Experimental implementation: Exposing SIMD instructions into JavaScript

src/x64/macro-assembler-x64.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 729 matching lines @@
   // masquerading as smis so that the garbage collector skips visiting them.
   void PushInt64AsTwoSmis(Register src, Register scratch = kScratchRegister);
   // Reconstruct a 64-bit integer from two 32-bit integers masquerading as
   // smis on the top of stack.
   void PopInt64AsTwoSmis(Register dst, Register scratch = kScratchRegister);
 
   void Test(const Operand& dst, Smi* source);
 
 
   // ---------------------------------------------------------------------------
+  // SIMD macros.
+  void absps(XMMRegister dst);
+  void negateps(XMMRegister dst);
+  void notps(XMMRegister dst);
+  void pnegd(XMMRegister dst);
+
+
+  // ---------------------------------------------------------------------------
   // String macros.
 
   // Generate code to do a lookup in the number string cache. If the number in
   // the register object is found in the cache the generated code falls through
   // with the result in the result register. The object and the result register
   // can be the same. If the number is not found in the cache the code jumps to
   // the label not_found with only the content of register object unchanged.
   void LookupNumberStringCache(Register object,
                                Register result,
                                Register scratch1,
@@ skipping 373 matching lines @@
   // un-done.
   void UndoAllocationInNewSpace(Register object);
 
   // Allocate a heap number in new space with undefined value. Returns
   // tagged pointer in result register, or jumps to gc_required if new
   // space is full.
   void AllocateHeapNumber(Register result,
                           Register scratch,
                           Label* gc_required);
 
+  // Allocate a float32x4 object in new space with undefined value. Returns
+  // tagged pointer in result register, or jumps to gc_required if new
+  // space is full.
+  void AllocateFloat32x4(Register result,
+                         Register scratch,
+                         Label* gc_required);
+
+  // Allocate a int32x4 object in new space with undefined value. Returns
+  // tagged pointer in result register, or jumps to gc_required if new
+  // space is full.
+  void AllocateInt32x4(Register result,
+                         Register scratch,
+                         Label* gc_required);
+
   // Allocate a sequential string. All the header fields of the string object
   // are initialized.
   void AllocateTwoByteString(Register result,
                              Register length,
                              Register scratch1,
                              Register scratch2,
                              Register scratch3,
                              Label* gc_required);
   void AllocateAsciiString(Register result,
                            Register length,
@@ skipping 459 matching lines @@
     masm->popfq();                                                           \
   }                                                                          \
   masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 } }  // namespace v8::internal
 
 #endif  // V8_X64_MACRO_ASSEMBLER_X64_H_