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Diffstat (limited to 'lib/Target/R600/AMDILInstrInfo.td')
| -rw-r--r-- | lib/Target/R600/AMDILInstrInfo.td | 273 |
1 files changed, 273 insertions, 0 deletions
diff --git a/lib/Target/R600/AMDILInstrInfo.td b/lib/Target/R600/AMDILInstrInfo.td new file mode 100644 index 0000000000..ac6745148e --- /dev/null +++ b/lib/Target/R600/AMDILInstrInfo.td @@ -0,0 +1,273 @@ +//===------------ AMDILInstrInfo.td - AMDIL Target ------*-tablegen-*------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//==-----------------------------------------------------------------------===// +// +// This file describes the AMDIL instructions in TableGen format. +// +//===----------------------------------------------------------------------===// +// AMDIL Instruction Predicate Definitions +// Predicate that is set to true if the hardware supports double precision +// divide +def HasHWDDiv : Predicate<"Subtarget.device()" + "->getGeneration() > AMDGPUDeviceInfo::HD4XXX && " + "Subtarget.device()->usesHardware(AMDGPUDeviceInfo::DoubleOps)">; + +// Predicate that is set to true if the hardware supports double, but not double +// precision divide in hardware +def HasSWDDiv : Predicate<"Subtarget.device()" + "->getGeneration() == AMDGPUDeviceInfo::HD4XXX &&" + "Subtarget.device()->usesHardware(AMDGPUDeviceInfo::DoubleOps)">; + +// Predicate that is set to true if the hardware support 24bit signed +// math ops. Otherwise a software expansion to 32bit math ops is used instead. +def HasHWSign24Bit : Predicate<"Subtarget.device()" + "->getGeneration() > AMDGPUDeviceInfo::HD5XXX">; + +// Predicate that is set to true if 64bit operations are supported or not +def HasHW64Bit : Predicate<"Subtarget.device()" + "->usesHardware(AMDGPUDeviceInfo::LongOps)">; +def HasSW64Bit : Predicate<"Subtarget.device()" + "->usesSoftware(AMDGPUDeviceInfo::LongOps)">; + +// Predicate that is set to true if the timer register is supported +def HasTmrRegister : Predicate<"Subtarget.device()" + "->isSupported(AMDGPUDeviceInfo::TmrReg)">; +// Predicate that is true if we are at least evergreen series +def HasDeviceIDInst : Predicate<"Subtarget.device()" + "->getGeneration() >= AMDGPUDeviceInfo::HD5XXX">; + +// Predicate that is true if we have region address space. +def hasRegionAS : Predicate<"Subtarget.device()" + "->usesHardware(AMDGPUDeviceInfo::RegionMem)">; + +// Predicate that is false if we don't have region address space. +def noRegionAS : Predicate<"!Subtarget.device()" + "->isSupported(AMDGPUDeviceInfo::RegionMem)">; + + +// Predicate that is set to true if 64bit Mul is supported in the IL or not +def HasHW64Mul : Predicate<"Subtarget.calVersion()" + ">= CAL_VERSION_SC_139" + "&& Subtarget.device()" + "->getGeneration() >=" + "AMDGPUDeviceInfo::HD5XXX">; +def HasSW64Mul : Predicate<"Subtarget.calVersion()" + "< CAL_VERSION_SC_139">; +// Predicate that is set to true if 64bit Div/Mod is supported in the IL or not +def HasHW64DivMod : Predicate<"Subtarget.device()" + "->usesHardware(AMDGPUDeviceInfo::HW64BitDivMod)">; +def HasSW64DivMod : Predicate<"Subtarget.device()" + "->usesSoftware(AMDGPUDeviceInfo::HW64BitDivMod)">; + +// Predicate that is set to true if 64bit pointer are used. +def Has64BitPtr : Predicate<"Subtarget.is64bit()">; +def Has32BitPtr : Predicate<"!Subtarget.is64bit()">; +//===--------------------------------------------------------------------===// +// Custom Operands +//===--------------------------------------------------------------------===// +def brtarget : Operand<OtherVT>; + +//===--------------------------------------------------------------------===// +// Custom Selection DAG Type Profiles +//===--------------------------------------------------------------------===// +//===----------------------------------------------------------------------===// +// Generic Profile Types +//===----------------------------------------------------------------------===// + +def SDTIL_GenBinaryOp : SDTypeProfile<1, 2, [ + SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2> + ]>; +def SDTIL_GenTernaryOp : SDTypeProfile<1, 3, [ + SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>, SDTCisSameAs<2, 3> + ]>; +def SDTIL_GenVecBuild : SDTypeProfile<1, 1, [ + SDTCisEltOfVec<1, 0> + ]>; + +//===----------------------------------------------------------------------===// +// Flow Control Profile Types +//===----------------------------------------------------------------------===// +// Branch instruction where second and third are basic blocks +def SDTIL_BRCond : SDTypeProfile<0, 2, [ + SDTCisVT<0, OtherVT> + ]>; + +//===--------------------------------------------------------------------===// +// Custom Selection DAG Nodes +//===--------------------------------------------------------------------===// +//===----------------------------------------------------------------------===// +// Flow Control DAG Nodes +//===----------------------------------------------------------------------===// +def IL_brcond : SDNode<"AMDGPUISD::BRANCH_COND", SDTIL_BRCond, [SDNPHasChain]>; + +//===----------------------------------------------------------------------===// +// Call/Return DAG Nodes +//===----------------------------------------------------------------------===// +def IL_retflag : SDNode<"AMDGPUISD::RET_FLAG", SDTNone, + [SDNPHasChain, SDNPOptInGlue]>; + +//===--------------------------------------------------------------------===// +// Instructions +//===--------------------------------------------------------------------===// +// Floating point math functions +def IL_div_inf : SDNode<"AMDGPUISD::DIV_INF", SDTIL_GenBinaryOp>; +def IL_mad : SDNode<"AMDGPUISD::MAD", SDTIL_GenTernaryOp>; + +//===----------------------------------------------------------------------===// +// Integer functions +//===----------------------------------------------------------------------===// +def IL_umul : SDNode<"AMDGPUISD::UMUL" , SDTIntBinOp, + [SDNPCommutative, SDNPAssociative]>; + +//===--------------------------------------------------------------------===// +// Custom Pattern DAG Nodes +//===--------------------------------------------------------------------===// +def global_store : PatFrag<(ops node:$val, node:$ptr), + (store node:$val, node:$ptr), [{ + return isGlobalStore(dyn_cast<StoreSDNode>(N)); +}]>; + +//===----------------------------------------------------------------------===// +// Load pattern fragments +//===----------------------------------------------------------------------===// +// Global address space loads +def global_load : PatFrag<(ops node:$ptr), (load node:$ptr), [{ + return isGlobalLoad(dyn_cast<LoadSDNode>(N)); +}]>; +// Constant address space loads +def constant_load : PatFrag<(ops node:$ptr), (load node:$ptr), [{ + return isConstantLoad(dyn_cast<LoadSDNode>(N), -1); +}]>; + +//===----------------------------------------------------------------------===// +// Complex addressing mode patterns +//===----------------------------------------------------------------------===// +def ADDR : ComplexPattern<i32, 2, "SelectADDR", [], []>; +def ADDRF : ComplexPattern<i32, 2, "SelectADDR", [frameindex], []>; +def ADDR64 : ComplexPattern<i64, 2, "SelectADDR64", [], []>; +def ADDR64F : ComplexPattern<i64, 2, "SelectADDR64", [frameindex], []>; + +//===----------------------------------------------------------------------===// +// Instruction format classes +//===----------------------------------------------------------------------===// +class ILFormat<dag outs, dag ins, string asmstr, list<dag> pattern> +: Instruction { + + let Namespace = "AMDGPU"; + dag OutOperandList = outs; + dag InOperandList = ins; + let Pattern = pattern; + let AsmString = !strconcat(asmstr, "\n"); + let isPseudo = 1; + let Itinerary = NullALU; + bit hasIEEEFlag = 0; + bit hasZeroOpFlag = 0; + let mayLoad = 0; + let mayStore = 0; + let hasSideEffects = 0; +} + +//===--------------------------------------------------------------------===// +// Multiclass Instruction formats +//===--------------------------------------------------------------------===// +// Multiclass that handles branch instructions +multiclass BranchConditional<SDNode Op> { + def _i32 : ILFormat<(outs), + (ins brtarget:$target, GPRI32:$src0), + "; i32 Pseudo branch instruction", + [(Op bb:$target, GPRI32:$src0)]>; + def _f32 : ILFormat<(outs), + (ins brtarget:$target, GPRF32:$src0), + "; f32 Pseudo branch instruction", + [(Op bb:$target, GPRF32:$src0)]>; +} + +// Only scalar types should generate flow control +multiclass BranchInstr<string name> { + def _i32 : ILFormat<(outs), (ins GPRI32:$src), + !strconcat(name, " $src"), []>; + def _f32 : ILFormat<(outs), (ins GPRF32:$src), + !strconcat(name, " $src"), []>; +} +// Only scalar types should generate flow control +multiclass BranchInstr2<string name> { + def _i32 : ILFormat<(outs), (ins GPRI32:$src0, GPRI32:$src1), + !strconcat(name, " $src0, $src1"), []>; + def _f32 : ILFormat<(outs), (ins GPRF32:$src0, GPRF32:$src1), + !strconcat(name, " $src0, $src1"), []>; +} + +//===--------------------------------------------------------------------===// +// Intrinsics support +//===--------------------------------------------------------------------===// +include "AMDILIntrinsics.td" + +//===--------------------------------------------------------------------===// +// Instructions support +//===--------------------------------------------------------------------===// +//===---------------------------------------------------------------------===// +// Custom Inserter for Branches and returns, this eventually will be a +// seperate pass +//===---------------------------------------------------------------------===// +let isTerminator = 1, usesCustomInserter = 1, isBranch = 1, isBarrier = 1 in { + def BRANCH : ILFormat<(outs), (ins brtarget:$target), + "; Pseudo unconditional branch instruction", + [(br bb:$target)]>; + defm BRANCH_COND : BranchConditional<IL_brcond>; +} + +//===---------------------------------------------------------------------===// +// Flow and Program control Instructions +//===---------------------------------------------------------------------===// +let isTerminator=1 in { + def SWITCH : ILFormat< (outs), (ins GPRI32:$src), + !strconcat("SWITCH", " $src"), []>; + def CASE : ILFormat< (outs), (ins GPRI32:$src), + !strconcat("CASE", " $src"), []>; + def BREAK : ILFormat< (outs), (ins), + "BREAK", []>; + def CONTINUE : ILFormat< (outs), (ins), + "CONTINUE", []>; + def DEFAULT : ILFormat< (outs), (ins), + "DEFAULT", []>; + def ELSE : ILFormat< (outs), (ins), + "ELSE", []>; + def ENDSWITCH : ILFormat< (outs), (ins), + "ENDSWITCH", []>; + def ENDMAIN : ILFormat< (outs), (ins), + "ENDMAIN", []>; + def END : ILFormat< (outs), (ins), + "END", []>; + def ENDFUNC : ILFormat< (outs), (ins), + "ENDFUNC", []>; + def ENDIF : ILFormat< (outs), (ins), + "ENDIF", []>; + def WHILELOOP : ILFormat< (outs), (ins), + "WHILE", []>; + def ENDLOOP : ILFormat< (outs), (ins), + "ENDLOOP", []>; + def FUNC : ILFormat< (outs), (ins), + "FUNC", []>; + def RETDYN : ILFormat< (outs), (ins), + "RET_DYN", []>; + // This opcode has custom swizzle pattern encoded in Swizzle Encoder + defm IF_LOGICALNZ : BranchInstr<"IF_LOGICALNZ">; + // This opcode has custom swizzle pattern encoded in Swizzle Encoder + defm IF_LOGICALZ : BranchInstr<"IF_LOGICALZ">; + // This opcode has custom swizzle pattern encoded in Swizzle Encoder + defm BREAK_LOGICALNZ : BranchInstr<"BREAK_LOGICALNZ">; + // This opcode has custom swizzle pattern encoded in Swizzle Encoder + defm BREAK_LOGICALZ : BranchInstr<"BREAK_LOGICALZ">; + // This opcode has custom swizzle pattern encoded in Swizzle Encoder + defm CONTINUE_LOGICALNZ : BranchInstr<"CONTINUE_LOGICALNZ">; + // This opcode has custom swizzle pattern encoded in Swizzle Encoder + defm CONTINUE_LOGICALZ : BranchInstr<"CONTINUE_LOGICALZ">; + defm IFC : BranchInstr2<"IFC">; + defm BREAKC : BranchInstr2<"BREAKC">; + defm CONTINUEC : BranchInstr2<"CONTINUEC">; +} |