llvm-mirror/lib/Target/X86/X86.td

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//===- X86.td - Target definition file for the Intel X86 arch ---*- C++ -*-===//
//
// This is a target description file for the Intel i386 architecture, refered to
// here as the "X86" architecture.
//
//===----------------------------------------------------------------------===//
// Get the target independent interfaces which we are implementing...
//
include "../Target.td"
//===----------------------------------------------------------------------===//
// Register File Description
//===----------------------------------------------------------------------===//
include "X86RegisterInfo.td"
//===----------------------------------------------------------------------===//
// Instruction Descriptions
//===----------------------------------------------------------------------===//
include "X86InstrInfo.td"
def X86InstrInfo : InstrInfo {
set PHIInst = PHI;
set NOOPInst = NOOP;
// Define how we want to layout our TargetSpecific information field... This
// should be kept up-to-date with the fields in the X86InstrInfo.h file.
set TSFlagsFields = ["FormBits", "isVoid", "hasOpSizePrefix", "Prefix",
"TypeBits", "FPFormBits", "printImplicitUses", "Opcode"];
set TSFlagsShifts = [ 0, 5, 6, 7,
11, 14, 17, 18];
}
def X86 : Target {
// Specify the callee saved registers.
set CalleeSavedRegisters = [ESI, EDI, EBX, EBP];
// Yes, pointers are 32-bits in size.
set PointerType = i32;
// Information about the instructions...
set InstructionSet = X86InstrInfo;
}