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author | Matti Picus <matti.picus@gmail.com> | 2020-10-14 12:55:03 +0300 |
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committer | GitHub <noreply@github.com> | 2020-10-14 12:55:03 +0300 |
commit | eb2c75189c9814dd463e0019419360b860d59ec1 (patch) | |
tree | a2e1e3cf051bcbf0ee9979833eecde51478a3555 | |
parent | 8eb6424128b4be16bab4115f9d172b32c397972d (diff) | |
parent | 3c118aab05ca06f30b2eec8057e2e46db98ad745 (diff) | |
download | numpy-eb2c75189c9814dd463e0019419360b860d59ec1.tar.gz |
Merge pull request #17548 from embray/issue-14787
BUG: Workaround for #14787 on affected platforms
-rw-r--r-- | numpy/core/setup.py | 12 | ||||
-rw-r--r-- | numpy/distutils/command/autodist.py | 33 | ||||
-rw-r--r-- | numpy/distutils/command/config.py | 14 |
3 files changed, 49 insertions, 10 deletions
diff --git a/numpy/core/setup.py b/numpy/core/setup.py index 92dcacede..b3e17baed 100644 --- a/numpy/core/setup.py +++ b/numpy/core/setup.py @@ -102,7 +102,7 @@ def win32_checks(deflist): if a == "Intel" or a == "AMD64": deflist.append('FORCE_NO_LONG_DOUBLE_FORMATTING') -def check_math_capabilities(config, moredefs, mathlibs): +def check_math_capabilities(config, ext, moredefs, mathlibs): def check_func(func_name): return config.check_func(func_name, libraries=mathlibs, decl=True, call=True) @@ -167,6 +167,14 @@ def check_math_capabilities(config, moredefs, mathlibs): for dec, fn in OPTIONAL_FUNCTION_ATTRIBUTES: if config.check_gcc_function_attribute(dec, fn): moredefs.append((fname2def(fn), 1)) + if fn == 'attribute_target_avx512f': + # GH-14787: Work around GCC<8.4 bug when compiling with AVX512 + # support on Windows-based platforms + if (sys.platform in ('win32', 'cygwin') and + config.check_compiler_gcc() and + not config.check_gcc_version_at_least(8, 4)): + ext.extra_compile_args.extend( + ['-ffixed-xmm%s' % n for n in range(16, 32)]) for dec, fn, code, header in OPTIONAL_FUNCTION_ATTRIBUTES_WITH_INTRINSICS: if config.check_gcc_function_attribute_with_intrinsics(dec, fn, code, @@ -434,7 +442,7 @@ def configuration(parent_package='',top_path=None): mathlibs = check_mathlib(config_cmd) moredefs.append(('MATHLIB', ','.join(mathlibs))) - check_math_capabilities(config_cmd, moredefs, mathlibs) + check_math_capabilities(config_cmd, ext, moredefs, mathlibs) moredefs.extend(cocache.check_ieee_macros(config_cmd)[0]) moredefs.extend(cocache.check_complex(config_cmd, mathlibs)[0]) diff --git a/numpy/distutils/command/autodist.py b/numpy/distutils/command/autodist.py index 8f6436004..b72d0cab1 100644 --- a/numpy/distutils/command/autodist.py +++ b/numpy/distutils/command/autodist.py @@ -46,15 +46,16 @@ def check_restrict(cmd): return '' -def check_compiler_gcc4(cmd): - """Return True if the C compiler is GCC 4.x.""" +def check_compiler_gcc(cmd): + """Check if the compiler is GCC.""" + cmd._check_compiler() body = textwrap.dedent(""" int main() { - #if (! defined __GNUC__) || (__GNUC__ < 4) - #error gcc >= 4 required + #if (! defined __GNUC__) + #error gcc required #endif return 0; } @@ -62,6 +63,30 @@ def check_compiler_gcc4(cmd): return cmd.try_compile(body, None, None) +def check_gcc_version_at_least(cmd, major, minor=0, patchlevel=0): + """ + Check that the gcc version is at least the specified version.""" + + cmd._check_compiler() + version = '.'.join([str(major), str(minor), str(patchlevel)]) + body = textwrap.dedent(""" + int + main() + { + #if (! defined __GNUC__) || (__GNUC__ < %(major)d) || \\ + (__GNUC_MINOR__ < %(minor)d) || \\ + (__GNUC_PATCHLEVEL__ < %(patchlevel)d) + #error gcc >= %(version)s required + #endif + return 0; + } + """) + kw = {'version': version, 'major': major, 'minor': minor, + 'patchlevel': patchlevel} + + return cmd.try_compile(body % kw, None, None) + + def check_gcc_function_attribute(cmd, attribute, name): """Return True if the given function attribute is supported.""" cmd._check_compiler() diff --git a/numpy/distutils/command/config.py b/numpy/distutils/command/config.py index e54a54449..60881f4a3 100644 --- a/numpy/distutils/command/config.py +++ b/numpy/distutils/command/config.py @@ -20,9 +20,10 @@ from numpy.distutils.mingw32ccompiler import generate_manifest from numpy.distutils.command.autodist import (check_gcc_function_attribute, check_gcc_function_attribute_with_intrinsics, check_gcc_variable_attribute, + check_gcc_version_at_least, check_inline, check_restrict, - check_compiler_gcc4) + check_compiler_gcc) LANG_EXT['f77'] = '.f' LANG_EXT['f90'] = '.f90' @@ -416,9 +417,9 @@ class config(old_config): otherwise.""" return check_restrict(self) - def check_compiler_gcc4(self): - """Return True if the C compiler is gcc >= 4.""" - return check_compiler_gcc4(self) + def check_compiler_gcc(self): + """Return True if the C compiler is gcc""" + return check_compiler_gcc(self) def check_gcc_function_attribute(self, attribute, name): return check_gcc_function_attribute(self, attribute, name) @@ -431,6 +432,11 @@ class config(old_config): def check_gcc_variable_attribute(self, attribute): return check_gcc_variable_attribute(self, attribute) + def check_gcc_version_at_least(self, major, minor=0, patchlevel=0): + """Return True if the GCC version is greater than or equal to the + specified version.""" + return check_gcc_version_at_least(self, major, minor, patchlevel) + def get_output(self, body, headers=None, include_dirs=None, libraries=None, library_dirs=None, lang="c", use_tee=None): |