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| author | Tony Linthicum <tlinth@codeaurora.org> | 2011-12-12 21:14:40 +0000 |
|---|---|---|
| committer | Tony Linthicum <tlinth@codeaurora.org> | 2011-12-12 21:14:40 +0000 |
| commit | b4b54153ad760c69a00a08531abef4ed434a5092 (patch) | |
| tree | 5c767f5ad7f35af4cb8dc0228769e16d62c993e7 /lib/Target/Hexagon/HexagonScheduleV4.td | |
| parent | 127a669d09e21ddcd525f493c19dc399093bef35 (diff) | |
| download | external_llvm-b4b54153ad760c69a00a08531abef4ed434a5092.zip external_llvm-b4b54153ad760c69a00a08531abef4ed434a5092.tar.gz external_llvm-b4b54153ad760c69a00a08531abef4ed434a5092.tar.bz2 | |
Hexagon backend support
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146412 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Hexagon/HexagonScheduleV4.td')
| -rw-r--r-- | lib/Target/Hexagon/HexagonScheduleV4.td | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/lib/Target/Hexagon/HexagonScheduleV4.td b/lib/Target/Hexagon/HexagonScheduleV4.td new file mode 100644 index 0000000..4cf66fe --- /dev/null +++ b/lib/Target/Hexagon/HexagonScheduleV4.td @@ -0,0 +1,56 @@ +//=-HexagonScheduleV4.td - HexagonV4 Scheduling Definitions --*- tablegen -*-=// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// There are four SLOTS (four parallel pipelines) in Hexagon V4 machine. +// This file describes that machine information. + +// +// |===========|==================================================| +// | PIPELINE | Instruction Classes | +// |===========|==================================================| +// | SLOT0 | LD ST ALU32 MEMOP NV SYSTEM | +// |-----------|--------------------------------------------------| +// | SLOT1 | LD ST ALU32 | +// |-----------|--------------------------------------------------| +// | SLOT2 | XTYPE ALU32 J JR | +// |-----------|--------------------------------------------------| +// | SLOT3 | XTYPE ALU32 J CR | +// |===========|==================================================| + + +// Functional Units. +def SLOT0 : FuncUnit; +def SLOT1 : FuncUnit; +def SLOT2 : FuncUnit; +def SLOT3 : FuncUnit; + +// Itinerary classes. +def NV_V4 : InstrItinClass; +def MEM_V4 : InstrItinClass; +// ALU64/M/S Instruction classes of V2 are collectively knownn as XTYPE in V4. + +def HexagonItinerariesV4 : ProcessorItineraries< + [SLOT0, SLOT1, SLOT2, SLOT3], [], [ + InstrItinData<LD , [InstrStage<1, [SLOT0, SLOT1]>]>, + InstrItinData<ST , [InstrStage<1, [SLOT0, SLOT1]>]>, + InstrItinData<ALU32 , [InstrStage<1, [SLOT0, SLOT1, SLOT2, SLOT3]>]>, + InstrItinData<NV_V4 , [InstrStage<1, [SLOT0]>]>, + InstrItinData<MEM_V4 , [InstrStage<1, [SLOT0]>]>, + InstrItinData<J , [InstrStage<1, [SLOT2, SLOT3]>]>, + InstrItinData<JR , [InstrStage<1, [SLOT2]>]>, + InstrItinData<CR , [InstrStage<1, [SLOT3]>]>, + InstrItinData<PSEUDO , [InstrStage<1, [SLOT0, SLOT1, SLOT2, SLOT3]>]>, + InstrItinData<ALU64 , [InstrStage<1, [SLOT2, SLOT3]>]>, + InstrItinData<M , [InstrStage<1, [SLOT2, SLOT3]>]>, + InstrItinData<S , [InstrStage<1, [SLOT2, SLOT3]>]> +]>; + +//===----------------------------------------------------------------------===// +// Hexagon V4 Resource Definitions - +//===----------------------------------------------------------------------===// |