Compiler Code Generation & Allocation

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Abstractions about instruction sets, branch tables, intermediate forms, register allocation, and generation of executable code from compiler representations.

5 abstractions in this family — domain-specific abstractions that sit near one another in structural-signature space (k-means over structural-signature embeddings). Each is shown with its short description.

• Atmel AVR instruction set — Define the encoded machine operations, register effects, addressing modes, flags, timing, and architectural variants executed by AVR 8-bit microcontrollers.
• Branch Table — A constant-time multiway dispatch structure that maps a validated selector through a dense table of code addresses or branch instructions to one of several control-flow targets.
• Code generation (compiler) — The compiler phase that translates an intermediate representation into target instructions while selecting operations, allocating resources, and preserving program semantics.
• Register allocation — The compiler task of assigning live program values to a limited set of processor registers while inserting spills and respecting calling and instruction constraints.
• Static single-assignment form — A compiler intermediate representation in which every variable name has exactly one definition and phi functions merge values from alternative control-flow predecessors.