diff options
Diffstat (limited to 'lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp')
-rw-r--r-- | lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp | 44 |
1 files changed, 38 insertions, 6 deletions
diff --git a/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp b/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp index a8f7509..fe83fe1 100644 --- a/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp +++ b/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp @@ -13,6 +13,7 @@ #include "llvm/MC/MCStreamer.h" #include "llvm/MC/MCExpr.h" #include "llvm/MC/MCInst.h" +#include "llvm/MC/MCInstrInfo.h" #include "llvm/MC/MCRegisterInfo.h" #include "llvm/MC/MCSubtargetInfo.h" #include "llvm/MC/MCParser/MCAsmLexer.h" @@ -174,6 +175,7 @@ struct PPCOperand; class PPCAsmParser : public MCTargetAsmParser { MCSubtargetInfo &STI; MCAsmParser &Parser; + const MCInstrInfo &MII; bool IsPPC64; MCAsmParser &getParser() const { return Parser; } @@ -218,8 +220,9 @@ class PPCAsmParser : public MCTargetAsmParser { public: - PPCAsmParser(MCSubtargetInfo &_STI, MCAsmParser &_Parser) - : MCTargetAsmParser(), STI(_STI), Parser(_Parser) { + PPCAsmParser(MCSubtargetInfo &_STI, MCAsmParser &_Parser, + const MCInstrInfo &_MII) + : MCTargetAsmParser(), STI(_STI), Parser(_Parser), MII(_MII) { // Check for 64-bit vs. 32-bit pointer mode. Triple TheTriple(STI.getTargetTriple()); IsPPC64 = (TheTriple.getArch() == Triple::ppc64 || @@ -235,6 +238,10 @@ public: virtual bool ParseDirective(AsmToken DirectiveID); unsigned validateTargetOperandClass(MCParsedAsmOperand *Op, unsigned Kind); + + virtual const MCExpr *applyModifierToExpr(const MCExpr *E, + MCSymbolRefExpr::VariantKind, + MCContext &Ctx); }; /// PPCOperand - Instances of this class represent a parsed PowerPC machine @@ -900,19 +907,19 @@ MatchRegisterName(const AsmToken &Tok, unsigned &RegNo, int64_t &IntVal) { RegNo = PPC::VRSAVE; IntVal = 256; return false; - } else if (Name.substr(0, 1).equals_lower("r") && + } else if (Name.startswith_lower("r") && !Name.substr(1).getAsInteger(10, IntVal) && IntVal < 32) { RegNo = isPPC64()? XRegs[IntVal] : RRegs[IntVal]; return false; - } else if (Name.substr(0, 1).equals_lower("f") && + } else if (Name.startswith_lower("f") && !Name.substr(1).getAsInteger(10, IntVal) && IntVal < 32) { RegNo = FRegs[IntVal]; return false; - } else if (Name.substr(0, 1).equals_lower("v") && + } else if (Name.startswith_lower("v") && !Name.substr(1).getAsInteger(10, IntVal) && IntVal < 32) { RegNo = VRegs[IntVal]; return false; - } else if (Name.substr(0, 2).equals_lower("cr") && + } else if (Name.startswith_lower("cr") && !Name.substr(2).getAsInteger(10, IntVal) && IntVal < 8) { RegNo = CRRegs[IntVal]; return false; @@ -1353,6 +1360,8 @@ unsigned PPCAsmParser::validateTargetOperandClass(MCParsedAsmOperand *AsmOp, switch (Kind) { case MCK_0: ImmVal = 0; break; case MCK_1: ImmVal = 1; break; + case MCK_2: ImmVal = 2; break; + case MCK_3: ImmVal = 3; break; default: return Match_InvalidOperand; } @@ -1363,3 +1372,26 @@ unsigned PPCAsmParser::validateTargetOperandClass(MCParsedAsmOperand *AsmOp, return Match_InvalidOperand; } +const MCExpr * +PPCAsmParser::applyModifierToExpr(const MCExpr *E, + MCSymbolRefExpr::VariantKind Variant, + MCContext &Ctx) { + switch (Variant) { + case MCSymbolRefExpr::VK_PPC_LO: + return PPCMCExpr::Create(PPCMCExpr::VK_PPC_LO, E, false, Ctx); + case MCSymbolRefExpr::VK_PPC_HI: + return PPCMCExpr::Create(PPCMCExpr::VK_PPC_HI, E, false, Ctx); + case MCSymbolRefExpr::VK_PPC_HA: + return PPCMCExpr::Create(PPCMCExpr::VK_PPC_HA, E, false, Ctx); + case MCSymbolRefExpr::VK_PPC_HIGHER: + return PPCMCExpr::Create(PPCMCExpr::VK_PPC_HIGHER, E, false, Ctx); + case MCSymbolRefExpr::VK_PPC_HIGHERA: + return PPCMCExpr::Create(PPCMCExpr::VK_PPC_HIGHERA, E, false, Ctx); + case MCSymbolRefExpr::VK_PPC_HIGHEST: + return PPCMCExpr::Create(PPCMCExpr::VK_PPC_HIGHEST, E, false, Ctx); + case MCSymbolRefExpr::VK_PPC_HIGHESTA: + return PPCMCExpr::Create(PPCMCExpr::VK_PPC_HIGHESTA, E, false, Ctx); + default: + return 0; + } +} |