MIPS64: Optimize simulator.

src/mips64/disasm-mips64.cc

Index: src/mips64/disasm-mips64.cc
diff --git a/src/mips64/disasm-mips64.cc b/src/mips64/disasm-mips64.cc
index 9639cef4dce59608c5a1eb3b11f6a84bbf283489..ddff375ece77b98574caeda3c12577629f2b064e 100644
--- a/src/mips64/disasm-mips64.cc
+++ b/src/mips64/disasm-mips64.cc
@@ -1828,7 +1828,7 @@ int Decoder::InstructionDecode(byte* instr_ptr) {
   out_buffer_pos_ += SNPrintF(out_buffer_ + out_buffer_pos_,
                               "%08x       ",
                               instr->InstructionBits());
-  switch (instr->InstructionType()) {
+  switch (instr->InstructionType(Instruction::EXTRA)) {

[paul.l..., 2015/09/17 18:07:24]

Can we do Instruction::TypeChecks::EXTRA here? That is self-explanatory, whereas
omitting the enum name makes this confusing (to me anyway, and I already know
what it does :-)

[balazs.kilvady, 2015/09/18 10:42:51]

Done.

     case Instruction::kRegisterType: {
       return DecodeTypeRegister(instr);
     }