mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-25 14:32:53 +00:00
84a2c2bbb5
This patch doesn't introduce any functionality changes. It adds some new fields to the Hexagon instruction classes and changes their layout to support instruction encoding. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175205 91177308-0d34-0410-b5e6-96231b3b80d8
70 lines
2.7 KiB
TableGen
70 lines
2.7 KiB
TableGen
//===- HexagonSchedule.td - Hexagon Scheduling Definitions -*- tablegen -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// Functional Units
|
|
def LSUNIT : FuncUnit; // SLOT0
|
|
def LUNIT : FuncUnit; // SLOT1
|
|
def MUNIT : FuncUnit; // SLOT2
|
|
def SUNIT : FuncUnit; // SLOT3
|
|
def LOOPUNIT : FuncUnit;
|
|
|
|
// Itinerary classes
|
|
def ALU32 : InstrItinClass;
|
|
def ALU64 : InstrItinClass;
|
|
def CR : InstrItinClass;
|
|
def J : InstrItinClass;
|
|
def JR : InstrItinClass;
|
|
def LD : InstrItinClass;
|
|
def LD0 : InstrItinClass;
|
|
def M : InstrItinClass;
|
|
def ST : InstrItinClass;
|
|
def ST0 : InstrItinClass;
|
|
def S : InstrItinClass;
|
|
def SYS : InstrItinClass;
|
|
def ENDLOOP : InstrItinClass;
|
|
def PSEUDO : InstrItinClass;
|
|
def PSEUDOM : InstrItinClass;
|
|
|
|
def HexagonItineraries :
|
|
ProcessorItineraries<[LSUNIT, LUNIT, MUNIT, SUNIT, LOOPUNIT], [], [
|
|
InstrItinData<ALU32 , [InstrStage<1, [LUNIT, LSUNIT, MUNIT, SUNIT]>]>,
|
|
InstrItinData<ALU64 , [InstrStage<1, [MUNIT, SUNIT]>]>,
|
|
InstrItinData<CR , [InstrStage<1, [SUNIT]>]>,
|
|
InstrItinData<J , [InstrStage<1, [SUNIT, MUNIT]>]>,
|
|
InstrItinData<JR , [InstrStage<1, [MUNIT]>]>,
|
|
InstrItinData<LD , [InstrStage<1, [LUNIT, LSUNIT]>]>,
|
|
InstrItinData<LD0 , [InstrStage<1, [LSUNIT]>]>,
|
|
InstrItinData<M , [InstrStage<1, [MUNIT, SUNIT]>]>,
|
|
InstrItinData<ST , [InstrStage<1, [LSUNIT]>]>,
|
|
InstrItinData<ST0 , [InstrStage<1, [LSUNIT]>]>,
|
|
InstrItinData<S , [InstrStage<1, [SUNIT, MUNIT]>]>,
|
|
InstrItinData<SYS , [InstrStage<1, [LSUNIT]>]>,
|
|
InstrItinData<ENDLOOP, [InstrStage<1, [LOOPUNIT]>]>,
|
|
InstrItinData<PSEUDO , [InstrStage<1, [LUNIT, LSUNIT, MUNIT, SUNIT]>]>,
|
|
InstrItinData<PSEUDOM, [InstrStage<1, [MUNIT, SUNIT], 0>,
|
|
InstrStage<1, [MUNIT, SUNIT]>]>
|
|
]>;
|
|
|
|
def HexagonModel : SchedMachineModel {
|
|
// Max issue per cycle == bundle width.
|
|
let IssueWidth = 4;
|
|
let Itineraries = HexagonItineraries;
|
|
let LoadLatency = 1;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// V4 Machine Info +
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
include "HexagonScheduleV4.td"
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// V4 Machine Info -
|
|
//===----------------------------------------------------------------------===//
|