by argRegs

callClobberedRegs :: [Reg]Source

mkVirtualReg :: Unique -> Size -> VirtualReg Source

Make a virtual reg with this size.

regDotColor :: RealReg -> SDoc Source