Experimental implementation: Exposing SIMD instructions into JavaScript

src/ia32/macro-assembler-ia32.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
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   void UndoAllocationInNewSpace(Register object);
 
   // Allocate a heap number in new space with undefined value. The
   // register scratch2 can be passed as no_reg; the others must be
   // valid registers. Returns tagged pointer in result register, or
   // jumps to gc_required if new space is full.
   void AllocateHeapNumber(Register result,
                           Register scratch1,
                           Register scratch2,
                           Label* gc_required);
+  void AllocateFloat32x4(Register result,
+                         Register scratch,
+                         Label* gc_required);
+  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,
@@ skipping 230 matching lines @@
   // Verify restrictions about code generated in stubs.
   void set_generating_stub(bool value) { generating_stub_ = value; }
   bool generating_stub() { return generating_stub_; }
   void set_allow_stub_calls(bool value) { allow_stub_calls_ = value; }
   bool allow_stub_calls() { return allow_stub_calls_; }
   void set_has_frame(bool value) { has_frame_ = value; }
   bool has_frame() { return has_frame_; }
   inline bool AllowThisStubCall(CodeStub* stub);
 
   // ---------------------------------------------------------------------------
+  // SIMD macros.
+  void absps(XMMRegister dst);
+  void negateps(XMMRegister dst);
+  void notps(XMMRegister dst);
+  void pnegd(XMMRegister dst);
+
+  // ---------------------------------------------------------------------------
   // String utilities.
 
   // 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 204 matching lines @@
   }                                                                       \
   masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_IA32_MACRO_ASSEMBLER_IA32_H_