AMDGPUAsmPrinter.cpp revision 29a651af8a4b522daf1f9102c93e4c8ecc2ef3c2
1f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard//===-- AMDGPUAsmPrinter.cpp - AMDGPU Assebly printer --------------------===// 2f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard// 3f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard// The LLVM Compiler Infrastructure 4f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard// 5f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard// This file is distributed under the University of Illinois Open Source 6f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard// License. See LICENSE.TXT for details. 7f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard// 8f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard//===----------------------------------------------------------------------===// 9f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard// 10f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard/// \file 11f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard/// 12f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard/// The AMDGPUAsmPrinter is used to print both assembly string and also binary 13f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard/// code. When passed an MCAsmStreamer it prints assembly and when passed 14f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard/// an MCObjectStreamer it outputs binary code. 15f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard// 16f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard//===----------------------------------------------------------------------===// 17f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard// 18f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard 19f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard 20f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard#include "AMDGPUAsmPrinter.h" 21f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard#include "AMDGPU.h" 22f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard#include "R600Defines.h" 232a74639bc7713146b1182328892807c421c84265Vincent Lejeune#include "R600MachineFunctionInfo.h" 24141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune#include "R600RegisterInfo.h" 255c35290fa35ae234fed02496404cb0fc37e1c8a5Benjamin Kramer#include "SIDefines.h" 265c35290fa35ae234fed02496404cb0fc37e1c8a5Benjamin Kramer#include "SIMachineFunctionInfo.h" 275c35290fa35ae234fed02496404cb0fc37e1c8a5Benjamin Kramer#include "SIRegisterInfo.h" 28bf1efe642111043eeb7ccaf3da759f4d2d1e4647Tom Stellard#include "llvm/MC/MCContext.h" 29bf1efe642111043eeb7ccaf3da759f4d2d1e4647Tom Stellard#include "llvm/MC/MCSectionELF.h" 30f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard#include "llvm/MC/MCStreamer.h" 31bf1efe642111043eeb7ccaf3da759f4d2d1e4647Tom Stellard#include "llvm/Support/ELF.h" 32e3d4cbc7d25061441adafa47450a31571c87bf85Tom Stellard#include "llvm/Support/MathExtras.h" 33f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard#include "llvm/Support/TargetRegistry.h" 3458a2cbef4aac9ee7d530dfb690c78d6fc11a2371Chandler Carruth#include "llvm/Target/TargetLoweringObjectFile.h" 35f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard 36f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellardusing namespace llvm; 37f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard 38f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard 39f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellardstatic AsmPrinter *createAMDGPUAsmPrinterPass(TargetMachine &tm, 40f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard MCStreamer &Streamer) { 41f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard return new AMDGPUAsmPrinter(tm, Streamer); 42f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard} 43f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard 44f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellardextern "C" void LLVMInitializeR600AsmPrinter() { 45f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard TargetRegistry::RegisterAsmPrinter(TheAMDGPUTarget, createAMDGPUAsmPrinterPass); 46f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard} 47f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard 48f9318673178309288f9320efe02d529419ac32a2Tom StellardAMDGPUAsmPrinter::AMDGPUAsmPrinter(TargetMachine &TM, MCStreamer &Streamer) 49f9318673178309288f9320efe02d529419ac32a2Tom Stellard : AsmPrinter(TM, Streamer) 50f9318673178309288f9320efe02d529419ac32a2Tom Stellard{ 51f9318673178309288f9320efe02d529419ac32a2Tom Stellard DisasmEnabled = TM.getSubtarget<AMDGPUSubtarget>().dumpCode() && 52f9318673178309288f9320efe02d529419ac32a2Tom Stellard ! Streamer.hasRawTextSupport(); 53f9318673178309288f9320efe02d529419ac32a2Tom Stellard} 54f9318673178309288f9320efe02d529419ac32a2Tom Stellard 55f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard/// We need to override this function so we can avoid 56f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard/// the call to EmitFunctionHeader(), which the MCPureStreamer can't handle. 57f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellardbool AMDGPUAsmPrinter::runOnMachineFunction(MachineFunction &MF) { 58f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard SetupMachineFunction(MF); 593ce2ec847885b004c768869b825be1ff9d98eca3Tom Stellard if (OutStreamer.hasRawTextSupport()) { 603ce2ec847885b004c768869b825be1ff9d98eca3Tom Stellard OutStreamer.EmitRawText("@" + MF.getName() + ":"); 613ce2ec847885b004c768869b825be1ff9d98eca3Tom Stellard } 62141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune 63f9318673178309288f9320efe02d529419ac32a2Tom Stellard MCContext &Context = getObjFileLowering().getContext(); 64f9318673178309288f9320efe02d529419ac32a2Tom Stellard const MCSectionELF *ConfigSection = Context.getELFSection(".AMDGPU.config", 6587cba4a4c1d5b8b026c83b0916b37255600ecd5fTom Stellard ELF::SHT_PROGBITS, 0, 66141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune SectionKind::getReadOnly()); 67141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune OutStreamer.SwitchSection(ConfigSection); 68f9318673178309288f9320efe02d529419ac32a2Tom Stellard const AMDGPUSubtarget &STM = TM.getSubtarget<AMDGPUSubtarget>(); 693ff0abfaabc2c7f604d490be587b9c27e7c91ac0Tom Stellard if (STM.getGeneration() > AMDGPUSubtarget::NORTHERN_ISLANDS) { 70141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune EmitProgramInfoSI(MF); 71141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune } else { 72141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune EmitProgramInfoR600(MF); 73f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard } 74f9318673178309288f9320efe02d529419ac32a2Tom Stellard 75f9318673178309288f9320efe02d529419ac32a2Tom Stellard DisasmLines.clear(); 76f9318673178309288f9320efe02d529419ac32a2Tom Stellard HexLines.clear(); 77f9318673178309288f9320efe02d529419ac32a2Tom Stellard DisasmLineMaxLen = 0; 78f9318673178309288f9320efe02d529419ac32a2Tom Stellard 79bf1efe642111043eeb7ccaf3da759f4d2d1e4647Tom Stellard OutStreamer.SwitchSection(getObjFileLowering().getTextSection()); 80f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard EmitFunctionBody(); 81f9318673178309288f9320efe02d529419ac32a2Tom Stellard 82f9318673178309288f9320efe02d529419ac32a2Tom Stellard if (STM.dumpCode()) { 83f9318673178309288f9320efe02d529419ac32a2Tom Stellard#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) 84f9318673178309288f9320efe02d529419ac32a2Tom Stellard MF.dump(); 85f9318673178309288f9320efe02d529419ac32a2Tom Stellard#endif 86f9318673178309288f9320efe02d529419ac32a2Tom Stellard 87f9318673178309288f9320efe02d529419ac32a2Tom Stellard if (DisasmEnabled) { 88f9318673178309288f9320efe02d529419ac32a2Tom Stellard OutStreamer.SwitchSection(Context.getELFSection(".AMDGPU.disasm", 89f9318673178309288f9320efe02d529419ac32a2Tom Stellard ELF::SHT_NOTE, 0, 90f9318673178309288f9320efe02d529419ac32a2Tom Stellard SectionKind::getReadOnly())); 91f9318673178309288f9320efe02d529419ac32a2Tom Stellard 92f9318673178309288f9320efe02d529419ac32a2Tom Stellard for (size_t i = 0; i < DisasmLines.size(); ++i) { 93f9318673178309288f9320efe02d529419ac32a2Tom Stellard std::string Comment(DisasmLineMaxLen - DisasmLines[i].size(), ' '); 94f9318673178309288f9320efe02d529419ac32a2Tom Stellard Comment += " ; " + HexLines[i] + "\n"; 95f9318673178309288f9320efe02d529419ac32a2Tom Stellard 96f9318673178309288f9320efe02d529419ac32a2Tom Stellard OutStreamer.EmitBytes(StringRef(DisasmLines[i])); 97f9318673178309288f9320efe02d529419ac32a2Tom Stellard OutStreamer.EmitBytes(StringRef(Comment)); 98f9318673178309288f9320efe02d529419ac32a2Tom Stellard } 99f9318673178309288f9320efe02d529419ac32a2Tom Stellard } 100f9318673178309288f9320efe02d529419ac32a2Tom Stellard } 101f9318673178309288f9320efe02d529419ac32a2Tom Stellard 102f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard return false; 103f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard} 104f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard 105141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeunevoid AMDGPUAsmPrinter::EmitProgramInfoR600(MachineFunction &MF) { 106141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune unsigned MaxGPR = 0; 10786cdb704174828b8e91e94132a19634e3c11d87dVincent Lejeune bool killPixel = false; 108141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune const R600RegisterInfo * RI = 109141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune static_cast<const R600RegisterInfo*>(TM.getRegisterInfo()); 1102a74639bc7713146b1182328892807c421c84265Vincent Lejeune R600MachineFunctionInfo *MFI = MF.getInfo<R600MachineFunctionInfo>(); 111f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard const AMDGPUSubtarget &STM = TM.getSubtarget<AMDGPUSubtarget>(); 112141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune 113141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune for (MachineFunction::iterator BB = MF.begin(), BB_E = MF.end(); 114141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune BB != BB_E; ++BB) { 115141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune MachineBasicBlock &MBB = *BB; 116141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune for (MachineBasicBlock::iterator I = MBB.begin(), E = MBB.end(); 117141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune I != E; ++I) { 118141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune MachineInstr &MI = *I; 11986cdb704174828b8e91e94132a19634e3c11d87dVincent Lejeune if (MI.getOpcode() == AMDGPU::KILLGT) 12086cdb704174828b8e91e94132a19634e3c11d87dVincent Lejeune killPixel = true; 121141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune unsigned numOperands = MI.getNumOperands(); 122141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune for (unsigned op_idx = 0; op_idx < numOperands; op_idx++) { 123141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune MachineOperand & MO = MI.getOperand(op_idx); 124141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune if (!MO.isReg()) 125141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune continue; 126141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune unsigned HWReg = RI->getEncodingValue(MO.getReg()) & 0xff; 127141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune 128141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune // Register with value > 127 aren't GPR 129141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune if (HWReg > 127) 130141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune continue; 131141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune MaxGPR = std::max(MaxGPR, HWReg); 132141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune } 133141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune } 134141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune } 135f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard 136f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard unsigned RsrcReg; 1373ff0abfaabc2c7f604d490be587b9c27e7c91ac0Tom Stellard if (STM.getGeneration() >= AMDGPUSubtarget::EVERGREEN) { 138f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard // Evergreen / Northern Islands 139f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard switch (MFI->ShaderType) { 140f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard default: // Fall through 141f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard case ShaderType::COMPUTE: RsrcReg = R_0288D4_SQ_PGM_RESOURCES_LS; break; 142f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard case ShaderType::GEOMETRY: RsrcReg = R_028878_SQ_PGM_RESOURCES_GS; break; 143f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard case ShaderType::PIXEL: RsrcReg = R_028844_SQ_PGM_RESOURCES_PS; break; 144f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard case ShaderType::VERTEX: RsrcReg = R_028860_SQ_PGM_RESOURCES_VS; break; 145f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard } 146f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard } else { 147f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard // R600 / R700 148f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard switch (MFI->ShaderType) { 149f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard default: // Fall through 150f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard case ShaderType::GEOMETRY: // Fall through 151f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard case ShaderType::COMPUTE: // Fall through 152f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard case ShaderType::VERTEX: RsrcReg = R_028868_SQ_PGM_RESOURCES_VS; break; 153f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard case ShaderType::PIXEL: RsrcReg = R_028850_SQ_PGM_RESOURCES_PS; break; 154f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard } 155f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard } 156f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard 157f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard OutStreamer.EmitIntValue(RsrcReg, 4); 158f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard OutStreamer.EmitIntValue(S_NUM_GPRS(MaxGPR + 1) | 159f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard S_STACK_SIZE(MFI->StackSize), 4); 160f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard OutStreamer.EmitIntValue(R_02880C_DB_SHADER_CONTROL, 4); 161f07b5373d7493d29cd758ababf135c2d0d8da127Tom Stellard OutStreamer.EmitIntValue(S_02880C_KILL_ENABLE(killPixel), 4); 162e3d4cbc7d25061441adafa47450a31571c87bf85Tom Stellard 163e3d4cbc7d25061441adafa47450a31571c87bf85Tom Stellard if (MFI->ShaderType == ShaderType::COMPUTE) { 164e3d4cbc7d25061441adafa47450a31571c87bf85Tom Stellard OutStreamer.EmitIntValue(R_0288E8_SQ_LDS_ALLOC, 4); 165e3d4cbc7d25061441adafa47450a31571c87bf85Tom Stellard OutStreamer.EmitIntValue(RoundUpToAlignment(MFI->LDSSize, 4) >> 2, 4); 166e3d4cbc7d25061441adafa47450a31571c87bf85Tom Stellard } 167141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune} 168141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeune 169141ca7fc6488bfb20ad59854cc12039e16688ed3Vincent Lejeunevoid AMDGPUAsmPrinter::EmitProgramInfoSI(MachineFunction &MF) { 17054328c772c5519e56c13667c2b1d1e830580c44dTom Stellard const AMDGPUSubtarget &STM = TM.getSubtarget<AMDGPUSubtarget>(); 171f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard unsigned MaxSGPR = 0; 172f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard unsigned MaxVGPR = 0; 173f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard bool VCCUsed = false; 174f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard const SIRegisterInfo * RI = 175f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard static_cast<const SIRegisterInfo*>(TM.getRegisterInfo()); 176f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard 177f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard for (MachineFunction::iterator BB = MF.begin(), BB_E = MF.end(); 178f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard BB != BB_E; ++BB) { 179f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard MachineBasicBlock &MBB = *BB; 180f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard for (MachineBasicBlock::iterator I = MBB.begin(), E = MBB.end(); 181f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard I != E; ++I) { 182f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard MachineInstr &MI = *I; 183f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard 184f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard unsigned numOperands = MI.getNumOperands(); 185f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard for (unsigned op_idx = 0; op_idx < numOperands; op_idx++) { 18629a651af8a4b522daf1f9102c93e4c8ecc2ef3c2Matt Arsenault MachineOperand &MO = MI.getOperand(op_idx); 187f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard unsigned maxUsed; 188f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard unsigned width = 0; 189f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard bool isSGPR = false; 190f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard unsigned reg; 191f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard unsigned hwReg; 192f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard if (!MO.isReg()) { 193f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard continue; 194f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard } 195f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard reg = MO.getReg(); 196f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard if (reg == AMDGPU::VCC) { 197f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard VCCUsed = true; 198f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard continue; 199f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard } 2008305cae0045f804b7cca7c69f83f20ad847817bdMatt Arsenault 201f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard switch (reg) { 202f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard default: break; 2038305cae0045f804b7cca7c69f83f20ad847817bdMatt Arsenault case AMDGPU::SCC: 204f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard case AMDGPU::EXEC: 205f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard case AMDGPU::M0: 206f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard continue; 207f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard } 208f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard 209f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard if (AMDGPU::SReg_32RegClass.contains(reg)) { 210f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard isSGPR = true; 211f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard width = 1; 212f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard } else if (AMDGPU::VReg_32RegClass.contains(reg)) { 213f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard isSGPR = false; 214f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard width = 1; 215f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard } else if (AMDGPU::SReg_64RegClass.contains(reg)) { 216f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard isSGPR = true; 217f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard width = 2; 218f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard } else if (AMDGPU::VReg_64RegClass.contains(reg)) { 219f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard isSGPR = false; 220f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard width = 2; 2214d0e8a8a3e2e5b98f598acad4d57452b99d52e74Christian Konig } else if (AMDGPU::VReg_96RegClass.contains(reg)) { 2224d0e8a8a3e2e5b98f598acad4d57452b99d52e74Christian Konig isSGPR = false; 2234d0e8a8a3e2e5b98f598acad4d57452b99d52e74Christian Konig width = 3; 224f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard } else if (AMDGPU::SReg_128RegClass.contains(reg)) { 225f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard isSGPR = true; 226f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard width = 4; 227f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard } else if (AMDGPU::VReg_128RegClass.contains(reg)) { 228f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard isSGPR = false; 229f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard width = 4; 230f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard } else if (AMDGPU::SReg_256RegClass.contains(reg)) { 231f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard isSGPR = true; 232f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard width = 8; 23336ba9091843bd1205fe3499ba4b55bbedc6583c9Tom Stellard } else if (AMDGPU::VReg_256RegClass.contains(reg)) { 23436ba9091843bd1205fe3499ba4b55bbedc6583c9Tom Stellard isSGPR = false; 23536ba9091843bd1205fe3499ba4b55bbedc6583c9Tom Stellard width = 8; 236f9e5c398119a77202dc0f7861f5131a7b9f7b8b3Tom Stellard } else if (AMDGPU::SReg_512RegClass.contains(reg)) { 237f9e5c398119a77202dc0f7861f5131a7b9f7b8b3Tom Stellard isSGPR = true; 238f9e5c398119a77202dc0f7861f5131a7b9f7b8b3Tom Stellard width = 16; 23936ba9091843bd1205fe3499ba4b55bbedc6583c9Tom Stellard } else if (AMDGPU::VReg_512RegClass.contains(reg)) { 24036ba9091843bd1205fe3499ba4b55bbedc6583c9Tom Stellard isSGPR = false; 24136ba9091843bd1205fe3499ba4b55bbedc6583c9Tom Stellard width = 16; 242f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard } else { 243f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard assert(!"Unknown register class"); 244f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard } 245184f5c1545e06a99951f14d846a1d853ff19a2b8Tom Stellard hwReg = RI->getEncodingValue(reg) & 0xff; 246f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard maxUsed = hwReg + width - 1; 247f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard if (isSGPR) { 248f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard MaxSGPR = maxUsed > MaxSGPR ? maxUsed : MaxSGPR; 249f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard } else { 250f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard MaxVGPR = maxUsed > MaxVGPR ? maxUsed : MaxVGPR; 251f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard } 252f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard } 253f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard } 254f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard } 255f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard if (VCCUsed) { 256f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard MaxSGPR += 2; 257f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard } 258f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard SIMachineFunctionInfo * MFI = MF.getInfo<SIMachineFunctionInfo>(); 2599a256300f8f61937f5f7a148b9cb09936d103a97Tom Stellard unsigned RsrcReg; 2609a256300f8f61937f5f7a148b9cb09936d103a97Tom Stellard switch (MFI->ShaderType) { 2619a256300f8f61937f5f7a148b9cb09936d103a97Tom Stellard default: // Fall through 2629a256300f8f61937f5f7a148b9cb09936d103a97Tom Stellard case ShaderType::COMPUTE: RsrcReg = R_00B848_COMPUTE_PGM_RSRC1; break; 2639a256300f8f61937f5f7a148b9cb09936d103a97Tom Stellard case ShaderType::GEOMETRY: RsrcReg = R_00B228_SPI_SHADER_PGM_RSRC1_GS; break; 2649a256300f8f61937f5f7a148b9cb09936d103a97Tom Stellard case ShaderType::PIXEL: RsrcReg = R_00B028_SPI_SHADER_PGM_RSRC1_PS; break; 2659a256300f8f61937f5f7a148b9cb09936d103a97Tom Stellard case ShaderType::VERTEX: RsrcReg = R_00B128_SPI_SHADER_PGM_RSRC1_VS; break; 2669a256300f8f61937f5f7a148b9cb09936d103a97Tom Stellard } 2679a256300f8f61937f5f7a148b9cb09936d103a97Tom Stellard 2689a256300f8f61937f5f7a148b9cb09936d103a97Tom Stellard OutStreamer.EmitIntValue(RsrcReg, 4); 2699a256300f8f61937f5f7a148b9cb09936d103a97Tom Stellard OutStreamer.EmitIntValue(S_00B028_VGPRS(MaxVGPR / 4) | S_00B028_SGPRS(MaxSGPR / 8), 4); 270a3e39dc7055486cbf514ccd868cfabc69d7f6f4eMichel Danzer 27154328c772c5519e56c13667c2b1d1e830580c44dTom Stellard unsigned LDSAlignShift; 27254328c772c5519e56c13667c2b1d1e830580c44dTom Stellard if (STM.getGeneration() < AMDGPUSubtarget::SEA_ISLANDS) { 27354328c772c5519e56c13667c2b1d1e830580c44dTom Stellard // LDS is allocated in 64 dword blocks 27454328c772c5519e56c13667c2b1d1e830580c44dTom Stellard LDSAlignShift = 8; 27554328c772c5519e56c13667c2b1d1e830580c44dTom Stellard } else { 27654328c772c5519e56c13667c2b1d1e830580c44dTom Stellard // LDS is allocated in 128 dword blocks 27754328c772c5519e56c13667c2b1d1e830580c44dTom Stellard LDSAlignShift = 9; 27854328c772c5519e56c13667c2b1d1e830580c44dTom Stellard } 27954328c772c5519e56c13667c2b1d1e830580c44dTom Stellard unsigned LDSBlocks = 28054328c772c5519e56c13667c2b1d1e830580c44dTom Stellard RoundUpToAlignment(MFI->LDSSize, 1 << LDSAlignShift) >> LDSAlignShift; 28154328c772c5519e56c13667c2b1d1e830580c44dTom Stellard 282a3e39dc7055486cbf514ccd868cfabc69d7f6f4eMichel Danzer if (MFI->ShaderType == ShaderType::COMPUTE) { 283a3e39dc7055486cbf514ccd868cfabc69d7f6f4eMichel Danzer OutStreamer.EmitIntValue(R_00B84C_COMPUTE_PGM_RSRC2, 4); 28454328c772c5519e56c13667c2b1d1e830580c44dTom Stellard OutStreamer.EmitIntValue(S_00B84C_LDS_SIZE(LDSBlocks), 4); 285a3e39dc7055486cbf514ccd868cfabc69d7f6f4eMichel Danzer } 2869a256300f8f61937f5f7a148b9cb09936d103a97Tom Stellard if (MFI->ShaderType == ShaderType::PIXEL) { 287a3e39dc7055486cbf514ccd868cfabc69d7f6f4eMichel Danzer OutStreamer.EmitIntValue(R_00B02C_SPI_SHADER_PGM_RSRC2_PS, 4); 28854328c772c5519e56c13667c2b1d1e830580c44dTom Stellard OutStreamer.EmitIntValue(S_00B02C_EXTRA_LDS_SIZE(LDSBlocks), 4); 2899a256300f8f61937f5f7a148b9cb09936d103a97Tom Stellard OutStreamer.EmitIntValue(R_0286CC_SPI_PS_INPUT_ENA, 4); 2909a256300f8f61937f5f7a148b9cb09936d103a97Tom Stellard OutStreamer.EmitIntValue(MFI->PSInputAddr, 4); 2919a256300f8f61937f5f7a148b9cb09936d103a97Tom Stellard } 292f98f2ce29e6e2996fa58f38979143eceaa818335Tom Stellard} 293