MIPS[64]: Support for some SIMD operations

src/compiler/mips/code-generator-mips.cc

 // Copyright 2014 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.
 
 #include "src/compiler/code-generator.h"
 #include "src/compilation-info.h"
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/osr.h"
@@ skipping 1584 matching lines @@
     case kAtomicExchangeInt16:
     case kAtomicExchangeUint16:
     case kAtomicExchangeWord32:
     case kAtomicCompareExchangeInt8:
     case kAtomicCompareExchangeUint8:
     case kAtomicCompareExchangeInt16:
     case kAtomicCompareExchangeUint16:
     case kAtomicCompareExchangeWord32:
       UNREACHABLE();
       break;
+    case kMipsS128Zero: {
+      CpuFeatureScope msa_scope(masm(), MIPS_SIMD);
+      __ xor_v(i.OutputSimd128Register(), i.OutputSimd128Register(),
+               i.OutputSimd128Register());
+      break;
+    }
+    case kMipsI32x4Splat: {
+      CpuFeatureScope msa_scope(masm(), MIPS_SIMD);
+      __ fill_w(i.OutputSimd128Register(), i.InputRegister(0));
+      break;
+    }
+    case kMipsI32x4ExtractLane: {
+      CpuFeatureScope msa_scope(masm(), MIPS_SIMD);
+      __ copy_s_w(i.OutputRegister(), i.InputSimd128Register(0),
+                  i.InputInt8(1));
+      break;
+    }
+    case kMipsI32x4ReplaceLane: {
+      CpuFeatureScope msa_scope(masm(), MIPS_SIMD);
+      Simd128Register src = i.InputSimd128Register(0);
+      Simd128Register dst = i.OutputSimd128Register();
+      if (!src.is(dst)) {
+        __ move_v(dst, src);
+      }
+      __ insert_w(dst, i.InputInt8(1), i.InputRegister(2));
+      break;
+    }
+    case kMipsI32x4Add: {
+      CpuFeatureScope msa_scope(masm(), MIPS_SIMD);
+      __ addv_w(i.OutputSimd128Register(), i.InputSimd128Register(0),
+                i.InputSimd128Register(1));
+      break;
+    }
+    case kMipsI32x4Sub: {
+      CpuFeatureScope msa_scope(masm(), MIPS_SIMD);
+      __ subv_w(i.OutputSimd128Register(), i.InputSimd128Register(0),
+                i.InputSimd128Register(1));
+      break;
+    }
   }
   return kSuccess;
 }  // NOLINT(readability/fn_size)
 
 
 #define UNSUPPORTED_COND(opcode, condition)                                  \
   OFStream out(stdout);                                                      \
   out << "Unsupported " << #opcode << " condition: \"" << condition << "\""; \
   UNIMPLEMENTED();
 
@@ skipping 776 matching lines @@
       padding_size -= v8::internal::Assembler::kInstrSize;
     }
   }
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8