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Align local arrays to Packet boundary.

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This commit is contained in:
Rasmus Munk Larsen 2021-04-06 16:22:36 +00:00
parent ace7f132ed
commit 22edb46823
1 changed files with 2 additions and 2 deletions
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4
Eigen/src/Core/GenericPacketMath.h
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@ -556,7 +556,7 @@ template<typename Packet> EIGEN_DEVICE_FUNC inline Packet
peven_mask(const Packet& /*a*/) { peven_mask(const Packet& /*a*/) {
typedef typename unpacket_traits<Packet>::type Scalar; typedef typename unpacket_traits<Packet>::type Scalar;
const size_t n = unpacket_traits<Packet>::size; const size_t n = unpacket_traits<Packet>::size;
Scalar elements[n]; EIGEN_ALIGN_TO_BOUNDARY(sizeof(Packet)) Scalar elements[n];
for(size_t i = 0; i < n; ++i) { for(size_t i = 0; i < n; ++i) {
memset(elements+i, ((i & 1) == 0 ? 0xff : 0), sizeof(Scalar)); memset(elements+i, ((i & 1) == 0 ? 0xff : 0), sizeof(Scalar));
} }
@ -731,7 +731,7 @@ EIGEN_DEVICE_FUNC inline typename unpacket_traits<Packet>::type
predux_helper(const Packet& a, Op op) { predux_helper(const Packet& a, Op op) {
typedef typename unpacket_traits<Packet>::type Scalar; typedef typename unpacket_traits<Packet>::type Scalar;
const size_t n = unpacket_traits<Packet>::size; const size_t n = unpacket_traits<Packet>::size;
Scalar elements[n]; EIGEN_ALIGN_TO_BOUNDARY(sizeof(Packet)) Scalar elements[n];
pstoreu<Scalar>(elements, a); pstoreu<Scalar>(elements, a);
for(size_t k = n / 2; k > 0; k /= 2) { for(size_t k = n / 2; k > 0; k /= 2) {
for(size_t i = 0; i < k; ++i) { for(size_t i = 0; i < k; ++i) {