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| author | Ali Saidi <Ali.Saidi@arm.com> | 2010-08-23 11:18:42 -0500 |
|---|---|---|
| committer | Ali Saidi <Ali.Saidi@arm.com> | 2010-08-23 11:18:42 -0500 |
| commit | 6f24da359f3918671aef691990c205f9dc5b2845 (patch) | |
| tree | c899a32d97d8b0a314e301c0c6d58a92ff4c0896 | |
| parent | 03584ad439ce043f2ed7dde51f49e5dbb5ea8bce (diff) | |
| download | gem5-6f24da359f3918671aef691990c205f9dc5b2845.tar.xz | |
BUILD: GCC 4.4.1/2 have a bug in their auto-vectorizer that we trip on
| -rw-r--r-- | SConstruct | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/SConstruct b/SConstruct index d210fc5b9..850c122ca 100644 --- a/SConstruct +++ b/SConstruct @@ -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']: |