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Module `dmd.backend.cgsched`

Instruction scheduler

Compiler implementation of the D programming language.

Functions

Name	Description
`cgsched_block(b)`	Entry point
`simpleops(c, scratch)`	Replace complex instructions with simple ones more conducive to scheduling.

Manifest constants

Name	Type	Description
`B`		it's a byte operation
`C`		floating point flags
`F`		flags
`FX`		pairable with FXCH instruction
`mMEM`		memory
`N`		other things modified, not swappable
`NP`		not pairable
`PE`		register contention exception
`PF`		flags contention exception
`PU`		pairable in U only, never executed in V
`PV`		pairable in V only
`R`		register (reg of modregrm field)
`S`		floating point stack
`UV`		pairable in both U and V

Authors

Walter Bright

License

Boost License 1.0