LLVM: lib/Target/Sparc/SparcSubtarget.cpp Source File (original) (raw)
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19using namespace llvm;
20
21#define DEBUG_TYPE "sparc-subtarget"
22
23#define GET_SUBTARGETINFO_TARGET_DESC
24#define GET_SUBTARGETINFO_CTOR
25#include "SparcGenSubtargetInfo.inc"
26
27void SparcSubtarget::anchor() { }
28
31 const Triple &TT = getTargetTriple();
32
33 std::string CPUName = std::string(CPU);
34 if (CPUName.empty())
35 CPUName = TT.isSPARC64() ? "v9" : "v8";
36
37 if (TuneCPU.empty())
38 TuneCPU = CPUName;
39
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43 if (!Is64Bit && TT.isSPARC64()) {
45 setFeatureBits(Features.set(Sparc::Feature64Bit));
46 Is64Bit = true;
47 }
48
49
50 if (!IsV9)
51 UsePopc = false;
52
53 return *this;
54}
55
59 ReserveRegister(TM.getMCRegisterInfo()->getNumRegs()),
61 TLInfo(TM, *this), FrameLowering(*this) {
62 TSInfo = std::make_unique();
63}
64
66
68 return TSInfo.get();
69}
70
72 if (hasHardQuad())
73 return;
74
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76 if (is64Bit() && !useSoftFloat()) {
77 Info.setLibcallImpl(RTLIB::ADD_F128, RTLIB::impl__Qp_add);
78 Info.setLibcallImpl(RTLIB::SUB_F128, RTLIB::impl__Qp_sub);
79 Info.setLibcallImpl(RTLIB::MUL_F128, RTLIB::impl__Qp_mul);
80 Info.setLibcallImpl(RTLIB::DIV_F128, RTLIB::impl__Qp_div);
81 Info.setLibcallImpl(RTLIB::SQRT_F128, RTLIB::impl__Qp_sqrt);
82 Info.setLibcallImpl(RTLIB::FPTOSINT_F128_I32, RTLIB::impl__Qp_qtoi);
83 Info.setLibcallImpl(RTLIB::FPTOUINT_F128_I32, RTLIB::impl__Qp_qtoui);
84 Info.setLibcallImpl(RTLIB::SINTTOFP_I32_F128, RTLIB::impl__Qp_itoq);
85 Info.setLibcallImpl(RTLIB::UINTTOFP_I32_F128, RTLIB::impl__Qp_uitoq);
86 Info.setLibcallImpl(RTLIB::FPTOSINT_F128_I64, RTLIB::impl__Qp_qtox);
87 Info.setLibcallImpl(RTLIB::FPTOUINT_F128_I64, RTLIB::impl__Qp_qtoux);
88 Info.setLibcallImpl(RTLIB::SINTTOFP_I64_F128, RTLIB::impl__Qp_xtoq);
89 Info.setLibcallImpl(RTLIB::UINTTOFP_I64_F128, RTLIB::impl__Qp_uxtoq);
90 Info.setLibcallImpl(RTLIB::FPEXT_F32_F128, RTLIB::impl__Qp_stoq);
91 Info.setLibcallImpl(RTLIB::FPEXT_F64_F128, RTLIB::impl__Qp_dtoq);
92 Info.setLibcallImpl(RTLIB::FPROUND_F128_F32, RTLIB::impl__Qp_qtos);
93 Info.setLibcallImpl(RTLIB::FPROUND_F128_F64, RTLIB::impl__Qp_qtod);
94 } else if (!useSoftFloat()) {
95 Info.setLibcallImpl(RTLIB::ADD_F128, RTLIB::impl__Q_add);
96 Info.setLibcallImpl(RTLIB::SUB_F128, RTLIB::impl__Q_sub);
97 Info.setLibcallImpl(RTLIB::MUL_F128, RTLIB::impl__Q_mul);
98 Info.setLibcallImpl(RTLIB::DIV_F128, RTLIB::impl__Q_div);
99 Info.setLibcallImpl(RTLIB::SQRT_F128, RTLIB::impl__Q_sqrt);
100 Info.setLibcallImpl(RTLIB::FPTOSINT_F128_I32, RTLIB::impl__Q_qtoi);
101 Info.setLibcallImpl(RTLIB::FPTOUINT_F128_I32, RTLIB::impl__Q_qtou);
102 Info.setLibcallImpl(RTLIB::SINTTOFP_I32_F128, RTLIB::impl__Q_itoq);
103 Info.setLibcallImpl(RTLIB::UINTTOFP_I32_F128, RTLIB::impl__Q_utoq);
104 Info.setLibcallImpl(RTLIB::FPEXT_F32_F128, RTLIB::impl__Q_stoq);
105 Info.setLibcallImpl(RTLIB::FPEXT_F64_F128, RTLIB::impl__Q_dtoq);
106 Info.setLibcallImpl(RTLIB::FPROUND_F128_F32, RTLIB::impl__Q_qtos);
107 Info.setLibcallImpl(RTLIB::FPROUND_F128_F64, RTLIB::impl__Q_qtod);
108 }
109}
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116 frameSize += 128;
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119 frameSize = alignTo(frameSize, 16);
120 } else {
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128 frameSize += 92;
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132 frameSize = alignTo(frameSize, 8);
133 }
134 return frameSize;
135}
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static bool is64Bit(const char *name)
Container class for subtarget features.
Tracks which library functions to use for a particular subtarget.
Targets can subclass this to parameterize the SelectionDAG lowering and instruction selection process...
void initLibcallLoweringInfo(LibcallLoweringInfo &Info) const override
Definition SparcSubtarget.cpp:71
~SparcSubtarget() override
int getAdjustedFrameSize(int stackSize) const
Given a actual stack size as determined by FrameInfo, this function returns adjusted framesize which ...
Definition SparcSubtarget.cpp:111
bool enableMachineScheduler() const override
Definition SparcSubtarget.cpp:137
SparcSubtarget(const StringRef &CPU, const StringRef &TuneCPU, const StringRef &FS, const TargetMachine &TM)
Definition SparcSubtarget.cpp:56
void ParseSubtargetFeatures(StringRef CPU, StringRef TuneCPU, StringRef FS)
ParseSubtargetFeatures - Parses features string setting specified subtarget options.
SparcSubtarget & initializeSubtargetDependencies(StringRef CPU, StringRef TuneCPU, StringRef FS)
Definition SparcSubtarget.cpp:29
const SelectionDAGTargetInfo * getSelectionDAGInfo() const override
Definition SparcSubtarget.cpp:67
StringRef - Represent a constant reference to a string, i.e.
constexpr bool empty() const
empty - Check if the string is empty.
Primary interface to the complete machine description for the target machine.
Triple - Helper class for working with autoconf configuration names.
This is an optimization pass for GlobalISel generic memory operations.
uint64_t alignTo(uint64_t Size, Align A)
Returns a multiple of A needed to store Size bytes.