struct InstrItinerary

Declaration

struct InstrItinerary { /* full declaration omitted */ };

Description

An itinerary represents the scheduling information for an instruction. This includes a set of stages occupied by the instruction and the pipeline cycle in which operands are read and written.

Declared at: llvm/include/llvm/MC/MCInstrItineraries.h:95

Member Variables

public int16_t NumMicroOps

# of micro-ops, -1 means it's variable

public uint16_t FirstStage

Index of first stage in itinerary

public uint16_t LastStage

Index of last + 1 stage in itinerary

public uint16_t FirstOperandCycle

Index of first operand rd/wr

public uint16_t LastOperandCycle

Index of last + 1 operand rd/wr