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| author | Daniel Dunbar <daniel@zuster.org> | 2011-03-17 00:07:34 +0000 |
|---|---|---|
| committer | Daniel Dunbar <daniel@zuster.org> | 2011-03-17 00:07:34 +0000 |
| commit | 7187fac0f19f75c62f575c9f15f0ed68b7d97810 (patch) | |
| tree | 0c6614906f19f881ecd529c3f6bb4d69aab1e8a0 | |
| parent | 04a9eb3f0dfcc42b317057e236f73e9b196a2ff8 (diff) | |
Driver/ARM: Match GCC behavior in that -msoft-float disables NEON, despite this
not being consistent at all with other parts of the GCC implementation.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127777 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Driver/Tools.cpp | 7 | ||||
| -rw-r--r-- | test/Driver/clang-translation.c | 2 |
2 files changed, 9 insertions, 0 deletions
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp index 271f02d894..761e5f8b67 100644 --- a/lib/Driver/Tools.cpp +++ b/lib/Driver/Tools.cpp @@ -583,6 +583,13 @@ void Clang::AddARMTargetArgs(const ArgList &Args, } else D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args); } + + // Setting -msoft-float effectively disables NEON because of the GCC + // implementation, although the same isn't true of VFP or VFP3. + if (FloatABI == "soft") { + CmdArgs.push_back("-target-feature"); + CmdArgs.push_back("-neon"); + } } void Clang::AddMIPSTargetArgs(const ArgList &Args, diff --git a/test/Driver/clang-translation.c b/test/Driver/clang-translation.c index 2464f03b7a..b2b358f0eb 100644 --- a/test/Driver/clang-translation.c +++ b/test/Driver/clang-translation.c @@ -31,6 +31,8 @@ // ARMV7_SOFTFLOAT: "-cc1" // ARMV7_SOFTFLOAT: "-msoft-float" // ARMV7_SOFTFLOAT: "-mfloat-abi" "soft" +// ARMV7_SOFTFLOAT: "-target-feature" +// ARMV7_SOFTFLOAT: "-neon" // ARMV7_SOFTFLOAT: "-x" "c" // RUN: %clang -ccc-host-triple x86_64-apple-darwin10 -### -S %s 2> %t.log \ |