8000 BLD: enable SSE2 for 32-bit msvc 9 and 10 compilers by cgohlke · Pull Request #6440 · numpy/numpy · GitHub
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BLD: enable SSE2 for 32-bit msvc 9 and 10 compilers #6440

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BLD: enable SSE2 for 32-bit msvc 9 and 10 compilers #6440

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5 changes: 5 additions & 0 deletions numpy/distutils/msvccompiler.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,8 @@
import distutils.msvccompiler
from distutils.msvccompiler import *

from .system_info import platform_bits


class MSVCCompiler(distutils.msvccompiler.MSVCCompiler):
def __init__(self, verbose=0, dry_run=0, force=0):
Expand All @@ -15,3 +17,6 @@ def initialize(self, plat_name=None):
os.environ['lib'] = environ_lib + os.environ['lib']
if environ_include is not None:
os.environ['include'] = environ_include + os.environ['include']
if platform_bits == 32:
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A note on why SSE2 is reguired would be helpful. Is there anyway to make this specific to compiler versions <= 1500?

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msvc will use the sse2 code anyway, this just makes it consistent over all of numpy

self.compile_options += ['/arch:SSE2']
self.compile_options_debug += ['/arch:SSE2']
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