diff options
Diffstat (limited to 'lib/Target/Mips/AsmParser/MipsAsmParser.cpp')
-rw-r--r-- | lib/Target/Mips/AsmParser/MipsAsmParser.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/Target/Mips/AsmParser/MipsAsmParser.cpp b/lib/Target/Mips/AsmParser/MipsAsmParser.cpp index b3018c9602..3133a51b3f 100644 --- a/lib/Target/Mips/AsmParser/MipsAsmParser.cpp +++ b/lib/Target/Mips/AsmParser/MipsAsmParser.cpp @@ -176,6 +176,12 @@ class MipsAsmParser : public MCTargetAsmParser { bool hasMips4() const { return STI.getFeatureBits() & Mips::FeatureMips4; } bool hasMips32() const { return STI.getFeatureBits() & Mips::FeatureMips32; } + bool hasMips32r6() const { + return STI.getFeatureBits() & Mips::FeatureMips32r6; + } + bool hasMips64r6() const { + return STI.getFeatureBits() & Mips::FeatureMips64r6; + } bool parseRegister(unsigned &RegNum); @@ -905,6 +911,14 @@ bool MipsAsmParser::processInstruction(MCInst &Inst, SMLoc IDLoc, } } + // SSNOP is deprecated on MIPS32r6/MIPS64r6 + // We still accept it but it is a normal nop. + if (hasMips32r6() && Inst.getOpcode() == Mips::SSNOP) { + std::string ISA = hasMips64r6() ? "MIPS64r6" : "MIPS32r6"; + Warning(IDLoc, "ssnop is deprecated for " + ISA + " and is equivalent to a " + "nop instruction"); + } + if (MCID.hasDelaySlot() && Options.isReorder()) { // If this instruction has a delay slot and .set reorder is active, // emit a NOP after it. |