diff options
Diffstat (limited to 'lib/Target')
| -rw-r--r-- | lib/Target/R600/MCTargetDesc/R600MCCodeEmitter.cpp | 170 | ||||
| -rw-r--r-- | lib/Target/R600/R600Instructions.td | 142 |
2 files changed, 197 insertions, 115 deletions
diff --git a/lib/Target/R600/MCTargetDesc/R600MCCodeEmitter.cpp b/lib/Target/R600/MCTargetDesc/R600MCCodeEmitter.cpp index d20716000d..a945fe9ef8 100644 --- a/lib/Target/R600/MCTargetDesc/R600MCCodeEmitter.cpp +++ b/lib/Target/R600/MCTargetDesc/R600MCCodeEmitter.cpp @@ -66,8 +66,6 @@ private: void EmitSrcISA(const MCInst &MI, unsigned RegOpIdx, unsigned SelOpIdx, raw_ostream &OS) const; void EmitDst(const MCInst &MI, 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; @@ -140,9 +138,7 @@ MCCodeEmitter *llvm::createR600MCCodeEmitter(const MCInstrInfo &MCII, void R600MCCodeEmitter::EncodeInstruction(const MCInst &MI, raw_ostream &OS, SmallVectorImpl<MCFixup> &Fixups) const { - if (isTexOp(MI.getOpcode())) { - EmitTexInstr(MI, Fixups, OS); - } else if (isFCOp(MI.getOpcode())){ + if (isFCOp(MI.getOpcode())){ EmitFCInstr(MI, OS); } else if (MI.getOpcode() == AMDGPU::RETURN || MI.getOpcode() == AMDGPU::BUNDLE || @@ -175,6 +171,77 @@ void R600MCCodeEmitter::EncodeInstruction(const MCInst &MI, raw_ostream &OS, Emit(InstWord2, OS); break; } + 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: { + unsigned Opcode = MI.getOpcode(); + bool HasOffsets = (Opcode == AMDGPU::TEX_LD); + unsigned OpOffset = HasOffsets ? 3 : 0; + int64_t Sampler = MI.getOperand(OpOffset + 3).getImm(); + int64_t TextureType = MI.getOperand(OpOffset + 4).getImm(); + + uint32_t SrcSelect[4] = {0, 1, 2, 3}; + uint32_t Offsets[3] = {0, 0, 0}; + uint64_t CoordType[4] = {1, 1, 1, 1}; + + if (HasOffsets) + for (unsigned i = 0; i < 3; i++) + Offsets[i] = MI.getOperand(i + 2).getImm(); + + 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; + } + + + 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; + } + + uint64_t Word01 = getBinaryCodeForInstr(MI, Fixups) | + CoordType[ELEMENT_X] << 60 | CoordType[ELEMENT_Y] << 61 | + CoordType[ELEMENT_Z] << 62 | CoordType[ELEMENT_W] << 63; + uint32_t Word2 = Sampler << 15 | SrcSelect[ELEMENT_X] << 20 | + SrcSelect[ELEMENT_Y] << 23 | SrcSelect[ELEMENT_Z] << 26 | + SrcSelect[ELEMENT_W] << 29 | Offsets[0] << 0 | Offsets[1] << 5 | + Offsets[2] << 10; + + EmitByte(INSTR_TEX, OS); + Emit(Word01, OS); + Emit(Word2, OS); + break; + } case AMDGPU::EG_ExportSwz: case AMDGPU::R600_ExportSwz: case AMDGPU::EG_ExportBuf: @@ -334,99 +401,6 @@ void R600MCCodeEmitter::EmitSrcISA(const MCInst &MI, unsigned RegOpIdx, Emit(InlineConstant.i, 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 OpOffset = hasOffsets ? 3 : 0; - int64_t Resource = MI.getOperand(OpOffset + 2).getImm(); - int64_t Sampler = MI.getOperand(OpOffset + 3).getImm(); - int64_t TextureType = MI.getOperand(OpOffset + 4).getImm(); - unsigned srcSelect[4] = {0, 1, 2, 3}; - - // Emit instruction type - EmitByte(1, OS); - - // Emit instruction - EmitByte(getBinaryCodeForInstr(MI, Fixups), OS); - - // Emit resource id - EmitByte(Resource, 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 diff --git a/lib/Target/R600/R600Instructions.td b/lib/Target/R600/R600Instructions.td index a6daadfffa..7550ecec6f 100644 --- a/lib/Target/R600/R600Instructions.td +++ b/lib/Target/R600/R600Instructions.td @@ -234,6 +234,80 @@ class VTX_WORD1_GPR { let Word1{31} = SRF_MODE_ALL; } +class TEX_WORD0 { + field bits<32> Word0; + + bits<5> TEX_INST; + bits<2> INST_MOD; + bits<1> FETCH_WHOLE_QUAD; + bits<8> RESOURCE_ID; + bits<7> SRC_GPR; + bits<1> SRC_REL; + bits<1> ALT_CONST; + bits<2> RESOURCE_INDEX_MODE; + bits<2> SAMPLER_INDEX_MODE; + + let Word0{4-0} = TEX_INST; + let Word0{6-5} = INST_MOD; + let Word0{7} = FETCH_WHOLE_QUAD; + let Word0{15-8} = RESOURCE_ID; + let Word0{22-16} = SRC_GPR; + let Word0{23} = SRC_REL; + let Word0{24} = ALT_CONST; + let Word0{26-25} = RESOURCE_INDEX_MODE; + let Word0{28-27} = SAMPLER_INDEX_MODE; +} + +class TEX_WORD1 { + field bits<32> Word1; + + bits<7> DST_GPR; + bits<1> DST_REL; + bits<3> DST_SEL_X; + bits<3> DST_SEL_Y; + bits<3> DST_SEL_Z; + bits<3> DST_SEL_W; + bits<7> LOD_BIAS; + bits<1> COORD_TYPE_X; + bits<1> COORD_TYPE_Y; + bits<1> COORD_TYPE_Z; + bits<1> COORD_TYPE_W; + + let Word1{6-0} = DST_GPR; + let Word1{7} = DST_REL; + let Word1{11-9} = DST_SEL_X; + let Word1{14-12} = DST_SEL_Y; + let Word1{17-15} = DST_SEL_Z; + let Word1{20-18} = DST_SEL_W; + let Word1{27-21} = LOD_BIAS; + let Word1{28} = COORD_TYPE_X; + let Word1{29} = COORD_TYPE_Y; + let Word1{30} = COORD_TYPE_Z; + let Word1{31} = COORD_TYPE_W; +} + +class TEX_WORD2 { + field bits<32> Word2; + + bits<5> OFFSET_X; + bits<5> OFFSET_Y; + bits<5> OFFSET_Z; + bits<5> SAMPLER_ID; + bits<3> SRC_SEL_X; + bits<3> SRC_SEL_Y; + bits<3> SRC_SEL_Z; + bits<3> SRC_SEL_W; + + let Word2{4-0} = OFFSET_X; + let Word2{9-5} = OFFSET_Y; + let Word2{14-10} = OFFSET_Z; + let Word2{19-15} = SAMPLER_ID; + let Word2{22-20} = SRC_SEL_X; + let Word2{25-23} = SRC_SEL_Y; + let Word2{28-26} = SRC_SEL_Z; + let Word2{31-29} = SRC_SEL_W; +} + /* XXX: R600 subtarget uses a slightly different encoding than the other subtargets. We currently handle this in R600MCCodeEmitter, but we may @@ -386,12 +460,32 @@ class R600_REDUCTION <bits<11> inst, dag ins, string asm, list<dag> pattern, class R600_TEX <bits<11> inst, string opName, list<dag> pattern, InstrItinClass itin = AnyALU> : InstR600 <inst, - (outs R600_Reg128:$dst), - (ins R600_Reg128:$src0, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget), - !strconcat(opName, "$dst, $src0, $resourceId, $samplerId, $textureTarget"), + (outs R600_Reg128:$DST_GPR), + (ins R600_Reg128:$SRC_GPR, i32imm:$RESOURCE_ID, i32imm:$SAMPLER_ID, i32imm:$textureTarget), + !strconcat(opName, "$DST_GPR, $SRC_GPR, $RESOURCE_ID, $SAMPLER_ID, $textureTarget"), pattern, - itin>{ - let Inst {10-0} = inst; + itin>, TEX_WORD0, TEX_WORD1, TEX_WORD2 { + let Inst{31-0} = Word0; + let Inst{63-32} = Word1; + + let TEX_INST = inst{4-0}; + let SRC_REL = 0; + let DST_REL = 0; + let DST_SEL_X = 0; + let DST_SEL_Y = 1; + let DST_SEL_Z = 2; + let DST_SEL_W = 3; + let LOD_BIAS = 0; + + let INST_MOD = 0; + let FETCH_WHOLE_QUAD = 0; + let ALT_CONST = 0; + let SAMPLER_INDEX_MODE = 0; + + let COORD_TYPE_X = 0; + let COORD_TYPE_Y = 0; + let COORD_TYPE_Z = 0; + let COORD_TYPE_W = 0; } } // End mayLoad = 1, mayStore = 0, hasSideEffects = 0 @@ -867,25 +961,33 @@ def CNDGT_INT : R600_3OP < def TEX_LD : R600_TEX < 0x03, "TEX_LD", - [(set R600_Reg128:$dst, (int_AMDGPU_txf R600_Reg128:$src0, imm:$src1, imm:$src2, imm:$src3, imm:$resourceId, imm:$samplerId, imm:$textureTarget))] + [(set R600_Reg128:$DST_GPR, (int_AMDGPU_txf R600_Reg128:$SRC_GPR, + imm:$OFFSET_X, imm:$OFFSET_Y, imm:$OFFSET_Z, imm:$RESOURCE_ID, + imm:$SAMPLER_ID, imm:$textureTarget))] > { -let AsmString = "TEX_LD $dst, $src0, $src1, $src2, $src3, $resourceId, $samplerId, $textureTarget"; -let InOperandList = (ins R600_Reg128:$src0, i32imm:$src1, i32imm:$src2, i32imm:$src3, i32imm:$resourceId, i32imm:$samplerId, i32imm:$textureTarget); +let AsmString = "TEX_LD $DST_GPR, $SRC_GPR, $OFFSET_X, $OFFSET_Y, $OFFSET_Z," + "$RESOURCE_ID, $SAMPLER_ID, $textureTarget"; +let InOperandList = (ins R600_Reg128:$SRC_GPR, i32imm:$OFFSET_X, + i32imm:$OFFSET_Y, i32imm:$OFFSET_Z, i32imm:$RESOURCE_ID, i32imm:$SAMPLER_ID, + i32imm:$textureTarget); } def TEX_GET_TEXTURE_RESINFO : R600_TEX < 0x04, "TEX_GET_TEXTURE_RESINFO", - [(set R600_Reg128:$dst, (int_AMDGPU_txq R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))] + [(set R600_Reg128:$DST_GPR, (int_AMDGPU_txq R600_Reg128:$SRC_GPR, + imm:$RESOURCE_ID, imm:$SAMPLER_ID, imm:$textureTarget))] >; def TEX_GET_GRADIENTS_H : R600_TEX < 0x07, "TEX_GET_GRADIENTS_H", - [(set R600_Reg128:$dst, (int_AMDGPU_ddx R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))] + [(set R600_Reg128:$DST_GPR, (int_AMDGPU_ddx R600_Reg128:$SRC_GPR, + imm:$RESOURCE_ID, imm:$SAMPLER_ID, imm:$textureTarget))] >; def TEX_GET_GRADIENTS_V : R600_TEX < 0x08, "TEX_GET_GRADIENTS_V", - [(set R600_Reg128:$dst, (int_AMDGPU_ddy R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))] + [(set R600_Reg128:$DST_GPR, (int_AMDGPU_ddy R600_Reg128:$SRC_GPR, + imm:$RESOURCE_ID, imm:$SAMPLER_ID, imm:$textureTarget))] >; def TEX_SET_GRADIENTS_H : R600_TEX < @@ -900,32 +1002,38 @@ def TEX_SET_GRADIENTS_V : R600_TEX < def TEX_SAMPLE : R600_TEX < 0x10, "TEX_SAMPLE", - [(set R600_Reg128:$dst, (int_AMDGPU_tex R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))] + [(set R600_Reg128:$DST_GPR, (int_AMDGPU_tex R600_Reg128:$SRC_GPR, + imm:$RESOURCE_ID, imm:$SAMPLER_ID, imm:$textureTarget))] >; def TEX_SAMPLE_C : R600_TEX < 0x18, "TEX_SAMPLE_C", - [(set R600_Reg128:$dst, (int_AMDGPU_tex R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))] + [(set R600_Reg128:$DST_GPR, (int_AMDGPU_tex R600_Reg128:$SRC_GPR, + imm:$RESOURCE_ID, imm:$SAMPLER_ID, TEX_SHADOW:$textureTarget))] >; def TEX_SAMPLE_L : R600_TEX < 0x11, "TEX_SAMPLE_L", - [(set R600_Reg128:$dst, (int_AMDGPU_txl R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, imm:$textureTarget))] + [(set R600_Reg128:$DST_GPR, (int_AMDGPU_txl R600_Reg128:$SRC_GPR, + imm:$RESOURCE_ID, imm:$SAMPLER_ID, imm:$textureTarget))] >; def TEX_SAMPLE_C_L : R600_TEX < 0x19, "TEX_SAMPLE_C_L", - [(set R600_Reg128:$dst, (int_AMDGPU_txl R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))] + [(set R600_Reg128:$DST_GPR, (int_AMDGPU_txl R600_Reg128:$SRC_GPR, + imm:$RESOURCE_ID, imm:$SAMPLER_ID, TEX_SHADOW:$textureTarget))] >; def TEX_SAMPLE_LB : R600_TEX < 0x12, "TEX_SAMPLE_LB", - [(set R600_Reg128:$dst, (int_AMDGPU_txb R600_Reg128:$src0,imm:$resourceId, imm:$samplerId, imm:$textureTarget))] + [(set R600_Reg128:$DST_GPR, (int_AMDGPU_txb R600_Reg128:$SRC_GPR, + imm:$RESOURCE_ID, imm:$SAMPLER_ID, imm:$textureTarget))] >; def TEX_SAMPLE_C_LB : R600_TEX < 0x1A, "TEX_SAMPLE_C_LB", - [(set R600_Reg128:$dst, (int_AMDGPU_txb R600_Reg128:$src0, imm:$resourceId, imm:$samplerId, TEX_SHADOW:$textureTarget))] + [(set R600_Reg128:$DST_GPR, (int_AMDGPU_txb R600_Reg128:$SRC_GPR, + imm:$RESOURCE_ID, imm:$SAMPLER_ID, TEX_SHADOW:$textureTarget))] >; def TEX_SAMPLE_G : R600_TEX < |