diff options
| author |  Benoit Jacob <jacob.benoit.1@gmail.com> | 2011-02-27 21:59:07 -0500 |
|---|---|---|
| committer | Benoit Jacob <jacob.benoit.1@gmail.com> | 2011-02-27 21:59:07 -0500 |
| commit | 0612768c1c12b46a9a529c9c1b52e2c7493ac641 (patch) | |
| tree | d4b7d0fb1c452cb1d47bf2e212bdbf9a7bfcea49 /Eigen/src/Core/arch | |
| parent | 32025a251038b53a9c3227de47610b434077c43c (diff) | |
fix bug #201: Clang too has intrinsics bugs preventing us to use custom unaligned loads
Diffstat (limited to 'Eigen/src/Core/arch')
| -rw-r--r-- | Eigen/src/Core/arch/SSE/PacketMath.h | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/Eigen/src/Core/arch/SSE/PacketMath.h b/Eigen/src/Core/arch/SSE/PacketMath.h index 6e57bfe98..d9c0c9812 100644 --- a/Eigen/src/Core/arch/SSE/PacketMath.h +++ b/Eigen/src/Core/arch/SSE/PacketMath.h @@ -245,10 +245,21 @@ template<> EIGEN_STRONG_INLINE Packet4i pload<Packet4i>(const int* from) { E // a correct instruction dependency. // TODO: do the same for MSVC (ICC is compatible) // NOTE: with the code below, MSVC's compiler crashes! + +#if defined(__GNUC__) && defined(__i386__) + // bug 195: gcc/i386 emits weird x87 fldl/fstpl instructions for _mm_load_sd + #define EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS 1 +#elif defined(__clang__) + // bug 201: Segfaults in __mm_loadh_pd with clang 2.8 + #define EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS 1 +#else + #define EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS 0 +#endif + template<> EIGEN_STRONG_INLINE Packet4f ploadu<Packet4f>(const float* from) { EIGEN_DEBUG_UNALIGNED_LOAD -#if defined(__GNUC__) && defined(__i386__) +#if EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS // bug 195: gcc/i386 emits weird x87 fldl/fstpl instructions for _mm_load_sd return _mm_loadu_ps(from); #else @@ -261,7 +272,7 @@ template<> EIGEN_STRONG_INLINE Packet4f ploadu<Packet4f>(const float* from) template<> EIGEN_STRONG_INLINE Packet2d ploadu<Packet2d>(const double* from) { EIGEN_DEBUG_UNALIGNED_LOAD -#if defined(__GNUC__) && defined(__i386__) +#if EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS // bug 195: gcc/i386 emits weird x87 fldl/fstpl instructions for _mm_load_sd return _mm_loadu_pd(from); #else @@ -274,7 +285,7 @@ template<> EIGEN_STRONG_INLINE Packet2d ploadu<Packet2d>(const double* from) template<> EIGEN_STRONG_INLINE Packet4i ploadu<Packet4i>(const int* from) { EIGEN_DEBUG_UNALIGNED_LOAD -#if defined(__GNUC__) && defined(__i386__) +#if EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS // bug 195: gcc/i386 emits weird x87 fldl/fstpl instructions for _mm_load_sd return _mm_loadu_si128(reinterpret_cast<const Packet4i*>(from)); #else |