diff options
| author |  Gael Guennebaud <g.gael@free.fr> | 2009-02-10 18:26:59 +0000 |
|---|---|---|
| committer | Gael Guennebaud <g.gael@free.fr> | 2009-02-10 18:26:59 +0000 |
| commit | 7954f7709a1d2ab50e779838a709531c914a644c (patch) | |
| tree | 62089a8088f6bf88e0d08409540b2fb60bc96b0b | |
| parent | cbbc6d940bd6ddf7d96352b4b4e3033ff4e555fe (diff) | |
add ei_predux_mul for AltiVec
| -rw-r--r-- | Eigen/src/Core/arch/AltiVec/PacketMath.h | 40 |
1 files changed, 30 insertions, 10 deletions
diff --git a/Eigen/src/Core/arch/AltiVec/PacketMath.h b/Eigen/src/Core/arch/AltiVec/PacketMath.h index e64983f36..37eafa81f 100644 --- a/Eigen/src/Core/arch/AltiVec/PacketMath.h +++ b/Eigen/src/Core/arch/AltiVec/PacketMath.h @@ -298,16 +298,6 @@ inline v4f ei_preduxp(const v4f* vecs) return sum[0]; } -inline float ei_predux(const v4f& a) -{ - v4f b, sum; - b = (v4f)vec_sld(a, a, 8); - sum = vec_add(a, b); - b = (v4f)vec_sld(sum, sum, 4); - sum = vec_add(sum, b); - return ei_pfirst(sum); -} - inline v4i ei_preduxp(const v4i* vecs) { v4i v[4], sum[4]; @@ -335,6 +325,16 @@ inline v4i ei_preduxp(const v4i* vecs) return sum[0]; } +inline float ei_predux(const v4f& a) +{ + v4f b, sum; + b = (v4f)vec_sld(a, a, 8); + sum = vec_add(a, b); + b = (v4f)vec_sld(sum, sum, 4); + sum = vec_add(sum, b); + return ei_pfirst(sum); +} + inline int ei_predux(const v4i& a) { USE_CONST_v0i; @@ -344,6 +344,26 @@ inline int ei_predux(const v4i& a) return ei_pfirst(sum); } +inline float ei_predux_mul(const v4f& a) +{ + v4f b, sum; + b = (v4f)vec_sld(a, a, 8); + sum = ei_pmul(a, b); + b = (v4f)vec_sld(sum, sum, 4); + sum = ei_pmul(sum, b); + return ei_pfirst(sum); +} + +inline int ei_predux_mul(const v4i& a) +{ + v4i b, sum; + b = (v4i)vec_sld(a, a, 8); + sum = ei_pmul(a, b); + b = (v4i)vec_sld(sum, sum, 4); + sum = ei_pmul(sum, b); + return ei_pfirst(sum); +} + template<int Offset> struct ei_palign_impl<Offset, v4f> { |