Version 2.2.13.
Implement Object.getOwnPropertyDescriptor for element indices and strings (issue 599).
Fix bug for windows 64 bit C calls from generated code.
Add new scons flag unalignedaccesses for arm builds.
Performance improvements on all platforms.
git-svn-id: http://v8.googlecode.com/svn/trunk@4756 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/SConstruct b/SConstruct
index cf6b57d..3321483 100644
--- a/SConstruct
+++ b/SConstruct
@@ -204,10 +204,16 @@
'LINKFLAGS': ['-m32']
},
'arch:arm': {
- 'CPPDEFINES': ['V8_TARGET_ARCH_ARM']
+ 'CPPDEFINES': ['V8_TARGET_ARCH_ARM'],
+ 'unalignedaccesses:on' : {
+ 'CPPDEFINES' : ['CAN_USE_UNALIGNED_ACCESSES=1']
+ },
+ 'unalignedaccesses:off' : {
+ 'CPPDEFINES' : ['CAN_USE_UNALIGNED_ACCESSES=0']
+ }
},
'simulator:arm': {
- 'CCFLAGS': ['-m32', '-DCAN_USE_UNALIGNED_ACCESSES=1'],
+ 'CCFLAGS': ['-m32'],
'LINKFLAGS': ['-m32']
},
'arch:mips': {
@@ -734,6 +740,11 @@
'default': 'none',
'help': 'build with simulator'
},
+ 'unalignedaccesses': {
+ 'values': ['default', 'on', 'off'],
+ 'default': 'default',
+ 'help': 'set whether the ARM target supports unaligned accesses'
+ },
'disassembler': {
'values': ['on', 'off'],
'default': 'off',
@@ -852,6 +863,10 @@
Abort("Shared Object soname not applicable for static library.")
if env['os'] != 'win32' and env['pgo'] != 'off':
Abort("Profile guided optimization only supported on Windows.")
+ if not (env['arch'] == 'arm' or env['simulator'] == 'arm') and ('unalignedaccesses' in ARGUMENTS):
+ print env['arch']
+ print env['simulator']
+ Abort("Option unalignedaccesses only supported for the ARM architecture.")
for (name, option) in SIMPLE_OPTIONS.iteritems():
if (not option.get('default')) and (name not in ARGUMENTS):
message = ("A value for option %s must be specified (%s)." %