1 //===-- R600Schedule.td - R600 Scheduling definitions ------*- tablegen -*-===//
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
7 //===----------------------------------------------------------------------===//
9 // R600 has a VLIW architecture. On pre-cayman cards there are 5 instruction
10 // slots ALU.X, ALU.Y, ALU.Z, ALU.W, and TRANS. For cayman cards, the TRANS
11 // slot has been removed.
13 //===----------------------------------------------------------------------===//
22 def AnyALU : InstrItinClass;
23 def VecALU : InstrItinClass;
24 def TransALU : InstrItinClass;
25 def XALU : InstrItinClass;
27 def R600_VLIW5_Itin : ProcessorItineraries <
28 [ALU_X, ALU_Y, ALU_Z, ALU_W, TRANS, ALU_NULL],
31 InstrItinData<AnyALU, [InstrStage<1, [ALU_X, ALU_Y, ALU_Z, ALU_W, TRANS]>]>,
32 InstrItinData<VecALU, [InstrStage<1, [ALU_X, ALU_Y, ALU_Z, ALU_W]>]>,
33 InstrItinData<TransALU, [InstrStage<1, [TRANS]>]>,
34 InstrItinData<XALU, [InstrStage<1, [ALU_X]>]>,
35 InstrItinData<NullALU, [InstrStage<1, [ALU_NULL]>]>
39 def R600_VLIW4_Itin : ProcessorItineraries <
40 [ALU_X, ALU_Y, ALU_Z, ALU_W, ALU_NULL],
43 InstrItinData<AnyALU, [InstrStage<1, [ALU_X, ALU_Y, ALU_Z, ALU_W]>]>,
44 InstrItinData<VecALU, [InstrStage<1, [ALU_X, ALU_Y, ALU_Z, ALU_W]>]>,
45 InstrItinData<TransALU, [InstrStage<1, [ALU_NULL]>]>,
46 InstrItinData<NullALU, [InstrStage<1, [ALU_NULL]>]>