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add vectorization of unary operator-() (the AltiVec version is probably

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broken)
This commit is contained in:
Gael Guennebaud
2009-03-20 10:03:24 +00:00
parent 4bb5221d22
commit fbf415c547
5 changed files with 40 additions and 1 deletions
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11
Eigen/src/Core/arch/AltiVec/PacketMath.h
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@@ -101,6 +101,17 @@ template<> inline v4i ei_padd(const v4i& a, const v4i& b) { return vec_add(
template<> inline v4f ei_psub(const v4f& a, const v4f& b) { return vec_sub(a,b); }
template<> inline v4i ei_psub(const v4i& a, const v4i& b) { return vec_sub(a,b); }
template<> EIGEN_STRONG_INLINE v4f ei_pnegate(const v4f& a)
{
v4i mask(0x80000000,0x80000000,0x80000000,0x80000000);
return vec_xor(a,(v4f) mask);
}
template<> EIGEN_STRONG_INLINE v4i ei_pnegate(const v4i& a)
{
v4f zero;
return ei_psub(vec_xor(zero,zero), a);
}
template<> inline v4f ei_pmul(const v4f& a, const v4f& b) { USE_CONST_v0f; return vec_madd(a,b, v0f); }
template<> inline v4i ei_pmul(const v4i& a, const v4i& b)
{