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BUILD: GCC 4.4.1/2 have a bug in their auto-vectorizer that we trip on

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This commit is contained in:
Ali Saidi 2010-08-23 11:18:42 -05:00
parent 03584ad439
commit 6f24da359f
1 changed files with 8 additions and 0 deletions
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8
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@ -361,6 +361,14 @@ if main['GCC']:
main.Append(CCFLAGS='-fno-strict-aliasing')
main.Append(CCFLAGS=['-Wall', '-Wno-sign-compare', '-Wundef'])
main.Append(CXXFLAGS='-Wno-deprecated')
# Read the GCC version to check for versions with bugs
# Note CCVERSION doesn't work here because it is run with the CC
# before we override it from the command line
gcc_version = readCommand([main['CXX'], '-dumpversion'], exception=False)
if not compareVersions(gcc_version, '4.4.1') or \
not compareVersions(gcc_version, '4.4.2'):
print 'Info: Tree vectorizer in GCC 4.4.1 & 4.4.2 is buggy, disabling.'
main.Append(CCFLAGS='-fno-tree-vectorize')
elif main['ICC']:
pass #Fix me... add warning flags once we clean up icc warnings
elif main['SUNCC']: