diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/SparcV9/SparcV9Internals.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/lib/Target/SparcV9/SparcV9Internals.h b/lib/Target/SparcV9/SparcV9Internals.h index 53a4beb6ce..c24b9bd384 100644 --- a/lib/Target/SparcV9/SparcV9Internals.h +++ b/lib/Target/SparcV9/SparcV9Internals.h @@ -89,6 +89,22 @@ extern const MachineInstrDescriptor SparcMachineInstrDesc[]; class UltraSparcInstrInfo : public MachineInstrInfo { public: /*ctor*/ UltraSparcInstrInfo(const TargetMachine& tgt); + + // + // All immediate constants are in position 0 except the + // store instructions. + // + virtual int getImmmedConstantPos(MachineOpCode opCode) const { + bool ignore; + if (this->maxImmedConstant(opCode, ignore) != 0) + { + assert(! this->isStore((MachineOpCode) STB - 1)); // first store is STB + assert(! this->isStore((MachineOpCode) STD + 1)); // last store is STD + return (opCode >= STB || opCode <= STD)? 2 : 1; + } + else + return -1; + } virtual bool hasResultInterlock (MachineOpCode opCode) const { |