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Work around an ICE in Clang 3.5 in the iOS toolchain with double NEON intrinsics.

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This commit is contained in:
Benoit Jacob 2015-03-03 09:35:22 -05:00
parent 9930e9583b
commit f839099512
1 changed files with 13 additions and 1 deletions
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14
Eigen/src/Core/arch/NEON/PacketMath.h
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@ -518,7 +518,19 @@ ptranspose(PacketBlock<Packet4i,4>& kernel) {
}
//---------- double ----------
#if EIGEN_ARCH_ARM64
// Clang 3.5 in the iOS toolchain has an ICE triggered by NEON intrisics for double.
// Confirmed at least with __apple_build_version__ = 6000054.
#ifdef __apple_build_version__
// Let's hope that by the time __apple_build_version__ hits the 601* range, the bug will be fixed.
// https://gist.github.com/yamaya/2924292 suggests that the 3 first digits are only updated with
// major toolchain updates.
#define EIGEN_APPLE_DOUBLE_NEON_BUG (__apple_build_version__ < 6010000)
#else
#define EIGEN_APPLE_DOUBLE_NEON_BUG 0
#endif
#if EIGEN_ARCH_ARM64 && !EIGEN_APPLE_DOUBLE_NEON_BUG
#if (EIGEN_COMP_GNUC_STRICT && defined(__ANDROID__)) || defined(__apple_build_version__)
// Bug 907: workaround missing declarations of the following two functions in the ADK