本文整理汇总了C++中SISubtarget类的典型用法代码示例。如果您正苦于以下问题：C++ SISubtarget类的具体用法？C++ SISubtarget怎么用？C++ SISubtarget使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了SISubtarget类的10个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: getNumReservedSGPRs
unsigned SIRegisterInfo::getNumReservedSGPRs(const SISubtarget &ST,
const SIMachineFunctionInfo &MFI) const {
if (MFI.hasFlatScratchInit()) {
if (ST.getGeneration() >= AMDGPUSubtarget::VOLCANIC_ISLANDS)
return 6; // FLAT_SCRATCH, XNACK, VCC (in that order)
if (ST.getGeneration() == AMDGPUSubtarget::SEA_ISLANDS)
return 4; // FLAT_SCRATCH, VCC (in that order)
}
if (ST.isXNACKEnabled())
return 4; // XNACK, VCC (in that order)
return 2; // VCC.
}示例2: less
bool GCNRegPressure::less(const SISubtarget &ST,
const GCNRegPressure& O,
unsigned MaxOccupancy) const {
const auto SGPROcc = std::min(MaxOccupancy,
ST.getOccupancyWithNumSGPRs(getSGPRNum()));
const auto VGPROcc = std::min(MaxOccupancy,
ST.getOccupancyWithNumVGPRs(getVGPRNum()));
const auto OtherSGPROcc = std::min(MaxOccupancy,
ST.getOccupancyWithNumSGPRs(O.getSGPRNum()));
const auto OtherVGPROcc = std::min(MaxOccupancy,
ST.getOccupancyWithNumVGPRs(O.getVGPRNum()));
const auto Occ = std::min(SGPROcc, VGPROcc);
const auto OtherOcc = std::min(OtherSGPROcc, OtherVGPROcc);
if (Occ != OtherOcc)
return Occ > OtherOcc;
bool SGPRImportant = SGPROcc < VGPROcc;
const bool OtherSGPRImportant = OtherSGPROcc < OtherVGPROcc;
// if both pressures disagree on what is more important compare vgprs
if (SGPRImportant != OtherSGPRImportant) {
SGPRImportant = false;
}
// compare large regs pressure
bool SGPRFirst = SGPRImportant;
for (int I = 2; I > 0; --I, SGPRFirst = !SGPRFirst) {
if (SGPRFirst) {
auto SW = getSGPRTuplesWeight();
auto OtherSW = O.getSGPRTuplesWeight();
if (SW != OtherSW)
return SW < OtherSW;
} else {
auto VW = getVGPRTuplesWeight();
auto OtherVW = O.getVGPRTuplesWeight();
if (VW != OtherVW)
return VW < OtherVW;
}
}
return SGPRImportant ? (getSGPRNum() < O.getSGPRNum()):
(getVGPRNum() < O.getVGPRNum());
}示例3: getNumExtraSGPRs
static unsigned getNumExtraSGPRs(const SISubtarget &ST,
bool VCCUsed,
bool FlatScrUsed) {
unsigned ExtraSGPRs = 0;
if (VCCUsed)
ExtraSGPRs = 2;
if (ST.getGeneration() < SISubtarget::VOLCANIC_ISLANDS) {
if (FlatScrUsed)
ExtraSGPRs = 4;
} else {
if (ST.isXNACKEnabled())
ExtraSGPRs = 4;
if (FlatScrUsed)
ExtraSGPRs = 6;
}
return ExtraSGPRs;
}示例4: getNumSGPRsAllowed
unsigned SIRegisterInfo::getNumSGPRsAllowed(const SISubtarget &ST,
unsigned WaveCount) const {
if (ST.getGeneration() >= SISubtarget::VOLCANIC_ISLANDS) {
switch (WaveCount) {
case 10: return 80;
case 9: return 80;
case 8: return 96;
default: return 102;
}
} else {
switch(WaveCount) {
case 10: return 48;
case 9: return 56;
case 8: return 64;
case 7: return 72;
case 6: return 80;
case 5: return 96;
default: return 103;
}
}
}示例5: getMinNumSGPRs
unsigned SIRegisterInfo::getMinNumSGPRs(const SISubtarget &ST,
unsigned WavesPerEU) const {
if (ST.getGeneration() >= AMDGPUSubtarget::VOLCANIC_ISLANDS) {
switch (WavesPerEU) {
case 0: return 0;
case 10: return 0;
case 9: return 0;
case 8: return 81;
default: return 97;
}
} else {
switch (WavesPerEU) {
case 0: return 0;
case 10: return 0;
case 9: return 49;
case 8: return 57;
case 7: return 65;
case 6: return 73;
case 5: return 81;
default: return 97;
}
}
}示例6: getMaxNumSGPRs
unsigned SIRegisterInfo::getMaxNumSGPRs(const SISubtarget &ST,
unsigned WavesPerEU) const {
if (ST.getGeneration() >= AMDGPUSubtarget::VOLCANIC_ISLANDS) {
switch (WavesPerEU) {
case 0: return 80;
case 10: return 80;
case 9: return 80;
case 8: return 96;
default: return getNumAddressableSGPRs(ST);
}
} else {
switch (WavesPerEU) {
case 0: return 48;
case 10: return 48;
case 9: return 56;
case 8: return 64;
case 7: return 72;
case 6: return 80;
case 5: return 96;
default: return getNumAddressableSGPRs(ST);
}
}
}示例7: getNumReservedSGPRs
unsigned SIRegisterInfo::getNumReservedSGPRs(const SISubtarget &ST) const {
if (ST.getGeneration() >= AMDGPUSubtarget::VOLCANIC_ISLANDS)
return 6; // VCC, FLAT_SCRATCH, XNACK.
return 2; // VCC.
}示例8: getNumAddressableSGPRs
unsigned SIRegisterInfo::getNumAddressableSGPRs(const SISubtarget &ST) const {
if (ST.getGeneration() >= AMDGPUSubtarget::VOLCANIC_ISLANDS)
return 102;
return 104;
}示例9: getTotalNumSGPRs
unsigned SIRegisterInfo::getTotalNumSGPRs(const SISubtarget &ST) const {
if (ST.getGeneration() >= AMDGPUSubtarget::VOLCANIC_ISLANDS)
return 800;
return 512;
}示例10: getNumDebuggerReservedVGPRs
unsigned SIRegisterInfo::getNumDebuggerReservedVGPRs(
const SISubtarget &ST) const {
if (ST.debuggerReserveRegs())
return 4;
return 0;
}