[turbofan] Unify Math.floor / Math.ceil optimization.

src/ia32/assembler-ia32.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 262 matching lines @@
     case greater_equal:
       return less_equal;
     case less_equal:
       return greater_equal;
     default:
       return cc;
   }
 }
 
 
+enum RoundingMode {
+  kRoundToNearest = 0x0,
+  kRoundDown = 0x1,
+  kRoundUp = 0x2,
+  kRoundToZero = 0x3
+};
+
+
 // -----------------------------------------------------------------------------
 // Machine instruction Immediates
 
 class Immediate BASE_EMBEDDED {
  public:
   inline explicit Immediate(int x);
   inline explicit Immediate(const ExternalReference& ext);
   inline explicit Immediate(Handle<Object> handle);
   inline explicit Immediate(Smi* value);
   inline explicit Immediate(Address addr);
@@ skipping 703 matching lines @@
   void xorpd(XMMRegister dst, XMMRegister src);
   void sqrtsd(XMMRegister dst, XMMRegister src) { sqrtsd(dst, Operand(src)); }
   void sqrtsd(XMMRegister dst, const Operand& src);
 
   void andpd(XMMRegister dst, XMMRegister src);
   void orpd(XMMRegister dst, XMMRegister src);
 
   void ucomisd(XMMRegister dst, XMMRegister src) { ucomisd(dst, Operand(src)); }
   void ucomisd(XMMRegister dst, const Operand& src);
 
-  enum RoundingMode {
-    kRoundToNearest = 0x0,
-    kRoundDown      = 0x1,
-    kRoundUp        = 0x2,
-    kRoundToZero    = 0x3
-  };
-
   void roundsd(XMMRegister dst, XMMRegister src, RoundingMode mode);
 
   void movmskpd(Register dst, XMMRegister src);
   void movmskps(Register dst, XMMRegister src);
 
   void cmpltsd(XMMRegister dst, XMMRegister src);
   void pcmpeqd(XMMRegister dst, XMMRegister src);
 
   void punpckldq(XMMRegister dst, XMMRegister src);
   void punpckhdq(XMMRegister dst, XMMRegister src);
@@ skipping 393 matching lines @@
  private:
   Assembler* assembler_;
 #ifdef DEBUG
   int space_before_;
 #endif
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_IA32_ASSEMBLER_IA32_H_