Reland "MIPS: Add float instructions and test coverage, part one"

src/mips64/disasm-mips64.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // A Disassembler object is used to disassemble a block of code instruction by
 // instruction. The default implementation of the NameConverter object can be
 // overriden to modify register names or to do symbol lookup on addresses.
 //
 // The example below will disassemble a block of code and print it to stdout.
 //
@@ skipping 502 matching lines @@
     return Instruction::kInstrSize;
   }
 }
 
 
 bool Decoder::DecodeTypeRegisterRsType(Instruction* instr) {
   switch (instr->FunctionFieldRaw()) {
     case RINT:
       Format(instr, "rint.'t    'fd, 'fs");
       break;
+    case SEL:
+      Format(instr, "sel.'t      'fd, 'fs, 'ft");
+      break;
     case SELEQZ_C:
       Format(instr, "seleqz.'t    'fd, 'fs, 'ft");
       break;
     case SELNEZ_C:
       Format(instr, "selnez.'t    'fd, 'fs, 'ft");
       break;
+    case MOVZ_C:
+      Format(instr, "movz.'t    'fd, 'fs, 'rt");
+      break;
+    case MOVN_C:
+      Format(instr, "movn.'t    'fd, 'fs, 'rt");
+      break;
+    case MOVF:
+      if (instr->Bit(16)) {
+        Format(instr, "movt.'t    'fd, 'fs, 'Cc");
+      } else {
+        Format(instr, "movf.'t    'fd, 'fs, 'Cc");
+      }
+      break;
     case MIN:
       Format(instr, "min.'t    'fd, 'fs, 'ft");
       break;
     case MAX:
       Format(instr, "max.'t    'fd, 'fs, 'ft");
       break;
     case MINA:
       Format(instr, "mina.'t   'fd, 'fs, 'ft");
       break;
     case MAXA:
@@ skipping 16 matching lines @@
       break;
     case MOV_D:
       Format(instr, "mov.'t   'fd, 'fs");
       break;
     case NEG_D:
       Format(instr, "neg.'t   'fd, 'fs");
       break;
     case SQRT_D:
       Format(instr, "sqrt.'t  'fd, 'fs");
       break;
+    case RECIP_D:
+      Format(instr, "recip.'t  'fd, 'fs");
+      break;
+    case RSQRT_D:
+      Format(instr, "rsqrt.'t  'fd, 'fs");
+      break;
     case CVT_W_D:
       Format(instr, "cvt.w.'t 'fd, 'fs");
       break;
     case CVT_L_D:
       Format(instr, "cvt.l.'t 'fd, 'fs");
       break;
     case TRUNC_W_D:
       Format(instr, "trunc.w.'t 'fd, 'fs");
       break;
     case TRUNC_L_D:
@@ skipping 966 matching lines @@
         prev_pc, *reinterpret_cast<int32_t*>(prev_pc), buffer.start());
   }
 }
 
 
 #undef UNSUPPORTED
 
 }  // namespace disasm
 
 #endif  // V8_TARGET_ARCH_MIPS64