llvm/lib/Target/SystemZ/SystemZ.td

   1 //===-- SystemZ.td - Describe the SystemZ target machine -----*- tblgen -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 //===----------------------------------------------------------------------===//
  10 // Target-independent interfaces which we are implementing
  11 //===----------------------------------------------------------------------===//
  12
  13 include "llvm/Target/Target.td"
  14
  15 //===----------------------------------------------------------------------===//
  16 // SystemZ subtarget features
  17 //===----------------------------------------------------------------------===//
  18
  19 include "SystemZFeatures.td"
  20
  21 //===----------------------------------------------------------------------===//
  22 // SystemZ subtarget scheduling models
  23 //===----------------------------------------------------------------------===//
  24
  25 include "SystemZSchedule.td"
  26
  27 //===----------------------------------------------------------------------===//
  28 // SystemZ supported processors
  29 //===----------------------------------------------------------------------===//
  30
  31 include "SystemZProcessors.td"
  32
  33 //===----------------------------------------------------------------------===//
  34 // Register file description
  35 //===----------------------------------------------------------------------===//
  36
  37 include "SystemZRegisterInfo.td"
  38
  39 //===----------------------------------------------------------------------===//
  40 // Calling convention description
  41 //===----------------------------------------------------------------------===//
  42
  43 include "SystemZCallingConv.td"
  44
  45 //===----------------------------------------------------------------------===//
  46 // Instruction descriptions
  47 //===----------------------------------------------------------------------===//
  48
  49 include "SystemZOperators.td"
  50 include "SystemZOperands.td"
  51 include "SystemZPatterns.td"
  52 include "SystemZInstrFormats.td"
  53 include "SystemZInstrInfo.td"
  54 include "SystemZInstrVector.td"
  55 include "SystemZInstrFP.td"
  56 include "SystemZInstrHFP.td"
  57 include "SystemZInstrDFP.td"
  58 include "SystemZInstrSystem.td"
  59
  60 def SystemZInstrInfo : InstrInfo { let guessInstructionProperties = 0; }
  61
  62 //===----------------------------------------------------------------------===//
  63 // Assembly parser
  64 //===----------------------------------------------------------------------===//
  65
  66 def SystemZAsmParser : AsmParser {
  67   let ShouldEmitMatchRegisterName = 0;
  68 }
  69
  70 def GNUAsmParserVariant : AsmParserVariant {
  71   int Variant = 0;
  72
  73   // Variant name.
  74   string Name = "gnu";
  75 }
  76
  77 def HLASMAsmParserVariant : AsmParserVariant {
  78   int Variant = 1;
  79
  80   // Variant name.
  81   string Name = "hlasm";
  82 }
  83
  84 //===----------------------------------------------------------------------===//
  85 // Assembly writer
  86 //===----------------------------------------------------------------------===//
  87
  88 // The SystemZ target supports two different syntaxes for emitting machine code.
  89 def GNUAsmWriter : AsmWriter {
  90   string AsmWriterClassName  = "GNUInstPrinter";
  91   int Variant = 0;
  92 }
  93 def HLASMAsmWriter : AsmWriter {
  94   string AsmWriterClassName  = "HLASMInstPrinter";
  95   int Variant = 1;
  96 }
  97
  98 //===----------------------------------------------------------------------===//
  99 // Top-level target declaration
 100 //===----------------------------------------------------------------------===//
 101
 102 def SystemZ : Target {
 103   let InstructionSet = SystemZInstrInfo;
 104   let AssemblyParsers = [SystemZAsmParser];
 105   let AssemblyParserVariants = [GNUAsmParserVariant, HLASMAsmParserVariant];
 106   let AssemblyWriters = [GNUAsmWriter, HLASMAsmWriter];
 107   let AllowRegisterRenaming = 1;
 108 }