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llvm/llvm/lib/Target/Sparc/SparcSchedule.td 

//===-- SparcSchedule.td - Describe the Sparc Itineraries ----*- tablegen -*-=//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
//
//===----------------------------------------------------------------------===//

def IIC_iu_or_fpu_instr : InstrItinClass;
def IIC_iu_instr : InstrItinClass;
def IIC_fpu_normal_instr : InstrItinClass;
def IIC_fpu_fast_instr : InstrItinClass;
def IIC_jmp_or_call : InstrItinClass;
def IIC_ldd : InstrItinClass;
def IIC_st : InstrItinClass;
def IIC_std : InstrItinClass;
def IIC_iu_smul : InstrItinClass;
def IIC_iu_umul : InstrItinClass;
def IIC_iu_div : InstrItinClass;
def IIC_ticc : InstrItinClass;
def IIC_ldstub : InstrItinClass;
def IIC_fpu_muls : InstrItinClass;
def IIC_fpu_muld : InstrItinClass;
def IIC_fpu_divs : InstrItinClass;
def IIC_fpu_divd : InstrItinClass;
def IIC_fpu_sqrts : InstrItinClass;
def IIC_fpu_sqrtd : InstrItinClass;
def IIC_fpu_abs : InstrItinClass;
def IIC_fpu_movs : InstrItinClass;
def IIC_fpu_negs : InstrItinClass;
def IIC_smac_umac : InstrItinClass;
def IIC_fpu_stod : InstrItinClass;

def LEONIU : FuncUnit; // integer unit
def LEONFPU : FuncUnit; // floating-point unit

// Ref: http://www.atmel.com/Images/doc4226.pdf

def LEON2Itineraries : ProcessorItineraries<
[LEONIU, LEONFPU], [], [
  InstrItinData<IIC_iu_or_fpu_instr, [InstrStage<1, [LEONIU, LEONFPU]>], [1, 1]>,
  InstrItinData<IIC_iu_instr, [InstrStage<1, [LEONIU]>], [1, 1]>,
  InstrItinData<IIC_fpu_normal_instr, [InstrStage<1, [LEONFPU]>], [7, 1]>,
  InstrItinData<IIC_fpu_fast_instr, [InstrStage<1, [LEONFPU]>], [7, 1]>,
  InstrItinData<IIC_jmp_or_call, [InstrStage<1, [LEONIU, LEONFPU]>], [2, 1]>,
  InstrItinData<IIC_ldd, [InstrStage<1, [LEONIU, LEONFPU]>], [2, 1]>,
  InstrItinData<IIC_st, [InstrStage<1, [LEONIU, LEONFPU]>], [2, 1]>,
  InstrItinData<IIC_std, [InstrStage<1, [LEONIU, LEONFPU]>], [3, 1]>,
  InstrItinData<IIC_iu_smul, [InstrStage<1, [LEONIU]>], [5, 1]>,
  InstrItinData<IIC_iu_umul, [InstrStage<1, [LEONIU]>], [5, 1]>,
  InstrItinData<IIC_iu_div, [InstrStage<1, [LEONIU]>], [35, 1]>,
  InstrItinData<IIC_ticc, [InstrStage<1, [LEONIU, LEONFPU]>], [4, 1]>,
  InstrItinData<IIC_ldstub, [InstrStage<1, [LEONIU, LEONFPU]>], [3, 1]>,
  InstrItinData<IIC_fpu_muls, [InstrStage<1, [LEONFPU]>], [16, 1]>,
  InstrItinData<IIC_fpu_muld, [InstrStage<1, [LEONFPU]>], [21, 1]>,
  InstrItinData<IIC_fpu_divs, [InstrStage<1, [LEONFPU]>], [20, 1]>,
  InstrItinData<IIC_fpu_divd, [InstrStage<1, [LEONFPU]>], [36, 1]>,
  InstrItinData<IIC_fpu_sqrts, [InstrStage<1, [LEONFPU]>], [37, 1]>,
  InstrItinData<IIC_fpu_sqrtd, [InstrStage<1, [LEONFPU]>], [65, 1]>,
  InstrItinData<IIC_fpu_abs, [InstrStage<1, [LEONFPU]>], [2, 1]>,
  InstrItinData<IIC_fpu_movs, [InstrStage<1, [LEONFPU]>], [2, 1]>,
  InstrItinData<IIC_fpu_negs, [InstrStage<1, [LEONFPU]>], [2, 1]>,
  InstrItinData<IIC_fpu_stod, [InstrStage<1, [LEONFPU]>], [2, 1]>
]>;

def LEON3Itineraries : ProcessorItineraries<
[LEONIU, LEONFPU], [], [
  InstrItinData<IIC_iu_or_fpu_instr, [InstrStage<1, [LEONIU, LEONFPU]>], [1, 1]>,
  InstrItinData<IIC_iu_instr, [InstrStage<1, [LEONIU]>], [1, 1]>,
  InstrItinData<IIC_fpu_normal_instr, [InstrStage<1, [LEONFPU]>], [7, 1]>,
  InstrItinData<IIC_fpu_fast_instr, [InstrStage<1, [LEONFPU]>], [4, 1]>,
  InstrItinData<IIC_jmp_or_call, [InstrStage<1, [LEONIU, LEONFPU]>], [3, 1]>,
  InstrItinData<IIC_ldd, [InstrStage<1, [LEONIU, LEONFPU]>], [2, 1]>,
  InstrItinData<IIC_st, [InstrStage<1, [LEONIU, LEONFPU]>], [4, 1]>,
  InstrItinData<IIC_std, [InstrStage<1, [LEONIU, LEONFPU]>], [5, 1]>,
  InstrItinData<IIC_iu_smul, [InstrStage<1, [LEONIU]>], [1, 1]>,
  InstrItinData<IIC_iu_umul, [InstrStage<1, [LEONIU]>], [4, 1]>,
  InstrItinData<IIC_iu_div, [InstrStage<1, [LEONIU]>], [35, 1]>,
  InstrItinData<IIC_smac_umac, [InstrStage<1, [LEONIU]>], [2, 1]>,
  InstrItinData<IIC_ticc, [InstrStage<1, [LEONIU, LEONFPU]>], [5, 1]>,
  InstrItinData<IIC_ldstub, [InstrStage<1, [LEONIU, LEONFPU]>], [3, 1]>,
  InstrItinData<IIC_fpu_muls, [InstrStage<1, [LEONFPU]>], [4, 1]>,
  InstrItinData<IIC_fpu_muld, [InstrStage<1, [LEONFPU]>], [4, 1]>,
  InstrItinData<IIC_fpu_divs, [InstrStage<1, [LEONFPU]>], [16, 1]>,
  InstrItinData<IIC_fpu_divd, [InstrStage<1, [LEONFPU]>], [17, 1]>,
  InstrItinData<IIC_fpu_sqrts, [InstrStage<1, [LEONFPU]>], [24, 1]>,
  InstrItinData<IIC_fpu_sqrtd, [InstrStage<1, [LEONFPU]>], [25, 1]>,
  InstrItinData<IIC_fpu_abs, [InstrStage<1, [LEONFPU]>], [2, 1]>,
  InstrItinData<IIC_fpu_movs, [InstrStage<1, [LEONFPU]>], [2, 1]>,
  InstrItinData<IIC_fpu_negs, [InstrStage<1, [LEONFPU]>], [2, 1]>,
  InstrItinData<IIC_fpu_stod, [InstrStage<1, [LEONFPU]>], [4, 1]>
]>;

def LEON4Itineraries : ProcessorItineraries<
[LEONIU, LEONFPU], [], [
  InstrItinData<IIC_iu_or_fpu_instr, [InstrStage<1, [LEONIU, LEONFPU]>], [1, 1]>,
  InstrItinData<IIC_iu_instr, [InstrStage<1, [LEONIU]>], [1, 1]>,
  InstrItinData<IIC_fpu_normal_instr, [InstrStage<1, [LEONFPU]>], [7, 1]>,
  InstrItinData<IIC_fpu_fast_instr, [InstrStage<1, [LEONFPU]>], [4, 1]>,
  InstrItinData<IIC_jmp_or_call, [InstrStage<1, [LEONIU, LEONFPU]>], [3, 1]>,
  InstrItinData<IIC_ldd, [InstrStage<1, [LEONIU, LEONFPU]>], [1, 1]>,
  InstrItinData<IIC_st, [InstrStage<1, [LEONIU, LEONFPU]>], [1, 1]>,
  InstrItinData<IIC_std, [InstrStage<1, [LEONIU, LEONFPU]>], [1, 1]>,
  InstrItinData<IIC_iu_smul, [InstrStage<1, [LEONIU]>], [1, 1]>,
  InstrItinData<IIC_iu_umul, [InstrStage<1, [LEONIU]>], [4, 1]>,
  InstrItinData<IIC_iu_div, [InstrStage<1, [LEONIU]>], [35, 1]>,
  InstrItinData<IIC_smac_umac, [InstrStage<1, [LEONIU]>], [2, 1]>,
  InstrItinData<IIC_ticc, [InstrStage<1, [LEONIU, LEONFPU]>], [5, 1]>,
  InstrItinData<IIC_ldstub, [InstrStage<1, [LEONIU, LEONFPU]>], [3, 1]>,
  InstrItinData<IIC_fpu_muls, [InstrStage<1, [LEONFPU]>], [4, 1]>,
  InstrItinData<IIC_fpu_muld, [InstrStage<1, [LEONFPU]>], [4, 1]>,
  InstrItinData<IIC_fpu_divs, [InstrStage<1, [LEONFPU]>], [16, 1]>,
  InstrItinData<IIC_fpu_divd, [InstrStage<1, [LEONFPU]>], [17, 1]>,
  InstrItinData<IIC_fpu_sqrts, [InstrStage<1, [LEONFPU]>], [24, 1]>,
  InstrItinData<IIC_fpu_sqrtd, [InstrStage<1, [LEONFPU]>], [25, 1]>,
  InstrItinData<IIC_fpu_abs, [InstrStage<1, [LEONFPU]>], [2, 1]>,
  InstrItinData<IIC_fpu_movs, [InstrStage<1, [LEONFPU]>], [2, 1]>,
  InstrItinData<IIC_fpu_negs, [InstrStage<1, [LEONFPU]>], [2, 1]>,
  InstrItinData<IIC_fpu_stod, [InstrStage<1, [LEONFPU]>], [4, 1]>
]>;