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authordim <dim@FreeBSD.org>2015-09-21 22:34:16 +0000
committerdim <dim@FreeBSD.org>2015-09-21 22:34:16 +0000
commitfb090a675ae78b4b2524b69e42790a8308637cde (patch)
tree8a3ab060bcc6d1bc334343abfeb6e7315e61753a /contrib/llvm/lib/Target/R600/AMDGPUAsmPrinter.cpp
parent4512ff331cc292f4ec66a980cca5d03dd3c7473a (diff)
downloadFreeBSD-src-fb090a675ae78b4b2524b69e42790a8308637cde.zip
FreeBSD-src-fb090a675ae78b4b2524b69e42790a8308637cde.tar.gz
The R600 target got renamed to AMDGPU, but I missed deleting the old
directory during the vendor import. Delete it now.
Diffstat (limited to 'contrib/llvm/lib/Target/R600/AMDGPUAsmPrinter.cpp')
-rw-r--r--contrib/llvm/lib/Target/R600/AMDGPUAsmPrinter.cpp600
1 files changed, 0 insertions, 600 deletions
diff --git a/contrib/llvm/lib/Target/R600/AMDGPUAsmPrinter.cpp b/contrib/llvm/lib/Target/R600/AMDGPUAsmPrinter.cpp
deleted file mode 100644
index 56b50a9..0000000
--- a/contrib/llvm/lib/Target/R600/AMDGPUAsmPrinter.cpp
+++ /dev/null
@@ -1,600 +0,0 @@
-//===-- AMDGPUAsmPrinter.cpp - AMDGPU Assebly printer --------------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-/// \file
-///
-/// The AMDGPUAsmPrinter is used to print both assembly string and also binary
-/// code. When passed an MCAsmStreamer it prints assembly and when passed
-/// an MCObjectStreamer it outputs binary code.
-//
-//===----------------------------------------------------------------------===//
-//
-
-#include "AMDGPUAsmPrinter.h"
-#include "InstPrinter/AMDGPUInstPrinter.h"
-#include "AMDGPU.h"
-#include "AMDKernelCodeT.h"
-#include "AMDGPUSubtarget.h"
-#include "R600Defines.h"
-#include "R600MachineFunctionInfo.h"
-#include "R600RegisterInfo.h"
-#include "SIDefines.h"
-#include "SIMachineFunctionInfo.h"
-#include "SIRegisterInfo.h"
-#include "llvm/CodeGen/MachineFrameInfo.h"
-#include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCSectionELF.h"
-#include "llvm/MC/MCStreamer.h"
-#include "llvm/Support/ELF.h"
-#include "llvm/Support/MathExtras.h"
-#include "llvm/Support/TargetRegistry.h"
-#include "llvm/Target/TargetLoweringObjectFile.h"
-
-using namespace llvm;
-
-// TODO: This should get the default rounding mode from the kernel. We just set
-// the default here, but this could change if the OpenCL rounding mode pragmas
-// are used.
-//
-// The denormal mode here should match what is reported by the OpenCL runtime
-// for the CL_FP_DENORM bit from CL_DEVICE_{HALF|SINGLE|DOUBLE}_FP_CONFIG, but
-// can also be override to flush with the -cl-denorms-are-zero compiler flag.
-//
-// AMD OpenCL only sets flush none and reports CL_FP_DENORM for double
-// precision, and leaves single precision to flush all and does not report
-// CL_FP_DENORM for CL_DEVICE_SINGLE_FP_CONFIG. Mesa's OpenCL currently reports
-// CL_FP_DENORM for both.
-//
-// FIXME: It seems some instructions do not support single precision denormals
-// regardless of the mode (exp_*_f32, rcp_*_f32, rsq_*_f32, rsq_*f32, sqrt_f32,
-// and sin_f32, cos_f32 on most parts).
-
-// We want to use these instructions, and using fp32 denormals also causes
-// instructions to run at the double precision rate for the device so it's
-// probably best to just report no single precision denormals.
-static uint32_t getFPMode(const MachineFunction &F) {
- const AMDGPUSubtarget& ST = F.getSubtarget<AMDGPUSubtarget>();
- // TODO: Is there any real use for the flush in only / flush out only modes?
-
- uint32_t FP32Denormals =
- ST.hasFP32Denormals() ? FP_DENORM_FLUSH_NONE : FP_DENORM_FLUSH_IN_FLUSH_OUT;
-
- uint32_t FP64Denormals =
- ST.hasFP64Denormals() ? FP_DENORM_FLUSH_NONE : FP_DENORM_FLUSH_IN_FLUSH_OUT;
-
- return FP_ROUND_MODE_SP(FP_ROUND_ROUND_TO_NEAREST) |
- FP_ROUND_MODE_DP(FP_ROUND_ROUND_TO_NEAREST) |
- FP_DENORM_MODE_SP(FP32Denormals) |
- FP_DENORM_MODE_DP(FP64Denormals);
-}
-
-static AsmPrinter *
-createAMDGPUAsmPrinterPass(TargetMachine &tm,
- std::unique_ptr<MCStreamer> &&Streamer) {
- return new AMDGPUAsmPrinter(tm, std::move(Streamer));
-}
-
-extern "C" void LLVMInitializeR600AsmPrinter() {
- TargetRegistry::RegisterAsmPrinter(TheAMDGPUTarget, createAMDGPUAsmPrinterPass);
- TargetRegistry::RegisterAsmPrinter(TheGCNTarget, createAMDGPUAsmPrinterPass);
-}
-
-AMDGPUAsmPrinter::AMDGPUAsmPrinter(TargetMachine &TM,
- std::unique_ptr<MCStreamer> Streamer)
- : AsmPrinter(TM, std::move(Streamer)) {}
-
-void AMDGPUAsmPrinter::EmitEndOfAsmFile(Module &M) {
-
- // This label is used to mark the end of the .text section.
- const TargetLoweringObjectFile &TLOF = getObjFileLowering();
- OutStreamer->SwitchSection(TLOF.getTextSection());
- MCSymbol *EndOfTextLabel =
- OutContext.getOrCreateSymbol(StringRef(END_OF_TEXT_LABEL_NAME));
- OutStreamer->EmitLabel(EndOfTextLabel);
-}
-
-bool AMDGPUAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
-
- // The starting address of all shader programs must be 256 bytes aligned.
- MF.setAlignment(8);
-
- SetupMachineFunction(MF);
-
- MCContext &Context = getObjFileLowering().getContext();
- MCSectionELF *ConfigSection =
- Context.getELFSection(".AMDGPU.config", ELF::SHT_PROGBITS, 0);
- OutStreamer->SwitchSection(ConfigSection);
-
- const AMDGPUSubtarget &STM = MF.getSubtarget<AMDGPUSubtarget>();
- SIProgramInfo KernelInfo;
- if (STM.isAmdHsaOS()) {
- getSIProgramInfo(KernelInfo, MF);
- EmitAmdKernelCodeT(MF, KernelInfo);
- OutStreamer->EmitCodeAlignment(2 << (MF.getAlignment() - 1));
- } else if (STM.getGeneration() >= AMDGPUSubtarget::SOUTHERN_ISLANDS) {
- getSIProgramInfo(KernelInfo, MF);
- EmitProgramInfoSI(MF, KernelInfo);
- } else {
- EmitProgramInfoR600(MF);
- }
-
- DisasmLines.clear();
- HexLines.clear();
- DisasmLineMaxLen = 0;
-
- EmitFunctionBody();
-
- if (isVerbose()) {
- MCSectionELF *CommentSection =
- Context.getELFSection(".AMDGPU.csdata", ELF::SHT_PROGBITS, 0);
- OutStreamer->SwitchSection(CommentSection);
-
- if (STM.getGeneration() >= AMDGPUSubtarget::SOUTHERN_ISLANDS) {
- OutStreamer->emitRawComment(" Kernel info:", false);
- OutStreamer->emitRawComment(" codeLenInByte = " + Twine(KernelInfo.CodeLen),
- false);
- OutStreamer->emitRawComment(" NumSgprs: " + Twine(KernelInfo.NumSGPR),
- false);
- OutStreamer->emitRawComment(" NumVgprs: " + Twine(KernelInfo.NumVGPR),
- false);
- OutStreamer->emitRawComment(" FloatMode: " + Twine(KernelInfo.FloatMode),
- false);
- OutStreamer->emitRawComment(" IeeeMode: " + Twine(KernelInfo.IEEEMode),
- false);
- OutStreamer->emitRawComment(" ScratchSize: " + Twine(KernelInfo.ScratchSize),
- false);
- } else {
- R600MachineFunctionInfo *MFI = MF.getInfo<R600MachineFunctionInfo>();
- OutStreamer->emitRawComment(
- Twine("SQ_PGM_RESOURCES:STACK_SIZE = " + Twine(MFI->StackSize)));
- }
- }
-
- if (STM.dumpCode()) {
-
- OutStreamer->SwitchSection(
- Context.getELFSection(".AMDGPU.disasm", ELF::SHT_NOTE, 0));
-
- for (size_t i = 0; i < DisasmLines.size(); ++i) {
- std::string Comment(DisasmLineMaxLen - DisasmLines[i].size(), ' ');
- Comment += " ; " + HexLines[i] + "\n";
-
- OutStreamer->EmitBytes(StringRef(DisasmLines[i]));
- OutStreamer->EmitBytes(StringRef(Comment));
- }
- }
-
- return false;
-}
-
-void AMDGPUAsmPrinter::EmitProgramInfoR600(const MachineFunction &MF) {
- unsigned MaxGPR = 0;
- bool killPixel = false;
- const AMDGPUSubtarget &STM = MF.getSubtarget<AMDGPUSubtarget>();
- const R600RegisterInfo *RI =
- static_cast<const R600RegisterInfo *>(STM.getRegisterInfo());
- const R600MachineFunctionInfo *MFI = MF.getInfo<R600MachineFunctionInfo>();
-
- for (const MachineBasicBlock &MBB : MF) {
- for (const MachineInstr &MI : MBB) {
- if (MI.getOpcode() == AMDGPU::KILLGT)
- killPixel = true;
- unsigned numOperands = MI.getNumOperands();
- for (unsigned op_idx = 0; op_idx < numOperands; op_idx++) {
- const MachineOperand &MO = MI.getOperand(op_idx);
- if (!MO.isReg())
- continue;
- unsigned HWReg = RI->getEncodingValue(MO.getReg()) & 0xff;
-
- // Register with value > 127 aren't GPR
- if (HWReg > 127)
- continue;
- MaxGPR = std::max(MaxGPR, HWReg);
- }
- }
- }
-
- unsigned RsrcReg;
- if (STM.getGeneration() >= AMDGPUSubtarget::EVERGREEN) {
- // Evergreen / Northern Islands
- switch (MFI->getShaderType()) {
- default: // Fall through
- case ShaderType::COMPUTE: RsrcReg = R_0288D4_SQ_PGM_RESOURCES_LS; break;
- case ShaderType::GEOMETRY: RsrcReg = R_028878_SQ_PGM_RESOURCES_GS; break;
- case ShaderType::PIXEL: RsrcReg = R_028844_SQ_PGM_RESOURCES_PS; break;
- case ShaderType::VERTEX: RsrcReg = R_028860_SQ_PGM_RESOURCES_VS; break;
- }
- } else {
- // R600 / R700
- switch (MFI->getShaderType()) {
- default: // Fall through
- case ShaderType::GEOMETRY: // Fall through
- case ShaderType::COMPUTE: // Fall through
- case ShaderType::VERTEX: RsrcReg = R_028868_SQ_PGM_RESOURCES_VS; break;
- case ShaderType::PIXEL: RsrcReg = R_028850_SQ_PGM_RESOURCES_PS; break;
- }
- }
-
- OutStreamer->EmitIntValue(RsrcReg, 4);
- OutStreamer->EmitIntValue(S_NUM_GPRS(MaxGPR + 1) |
- S_STACK_SIZE(MFI->StackSize), 4);
- OutStreamer->EmitIntValue(R_02880C_DB_SHADER_CONTROL, 4);
- OutStreamer->EmitIntValue(S_02880C_KILL_ENABLE(killPixel), 4);
-
- if (MFI->getShaderType() == ShaderType::COMPUTE) {
- OutStreamer->EmitIntValue(R_0288E8_SQ_LDS_ALLOC, 4);
- OutStreamer->EmitIntValue(RoundUpToAlignment(MFI->LDSSize, 4) >> 2, 4);
- }
-}
-
-void AMDGPUAsmPrinter::getSIProgramInfo(SIProgramInfo &ProgInfo,
- const MachineFunction &MF) const {
- const AMDGPUSubtarget &STM = MF.getSubtarget<AMDGPUSubtarget>();
- const SIMachineFunctionInfo *MFI = MF.getInfo<SIMachineFunctionInfo>();
- uint64_t CodeSize = 0;
- unsigned MaxSGPR = 0;
- unsigned MaxVGPR = 0;
- bool VCCUsed = false;
- bool FlatUsed = false;
- const SIRegisterInfo *RI =
- static_cast<const SIRegisterInfo *>(STM.getRegisterInfo());
-
- for (const MachineBasicBlock &MBB : MF) {
- for (const MachineInstr &MI : MBB) {
- // TODO: CodeSize should account for multiple functions.
- CodeSize += MI.getDesc().Size;
-
- unsigned numOperands = MI.getNumOperands();
- for (unsigned op_idx = 0; op_idx < numOperands; op_idx++) {
- const MachineOperand &MO = MI.getOperand(op_idx);
- unsigned width = 0;
- bool isSGPR = false;
-
- if (!MO.isReg()) {
- continue;
- }
- unsigned reg = MO.getReg();
- if (reg == AMDGPU::VCC || reg == AMDGPU::VCC_LO ||
- reg == AMDGPU::VCC_HI) {
- VCCUsed = true;
- continue;
- } else if (reg == AMDGPU::FLAT_SCR ||
- reg == AMDGPU::FLAT_SCR_LO ||
- reg == AMDGPU::FLAT_SCR_HI) {
- FlatUsed = true;
- continue;
- }
-
- switch (reg) {
- default: break;
- case AMDGPU::SCC:
- case AMDGPU::EXEC:
- case AMDGPU::M0:
- continue;
- }
-
- if (AMDGPU::SReg_32RegClass.contains(reg)) {
- isSGPR = true;
- width = 1;
- } else if (AMDGPU::VGPR_32RegClass.contains(reg)) {
- isSGPR = false;
- width = 1;
- } else if (AMDGPU::SReg_64RegClass.contains(reg)) {
- isSGPR = true;
- width = 2;
- } else if (AMDGPU::VReg_64RegClass.contains(reg)) {
- isSGPR = false;
- width = 2;
- } else if (AMDGPU::VReg_96RegClass.contains(reg)) {
- isSGPR = false;
- width = 3;
- } else if (AMDGPU::SReg_128RegClass.contains(reg)) {
- isSGPR = true;
- width = 4;
- } else if (AMDGPU::VReg_128RegClass.contains(reg)) {
- isSGPR = false;
- width = 4;
- } else if (AMDGPU::SReg_256RegClass.contains(reg)) {
- isSGPR = true;
- width = 8;
- } else if (AMDGPU::VReg_256RegClass.contains(reg)) {
- isSGPR = false;
- width = 8;
- } else if (AMDGPU::SReg_512RegClass.contains(reg)) {
- isSGPR = true;
- width = 16;
- } else if (AMDGPU::VReg_512RegClass.contains(reg)) {
- isSGPR = false;
- width = 16;
- } else {
- llvm_unreachable("Unknown register class");
- }
- unsigned hwReg = RI->getEncodingValue(reg) & 0xff;
- unsigned maxUsed = hwReg + width - 1;
- if (isSGPR) {
- MaxSGPR = maxUsed > MaxSGPR ? maxUsed : MaxSGPR;
- } else {
- MaxVGPR = maxUsed > MaxVGPR ? maxUsed : MaxVGPR;
- }
- }
- }
- }
-
- if (VCCUsed)
- MaxSGPR += 2;
-
- if (FlatUsed)
- MaxSGPR += 2;
-
- // We found the maximum register index. They start at 0, so add one to get the
- // number of registers.
- ProgInfo.NumVGPR = MaxVGPR + 1;
- ProgInfo.NumSGPR = MaxSGPR + 1;
-
- if (STM.hasSGPRInitBug()) {
- if (ProgInfo.NumSGPR > AMDGPUSubtarget::FIXED_SGPR_COUNT_FOR_INIT_BUG)
- llvm_unreachable("Too many SGPRs used with the SGPR init bug");
-
- ProgInfo.NumSGPR = AMDGPUSubtarget::FIXED_SGPR_COUNT_FOR_INIT_BUG;
- }
-
- ProgInfo.VGPRBlocks = (ProgInfo.NumVGPR - 1) / 4;
- ProgInfo.SGPRBlocks = (ProgInfo.NumSGPR - 1) / 8;
- // Set the value to initialize FP_ROUND and FP_DENORM parts of the mode
- // register.
- ProgInfo.FloatMode = getFPMode(MF);
-
- // XXX: Not quite sure what this does, but sc seems to unset this.
- ProgInfo.IEEEMode = 0;
-
- // Do not clamp NAN to 0.
- ProgInfo.DX10Clamp = 0;
-
- const MachineFrameInfo *FrameInfo = MF.getFrameInfo();
- ProgInfo.ScratchSize = FrameInfo->estimateStackSize(MF);
-
- ProgInfo.FlatUsed = FlatUsed;
- ProgInfo.VCCUsed = VCCUsed;
- ProgInfo.CodeLen = CodeSize;
-
- unsigned LDSAlignShift;
- if (STM.getGeneration() < AMDGPUSubtarget::SEA_ISLANDS) {
- // LDS is allocated in 64 dword blocks.
- LDSAlignShift = 8;
- } else {
- // LDS is allocated in 128 dword blocks.
- LDSAlignShift = 9;
- }
-
- unsigned LDSSpillSize = MFI->LDSWaveSpillSize *
- MFI->getMaximumWorkGroupSize(MF);
-
- ProgInfo.LDSSize = MFI->LDSSize + LDSSpillSize;
- ProgInfo.LDSBlocks =
- RoundUpToAlignment(ProgInfo.LDSSize, 1 << LDSAlignShift) >> LDSAlignShift;
-
- // Scratch is allocated in 256 dword blocks.
- unsigned ScratchAlignShift = 10;
- // We need to program the hardware with the amount of scratch memory that
- // is used by the entire wave. ProgInfo.ScratchSize is the amount of
- // scratch memory used per thread.
- ProgInfo.ScratchBlocks =
- RoundUpToAlignment(ProgInfo.ScratchSize * STM.getWavefrontSize(),
- 1 << ScratchAlignShift) >> ScratchAlignShift;
-
- ProgInfo.ComputePGMRSrc1 =
- S_00B848_VGPRS(ProgInfo.VGPRBlocks) |
- S_00B848_SGPRS(ProgInfo.SGPRBlocks) |
- S_00B848_PRIORITY(ProgInfo.Priority) |
- S_00B848_FLOAT_MODE(ProgInfo.FloatMode) |
- S_00B848_PRIV(ProgInfo.Priv) |
- S_00B848_DX10_CLAMP(ProgInfo.DX10Clamp) |
- S_00B848_IEEE_MODE(ProgInfo.DebugMode) |
- S_00B848_IEEE_MODE(ProgInfo.IEEEMode);
-
- ProgInfo.ComputePGMRSrc2 =
- S_00B84C_SCRATCH_EN(ProgInfo.ScratchBlocks > 0) |
- S_00B84C_USER_SGPR(MFI->NumUserSGPRs) |
- S_00B84C_TGID_X_EN(1) |
- S_00B84C_TGID_Y_EN(1) |
- S_00B84C_TGID_Z_EN(1) |
- S_00B84C_TG_SIZE_EN(1) |
- S_00B84C_TIDIG_COMP_CNT(2) |
- S_00B84C_LDS_SIZE(ProgInfo.LDSBlocks);
-}
-
-static unsigned getRsrcReg(unsigned ShaderType) {
- switch (ShaderType) {
- default: // Fall through
- case ShaderType::COMPUTE: return R_00B848_COMPUTE_PGM_RSRC1;
- case ShaderType::GEOMETRY: return R_00B228_SPI_SHADER_PGM_RSRC1_GS;
- case ShaderType::PIXEL: return R_00B028_SPI_SHADER_PGM_RSRC1_PS;
- case ShaderType::VERTEX: return R_00B128_SPI_SHADER_PGM_RSRC1_VS;
- }
-}
-
-void AMDGPUAsmPrinter::EmitProgramInfoSI(const MachineFunction &MF,
- const SIProgramInfo &KernelInfo) {
- const AMDGPUSubtarget &STM = MF.getSubtarget<AMDGPUSubtarget>();
- const SIMachineFunctionInfo *MFI = MF.getInfo<SIMachineFunctionInfo>();
- unsigned RsrcReg = getRsrcReg(MFI->getShaderType());
-
- if (MFI->getShaderType() == ShaderType::COMPUTE) {
- OutStreamer->EmitIntValue(R_00B848_COMPUTE_PGM_RSRC1, 4);
-
- OutStreamer->EmitIntValue(KernelInfo.ComputePGMRSrc1, 4);
-
- OutStreamer->EmitIntValue(R_00B84C_COMPUTE_PGM_RSRC2, 4);
- OutStreamer->EmitIntValue(KernelInfo.ComputePGMRSrc2, 4);
-
- OutStreamer->EmitIntValue(R_00B860_COMPUTE_TMPRING_SIZE, 4);
- OutStreamer->EmitIntValue(S_00B860_WAVESIZE(KernelInfo.ScratchBlocks), 4);
-
- // TODO: Should probably note flat usage somewhere. SC emits a "FlatPtr32 =
- // 0" comment but I don't see a corresponding field in the register spec.
- } else {
- OutStreamer->EmitIntValue(RsrcReg, 4);
- OutStreamer->EmitIntValue(S_00B028_VGPRS(KernelInfo.VGPRBlocks) |
- S_00B028_SGPRS(KernelInfo.SGPRBlocks), 4);
- if (STM.isVGPRSpillingEnabled(MFI)) {
- OutStreamer->EmitIntValue(R_0286E8_SPI_TMPRING_SIZE, 4);
- OutStreamer->EmitIntValue(S_0286E8_WAVESIZE(KernelInfo.ScratchBlocks), 4);
- }
- }
-
- if (MFI->getShaderType() == ShaderType::PIXEL) {
- OutStreamer->EmitIntValue(R_00B02C_SPI_SHADER_PGM_RSRC2_PS, 4);
- OutStreamer->EmitIntValue(S_00B02C_EXTRA_LDS_SIZE(KernelInfo.LDSBlocks), 4);
- OutStreamer->EmitIntValue(R_0286CC_SPI_PS_INPUT_ENA, 4);
- OutStreamer->EmitIntValue(MFI->PSInputAddr, 4);
- }
-}
-
-void AMDGPUAsmPrinter::EmitAmdKernelCodeT(const MachineFunction &MF,
- const SIProgramInfo &KernelInfo) const {
- const SIMachineFunctionInfo *MFI = MF.getInfo<SIMachineFunctionInfo>();
- const AMDGPUSubtarget &STM = MF.getSubtarget<AMDGPUSubtarget>();
- amd_kernel_code_t header;
-
- memset(&header, 0, sizeof(header));
-
- header.amd_code_version_major = AMD_CODE_VERSION_MAJOR;
- header.amd_code_version_minor = AMD_CODE_VERSION_MINOR;
-
- header.struct_byte_size = sizeof(amd_kernel_code_t);
-
- header.target_chip = STM.getAmdKernelCodeChipID();
-
- header.kernel_code_entry_byte_offset = (1ULL << MF.getAlignment());
-
- header.compute_pgm_resource_registers =
- KernelInfo.ComputePGMRSrc1 |
- (KernelInfo.ComputePGMRSrc2 << 32);
-
- // Code Properties:
- header.code_properties = AMD_CODE_PROPERTY_ENABLE_SGPR_KERNARG_SEGMENT_PTR |
- AMD_CODE_PROPERTY_IS_PTR64;
-
- if (KernelInfo.FlatUsed)
- header.code_properties |= AMD_CODE_PROPERTY_ENABLE_SGPR_FLAT_SCRATCH_INIT;
-
- if (KernelInfo.ScratchBlocks)
- header.code_properties |= AMD_CODE_PROPERTY_ENABLE_SGPR_PRIVATE_SEGMENT_SIZE;
-
- header.workitem_private_segment_byte_size = KernelInfo.ScratchSize;
- header.workgroup_group_segment_byte_size = KernelInfo.LDSSize;
-
- // MFI->ABIArgOffset is the number of bytes for the kernel arguments
- // plus 36. 36 is the number of bytes reserved at the begining of the
- // input buffer to store work-group size information.
- // FIXME: We should be adding the size of the implicit arguments
- // to this value.
- header.kernarg_segment_byte_size = MFI->ABIArgOffset;
-
- header.wavefront_sgpr_count = KernelInfo.NumSGPR;
- header.workitem_vgpr_count = KernelInfo.NumVGPR;
-
- // FIXME: What values do I put for these alignments
- header.kernarg_segment_alignment = 0;
- header.group_segment_alignment = 0;
- header.private_segment_alignment = 0;
-
- header.code_type = 1; // HSA_EXT_CODE_KERNEL
-
- header.wavefront_size = STM.getWavefrontSize();
-
- MCSectionELF *VersionSection =
- OutContext.getELFSection(".hsa.version", ELF::SHT_PROGBITS, 0);
- OutStreamer->SwitchSection(VersionSection);
- OutStreamer->EmitBytes(Twine("HSA Code Unit:" +
- Twine(header.hsail_version_major) + "." +
- Twine(header.hsail_version_minor) + ":" +
- "AMD:" +
- Twine(header.amd_code_version_major) + "." +
- Twine(header.amd_code_version_minor) + ":" +
- "GFX8.1:0").str());
-
- OutStreamer->SwitchSection(getObjFileLowering().getTextSection());
-
- if (isVerbose()) {
- OutStreamer->emitRawComment("amd_code_version_major = " +
- Twine(header.amd_code_version_major), false);
- OutStreamer->emitRawComment("amd_code_version_minor = " +
- Twine(header.amd_code_version_minor), false);
- OutStreamer->emitRawComment("struct_byte_size = " +
- Twine(header.struct_byte_size), false);
- OutStreamer->emitRawComment("target_chip = " +
- Twine(header.target_chip), false);
- OutStreamer->emitRawComment(" compute_pgm_rsrc1: " +
- Twine::utohexstr(KernelInfo.ComputePGMRSrc1),
- false);
- OutStreamer->emitRawComment(" compute_pgm_rsrc2: " +
- Twine::utohexstr(KernelInfo.ComputePGMRSrc2),
- false);
- OutStreamer->emitRawComment("enable_sgpr_private_segment_buffer = " +
- Twine((bool)(header.code_properties &
- AMD_CODE_PROPERTY_ENABLE_SGPR_PRIVATE_SEGMENT_SIZE)), false);
- OutStreamer->emitRawComment("enable_sgpr_kernarg_segment_ptr = " +
- Twine((bool)(header.code_properties &
- AMD_CODE_PROPERTY_ENABLE_SGPR_KERNARG_SEGMENT_PTR)), false);
- OutStreamer->emitRawComment("private_element_size = 2 ", false);
- OutStreamer->emitRawComment("is_ptr64 = " +
- Twine((bool)(header.code_properties & AMD_CODE_PROPERTY_IS_PTR64)), false);
- OutStreamer->emitRawComment("workitem_private_segment_byte_size = " +
- Twine(header.workitem_private_segment_byte_size),
- false);
- OutStreamer->emitRawComment("workgroup_group_segment_byte_size = " +
- Twine(header.workgroup_group_segment_byte_size),
- false);
- OutStreamer->emitRawComment("gds_segment_byte_size = " +
- Twine(header.gds_segment_byte_size), false);
- OutStreamer->emitRawComment("kernarg_segment_byte_size = " +
- Twine(header.kernarg_segment_byte_size), false);
- OutStreamer->emitRawComment("wavefront_sgpr_count = " +
- Twine(header.wavefront_sgpr_count), false);
- OutStreamer->emitRawComment("workitem_vgpr_count = " +
- Twine(header.workitem_vgpr_count), false);
- OutStreamer->emitRawComment("code_type = " + Twine(header.code_type), false);
- OutStreamer->emitRawComment("wavefront_size = " +
- Twine((int)header.wavefront_size), false);
- OutStreamer->emitRawComment("optimization_level = " +
- Twine(header.optimization_level), false);
- OutStreamer->emitRawComment("hsail_profile = " +
- Twine(header.hsail_profile), false);
- OutStreamer->emitRawComment("hsail_machine_model = " +
- Twine(header.hsail_machine_model), false);
- OutStreamer->emitRawComment("hsail_version_major = " +
- Twine(header.hsail_version_major), false);
- OutStreamer->emitRawComment("hsail_version_minor = " +
- Twine(header.hsail_version_minor), false);
- }
-
- OutStreamer->EmitBytes(StringRef((char*)&header, sizeof(header)));
-}
-
-bool AMDGPUAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
- unsigned AsmVariant,
- const char *ExtraCode, raw_ostream &O) {
- if (ExtraCode && ExtraCode[0]) {
- if (ExtraCode[1] != 0)
- return true; // Unknown modifier.
-
- switch (ExtraCode[0]) {
- default:
- // See if this is a generic print operand
- return AsmPrinter::PrintAsmOperand(MI, OpNo, AsmVariant, ExtraCode, O);
- case 'r':
- break;
- }
- }
-
- AMDGPUInstPrinter::printRegOperand(MI->getOperand(OpNo).getReg(), O,
- *TM.getSubtargetImpl(*MF->getFunction())->getRegisterInfo());
- return false;
-}
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