ARM: Always use the overflow flag to check for NaNs participating in a floati...

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 280 matching lines @@
 const DwVfpRegister d8  = {  8 };
 const DwVfpRegister d9  = {  9 };
 const DwVfpRegister d10 = { 10 };
 const DwVfpRegister d11 = { 11 };
 const DwVfpRegister d12 = { 12 };
 const DwVfpRegister d13 = { 13 };
 const DwVfpRegister d14 = { 14 };
 const DwVfpRegister d15 = { 15 };
 
 // VFP FPSCR constants.
+static const uint32_t kVFPNConditionFlagBit = 1 << 31;
+static const uint32_t kVFPZConditionFlagBit = 1 << 30;
+static const uint32_t kVFPCConditionFlagBit = 1 << 29;
+static const uint32_t kVFPVConditionFlagBit = 1 << 28;
+
+static const uint32_t kVFPFlushToZeroMask = 1 << 24;
+
+static const uint32_t kVFPRoundingModeMask = 3 << 22;
+static const uint32_t kVFPRoundToMinusInfinityBits = 2 << 22;
+
 static const uint32_t kVFPExceptionMask = 0xf;
-static const uint32_t kVFPRoundingModeMask = 3 << 22;
-static const uint32_t kVFPFlushToZeroMask = 1 << 24;
-static const uint32_t kVFPRoundToMinusInfinityBits = 2 << 22;
-static const uint32_t kVFPZConditionFlagBit = 1 << 30;
-static const uint32_t kVFPInvalidExceptionBit = 1;
 
 // Coprocessor register
 struct CRegister {
   bool is_valid() const { return 0 <= code_ && code_ < 16; }
   bool is(CRegister creg) const { return code_ == creg.code_; }
   int code() const {
     ASSERT(is_valid());
     return code_;
   }
   int bit() const {
@@ skipping 1095 matching lines @@
  public:
   explicit EnsureSpace(Assembler* assembler) {
     assembler->CheckBuffer();
   }
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_ASSEMBLER_ARM_H_