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Diffstat (limited to 'contrib/llvm/lib/Target/MBlaze/MBlazeSchedule3.td')
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diff --git a/contrib/llvm/lib/Target/MBlaze/MBlazeSchedule3.td b/contrib/llvm/lib/Target/MBlaze/MBlazeSchedule3.td deleted file mode 100644 index 20257a6..0000000 --- a/contrib/llvm/lib/Target/MBlaze/MBlazeSchedule3.td +++ /dev/null @@ -1,236 +0,0 @@ -//===-- MBlazeSchedule3.td - MBlaze Scheduling Definitions -*- tablegen -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -//===----------------------------------------------------------------------===// -// MBlaze instruction itineraries for the three stage pipeline. -//===----------------------------------------------------------------------===// -def MBlazePipe3Itineraries : ProcessorItineraries< - [IF,ID,EX], [], [ - - // ALU instruction with one destination register and either two register - // source operands or one register source operand and one immediate operand. - // The instruction takes one cycle to execute in each of the stages. The - // two source operands are read during the decode stage and the result is - // ready after the execute stage. - InstrItinData< IIC_ALU, - [ InstrStage<1,[IF]> // one cycle in fetch stage - , InstrStage<1,[ID]> // one cycle in decode stage - , InstrStage<1,[EX]>], // one cycle in execute stage - [ 2 // result ready after two cycles - , 1 // first operand read after one cycle - , 1 ]>, // second operand read after one cycle - - // ALU multiply instruction with one destination register and either two - // register source operands or one register source operand and one immediate - // operand. The instruction takes one cycle to execute in each of the - // pipeline stages except the execute stage, which takes three cycles. The - // two source operands are read during the decode stage and the result is - // ready after the execute stage. - InstrItinData< IIC_ALUm, - [ InstrStage<1,[IF]> // one cycle in fetch stage - , InstrStage<1,[ID]> // one cycle in decode stage - , InstrStage<3,[EX]>], // three cycles in execute stage - [ 4 // result ready after four cycles - , 1 // first operand read after one cycle - , 1 ]>, // second operand read after one cycle - - // ALU divide instruction with one destination register two register source - // operands. The instruction takes one cycle to execute in each the pipeline - // stages except the execute stage, which takes 34 cycles. The two - // source operands are read during the decode stage and the result is ready - // after the execute stage. - InstrItinData< IIC_ALUd, - [ InstrStage<1,[IF]> // one cycle in fetch stage - , InstrStage<1,[ID]> // one cycle in decode stage - , InstrStage<34,[EX]>], // 34 cycles in execute stage - [ 35 // result ready after 35 cycles - , 1 // first operand read after one cycle - , 1 ]>, // second operand read after one cycle - - // Shift instruction with one destination register and either two register - // source operands or one register source operand and one immediate operand. - // The instruction takes one cycle to execute in each of the pipeline stages - // except the execute stage, which takes two cycles. The two source operands - // are read during the decode stage and the result is ready after the execute - // stage. - InstrItinData< IIC_SHT, - [ InstrStage<1,[IF]> // one cycle in fetch stage - , InstrStage<1,[ID]> // one cycle in decode stage - , InstrStage<2,[EX]>], // two cycles in execute stage - [ 3 // result ready after three cycles - , 1 // first operand read after one cycle - , 1 ]>, // second operand read after one cycle - - // Branch instruction with one source operand register. The instruction takes - // one cycle to execute in each of the pipeline stages. The source operand is - // read during the decode stage. - InstrItinData< IIC_BR, - [ InstrStage<1,[IF]> // one cycle in fetch stage - , InstrStage<1,[ID]> // one cycle in decode stage - , InstrStage<1,[EX]>], // one cycle in execute stage - [ 1 ]>, // first operand read after one cycle - - // Conditional branch instruction with two source operand registers. The - // instruction takes one cycle to execute in each of the pipeline stages. The - // two source operands are read during the decode stage. - InstrItinData< IIC_BRc, - [ InstrStage<1,[IF]> // one cycle in fetch stage - , InstrStage<1,[ID]> // one cycle in decode stage - , InstrStage<1,[EX]>], // one cycle in execute stage - [ 1 // first operand read after one cycle - , 1 ]>, // second operand read after one cycle - - // Branch and link instruction with one destination register and one source - // operand register. The instruction takes one cycle to execute in each of - // the pipeline stages. The source operand is read during the decode stage - // and the destination register is ready after the execute stage. - InstrItinData< IIC_BRl, - [ InstrStage<1,[IF]> // one cycle in fetch stage - , InstrStage<1,[ID]> // one cycle in decode stage - , InstrStage<1,[EX]>], // one cycle in execute stage - [ 2 // result ready after two cycles - , 1 ]>, // first operand read after one cycle - - // Cache control instruction with two source operand registers. The - // instruction takes one cycle to execute in each of the pipeline stages - // except the memory access stage, which takes two cycles. The source - // operands are read during the decode stage. - InstrItinData< IIC_WDC, - [ InstrStage<1,[IF]> // one cycle in fetch stage - , InstrStage<1,[ID]> // one cycle in decode stage - , InstrStage<2,[EX]>], // two cycles in execute stage - [ 1 // first operand read after one cycle - , 1 ]>, // second operand read after one cycle - - // Floating point instruction with one destination register and two source - // operand registers. The instruction takes one cycle to execute in each of - // the pipeline stages except the execute stage, which takes six cycles. The - // source operands are read during the decode stage and the results are ready - // after the execute stage. - InstrItinData< IIC_FPU, - [ InstrStage<1,[IF]> // one cycle in fetch stage - , InstrStage<1,[ID]> // one cycle in decode stage - , InstrStage<6,[EX]>], // six cycles in execute stage - [ 7 // result ready after seven cycles - , 1 // first operand read after one cycle - , 1 ]>, // second operand read after one cycle - - // Floating point divide instruction with one destination register and two - // source operand registers. The instruction takes one cycle to execute in - // each of the pipeline stages except the execute stage, which takes 30 - // cycles. The source operands are read during the decode stage and the - // results are ready after the execute stage. - InstrItinData< IIC_FPUd, - [ InstrStage<1,[IF]> // one cycle in fetch stage - , InstrStage<1,[ID]> // one cycle in decode stage - , InstrStage<30,[EX]>], // one cycle in execute stage - [ 31 // result ready after 31 cycles - , 1 // first operand read after one cycle - , 1 ]>, // second operand read after one cycle - - // Convert floating point to integer instruction with one destination - // register and one source operand register. The instruction takes one cycle - // to execute in each of the pipeline stages except the execute stage, - // which takes seven cycles. The source operands are read during the decode - // stage and the results are ready after the execute stage. - InstrItinData< IIC_FPUi, - [ InstrStage<1,[IF]> // one cycle in fetch stage - , InstrStage<1,[ID]> // one cycle in decode stage - , InstrStage<7,[EX]>], // seven cycles in execute stage - [ 8 // result ready after eight cycles - , 1 ]>, // first operand read after one cycle - - // Convert integer to floating point instruction with one destination - // register and one source operand register. The instruction takes one cycle - // to execute in each of the pipeline stages except the execute stage, - // which takes six cycles. The source operands are read during the decode - // stage and the results are ready after the execute stage. - InstrItinData< IIC_FPUf, - [ InstrStage<1,[IF]> // one cycle in fetch stage - , InstrStage<1,[ID]> // one cycle in decode stage - , InstrStage<6,[EX]>], // six cycles in execute stage - [ 7 // result ready after seven cycles - , 1 ]>, // first operand read after one cycle - - // Floating point square root instruction with one destination register and - // one source operand register. The instruction takes one cycle to execute in - // each of the pipeline stages except the execute stage, which takes 29 - // cycles. The source operands are read during the decode stage and the - // results are ready after the execute stage. - InstrItinData< IIC_FPUs, - [ InstrStage<1,[IF]> // one cycle in fetch stage - , InstrStage<1,[ID]> // one cycle in decode stage - , InstrStage<29,[EX]>], // 29 cycles in execute stage - [ 30 // result ready after 30 cycles - , 1 ]>, // first operand read after one cycle - - // Floating point comparison instruction with one destination register and - // two source operand registers. The instruction takes one cycle to execute - // in each of the pipeline stages except the execute stage, which takes three - // cycles. The source operands are read during the decode stage and the - // results are ready after the execute stage. - InstrItinData< IIC_FPUc, - [ InstrStage<1,[IF]> // one cycle in fetch stage - , InstrStage<1,[ID]> // one cycle in decode stage - , InstrStage<3,[EX]>], // three cycles in execute stage - [ 4 // result ready after four cycles - , 1 // first operand read after one cycle - , 1 ]>, // second operand read after one cycle - - // FSL get instruction with one register or immediate source operand and one - // destination register. The instruction takes one cycle to execute in each - // of the pipeline stages except the execute stage, which takes two cycles. - // The one source operand is read during the decode stage and the result is - // ready after the execute stage. - InstrItinData< IIC_FSLg, - [ InstrStage<1,[IF]> // one cycle in fetch stage - , InstrStage<1,[ID]> // one cycle in decode stage - , InstrStage<2,[EX]>], // two cycles in execute stage - [ 3 // result ready after two cycles - , 1 ]>, // first operand read after one cycle - - // FSL put instruction with either two register source operands or one - // register source operand and one immediate operand. There is no result - // produced by the instruction. The instruction takes one cycle to execute in - // each of the pipeline stages except the execute stage, which takes two - // cycles. The two source operands are read during the decode stage. - InstrItinData< IIC_FSLp, - [ InstrStage<1,[IF]> // one cycle in fetch stage - , InstrStage<1,[ID]> // one cycle in decode stage - , InstrStage<2,[EX]>], // two cycles in execute stage - [ 1 // first operand read after one cycle - , 1 ]>, // second operand read after one cycle - - // Memory store instruction with either three register source operands or two - // register source operands and one immediate operand. There is no result - // produced by the instruction. The instruction takes one cycle to execute in - // each of the pipeline stages except the execute stage, which takes two - // cycles. All of the source operands are read during the decode stage. - InstrItinData< IIC_MEMs, - [ InstrStage<1,[IF]> // one cycle in fetch stage - , InstrStage<1,[ID]> // one cycle in decode stage - , InstrStage<2,[EX]>], // two cycles in execute stage - [ 1 // first operand read after one cycle - , 1 // second operand read after one cycle - , 1 ]>, // third operand read after one cycle - - // Memory load instruction with one destination register and either two - // register source operands or one register source operand and one immediate - // operand. The instruction takes one cycle to execute in each of the - // pipeline stages except the execute stage, which takes two cycles. All of - // the source operands are read during the decode stage and the result is - // ready after the execute stage. - InstrItinData< IIC_MEMl, - [ InstrStage<1,[IF]> // one cycle in fetch stage - , InstrStage<1,[ID]> // one cycle in decode stage - , InstrStage<2,[EX]>], // two cycles in execute stage - [ 3 // result ready after four cycles - , 1 // second operand read after one cycle - , 1 ]> // third operand read after one cycle -]>; |
