def detect_model_from_host_platform():
mach = None
try:
import platform
mach = platform.machine()
except ImportError:
pass
if not mach:
platform = sys.platform.lower()
if platform.startswith('win'): # assume an Intel Windows
return MODEL_X86
# assume we have 'uname'
mach = os.popen('uname -m', 'r').read().strip()
if not mach:
raise ProcessorAutodetectError, "cannot run 'uname -m'"
#
result ={'i386': MODEL_X86,
'i486': MODEL_X86,
'i586': MODEL_X86,
'i686': MODEL_X86,
'i86pc': MODEL_X86, # Solaris/Intel
'x86': MODEL_X86, # Apple
'Power Macintosh': MODEL_PPC_64,
'ppc64': MODEL_PPC_64,
'ppc64le': MODEL_PPC_64,
'x86_64': MODEL_X86,
'amd64': MODEL_X86, # freebsd
'AMD64': MODEL_X86, # win64
'armv7l': MODEL_ARM,
'armv6l': MODEL_ARM,
'arm': MODEL_ARM, # freebsd
's390x': MODEL_S390_64
}.get(mach)
if result is None:
raise ProcessorAutodetectError, "unknown machine name %s" % mach
#
if result.startswith('x86'):
from rpython.jit.backend.x86 import detect_feature as feature
if sys.maxint == 2**63-1:
result = MODEL_X86_64
# has sse 2 at least
if feature.detect_sse4_1():
result = MODEL_X86_64_SSE4
else:
assert sys.maxint == 2**31-1
if feature.detect_sse2():
result = MODEL_X86
else:
result = MODEL_X86_NO_SSE2
if feature.detect_x32_mode():
raise ProcessorAutodetectError(
'JITting in x32 mode is not implemented')
#
if result.startswith('arm'):
from rpython.jit.backend.arm.detect import detect_float
if not detect_float():
raise ProcessorAutodetectError(
'the JIT-compiler requires a vfp unit')
#
return result
def detect_model_from_host_platform():
mach = None
try:
import platform
mach = platform.machine()
except ImportError:
pass
if not mach:
platform = sys.platform.lower()
if platform.startswith('win'): # assume an Intel Windows
return MODEL_X86
# assume we have 'uname'
mach = os.popen('uname -m', 'r').read().strip()
if not mach:
raise ProcessorAutodetectError, "cannot run 'uname -m'"
#
result = {
'i386': MODEL_X86,
'i486': MODEL_X86,
'i586': MODEL_X86,
'i686': MODEL_X86,
'i86pc': MODEL_X86, # Solaris/Intel
'x86': MODEL_X86, # Apple
'Power Macintosh': MODEL_PPC_64,
'ppc64': MODEL_PPC_64,
'ppc64le': MODEL_PPC_64,
'x86_64': MODEL_X86,
'amd64': MODEL_X86, # freebsd
'AMD64': MODEL_X86, # win64
'armv8l': MODEL_ARM, # 32-bit ARMv8
'armv7l': MODEL_ARM,
'armv6l': MODEL_ARM,
'arm': MODEL_ARM, # freebsd
's390x': MODEL_S390_64
}.get(mach)
if result is None:
raise ProcessorAutodetectError, "unknown machine name %s" % mach
#
if result.startswith('x86'):
from rpython.jit.backend.x86 import detect_feature as feature
if sys.maxint == 2**63 - 1:
result = MODEL_X86_64
# has sse 2 at least
if feature.detect_sse4_1():
result = MODEL_X86_64_SSE4
else:
assert sys.maxint == 2**31 - 1
if feature.detect_sse2():
result = MODEL_X86
else:
result = MODEL_X86_NO_SSE2
if feature.detect_x32_mode():
raise ProcessorAutodetectError(
'JITting in x32 mode is not implemented')
#
if result.startswith('arm'):
from rpython.jit.backend.arm.detect import detect_float
if not detect_float():
raise ProcessorAutodetectError(
'the JIT-compiler requires a vfp unit')
#
return result
def setup_once(self, asm):
if detect_feature.detect_sse4_1():
self.enable(16, accum=True)
asm.setup_once_vector()
self._setup = True
def setup_once(self, asm):
if detect_feature.detect_sse4_1():
self.enable(16, accum=True)
asm.setup_once_vector()
self._setup = True