LLVM: lib/Target/X86/X86FloatingPoint.cpp File Reference (original) (raw)

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Macros
#define DEBUG_TYPE "x86-fp-stackifier"
#define ASSERT_SORTED(TABLE)
Functions
STATISTIC (NumFXCH, "Number of fxch instructions inserted")
STATISTIC (NumFP, "Number of floating point instructions")
INITIALIZE_PASS_BEGIN (X86FPStackifierLegacy, DEBUG_TYPE, "X86 FP Stackifier", false, false) INITIALIZE_PASS_END(X86FPStackifierLegacy
static unsigned getFPReg (const MachineOperand &MO)
getFPReg - Return the X86::FPx register number for the specified operand.
static int Lookup (ArrayRef< TableEntry > Table, unsigned Opcode)
static unsigned getConcreteOpcode (unsigned Opcode)
static bool doesInstructionSetFPSW (MachineInstr &MI)
static MachineBasicBlock::iterator getNextFPInstruction (MachineBasicBlock::iterator I)
Variables
DEBUG_TYPE
X86 FP Stackifier
X86 FP false
static const TableEntry OpcodeTable []
static const TableEntry PopTable []
static const TableEntry ForwardST0Table []
static const TableEntry ReverseST0Table []
static const TableEntry ForwardSTiTable []
static const TableEntry ReverseSTiTable []

◆ ASSERT_SORTED

#define ASSERT_SORTED ( TABLE )

Value:

{ \

static std::atomic TABLE##Checked(false); \

if (!TABLE##Checked.load(std::memory_order_relaxed)) { \

"All lookup tables must be sorted for efficient access!"); \

TABLE##Checked.store(true, std::memory_order_relaxed); \

} \

}

bool is_sorted(R &&Range, Compare C)

Wrapper function around std::is_sorted to check if elements in a range R are sorted with respect to a...

Definition at line 645 of file X86FloatingPoint.cpp.

Referenced by getConcreteOpcode().

◆ DEBUG_TYPE

#define DEBUG_TYPE "x86-fp-stackifier"

◆ doesInstructionSetFPSW()

◆ getConcreteOpcode()

◆ getFPReg()

◆ getNextFPInstruction()

◆ INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN ( X86FPStackifierLegacy ,
DEBUG_TYPE ,
"X86 FP Stackifier" ,
false ,
false )

◆ Lookup()

Definition at line 635 of file X86FloatingPoint.cpp.

References llvm::ArrayRef< T >::end(), I, and llvm::lower_bound().

Referenced by llvm::PointerSumType< TagT, MemberTs... >::cast(), llvm::PointerSumType< TagT, MemberTs... >::create(), llvm::TargetLowering::CTTZTableLookup(), llvm::PointerSumType< TagT, MemberTs... >::get(), getConcreteOpcode(), llvm::getExtInstName(), llvm::getLinkStringForBuiltIn(), llvm::SelectionDAG::getNodeIfExists(), llvm::ConstantUniqueMap< ConstantArray >::getOrCreate(), llvm::ReachingDefInfo::getReachingDef(), llvm::getSpirvBuiltInIdByName(), llvm::getSymbolicOperandMaxVersion(), llvm::getSymbolicOperandMinVersion(), llvm::getSymbolicOperandMnemonic(), llvm::orc::EPCGenericDylibManager::lookup(), llvm::orc::EPCGenericDylibManager::lookup(), llvm::orc::EPCGenericDylibManager::lookupAsync(), llvm::orc::EPCGenericDylibManager::lookupAsync(), llvm::ConstantUniqueMap< ConstantArray >::replaceOperandsInPlace(), llvm::PointerSumType< TagT, MemberTs... >::set(), and llvm::FunctionImporter::SortedImportList::SortedImportList().

◆ STATISTIC() [1/2]

STATISTIC ( NumFP ,
"Number of floating point instructions" )

References TII.

◆ STATISTIC() [2/2]

STATISTIC ( NumFXCH ,
"Number of fxch instructions inserted" )

◆ DEBUG_TYPE

◆ false

◆ ForwardST0Table

Initial value:

= {

{X86::ADD_Fp32, X86::ADD_FST0r}, {X86::ADD_Fp64, X86::ADD_FST0r},

{X86::ADD_Fp80, X86::ADD_FST0r}, {X86::DIV_Fp32, X86::DIV_FST0r},

{X86::DIV_Fp64, X86::DIV_FST0r}, {X86::DIV_Fp80, X86::DIV_FST0r},

{X86::MUL_Fp32, X86::MUL_FST0r}, {X86::MUL_Fp64, X86::MUL_FST0r},

{X86::MUL_Fp80, X86::MUL_FST0r}, {X86::SUB_Fp32, X86::SUB_FST0r},

{X86::SUB_Fp64, X86::SUB_FST0r}, {X86::SUB_Fp80, X86::SUB_FST0r},

}

Definition at line 1309 of file X86FloatingPoint.cpp.

◆ ForwardSTiTable

Initial value:

= {

{X86::ADD_Fp32, X86::ADD_FrST0},

{X86::ADD_Fp64, X86::ADD_FrST0},

{X86::ADD_Fp80, X86::ADD_FrST0},

{X86::DIV_Fp32, X86::DIVR_FrST0},

{X86::DIV_Fp64, X86::DIVR_FrST0},

{X86::DIV_Fp80, X86::DIVR_FrST0},

{X86::MUL_Fp32, X86::MUL_FrST0},

{X86::MUL_Fp64, X86::MUL_FrST0},

{X86::MUL_Fp80, X86::MUL_FrST0},

{X86::SUB_Fp32, X86::SUBR_FrST0},

{X86::SUB_Fp64, X86::SUBR_FrST0},

{X86::SUB_Fp80, X86::SUBR_FrST0},

}

Definition at line 1335 of file X86FloatingPoint.cpp.

◆ OpcodeTable

◆ PopTable

Initial value:

= {

{X86::ADD_FrST0, X86::ADD_FPrST0},

{X86::COMP_FST0r, X86::FCOMPP}, {X86::COM_FIr, X86::COM_FIPr},

{X86::COM_FST0r, X86::COMP_FST0r},

{X86::DIVR_FrST0, X86::DIVR_FPrST0}, {X86::DIV_FrST0, X86::DIV_FPrST0},

{X86::IST_F16m, X86::IST_FP16m}, {X86::IST_F32m, X86::IST_FP32m},

{X86::MUL_FrST0, X86::MUL_FPrST0},

{X86::ST_F32m, X86::ST_FP32m}, {X86::ST_F64m, X86::ST_FP64m},

{X86::ST_Frr, X86::ST_FPrr},

{X86::SUBR_FrST0, X86::SUBR_FPrST0}, {X86::SUB_FrST0, X86::SUB_FPrST0},

{X86::UCOM_FIr, X86::UCOM_FIPr},

{X86::UCOM_FPr, X86::UCOM_FPPr}, {X86::UCOM_Fr, X86::UCOM_FPr},

}

Definition at line 843 of file X86FloatingPoint.cpp.

◆ ReverseST0Table

Initial value:

= {

{X86::ADD_Fp32, X86::ADD_FST0r},

{X86::ADD_Fp64, X86::ADD_FST0r},

{X86::ADD_Fp80, X86::ADD_FST0r},

{X86::DIV_Fp32, X86::DIVR_FST0r},

{X86::DIV_Fp64, X86::DIVR_FST0r},

{X86::DIV_Fp80, X86::DIVR_FST0r},

{X86::MUL_Fp32, X86::MUL_FST0r},

{X86::MUL_Fp64, X86::MUL_FST0r},

{X86::MUL_Fp80, X86::MUL_FST0r},

{X86::SUB_Fp32, X86::SUBR_FST0r},

{X86::SUB_Fp64, X86::SUBR_FST0r},

{X86::SUB_Fp80, X86::SUBR_FST0r},

}

Definition at line 1319 of file X86FloatingPoint.cpp.

◆ ReverseSTiTable

Initial value:

= {

{X86::ADD_Fp32, X86::ADD_FrST0}, {X86::ADD_Fp64, X86::ADD_FrST0},

{X86::ADD_Fp80, X86::ADD_FrST0}, {X86::DIV_Fp32, X86::DIV_FrST0},

{X86::DIV_Fp64, X86::DIV_FrST0}, {X86::DIV_Fp80, X86::DIV_FrST0},

{X86::MUL_Fp32, X86::MUL_FrST0}, {X86::MUL_Fp64, X86::MUL_FrST0},

{X86::MUL_Fp80, X86::MUL_FrST0}, {X86::SUB_Fp32, X86::SUB_FrST0},

{X86::SUB_Fp64, X86::SUB_FrST0}, {X86::SUB_Fp80, X86::SUB_FrST0},

}

Definition at line 1351 of file X86FloatingPoint.cpp.

◆ Stackifier