ARM: update defaults for flags

Makefile

 # 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 138 matching lines @@
 else
 # Deprecated (use arm_version instead): armv7=false/true
 ifeq ($(armv7), false)
   GYPFLAGS += -Darm_version=6
 else
 ifeq ($(armv7), true)
   GYPFLAGS += -Darm_version=7
 endif
 endif
 endif
-# vfp2=off. Deprecated, use armfpu=
-# vfp3=off. Deprecated, use armfpu=
-ifeq ($(vfp3), off)
-  GYPFLAGS += -Darm_fpu=vfp
-endif
 # hardfp=on/off. Deprecated, use armfloatabi
 ifeq ($(hardfp),on)
   GYPFLAGS += -Darm_float_abi=hard
 else
 ifeq ($(hardfp),off)
   GYPFLAGS += -Darm_float_abi=softfp
 endif
 endif
-# armneon=on/off
-ifeq ($(armneon), on)
-  GYPFLAGS += -Darm_neon=1
-endif
 # fpu: armfpu=xxx
 # xxx: vfp, vfpv3-d16, vfpv3, neon.
 ifeq ($(armfpu),)
-ifneq ($(vfp3), off)
   GYPFLAGS += -Darm_fpu=default
-endif
 else
   GYPFLAGS += -Darm_fpu=$(armfpu)
 endif
 # float abi: armfloatabi=softfp/hard
 ifeq ($(armfloatabi),)
 ifeq ($(hardfp),)
   GYPFLAGS += -Darm_float_abi=default
 endif
 else
   GYPFLAGS += -Darm_float_abi=$(armfloatabi)
 endif
 # armthumb=on/off
 ifeq ($(armthumb), off)
   GYPFLAGS += -Darm_thumb=0
 else
 ifeq ($(armthumb), on)
   GYPFLAGS += -Darm_thumb=1
 endif
 endif
 # armtest=on
 # With this flag set, by default v8 will only use features implied
 # by the compiler (no probe). This is done by modifying the default
-# values of enable_armv7, enable_vfp2, enable_vfp3 and enable_32dregs.
+# values of enable_armv7, enable_vfp3, enable_32dregs and enable_neon.
 # Modifying these flags when launching v8 will enable the probing for
 # the specified values.
 # When using the simulator, this flag is implied.
 ifeq ($(armtest), on)
   GYPFLAGS += -Darm_test=on
 endif
 
 # ----------------- available targets: --------------------
 # - "dependencies": pulls in external dependencies (currently: GYP)
 # - "grokdump": rebuilds heap constants lists used by grokdump
@@ skipping 257 matching lines @@
         rm -f gtags.files GPATH GRTAGS GSYMS GTAGS
 
 # Dependencies.
 # Remember to keep these in sync with the DEPS file.
 dependencies:
         svn checkout --force http://gyp.googlecode.com/svn/trunk build/gyp \
             --revision 1831
         svn checkout --force \
             https://src.chromium.org/chrome/trunk/deps/third_party/icu46 \
             third_party/icu --revision 258359