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# Copyright 2017 The Meson development team
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from .. import mesonlib, compilers, mlog
from .. import build
from . import ExtensionModule
from ..interpreterbase import FeatureNew
class SimdModule(ExtensionModule):
@FeatureNew('SIMD module', '0.42.0')
def __init__(self, interpreter):
super().__init__(interpreter)
# FIXME add Altivec and AVX512.
self.isets = ('mmx',
'sse',
'sse2',
'sse3',
'ssse3',
'sse41',
'sse42',
'avx',
'avx2',
'neon',
)
self.methods.update({
'check': self.check,
})
def check(self, state, args, kwargs):
result = []
if len(args) != 1:
raise mesonlib.MesonException('Check requires one argument, a name prefix for checks.')
prefix = args[0]
if not isinstance(prefix, str):
raise mesonlib.MesonException('Argument must be a string.')
if 'compiler' not in kwargs:
raise mesonlib.MesonException('Must specify compiler keyword')
if 'sources' in kwargs:
raise mesonlib.MesonException('SIMD module does not support the "sources" keyword')
basic_kwargs = {}
for key, value in kwargs.items():
if key not in self.isets and key != 'compiler':
basic_kwargs[key] = value
compiler = kwargs['compiler']
if not isinstance(compiler, compilers.compilers.Compiler):
raise mesonlib.MesonException('Compiler argument must be a compiler object.')
conf = build.ConfigurationData()
for iset in self.isets:
if iset not in kwargs:
continue
iset_fname = kwargs[iset] # Might also be an array or Files. static_library will validate.
args = compiler.get_instruction_set_args(iset)
if args is None:
mlog.log('Compiler supports %s:' % iset, mlog.red('NO'))
continue
if args:
if not compiler.has_multi_arguments(args, state.environment)[0]:
mlog.log('Compiler supports %s:' % iset, mlog.red('NO'))
continue
mlog.log('Compiler supports %s:' % iset, mlog.green('YES'))
conf.values['HAVE_' + iset.upper()] = ('1', 'Compiler supports %s.' % iset)
libname = prefix + '_' + iset
lib_kwargs = {'sources': iset_fname,
}
lib_kwargs.update(basic_kwargs)
langarg_key = compiler.get_language() + '_args'
old_lang_args = mesonlib.extract_as_list(lib_kwargs, langarg_key)
all_lang_args = old_lang_args + args
lib_kwargs[langarg_key] = all_lang_args
result.append(self.interpreter.func_static_lib(None, [libname], lib_kwargs))
return [result, conf]
def initialize(*args, **kwargs):
return SimdModule(*args, **kwargs)
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