[ARM] Support for ARMv6-Z / ARMv6-ZK missing

[oota-llvm.git] / lib / Target / ARM / AsmParser / ARMAsmParser.cpp

diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index 21414b085ffd431a5385649df5b2310d99860ab0..68188b131375b68b3345bfcc330ada1bcff3d76e 100644 (file)
--- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -272,8 +272,8 @@ class ARMAsmParser : public MCTargetAsmParser {
   bool hasARM() const {
     return !STI.getFeatureBits()[ARM::FeatureNoARM];
   }
-  bool hasThumb2DSP() const {
-    return STI.getFeatureBits()[ARM::FeatureDSPThumb2];
+  bool hasDSP() const {
+    return STI.getFeatureBits()[ARM::FeatureDSP];
   }
   bool hasD16() const {
     return STI.getFeatureBits()[ARM::FeatureD16];
@@ -3972,7 +3972,7 @@ ARMAsmParser::parseMSRMaskOperand(OperandVector &Operands) {
     if (FlagsVal == ~0U)
       return MatchOperand_NoMatch;
 
-    if (!hasThumb2DSP() && (FlagsVal & 0x400))
+    if (!hasDSP() && (FlagsVal & 0x400))
       // The _g and _nzcvqg versions are only valid if the DSP extension is
       // available.
       return MatchOperand_NoMatch;
@@ -5173,11 +5173,18 @@ bool ARMAsmParser::parsePrefix(ARMMCExpr::VariantKind &RefKind) {
     return true;
   }
 
+  enum {
+    COFF = (1 << MCObjectFileInfo::IsCOFF),
+    ELF = (1 << MCObjectFileInfo::IsELF),
+    MACHO = (1 << MCObjectFileInfo::IsMachO)
+  };
   static const struct PrefixEntry {
     const char *Spelling;
     ARMMCExpr::VariantKind VariantKind;
+    uint8_t SupportedFormats;
   } PrefixEntries[] = {
-      {"lower16", ARMMCExpr::VK_ARM_LO16}, {"upper16", ARMMCExpr::VK_ARM_HI16},
+    { "lower16", ARMMCExpr::VK_ARM_LO16, COFF | ELF | MACHO },
+    { "upper16", ARMMCExpr::VK_ARM_HI16, COFF | ELF | MACHO },
   };
 
   StringRef IDVal = Parser.getTok().getIdentifier();
@@ -5192,6 +5199,25 @@ bool ARMAsmParser::parsePrefix(ARMMCExpr::VariantKind &RefKind) {
     return true;
   }
 
+  uint8_t CurrentFormat;
+  switch (getContext().getObjectFileInfo()->getObjectFileType()) {
+  case MCObjectFileInfo::IsMachO:
+    CurrentFormat = MACHO;
+    break;
+  case MCObjectFileInfo::IsELF:
+    CurrentFormat = ELF;
+    break;
+  case MCObjectFileInfo::IsCOFF:
+    CurrentFormat = COFF;
+    break;
+  }
+
+  if (~Prefix->SupportedFormats & CurrentFormat) {
+    Error(Parser.getTok().getLoc(),
+          "cannot represent relocation in the current file format");
+    return true;
+  }
+
   RefKind = Prefix->VariantKind;
   Parser.Lex();
 
@@ -8665,10 +8691,10 @@ bool ARMAsmParser::MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode,
 
 /// parseDirective parses the arm specific directives
 bool ARMAsmParser::ParseDirective(AsmToken DirectiveID) {
-  Triple::ObjectFormatType Format =
-      getContext().getObjectFileInfo()->getTargetTriple().getObjectFormat();
-  bool IsMachO = Format == Triple::MachO;
-  bool IsCOFF = Format == Triple::COFF;
+  const MCObjectFileInfo::Environment Format =
+    getContext().getObjectFileInfo()->getObjectFileType();
+  bool IsMachO = Format == MCObjectFileInfo::IsMachO;
+  bool IsCOFF = Format == MCObjectFileInfo::IsCOFF;
 
   StringRef IDVal = DirectiveID.getIdentifier();
   if (IDVal == ".word")
@@ -8833,9 +8859,8 @@ void ARMAsmParser::onLabelParsed(MCSymbol *Symbol) {
 ///  ::= .thumbfunc symbol_name
 bool ARMAsmParser::parseDirectiveThumbFunc(SMLoc L) {
   MCAsmParser &Parser = getParser();
-  Triple::ObjectFormatType Format =
-      getContext().getObjectFileInfo()->getTargetTriple().getObjectFormat();
-  bool IsMachO = Format == Triple::MachO;
+  const auto Format = getContext().getObjectFileInfo()->getObjectFileType();
+  bool IsMachO = Format == MCObjectFileInfo::IsMachO;
 
   // Darwin asm has (optionally) function name after .thumb_func direction
   // ELF doesn't
@@ -8991,7 +9016,7 @@ bool ARMAsmParser::parseDirectiveUnreq(SMLoc L) {
 bool ARMAsmParser::parseDirectiveArch(SMLoc L) {
   StringRef Arch = getParser().parseStringToEndOfStatement().trim();
 
-  unsigned ID = ARMTargetParser::parseArch(Arch);
+  unsigned ID = ARM::parseArch(Arch);
 
   if (ID == ARM::AK_INVALID) {
     Error(L, "Unknown arch name");
@@ -9138,9 +9163,9 @@ bool ARMAsmParser::parseDirectiveFPU(SMLoc L) {
   SMLoc FPUNameLoc = getTok().getLoc();
   StringRef FPU = getParser().parseStringToEndOfStatement().trim();
 
-  unsigned ID = ARMTargetParser::parseFPU(FPU);
+  unsigned ID = ARM::parseFPU(FPU);
   std::vector<const char *> Features;
-  if (!ARMTargetParser::getFPUFeatures(ID, Features)) {
+  if (!ARM::getFPUFeatures(ID, Features)) {
     Error(FPUNameLoc, "Unknown FPU name");
     return false;
   }
@@ -9784,7 +9809,7 @@ bool ARMAsmParser::parseDirectiveObjectArch(SMLoc L) {
   SMLoc ArchLoc = Parser.getTok().getLoc();
   getLexer().Lex();
 
-  unsigned ID = ARMTargetParser::parseArch(Arch);
+  unsigned ID = ARM::parseArch(Arch);
 
   if (ID == ARM::AK_INVALID) {
     Error(ArchLoc, "unknown architecture '" + Arch + "'");
@@ -9877,8 +9902,7 @@ static const struct {
     {ARM::FeatureHWDiv, ARM::FeatureHWDivARM} },
   { ARM::AEK_MP, Feature_HasV7 | Feature_IsNotMClass, {ARM::FeatureMP} },
   { ARM::AEK_SIMD, Feature_HasV8, {ARM::FeatureNEON, ARM::FeatureFPARMv8} },
-  // FIXME: Also available in ARMv6-K
-  { ARM::AEK_SEC, Feature_HasV7, {ARM::FeatureTrustZone} },
+  { ARM::AEK_SEC, Feature_HasV6K, {ARM::FeatureTrustZone} },
   // FIXME: Only available in A-class, isel not predicated
   { ARM::AEK_VIRT, Feature_HasV7, {ARM::FeatureVirtualization} },
   // FIXME: Unsupported extensions.
@@ -9909,7 +9933,7 @@ bool ARMAsmParser::parseDirectiveArchExtension(SMLoc L) {
     EnableFeature = false;
     Name = Name.substr(2);
   }
-  unsigned FeatureKind = ARMTargetParser::parseArchExt(Name);
+  unsigned FeatureKind = ARM::parseArchExt(Name);
   if (FeatureKind == ARM::AEK_INVALID)
     Error(ExtLoc, "unknown architectural extension: " + Name);