ARM: Improved double to integer truncation....

src/arm/assembler-arm.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 971 matching lines @@
                     const Condition cond = al);
   void vcvt_f64_f32(const DwVfpRegister dst,
                     const SwVfpRegister src,
                     VFPConversionMode mode = kDefaultRoundToZero,
                     const Condition cond = al);
   void vcvt_f32_f64(const SwVfpRegister dst,
                     const DwVfpRegister src,
                     VFPConversionMode mode = kDefaultRoundToZero,
                     const Condition cond = al);
 
+  void vneg(const DwVfpRegister dst,
+            const DwVfpRegister src,
+            const Condition cond = al);

[Karl Klose, 2011/03/09 10:37:51]

The vneg instruction should also be supported by the disassembler (see
Decoder::DecodeTypeVFP in disasm-arm.cc). Currently, the disassembler will only
print "unknown". 

Please also add a test in test-disasm-arm.cc.

[Alexandre, 2011/03/15 08:45:39]

Done.

   void vabs(const DwVfpRegister dst,
             const DwVfpRegister src,
             const Condition cond = al);
   void vadd(const DwVfpRegister dst,
             const DwVfpRegister src1,
             const DwVfpRegister src2,
             const Condition cond = al);
   void vsub(const DwVfpRegister dst,
             const DwVfpRegister src1,
             const DwVfpRegister src2,
@@ skipping 283 matching lines @@
  public:
   explicit EnsureSpace(Assembler* assembler) {
     assembler->CheckBuffer();
   }
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_ASSEMBLER_ARM_H_