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Diffstat (limited to 'contrib/llvm/lib/Target/ARM/ARMScheduleV6.td')
| -rw-r--r-- | contrib/llvm/lib/Target/ARM/ARMScheduleV6.td | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/ARM/ARMScheduleV6.td b/contrib/llvm/lib/Target/ARM/ARMScheduleV6.td new file mode 100644 index 0000000..f813022 --- /dev/null +++ b/contrib/llvm/lib/Target/ARM/ARMScheduleV6.td @@ -0,0 +1,204 @@ +//===- ARMScheduleV6.td - ARM v6 Scheduling Definitions ----*- tablegen -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file defines the itinerary class data for the ARM v6 processors. +// +//===----------------------------------------------------------------------===// + +// Model based on ARM1176 +// +// Functional Units +def V6_Pipe : FuncUnit; // pipeline + +// Scheduling information derived from "ARM1176JZF-S Technical Reference Manual". +// +def ARMV6Itineraries : ProcessorItineraries< + [V6_Pipe], [ + // + // No operand cycles + InstrItinData<IIC_iALUx , [InstrStage<1, [V6_Pipe]>]>, + // + // Binary Instructions that produce a result + InstrItinData<IIC_iALUi , [InstrStage<1, [V6_Pipe]>], [2, 2]>, + InstrItinData<IIC_iALUr , [InstrStage<1, [V6_Pipe]>], [2, 2, 2]>, + InstrItinData<IIC_iALUsi , [InstrStage<1, [V6_Pipe]>], [2, 2, 1]>, + InstrItinData<IIC_iALUsr , [InstrStage<2, [V6_Pipe]>], [3, 3, 2, 1]>, + // + // Unary Instructions that produce a result + InstrItinData<IIC_iUNAr , [InstrStage<1, [V6_Pipe]>], [2, 2]>, + InstrItinData<IIC_iUNAsi , [InstrStage<1, [V6_Pipe]>], [2, 1]>, + InstrItinData<IIC_iUNAsr , [InstrStage<2, [V6_Pipe]>], [3, 2, 1]>, + // + // Compare instructions + InstrItinData<IIC_iCMPi , [InstrStage<1, [V6_Pipe]>], [2]>, + InstrItinData<IIC_iCMPr , [InstrStage<1, [V6_Pipe]>], [2, 2]>, + InstrItinData<IIC_iCMPsi , [InstrStage<1, [V6_Pipe]>], [2, 1]>, + InstrItinData<IIC_iCMPsr , [InstrStage<2, [V6_Pipe]>], [3, 2, 1]>, + // + // Move instructions, unconditional + InstrItinData<IIC_iMOVi , [InstrStage<1, [V6_Pipe]>], [2]>, + InstrItinData<IIC_iMOVr , [InstrStage<1, [V6_Pipe]>], [2, 2]>, + InstrItinData<IIC_iMOVsi , [InstrStage<1, [V6_Pipe]>], [2, 1]>, + InstrItinData<IIC_iMOVsr , [InstrStage<2, [V6_Pipe]>], [3, 2, 1]>, + // + // Move instructions, conditional + InstrItinData<IIC_iCMOVi , [InstrStage<1, [V6_Pipe]>], [3]>, + InstrItinData<IIC_iCMOVr , [InstrStage<1, [V6_Pipe]>], [3, 2]>, + InstrItinData<IIC_iCMOVsi , [InstrStage<1, [V6_Pipe]>], [3, 1]>, + InstrItinData<IIC_iCMOVsr , [InstrStage<1, [V6_Pipe]>], [4, 2, 1]>, + + // Integer multiply pipeline + // + InstrItinData<IIC_iMUL16 , [InstrStage<1, [V6_Pipe]>], [4, 1, 1]>, + InstrItinData<IIC_iMAC16 , [InstrStage<1, [V6_Pipe]>], [4, 1, 1, 2]>, + InstrItinData<IIC_iMUL32 , [InstrStage<2, [V6_Pipe]>], [5, 1, 1]>, + InstrItinData<IIC_iMAC32 , [InstrStage<2, [V6_Pipe]>], [5, 1, 1, 2]>, + InstrItinData<IIC_iMUL64 , [InstrStage<3, [V6_Pipe]>], [6, 1, 1]>, + InstrItinData<IIC_iMAC64 , [InstrStage<3, [V6_Pipe]>], [6, 1, 1, 2]>, + + // Integer load pipeline + // + // Immediate offset + InstrItinData<IIC_iLoadi , [InstrStage<1, [V6_Pipe]>], [4, 1]>, + // + // Register offset + InstrItinData<IIC_iLoadr , [InstrStage<1, [V6_Pipe]>], [4, 1, 1]>, + // + // Scaled register offset, issues over 2 cycles + InstrItinData<IIC_iLoadsi , [InstrStage<2, [V6_Pipe]>], [5, 2, 1]>, + // + // Immediate offset with update + InstrItinData<IIC_iLoadiu , [InstrStage<1, [V6_Pipe]>], [4, 2, 1]>, + // + // Register offset with update + InstrItinData<IIC_iLoadru , [InstrStage<1, [V6_Pipe]>], [4, 2, 1, 1]>, + // + // Scaled register offset with update, issues over 2 cycles + InstrItinData<IIC_iLoadsiu , [InstrStage<2, [V6_Pipe]>], [5, 2, 2, 1]>, + + // + // Load multiple + InstrItinData<IIC_iLoadm , [InstrStage<3, [V6_Pipe]>]>, + + // Integer store pipeline + // + // Immediate offset + InstrItinData<IIC_iStorei , [InstrStage<1, [V6_Pipe]>], [2, 1]>, + // + // Register offset + InstrItinData<IIC_iStorer , [InstrStage<1, [V6_Pipe]>], [2, 1, 1]>, + + // + // Scaled register offset, issues over 2 cycles + InstrItinData<IIC_iStoresi , [InstrStage<2, [V6_Pipe]>], [2, 2, 1]>, + // + // Immediate offset with update + InstrItinData<IIC_iStoreiu , [InstrStage<1, [V6_Pipe]>], [2, 2, 1]>, + // + // Register offset with update + InstrItinData<IIC_iStoreru , [InstrStage<1, [V6_Pipe]>], [2, 2, 1, 1]>, + // + // Scaled register offset with update, issues over 2 cycles + InstrItinData<IIC_iStoresiu, [InstrStage<2, [V6_Pipe]>], [2, 2, 2, 1]>, + // + // Store multiple + InstrItinData<IIC_iStorem , [InstrStage<3, [V6_Pipe]>]>, + + // Branch + // + // no delay slots, so the latency of a branch is unimportant + InstrItinData<IIC_Br , [InstrStage<1, [V6_Pipe]>]>, + + // VFP + // Issue through integer pipeline, and execute in NEON unit. We assume + // RunFast mode so that NFP pipeline is used for single-precision when + // possible. + // + // FP Special Register to Integer Register File Move + InstrItinData<IIC_fpSTAT , [InstrStage<1, [V6_Pipe]>], [3]>, + // + // Single-precision FP Unary + InstrItinData<IIC_fpUNA32 , [InstrStage<1, [V6_Pipe]>], [5, 2]>, + // + // Double-precision FP Unary + InstrItinData<IIC_fpUNA64 , [InstrStage<1, [V6_Pipe]>], [5, 2]>, + // + // Single-precision FP Compare + InstrItinData<IIC_fpCMP32 , [InstrStage<1, [V6_Pipe]>], [2, 2]>, + // + // Double-precision FP Compare + InstrItinData<IIC_fpCMP64 , [InstrStage<1, [V6_Pipe]>], [2, 2]>, + // + // Single to Double FP Convert + InstrItinData<IIC_fpCVTSD , [InstrStage<1, [V6_Pipe]>], [5, 2]>, + // + // Double to Single FP Convert + InstrItinData<IIC_fpCVTDS , [InstrStage<1, [V6_Pipe]>], [5, 2]>, + // + // Single-Precision FP to Integer Convert + InstrItinData<IIC_fpCVTSI , [InstrStage<1, [V6_Pipe]>], [9, 2]>, + // + // Double-Precision FP to Integer Convert + InstrItinData<IIC_fpCVTDI , [InstrStage<1, [V6_Pipe]>], [9, 2]>, + // + // Integer to Single-Precision FP Convert + InstrItinData<IIC_fpCVTIS , [InstrStage<1, [V6_Pipe]>], [9, 2]>, + // + // Integer to Double-Precision FP Convert + InstrItinData<IIC_fpCVTID , [InstrStage<1, [V6_Pipe]>], [9, 2]>, + // + // Single-precision FP ALU + InstrItinData<IIC_fpALU32 , [InstrStage<1, [V6_Pipe]>], [9, 2, 2]>, + // + // Double-precision FP ALU + InstrItinData<IIC_fpALU64 , [InstrStage<1, [V6_Pipe]>], [9, 2, 2]>, + // + // Single-precision FP Multiply + InstrItinData<IIC_fpMUL32 , [InstrStage<1, [V6_Pipe]>], [9, 2, 2]>, + // + // Double-precision FP Multiply + InstrItinData<IIC_fpMUL64 , [InstrStage<2, [V6_Pipe]>], [9, 2, 2]>, + // + // Single-precision FP MAC + InstrItinData<IIC_fpMAC32 , [InstrStage<1, [V6_Pipe]>], [9, 2, 2, 2]>, + // + // Double-precision FP MAC + InstrItinData<IIC_fpMAC64 , [InstrStage<2, [V6_Pipe]>], [9, 2, 2, 2]>, + // + // Single-precision FP DIV + InstrItinData<IIC_fpDIV32 , [InstrStage<15, [V6_Pipe]>], [20, 2, 2]>, + // + // Double-precision FP DIV + InstrItinData<IIC_fpDIV64 , [InstrStage<29, [V6_Pipe]>], [34, 2, 2]>, + // + // Single-precision FP SQRT + InstrItinData<IIC_fpSQRT32 , [InstrStage<15, [V6_Pipe]>], [20, 2, 2]>, + // + // Double-precision FP SQRT + InstrItinData<IIC_fpSQRT64 , [InstrStage<29, [V6_Pipe]>], [34, 2, 2]>, + // + // Single-precision FP Load + InstrItinData<IIC_fpLoad32 , [InstrStage<1, [V6_Pipe]>], [5, 2, 2]>, + // + // Double-precision FP Load + InstrItinData<IIC_fpLoad64 , [InstrStage<1, [V6_Pipe]>], [5, 2, 2]>, + // + // FP Load Multiple + InstrItinData<IIC_fpLoadm , [InstrStage<3, [V6_Pipe]>]>, + // + // Single-precision FP Store + InstrItinData<IIC_fpStore32 , [InstrStage<1, [V6_Pipe]>], [2, 2, 2]>, + // + // Double-precision FP Store + // use FU_Issue to enforce the 1 load/store per cycle limit + InstrItinData<IIC_fpStore64 , [InstrStage<1, [V6_Pipe]>], [2, 2, 2]>, + // + // FP Store Multiple + InstrItinData<IIC_fpStorem , [InstrStage<3, [V6_Pipe]>]> +]>; |
