[PowerPC] Add support for the CMPB instruction

[oota-llvm.git] / lib / Target / PowerPC / PPCSubtarget.cpp

diff --git a/lib/Target/PowerPC/PPCSubtarget.cpp b/lib/Target/PowerPC/PPCSubtarget.cpp
index d59d62a403f86e7b497871b78cf7e5a97626acc5..fb47c910c2fb51385cb9bc8c023c7e7583a670db 100644 (file)
--- a/lib/Target/PowerPC/PPCSubtarget.cpp
+++ b/lib/Target/PowerPC/PPCSubtarget.cpp
@@ -74,7 +74,7 @@ PPCSubtarget &PPCSubtarget::initializeSubtargetDependencies(StringRef CPU,
 }
 
 PPCSubtarget::PPCSubtarget(const std::string &TT, const std::string &CPU,
-                           const std::string &FS, PPCTargetMachine &TM)
+                           const std::string &FS, const PPCTargetMachine &TM)
     : PPCGenSubtargetInfo(TT, CPU, FS), TargetTriple(TT),
       DL(getDataLayoutString(TargetTriple)),
       IsPPC64(TargetTriple.getArch() == Triple::ppc64 ||
@@ -94,6 +94,7 @@ void PPCSubtarget::initializeEnvironment() {
   HasSPE = false;
   HasQPX = false;
   HasVSX = false;
+  HasP8Vector = false;
   HasFCPSGN = false;
   HasFSQRT = false;
   HasFRE = false;
@@ -107,8 +108,10 @@ void PPCSubtarget::initializeEnvironment() {
   HasFPCVT = false;
   HasISEL = false;
   HasPOPCNTD = false;
+  HasCMPB = false;
   HasLDBRX = false;
   IsBookE = false;
+  HasOnlyMSYNC = false;
   IsPPC4xx = false;
   IsPPC6xx = false;
   IsE500 = false;
@@ -152,11 +155,6 @@ void PPCSubtarget::initSubtargetFeatures(StringRef CPU, StringRef FS) {
   // Determine endianness.
   IsLittleEndian = (TargetTriple.getArch() == Triple::ppc64le);
 
-  // FIXME: For now, we disable VSX in little-endian mode until endian
-  // issues in those instructions can be addressed.
-  if (IsLittleEndian)
-    HasVSX = false;
-
   // Determine default ABI.
   if (TargetABI == PPC_ABI_UNKNOWN) {
     if (!isDarwin() && IsPPC64) {
@@ -176,9 +174,7 @@ bool PPCSubtarget::hasLazyResolverStub(const GlobalValue *GV,
   // We never have stubs if HasLazyResolverStubs=false or if in static mode.
   if (!HasLazyResolverStubs || TM.getRelocationModel() == Reloc::Static)
     return false;
-  // If symbol visibility is hidden, the extra load is not needed if
-  // the symbol is definitely defined in the current translation unit.
-  bool isDecl = GV->isDeclaration() && !GV->isMaterializable();
+  bool isDecl = GV->isDeclaration();
   if (GV->hasHiddenVisibility() && !isDecl && !GV->hasCommonLinkage())
     return false;
   return GV->hasWeakLinkage() || GV->hasLinkOnceLinkage() ||