AMDGPUMCCodeEmitter.cpp File Reference

The AMDGPU code emitter produces machine code that can be executed directly on the GPU device. More...

#include "MCTargetDesc/AMDGPUFixupKinds.h"
#include "MCTargetDesc/AMDGPUMCExpr.h"
#include "MCTargetDesc/AMDGPUMCTargetDesc.h"
#include "SIDefines.h"
#include "Utils/AMDGPUBaseInfo.h"
#include "llvm/ADT/APInt.h"
#include "llvm/MC/MCCodeEmitter.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/EndianStream.h"
#include <optional>
#include "AMDGPUGenMCCodeEmitter.inc"

Go to the source code of this file.

Functions
static void	addFixup (SmallVectorImpl< MCFixup > &Fixups, uint32_t Offset, const MCExpr *Value, uint16_t Kind, bool PCRel=false)
template<typename IntTy>
static uint32_t	getIntInlineImmEncoding (IntTy Imm)
static uint32_t	getLit16Encoding (uint16_t Val, const MCSubtargetInfo &STI)
static uint32_t	getLitBF16Encoding (uint16_t Val)
static uint32_t	getLit32Encoding (uint32_t Val, const MCSubtargetInfo &STI)
static uint32_t	getLit16IntEncoding (uint32_t Val, const MCSubtargetInfo &STI)
static uint32_t	getLit64Encoding (const MCInstrDesc &Desc, uint64_t Val, const MCSubtargetInfo &STI, bool IsFP)
static bool	isVCMPX64 (const MCInstrDesc &Desc)
static bool	needsPCRel (const MCExpr *Expr)

Detailed Description

The AMDGPU code emitter produces machine code that can be executed directly on the GPU device.

Definition in file AMDGPUMCCodeEmitter.cpp.

Function Documentation

addFixup()

void addFixup ( SmallVectorImpl< MCFixup > & Fixups, uint32_t Offset, const MCExpr * Value, uint16_t Kind, bool PCRel = false )

static

Definition at line 107 of file AMDGPUMCCodeEmitter.cpp.

References llvm::MCFixup::create(), and llvm::Offset.

getIntInlineImmEncoding()

template<typename IntTy>

uint32_t getIntInlineImmEncoding ( IntTy Imm )

static

Definition at line 115 of file AMDGPUMCCodeEmitter.cpp.

Referenced by getLit16Encoding(), getLit32Encoding(), getLit64Encoding(), and getLitBF16Encoding().

getLit16Encoding()

uint32_t getLit16Encoding ( uint16_t Val, const MCSubtargetInfo & STI )

static

Definition at line 125 of file AMDGPUMCCodeEmitter.cpp.

References getIntInlineImmEncoding(), and llvm::MCSubtargetInfo::hasFeature().

getLit16IntEncoding()

uint32_t getLit16IntEncoding ( uint32_t Val, const MCSubtargetInfo & STI )

static

Definition at line 218 of file AMDGPUMCCodeEmitter.cpp.

References getLit32Encoding().

getLit32Encoding()

uint32_t getLit32Encoding ( uint32_t Val, const MCSubtargetInfo & STI )

static

Definition at line 182 of file AMDGPUMCCodeEmitter.cpp.

References llvm::bit_cast(), getIntInlineImmEncoding(), and llvm::MCSubtargetInfo::hasFeature().

Referenced by getLit16IntEncoding().

getLit64Encoding()

uint32_t getLit64Encoding ( const MCInstrDesc & Desc, uint64_t Val, const MCSubtargetInfo & STI, bool IsFP )

static

Definition at line 222 of file AMDGPUMCCodeEmitter.cpp.

References llvm::bit_cast(), getIntInlineImmEncoding(), llvm::MCSubtargetInfo::hasFeature(), llvm::isInt(), llvm::isUInt(), llvm::Lo_32(), llvm::SIInstrFlags::VOP3, and llvm::SIInstrFlags::VOP3P.

getLitBF16Encoding()

uint32_t getLitBF16Encoding ( uint16_t Val )

static

Definition at line 161 of file AMDGPUMCCodeEmitter.cpp.

References getIntInlineImmEncoding().

isVCMPX64()

bool isVCMPX64 ( const MCInstrDesc & Desc )

static

Definition at line 368 of file AMDGPUMCCodeEmitter.cpp.

References llvm::SIInstrFlags::VOP3.

needsPCRel()

bool needsPCRel ( const MCExpr * Expr )

static

Definition at line 570 of file AMDGPUMCCodeEmitter.cpp.

References llvm::MCExpr::Binary, llvm::cast(), llvm::MCExpr::Constant, llvm::MCExpr::getKind(), llvm::AMDGPU::getSpecifier(), llvm_unreachable, needsPCRel(), llvm::AMDGPUMCExpr::S_ABS32_HI, llvm::AMDGPUMCExpr::S_ABS32_LO, llvm::AMDGPUMCExpr::S_ABS64, llvm::MCExpr::Specifier, llvm::MCBinaryExpr::Sub, llvm::MCExpr::SymbolRef, llvm::MCExpr::Target, and llvm::MCExpr::Unary.

Referenced by needsPCRel().