1 //===- X86.td - Target definition file for the Intel X86 arch ---*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This is a target description file for the Intel i386 architecture, refered to
11 // here as the "X86" architecture.
13 //===----------------------------------------------------------------------===//
15 // Get the target-independent interfaces which we are implementing...
17 include "../Target.td"
19 //===----------------------------------------------------------------------===//
20 // Register File Description
21 //===----------------------------------------------------------------------===//
23 include "X86RegisterInfo.td"
25 //===----------------------------------------------------------------------===//
26 // Instruction Descriptions
27 //===----------------------------------------------------------------------===//
29 include "X86InstrInfo.td"
31 def X86InstrInfo : InstrInfo {
34 // Define how we want to layout our TargetSpecific information field... This
35 // should be kept up-to-date with the fields in the X86InstrInfo.h file.
36 let TSFlagsFields = ["FormBits" , "hasOpSizePrefix" , "Prefix", "TypeBits",
37 "FPFormBits", "printImplicitUses", "Opcode"];
38 let TSFlagsShifts = [ 0, 5, 6, 10,
43 // Specify the callee saved registers.
44 let CalleeSavedRegisters = [ESI, EDI, EBX, EBP];
46 // Yes, pointers are 32-bits in size.
47 let PointerType = i32;
49 // Information about the instructions...
50 let InstructionSet = X86InstrInfo;