diff options
Diffstat (limited to 'src/gallium/drivers/radeon/MCTargetDesc')
4 files changed, 724 insertions, 13 deletions
diff --git a/src/gallium/drivers/radeon/MCTargetDesc/AMDILMCTargetDesc.cpp b/src/gallium/drivers/radeon/MCTargetDesc/AMDILMCTargetDesc.cpp index 6da38a67305..bb447359a7a 100644 --- a/src/gallium/drivers/radeon/MCTargetDesc/AMDILMCTargetDesc.cpp +++ b/src/gallium/drivers/radeon/MCTargetDesc/AMDILMCTargetDesc.cpp @@ -57,6 +57,16 @@ static MCInstPrinter *createAMDGPUMCInstPrinter(const Target &T, return new AMDGPUInstPrinter(MAI, MII, MRI); } +static MCCodeEmitter *createAMDGPUMCCodeEmitter(const MCInstrInfo &MCII, + const MCSubtargetInfo &STI, + MCContext &Ctx) { + if (STI.getFeatureBits() & AMDGPU::Feature64BitPtr) { + return createSIMCCodeEmitter(MCII, STI, Ctx); + } else { + return createR600MCCodeEmitter(MCII, STI, Ctx); + } +} + static MCStreamer *createMCStreamer(const Target &T, StringRef TT, MCContext &Ctx, MCAsmBackend &MAB, raw_ostream &_OS, diff --git a/src/gallium/drivers/radeon/MCTargetDesc/AMDILMCTargetDesc.h b/src/gallium/drivers/radeon/MCTargetDesc/AMDILMCTargetDesc.h index d693ecc7069..3ff5daf8b61 100644 --- a/src/gallium/drivers/radeon/MCTargetDesc/AMDILMCTargetDesc.h +++ b/src/gallium/drivers/radeon/MCTargetDesc/AMDILMCTargetDesc.h @@ -28,9 +28,13 @@ class Target; extern Target TheAMDGPUTarget; -MCCodeEmitter *createAMDGPUMCCodeEmitter(const MCInstrInfo &MCII, - const MCSubtargetInfo &STI, - MCContext &Ctx); +MCCodeEmitter *createR600MCCodeEmitter(const MCInstrInfo &MCII, + const MCSubtargetInfo &STI, + MCContext &Ctx); + +MCCodeEmitter *createSIMCCodeEmitter(const MCInstrInfo &MCII, + const MCSubtargetInfo &STI, + MCContext &Ctx); MCAsmBackend *createAMDGPUAsmBackend(const Target &T, StringRef TT); } // End llvm namespace diff --git a/src/gallium/drivers/radeon/MCTargetDesc/R600MCCodeEmitter.cpp b/src/gallium/drivers/radeon/MCTargetDesc/R600MCCodeEmitter.cpp new file mode 100644 index 00000000000..99db28be3ab --- /dev/null +++ b/src/gallium/drivers/radeon/MCTargetDesc/R600MCCodeEmitter.cpp @@ -0,0 +1,703 @@ +//===- R600MCCodeEmitter.cpp - Code Emitter for R600->Cayman GPU families -===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This code emitters outputs bytecode that is understood by the r600g driver +// in the Mesa [1] project. The bytecode is very similar to the hardware's ISA, +// except that the size of the instruction fields are rounded up to the +// nearest byte. +// +// [1] http://www.mesa3d.org/ +// +//===----------------------------------------------------------------------===// + +#include "R600Defines.h" +#include "MCTargetDesc/AMDILMCTargetDesc.h" +#include "MCTargetDesc/AMDGPUMCCodeEmitter.h" +#include "llvm/MC/MCCodeEmitter.h" +#include "llvm/MC/MCContext.h" +#include "llvm/MC/MCInst.h" +#include "llvm/MC/MCInstrInfo.h" +#include "llvm/MC/MCRegisterInfo.h" +#include "llvm/MC/MCSubtargetInfo.h" +#include "llvm/Support/raw_ostream.h" + +#include <stdio.h> + +#define SRC_BYTE_COUNT 11 +#define DST_BYTE_COUNT 5 + +using namespace llvm; + +namespace { + +class R600MCCodeEmitter : public AMDGPUMCCodeEmitter { + R600MCCodeEmitter(const R600MCCodeEmitter &); // DO NOT IMPLEMENT + void operator=(const R600MCCodeEmitter &); // DO NOT IMPLEMENT + const MCInstrInfo &MCII; + const MCSubtargetInfo &STI; + MCContext &Ctx; + +public: + + R600MCCodeEmitter(const MCInstrInfo &mcii, const MCSubtargetInfo &sti, + MCContext &ctx) + : MCII(mcii), STI(sti), Ctx(ctx) { } + + /// EncodeInstruction - Encode the instruction and write it to the OS. + virtual void EncodeInstruction(const MCInst &MI, raw_ostream &OS, + SmallVectorImpl<MCFixup> &Fixups) const; + + /// getMachineOpValue - Reutrn the encoding for an MCOperand. + virtual uint64_t getMachineOpValue(const MCInst &MI, const MCOperand &MO, + SmallVectorImpl<MCFixup> &Fixups) const; +private: + + void EmitALUInstr(const MCInst &MI, SmallVectorImpl<MCFixup> &Fixups, + raw_ostream &OS) const; + void EmitSrc(const MCInst &MI, unsigned OpIdx, raw_ostream &OS) const; + void EmitDst(const MCInst &MI, raw_ostream &OS) const; + void EmitALU(const MCInst &MI, unsigned numSrc, + SmallVectorImpl<MCFixup> &Fixups, + raw_ostream &OS) const; + void EmitTexInstr(const MCInst &MI, SmallVectorImpl<MCFixup> &Fixups, + raw_ostream &OS) const; + void EmitFCInstr(const MCInst &MI, raw_ostream &OS) const; + + void EmitNullBytes(unsigned int byteCount, raw_ostream &OS) const; + + void EmitByte(unsigned int byte, raw_ostream &OS) const; + + void EmitTwoBytes(uint32_t bytes, raw_ostream &OS) const; + + void Emit(uint32_t value, raw_ostream &OS) const; + void Emit(uint64_t value, raw_ostream &OS) const; + + unsigned getHWRegIndex(unsigned reg) const; + unsigned getHWRegChan(unsigned reg) const; + unsigned getHWReg(unsigned regNo) const; + + bool isFCOp(unsigned opcode) const; + bool isTexOp(unsigned opcode) const; + bool isFlagSet(const MCInst &MI, unsigned Operand, unsigned Flag) const; + + /// getHWRegIndexGen - Get the register's hardware index. Implemented in + /// R600HwRegInfo.include. + unsigned getHWRegIndexGen(unsigned int Reg) const; + + /// getHWRegChanGen - Get the register's channel. Implemented in + /// R600HwRegInfo.include. + unsigned getHWRegChanGen(unsigned int Reg) const; +}; + +} // End anonymous namespace + +enum RegElement { + ELEMENT_X = 0, + ELEMENT_Y, + ELEMENT_Z, + ELEMENT_W +}; + +enum InstrTypes { + INSTR_ALU = 0, + INSTR_TEX, + INSTR_FC, + INSTR_NATIVE, + INSTR_VTX +}; + +enum FCInstr { + FC_IF = 0, + FC_IF_INT, + FC_ELSE, + FC_ENDIF, + FC_BGNLOOP, + FC_ENDLOOP, + FC_BREAK, + FC_BREAK_NZ_INT, + FC_CONTINUE, + FC_BREAK_Z_INT, + FC_BREAK_NZ +}; + +enum TextureTypes { + TEXTURE_1D = 1, + TEXTURE_2D, + TEXTURE_3D, + TEXTURE_CUBE, + TEXTURE_RECT, + TEXTURE_SHADOW1D, + TEXTURE_SHADOW2D, + TEXTURE_SHADOWRECT, + TEXTURE_1D_ARRAY, + TEXTURE_2D_ARRAY, + TEXTURE_SHADOW1D_ARRAY, + TEXTURE_SHADOW2D_ARRAY +}; + +MCCodeEmitter *llvm::createR600MCCodeEmitter(const MCInstrInfo &MCII, + const MCSubtargetInfo &STI, + MCContext &Ctx) { + return new R600MCCodeEmitter(MCII, STI, Ctx); +} + +void R600MCCodeEmitter::EncodeInstruction(const MCInst &MI, raw_ostream &OS, + SmallVectorImpl<MCFixup> &Fixups) const { +/* + if (MI.getNumOperands() > 1 && MI.getOperand(0).isReg() && + MI.getOperand(0).isDead()) { + return; + } +*/ + if (isTexOp(MI.getOpcode())) { + EmitTexInstr(MI, Fixups, OS); + } else if (isFCOp(MI.getOpcode())){ + EmitFCInstr(MI, OS); + } else if (MI.getOpcode() == AMDGPU::RETURN || + MI.getOpcode() == AMDGPU::BUNDLE || + MI.getOpcode() == AMDGPU::KILL) { + return; + } else { + switch(MI.getOpcode()) { + case AMDGPU::RAT_WRITE_CACHELESS_eg: + { + uint64_t inst = getBinaryCodeForInstr(MI, Fixups); + // XXX: Set End Of Program bit when necessary + // inst |= (((uint64_t)1) << 53); + EmitByte(INSTR_NATIVE, OS); + Emit(inst, OS); + break; + } + case AMDGPU::VTX_READ_PARAM_i32_eg: + case AMDGPU::VTX_READ_PARAM_f32_eg: + case AMDGPU::VTX_READ_GLOBAL_i32_eg: + case AMDGPU::VTX_READ_GLOBAL_f32_eg: + case AMDGPU::VTX_READ_GLOBAL_v4i32_eg: + case AMDGPU::VTX_READ_GLOBAL_v4f32_eg: + { + uint64_t InstWord01 = getBinaryCodeForInstr(MI, Fixups); + uint32_t InstWord2 = MI.getOperand(2).getImm(); // Offset + + EmitByte(INSTR_VTX, OS); + Emit(InstWord01, OS); + Emit(InstWord2, OS); + break; + } + + default: + EmitALUInstr(MI, Fixups, OS); + break; + } + } +} + +void R600MCCodeEmitter::EmitALUInstr(const MCInst &MI, + SmallVectorImpl<MCFixup> &Fixups, + raw_ostream &OS) const { + const MCInstrDesc &MCDesc = MCII.get(MI.getOpcode()); + unsigned NumOperands = MI.getNumOperands(); + + if(MCDesc.findFirstPredOperandIdx() > -1) + NumOperands--; + + if (GET_FLAG_OPERAND_IDX(MCDesc.TSFlags) != 0) + NumOperands--; + + // Some instructions are just place holder instructions that represent + // operations that the GPU does automatically. They should be ignored. +// if (TII->isPlaceHolderOpcode(MI.getOpcode())) { +// return; +// } + + if(MI.getOpcode() == AMDGPU::PRED_X) + NumOperands = 2; + + // XXX Check if instruction writes a result + if (NumOperands < 1) { + return; + } + + // Emit instruction type + EmitByte(0, OS); + + unsigned int OpIndex; + for (OpIndex = 1; OpIndex < NumOperands; OpIndex++) { + // Literal constants are always stored as the last operand. + if (MI.getOperand(OpIndex).isImm() || MI.getOperand(OpIndex).isFPImm()) { + break; + } + EmitSrc(MI, OpIndex, OS); + } + + // Emit zeros for unused sources + for ( ; OpIndex < 4; OpIndex++) { + EmitNullBytes(SRC_BYTE_COUNT, OS); + } + + EmitDst(MI, OS); + + EmitALU(MI, NumOperands - 1, Fixups, OS); +} + +void R600MCCodeEmitter::EmitSrc(const MCInst &MI, unsigned OpIdx, + raw_ostream &OS) const { + const MCOperand &MO = MI.getOperand(OpIdx); + union { + float f; + uint32_t i; + } Value; + Value.i = 0; + // Emit the source select (2 bytes). For GPRs, this is the register index. + // For other potential instruction operands, (e.g. constant registers) the + // value of the source select is defined in the r600isa docs. + if (MO.isReg()) { + unsigned reg = MO.getReg(); + EmitTwoBytes(getHWReg(reg), OS); + if (reg == AMDGPU::ALU_LITERAL_X) { + unsigned ImmOpIndex = MI.getNumOperands() - 1; + MCOperand ImmOp = MI.getOperand(ImmOpIndex); + if (ImmOp.isFPImm()) { + Value.f = ImmOp.getFPImm(); + } else { + assert(ImmOp.isImm()); + Value.i = ImmOp.getImm(); + } + } + } else { + // XXX: Handle other operand types. + EmitTwoBytes(0, OS); + } + + // Emit the source channel (1 byte) + if (MO.isReg()) { + EmitByte(getHWRegChan(MO.getReg()), OS); + } else { + EmitByte(0, OS); + } + + // XXX: Emit isNegated (1 byte) + if ((!(isFlagSet(MI, OpIdx, MO_FLAG_ABS))) + && (isFlagSet(MI, OpIdx, MO_FLAG_NEG) || + (MO.isReg() && + (MO.getReg() == AMDGPU::NEG_ONE || MO.getReg() == AMDGPU::NEG_HALF)))){ + EmitByte(1, OS); + } else { + EmitByte(0, OS); + } + + // Emit isAbsolute (1 byte) + if (isFlagSet(MI, OpIdx, MO_FLAG_ABS)) { + EmitByte(1, OS); + } else { + EmitByte(0, OS); + } + + // XXX: Emit relative addressing mode (1 byte) + EmitByte(0, OS); + + // Emit kc_bank, This will be adjusted later by r600_asm + EmitByte(0, OS); + + // Emit the literal value, if applicable (4 bytes). + Emit(Value.i, OS); + +} + +void R600MCCodeEmitter::EmitDst(const MCInst &MI, raw_ostream &OS) const { + + const MCOperand &MO = MI.getOperand(0); + if (MO.isReg() && MO.getReg() != AMDGPU::PREDICATE_BIT) { + // Emit the destination register index (1 byte) + EmitByte(getHWReg(MO.getReg()), OS); + + // Emit the element of the destination register (1 byte) + EmitByte(getHWRegChan(MO.getReg()), OS); + + // Emit isClamped (1 byte) + if (isFlagSet(MI, 0, MO_FLAG_CLAMP)) { + EmitByte(1, OS); + } else { + EmitByte(0, OS); + } + + // Emit writemask (1 byte). + if (isFlagSet(MI, 0, MO_FLAG_MASK)) { + EmitByte(0, OS); + } else { + EmitByte(1, OS); + } + + // XXX: Emit relative addressing mode + EmitByte(0, OS); + } else { + // XXX: Handle other operand types. Are there any for destination regs? + EmitNullBytes(DST_BYTE_COUNT, OS); + } +} + +void R600MCCodeEmitter::EmitALU(const MCInst &MI, unsigned numSrc, + SmallVectorImpl<MCFixup> &Fixups, + raw_ostream &OS) const { + const MCInstrDesc &MCDesc = MCII.get(MI.getOpcode()); + + // Emit the instruction (2 bytes) + EmitTwoBytes(getBinaryCodeForInstr(MI, Fixups), OS); + + // Emit IsLast (for this instruction group) (1 byte) + if (isFlagSet(MI, 0, MO_FLAG_NOT_LAST)) { + EmitByte(0, OS); + } else { + EmitByte(1, OS); + } + + // Emit isOp3 (1 byte) + if (numSrc == 3) { + EmitByte(1, OS); + } else { + EmitByte(0, OS); + } + + // XXX: Emit push modifier + if(isFlagSet(MI, 1, MO_FLAG_PUSH)) { + EmitByte(1, OS); + } else { + EmitByte(0, OS); + } + + // XXX: Emit predicate (1 byte) + int PredIdx = MCDesc.findFirstPredOperandIdx(); + if (PredIdx > -1) + switch(MI.getOperand(PredIdx).getReg()) { + case AMDGPU::PRED_SEL_ZERO: + EmitByte(2, OS); + break; + case AMDGPU::PRED_SEL_ONE: + EmitByte(3, OS); + break; + default: + EmitByte(0, OS); + break; + } + else { + EmitByte(0, OS); + } + + + // XXX: Emit bank swizzle. (1 byte) Do we need this? It looks like + // r600_asm.c sets it. + EmitByte(0, OS); + + // XXX: Emit bank_swizzle_force (1 byte) Not sure what this is for. + EmitByte(0, OS); + + // XXX: Emit OMOD (1 byte) Not implemented. + EmitByte(0, OS); + + // XXX: Emit index_mode. I think this is for indirect addressing, so we + // don't need to worry about it. + EmitByte(0, OS); +} + +void R600MCCodeEmitter::EmitTexInstr(const MCInst &MI, + SmallVectorImpl<MCFixup> &Fixups, + raw_ostream &OS) const { + + unsigned opcode = MI.getOpcode(); + bool hasOffsets = (opcode == AMDGPU::TEX_LD); + unsigned op_offset = hasOffsets ? 3 : 0; + int64_t sampler = MI.getOperand(op_offset+2).getImm(); + int64_t textureType = MI.getOperand(op_offset+3).getImm(); + unsigned srcSelect[4] = {0, 1, 2, 3}; + + // Emit instruction type + EmitByte(1, OS); + + // Emit instruction + EmitByte(getBinaryCodeForInstr(MI, Fixups), OS); + + // XXX: Emit resource id r600_shader.c uses sampler + 1. Why? + EmitByte(sampler + 1 + 1, OS); + + // Emit source register + EmitByte(getHWReg(MI.getOperand(1).getReg()), OS); + + // XXX: Emit src isRelativeAddress + EmitByte(0, OS); + + // Emit destination register + EmitByte(getHWReg(MI.getOperand(0).getReg()), OS); + + // XXX: Emit dst isRealtiveAddress + EmitByte(0, OS); + + // XXX: Emit dst select + EmitByte(0, OS); // X + EmitByte(1, OS); // Y + EmitByte(2, OS); // Z + EmitByte(3, OS); // W + + // XXX: Emit lod bias + EmitByte(0, OS); + + // XXX: Emit coord types + unsigned coordType[4] = {1, 1, 1, 1}; + + if (textureType == TEXTURE_RECT + || textureType == TEXTURE_SHADOWRECT) { + coordType[ELEMENT_X] = 0; + coordType[ELEMENT_Y] = 0; + } + + if (textureType == TEXTURE_1D_ARRAY + || textureType == TEXTURE_SHADOW1D_ARRAY) { + if (opcode == AMDGPU::TEX_SAMPLE_C_L || opcode == AMDGPU::TEX_SAMPLE_C_LB) { + coordType[ELEMENT_Y] = 0; + } else { + coordType[ELEMENT_Z] = 0; + srcSelect[ELEMENT_Z] = ELEMENT_Y; + } + } else if (textureType == TEXTURE_2D_ARRAY + || textureType == TEXTURE_SHADOW2D_ARRAY) { + coordType[ELEMENT_Z] = 0; + } + + for (unsigned i = 0; i < 4; i++) { + EmitByte(coordType[i], OS); + } + + // XXX: Emit offsets + if (hasOffsets) + for (unsigned i = 2; i < 5; i++) + EmitByte(MI.getOperand(i).getImm()<<1, OS); + else + EmitNullBytes(3, OS); + + // Emit sampler id + EmitByte(sampler, OS); + + // XXX:Emit source select + if ((textureType == TEXTURE_SHADOW1D + || textureType == TEXTURE_SHADOW2D + || textureType == TEXTURE_SHADOWRECT + || textureType == TEXTURE_SHADOW1D_ARRAY) + && opcode != AMDGPU::TEX_SAMPLE_C_L + && opcode != AMDGPU::TEX_SAMPLE_C_LB) { + srcSelect[ELEMENT_W] = ELEMENT_Z; + } + + for (unsigned i = 0; i < 4; i++) { + EmitByte(srcSelect[i], OS); + } +} + +void R600MCCodeEmitter::EmitFCInstr(const MCInst &MI, raw_ostream &OS) const { + + // Emit instruction type + EmitByte(INSTR_FC, OS); + + // Emit SRC + unsigned NumOperands = MI.getNumOperands(); + if (NumOperands > 0) { + assert(NumOperands == 1); + EmitSrc(MI, 0, OS); + } else { + EmitNullBytes(SRC_BYTE_COUNT, OS); + } + + // Emit FC Instruction + enum FCInstr instr; + switch (MI.getOpcode()) { + case AMDGPU::BREAK_LOGICALZ_f32: + instr = FC_BREAK; + break; + case AMDGPU::BREAK_LOGICALNZ_f32: + instr = FC_BREAK_NZ; + break; + case AMDGPU::BREAK_LOGICALNZ_i32: + instr = FC_BREAK_NZ_INT; + break; + case AMDGPU::BREAK_LOGICALZ_i32: + instr = FC_BREAK_Z_INT; + break; + case AMDGPU::CONTINUE_LOGICALNZ_f32: + case AMDGPU::CONTINUE_LOGICALNZ_i32: + instr = FC_CONTINUE; + break; + case AMDGPU::IF_LOGICALNZ_f32: + instr = FC_IF; + case AMDGPU::IF_LOGICALNZ_i32: + instr = FC_IF_INT; + break; + case AMDGPU::IF_LOGICALZ_f32: + abort(); + break; + case AMDGPU::ELSE: + instr = FC_ELSE; + break; + case AMDGPU::ENDIF: + instr = FC_ENDIF; + break; + case AMDGPU::ENDLOOP: + instr = FC_ENDLOOP; + break; + case AMDGPU::WHILELOOP: + instr = FC_BGNLOOP; + break; + default: + abort(); + break; + } + EmitByte(instr, OS); +} + +void R600MCCodeEmitter::EmitNullBytes(unsigned int ByteCount, + raw_ostream &OS) const { + + for (unsigned int i = 0; i < ByteCount; i++) { + EmitByte(0, OS); + } +} + +void R600MCCodeEmitter::EmitByte(unsigned int Byte, raw_ostream &OS) const { + OS.write((uint8_t) Byte & 0xff); +} + +void R600MCCodeEmitter::EmitTwoBytes(unsigned int Bytes, + raw_ostream &OS) const { + OS.write((uint8_t) (Bytes & 0xff)); + OS.write((uint8_t) ((Bytes >> 8) & 0xff)); +} + +void R600MCCodeEmitter::Emit(uint32_t Value, raw_ostream &OS) const { + for (unsigned i = 0; i < 4; i++) { + OS.write((uint8_t) ((Value >> (8 * i)) & 0xff)); + } +} + +void R600MCCodeEmitter::Emit(uint64_t Value, raw_ostream &OS) const { + for (unsigned i = 0; i < 8; i++) { + EmitByte((Value >> (8 * i)) & 0xff, OS); + } +} + +unsigned R600MCCodeEmitter::getHWRegIndex(unsigned reg) const { + switch(reg) { + case AMDGPU::ZERO: return 248; + case AMDGPU::ONE: + case AMDGPU::NEG_ONE: return 249; + case AMDGPU::ONE_INT: return 250; + case AMDGPU::HALF: + case AMDGPU::NEG_HALF: return 252; + case AMDGPU::ALU_LITERAL_X: return 253; + case AMDGPU::PREDICATE_BIT: + case AMDGPU::PRED_SEL_OFF: + case AMDGPU::PRED_SEL_ZERO: + case AMDGPU::PRED_SEL_ONE: + return 0; + default: return getHWRegIndexGen(reg); + } +} + +unsigned R600MCCodeEmitter::getHWRegChan(unsigned reg) const { + switch(reg) { + case AMDGPU::ZERO: + case AMDGPU::ONE: + case AMDGPU::ONE_INT: + case AMDGPU::NEG_ONE: + case AMDGPU::HALF: + case AMDGPU::NEG_HALF: + case AMDGPU::ALU_LITERAL_X: + case AMDGPU::PREDICATE_BIT: + case AMDGPU::PRED_SEL_OFF: + case AMDGPU::PRED_SEL_ZERO: + case AMDGPU::PRED_SEL_ONE: + return 0; + default: return getHWRegChanGen(reg); + } +} +unsigned R600MCCodeEmitter::getHWReg(unsigned RegNo) const { + unsigned HWReg; + + HWReg = getHWRegIndex(RegNo); + if (AMDGPUMCRegisterClasses[AMDGPU::R600_CReg32RegClassID].contains(RegNo)) { + HWReg += 512; + } + return HWReg; +} + +uint64_t R600MCCodeEmitter::getMachineOpValue(const MCInst &MI, + const MCOperand &MO, + SmallVectorImpl<MCFixup> &Fixup) const { + if (MO.isReg()) { + return getHWReg(MO.getReg()); + } else { + return MO.getImm(); + } +} + +//===----------------------------------------------------------------------===// +// Encoding helper functions +//===----------------------------------------------------------------------===// + +bool R600MCCodeEmitter::isFCOp(unsigned opcode) const { + switch(opcode) { + default: return false; + case AMDGPU::BREAK_LOGICALZ_f32: + case AMDGPU::BREAK_LOGICALNZ_i32: + case AMDGPU::BREAK_LOGICALZ_i32: + case AMDGPU::BREAK_LOGICALNZ_f32: + case AMDGPU::CONTINUE_LOGICALNZ_f32: + case AMDGPU::IF_LOGICALNZ_i32: + case AMDGPU::IF_LOGICALZ_f32: + case AMDGPU::ELSE: + case AMDGPU::ENDIF: + case AMDGPU::ENDLOOP: + case AMDGPU::IF_LOGICALNZ_f32: + case AMDGPU::WHILELOOP: + return true; + } +} + +bool R600MCCodeEmitter::isTexOp(unsigned opcode) const { + switch(opcode) { + default: return false; + case AMDGPU::TEX_LD: + case AMDGPU::TEX_GET_TEXTURE_RESINFO: + case AMDGPU::TEX_SAMPLE: + case AMDGPU::TEX_SAMPLE_C: + case AMDGPU::TEX_SAMPLE_L: + case AMDGPU::TEX_SAMPLE_C_L: + case AMDGPU::TEX_SAMPLE_LB: + case AMDGPU::TEX_SAMPLE_C_LB: + case AMDGPU::TEX_SAMPLE_G: + case AMDGPU::TEX_SAMPLE_C_G: + case AMDGPU::TEX_GET_GRADIENTS_H: + case AMDGPU::TEX_GET_GRADIENTS_V: + case AMDGPU::TEX_SET_GRADIENTS_H: + case AMDGPU::TEX_SET_GRADIENTS_V: + return true; + } +} + +bool R600MCCodeEmitter::isFlagSet(const MCInst &MI, unsigned Operand, + unsigned Flag) const { + const MCInstrDesc &MCDesc = MCII.get(MI.getOpcode()); + unsigned FlagIndex = GET_FLAG_OPERAND_IDX(MCDesc.TSFlags); + if (FlagIndex == 0) { + return false; + } + assert(MI.getOperand(FlagIndex).isImm()); + return !!((MI.getOperand(FlagIndex).getImm() >> + (NUM_MO_FLAGS * Operand)) & Flag); +} +#define R600RegisterInfo R600MCCodeEmitter +#include "R600HwRegInfo.include" +#undef R600RegisterInfo + +#include "AMDGPUGenMCCodeEmitter.inc" diff --git a/src/gallium/drivers/radeon/MCTargetDesc/SIMCCodeEmitter.cpp b/src/gallium/drivers/radeon/MCTargetDesc/SIMCCodeEmitter.cpp index 1d7e84fdc5c..3d923055a59 100644 --- a/src/gallium/drivers/radeon/MCTargetDesc/SIMCCodeEmitter.cpp +++ b/src/gallium/drivers/radeon/MCTargetDesc/SIMCCodeEmitter.cpp @@ -127,14 +127,10 @@ private: } // End anonymous namespace -MCCodeEmitter *llvm::createAMDGPUMCCodeEmitter(const MCInstrInfo &MCII, - const MCSubtargetInfo &STI, - MCContext &Ctx) { - if (STI.getFeatureBits() & AMDGPU::Feature64BitPtr) { - return new SIMCCodeEmitter(MCII, STI, Ctx); - } else { - return NULL; - } +MCCodeEmitter *llvm::createSIMCCodeEmitter(const MCInstrInfo &MCII, + const MCSubtargetInfo &STI, + MCContext &Ctx) { + return new SIMCCodeEmitter(MCII, STI, Ctx); } void SIMCCodeEmitter::EncodeInstruction(const MCInst &MI, raw_ostream &OS, @@ -305,5 +301,3 @@ unsigned SIMCCodeEmitter::getRegBinaryCode(unsigned reg) const { #define SIRegisterInfo SIMCCodeEmitter #include "SIRegisterGetHWRegNum.inc" #undef SIRegisterInfo - -#include "AMDGPUGenMCCodeEmitter.inc" |