71 lines
1.8 KiB
C++
71 lines
1.8 KiB
C++
//===-- HexagonBaseInfo.h - Top level definitions for Hexagon --*- C++ -*--===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains small standalone helper functions and enum definitions for
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// the Hexagon target useful for the compiler back-end and the MC libraries.
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// As such, it deliberately does not include references to LLVM core
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// code gen types, passes, etc..
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//
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//===----------------------------------------------------------------------===//
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#ifndef HEXAGONBASEINFO_H
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#define HEXAGONBASEINFO_H
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namespace llvm {
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/// HexagonII - This namespace holds all of the target specific flags that
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/// instruction info tracks.
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///
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namespace HexagonII {
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// *** The code below must match HexagonInstrFormat*.td *** //
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// Insn types.
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// *** Must match HexagonInstrFormat*.td ***
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enum Type {
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TypePSEUDO = 0,
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TypeALU32 = 1,
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TypeCR = 2,
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TypeJR = 3,
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TypeJ = 4,
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TypeLD = 5,
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TypeST = 6,
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TypeSYSTEM = 7,
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TypeXTYPE = 8,
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TypeMEMOP = 9,
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TypeNV = 10,
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TypePREFIX = 30, // Such as extenders.
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TypeMARKER = 31 // Such as end of a HW loop.
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};
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// MCInstrDesc TSFlags
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// *** Must match HexagonInstrFormat*.td ***
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enum {
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// This 5-bit field describes the insn type.
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TypePos = 0,
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TypeMask = 0x1f,
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// Solo instructions.
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SoloPos = 5,
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SoloMask = 0x1,
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// Predicated instructions.
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PredicatedPos = 6,
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PredicatedMask = 0x1
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};
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// *** The code above must match HexagonInstrFormat*.td *** //
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} // End namespace HexagonII.
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} // End namespace llvm.
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#endif
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