Importing rustc-1.47.0
Bug: 171280890
Change-Id: Iac01e5c09a6ae8e508762cd96c2a88d191af4f0e
diff --git a/src/llvm-project/llvm/lib/Target/PowerPC/PPCSubtarget.cpp b/src/llvm-project/llvm/lib/Target/PowerPC/PPCSubtarget.cpp
index 0997f68..3836cc9 100644
--- a/src/llvm-project/llvm/lib/Target/PowerPC/PPCSubtarget.cpp
+++ b/src/llvm-project/llvm/lib/Target/PowerPC/PPCSubtarget.cpp
@@ -78,6 +78,9 @@
HasP8Crypto = false;
HasP9Vector = false;
HasP9Altivec = false;
+ HasP10Vector = false;
+ HasPrefixInstrs = false;
+ HasPCRelativeMemops = false;
HasFCPSGN = false;
HasFSQRT = false;
HasFRE = false;
@@ -102,7 +105,6 @@
FeatureMFTB = false;
AllowsUnalignedFPAccess = false;
DeprecatedDST = false;
- HasLazyResolverStubs = false;
HasICBT = false;
HasInvariantFunctionDescriptors = false;
HasPartwordAtomics = false;
@@ -110,19 +112,24 @@
IsQPXStackUnaligned = false;
HasHTM = false;
HasFloat128 = false;
+ HasFusion = false;
+ HasAddiLoadFusion = false;
+ HasAddisLoadFusion = false;
IsISA3_0 = false;
+ IsISA3_1 = false;
UseLongCalls = false;
SecurePlt = false;
VectorsUseTwoUnits = false;
UsePPCPreRASchedStrategy = false;
UsePPCPostRASchedStrategy = false;
+ PredictableSelectIsExpensive = false;
HasPOPCNTD = POPCNTD_Unavailable;
}
void PPCSubtarget::initSubtargetFeatures(StringRef CPU, StringRef FS) {
// Determine default and user specified characteristics
- std::string CPUName = CPU;
+ std::string CPUName = std::string(CPU);
if (CPUName.empty() || CPU == "generic") {
// If cross-compiling with -march=ppc64le without -mcpu
if (TargetTriple.getArch() == Triple::ppc64le)
@@ -144,10 +151,6 @@
if (IsPPC64 && has64BitSupport())
Use64BitRegs = true;
- // Set up darwin-specific properties.
- if (isDarwin())
- HasLazyResolverStubs = true;
-
if ((TargetTriple.isOSFreeBSD() && TargetTriple.getOSMajorVersion() >= 13) ||
TargetTriple.isOSNetBSD() || TargetTriple.isOSOpenBSD() ||
TargetTriple.isMusl())
@@ -174,26 +177,10 @@
IsLittleEndian = (TargetTriple.getArch() == Triple::ppc64le);
}
-/// Return true if accesses to the specified global have to go through a dyld
-/// lazy resolution stub. This means that an extra load is required to get the
-/// address of the global.
-bool PPCSubtarget::hasLazyResolverStub(const GlobalValue *GV) const {
- if (!HasLazyResolverStubs)
- return false;
- if (!TM.shouldAssumeDSOLocal(*GV->getParent(), GV))
- return true;
- // 32 bit macho has no relocation for a-b if a is undefined, even if b is in
- // the section that is being relocated. This means we have to use o load even
- // for GVs that are known to be local to the dso.
- if (GV->isDeclarationForLinker() || GV->hasCommonLinkage())
- return true;
- return false;
-}
-
bool PPCSubtarget::enableMachineScheduler() const { return true; }
bool PPCSubtarget::enableMachinePipeliner() const {
- return (CPUDirective == PPC::DIR_PWR9) && EnableMachinePipeliner;
+ return getSchedModel().hasInstrSchedModel() && EnableMachinePipeliner;
}
bool PPCSubtarget::useDFAforSMS() const { return false; }
@@ -243,3 +230,8 @@
bool PPCSubtarget::isELFv2ABI() const { return TM.isELFv2ABI(); }
bool PPCSubtarget::isPPC64() const { return TM.isPPC64(); }
+
+bool PPCSubtarget::isUsingPCRelativeCalls() const {
+ return isPPC64() && hasPCRelativeMemops() && isELFv2ABI() &&
+ CodeModel::Medium == getTargetMachine().getCodeModel();
+}
