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| author | Erik Schnetter <schnetter@gmail.com> | 2013-08-17 12:07:39 -0400 |
|---|---|---|
| committer | Erik Schnetter <schnetter@gmail.com> | 2013-08-17 12:08:01 -0400 |
| commit | dba86f8ca7046f96c4d7ab3b8db5e5b9bbad1580 (patch) | |
| tree | 189f4da729f24689d110e2c85b9dca87c115117e | |
| parent | 5e59074445e36db39ff7245e33be316549da6c72 (diff) | |
| download | vecmathlib-dba86f8ca7046f96c4d7ab3b8db5e5b9bbad1580.zip vecmathlib-dba86f8ca7046f96c4d7ab3b8db5e5b9bbad1580.tar.gz | |
QPX: Optimize all/any
| -rw-r--r-- | vec_qpx_double4.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/vec_qpx_double4.h b/vec_qpx_double4.h index 20de208..118815d 100644 --- a/vec_qpx_double4.h +++ b/vec_qpx_double4.h @@ -104,11 +104,19 @@ namespace vecmathlib { bool all() const { - return (*this)[0] && (*this)[1] && (*this)[2] && (*this)[3]; + // return (*this)[0] && (*this)[1] && (*this)[2] && (*this)[3]; + realvec_t x0123 = *this; + realvec_t x1032 = vec_perm(x0123, x0123, vec_gpci(01032)); + realvec_t y0022 = x0123 && x1032; + return y0022[0] && y0022[2]; } bool any() const { - return (*this)[0] || (*this)[1] || (*this)[2] || (*this)[3]; + // return (*this)[0] || (*this)[1] || (*this)[2] || (*this)[3]; + realvec_t x0123 = *this; + realvec_t x1032 = vec_perm(x0123, x0123, vec_gpci(01032)); + realvec_t y0022 = x0123 || x1032; + return y0022[0] || y0022[2]; } @@ -537,7 +545,7 @@ namespace vecmathlib { real_t sum() const { // return (*this)[0] + (*this)[1] + (*this)[2] + (*this)[3]; - realvec_t c1 = vec_logical(v, v, 0xf); + realvec_t c1 = vec_logical(v, v, 0xf); // +1.0 realvec_t x = vec_xxmadd(v, c1, v); return x[0] + x[2]; } |
