Add several SIMD opcodes to IA32

src/compiler/ia32/code-generator-ia32.cc

 // Copyright 2013 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"
@@ skipping 1883 matching lines @@
       Operand operand = i.MemoryOperand(&index);
       __ xchg_w(i.InputRegister(index), operand);
       break;
     }
     case kIA32Xchgl: {
       size_t index = 0;
       Operand operand = i.MemoryOperand(&index);
       __ xchg(i.InputRegister(index), operand);
       break;
     }
+    case kIA32Int32x4Create: {
+      XMMRegister dst = i.OutputSimd128Register();
+      __ movd(dst, i.InputOperand(0));
+      __ shufps(dst, dst, 0x0);
+      break;
+    }
+    case kIA32Int32x4ExtractLane: {
+      CpuFeatureScope sse_scope(masm(), SSE4_1);
+      __ Pextrd(i.OutputRegister(), i.InputSimd128Register(0), i.InputInt8(1));
+      break;
+    }
+    case kIA32Int32x4ReplaceLane: {
+      CpuFeatureScope sse_scope(masm(), SSE4_1);
+      __ Pinsrd(i.OutputSimd128Register(), i.InputOperand(2), i.InputInt8(1));
+      break;
+    }
+    case kIA32Int32x4Add: {
+      __ paddd(i.OutputSimd128Register(), i.InputSimd128Register(1));

[bbudge, 2017/02/15 16:07:31]

If it's planned to use AVX, then we should make these macro instructions and use
the macroassembler to switch between implementations.

[Jing, 2017/02/16 05:11:17]

To add AVX version ,we do have some code needed to add/change. For example, all
other movds should also be changed to Movds.
I plan to supplement the SSE instructions as well as their AVX version in next
patch. Is it OK to change the instructions to macro instructions at that time?

[bbudge, 2017/02/17 00:44:39]

OK.

+      break;
+    }
+    case kIA32Int32x4Sub: {
+      __ psubd(i.OutputSimd128Register(), i.InputSimd128Register(1));
+      break;
+    }
     case kCheckedLoadInt8:
       ASSEMBLE_CHECKED_LOAD_INTEGER(movsx_b);
       break;
     case kCheckedLoadUint8:
       ASSEMBLE_CHECKED_LOAD_INTEGER(movzx_b);
       break;
     case kCheckedLoadInt16:
       ASSEMBLE_CHECKED_LOAD_INTEGER(movsx_w);
       break;
     case kCheckedLoadUint16:
@@ skipping 747 matching lines @@
     int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc;
     __ Nop(padding_size);
   }
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8