diff options
| author |  Benoit Jacob <benoitjacob@google.com> | 2016-04-08 08:12:47 -0400 |
|---|---|---|
| committer | Benoit Jacob <benoitjacob@google.com> | 2016-04-08 08:12:47 -0400 |
| commit | cd2b667ac80adc54df1496273a3cbe83d2eb1607 (patch) | |
| tree | 8ec88a0309beacca44f6d8aa4c79eef2cab85664 /Eigen/src/Core/arch/NEON/PacketMath.h | |
| parent | 3bd16457e14a79f0293e5cec29e22f7c62a3a359 (diff) | |
Add references to filed LLVM bugs
Diffstat (limited to 'Eigen/src/Core/arch/NEON/PacketMath.h')
| -rw-r--r-- | Eigen/src/Core/arch/NEON/PacketMath.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Eigen/src/Core/arch/NEON/PacketMath.h b/Eigen/src/Core/arch/NEON/PacketMath.h index 63a2d9f52..3224c36bd 100644 --- a/Eigen/src/Core/arch/NEON/PacketMath.h +++ b/Eigen/src/Core/arch/NEON/PacketMath.h @@ -179,6 +179,8 @@ template<> EIGEN_STRONG_INLINE Packet4i pdiv<Packet4i>(const Packet4i& /*a*/, co // Clang/ARM wrongly advertises __ARM_FEATURE_FMA even when it's not available, // then implements a slow software scalar fallback calling fmaf()! +// Filed LLVM bug: +// https://llvm.org/bugs/show_bug.cgi?id=27216 #if (defined __ARM_FEATURE_FMA) && !(EIGEN_COMP_CLANG && EIGEN_ARCH_ARM) // See bug 936. // FMA is available on VFPv4 i.e. when compiling with -mfpu=neon-vfpv4. @@ -195,6 +197,8 @@ template<> EIGEN_STRONG_INLINE Packet4f pmadd(const Packet4f& a, const Packet4f& // -march=armv7-a, that is a very common case. // See e.g. this thread: // http://lists.llvm.org/pipermail/llvm-dev/2013-December/068806.html + // Filed LLVM bug: + // https://llvm.org/bugs/show_bug.cgi?id=27219 Packet4f r = c; asm volatile( "vmla.f32 %q[r], %q[a], %q[b]" |