diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/TargetLibraryInfo.cpp | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/lib/Target/TargetLibraryInfo.cpp b/lib/Target/TargetLibraryInfo.cpp index b208bfd372..93c008af35 100644 --- a/lib/Target/TargetLibraryInfo.cpp +++ b/lib/Target/TargetLibraryInfo.cpp @@ -574,14 +574,11 @@ static void initialize(TargetLibraryInfo &TLI, const Triple &T, TLI.setUnavailable(LibFunc::llabs); } - // exp10, exp10f, exp10l is available on at least Linux (GLIBC) - // exp10 and exp10f are not available on OS X until 10.9 and iOS until 7.0 - // and their names are __exp10 and __exp10f. exp10l is not available on - // OS X or iOS. switch (T.getOS()) { - case Triple::Linux: - break; case Triple::MacOSX: + // exp10 and exp10f are not available on OS X until 10.9 and iOS until 7.0 + // and their names are __exp10 and __exp10f. exp10l is not available on + // OS X or iOS. TLI.setUnavailable(LibFunc::exp10l); if (T.isMacOSXVersionLT(10, 9)) { TLI.setUnavailable(LibFunc::exp10); @@ -601,6 +598,13 @@ static void initialize(TargetLibraryInfo &TLI, const Triple &T, TLI.setAvailableWithName(LibFunc::exp10f, "__exp10f"); } break; + case Triple::Linux: + // exp10, exp10f, exp10l is available on Linux (GLIBC) but are extremely + // buggy prior to glibc version 2.18. Until this version is widely deployed + // or we have a reasonable detection strategy, we cannot use exp10 reliably + // on Linux. + // + // Fall through to disable all of them. default: TLI.setUnavailable(LibFunc::exp10); TLI.setUnavailable(LibFunc::exp10f); |