~vcs-imports/fftw3/master

Viewing all changes in revision 3019.

  • Committer: Matteo Frigo
  • Date: 2017-09-21 22:00:58 UTC
  • Revision ID: git-v1:04590cb11baa11bbfdebe101fa90186bbf48423c
simd-vsx.h: don't use vpermxor

It seems like gcc-6 generates incorrect code when using vpermxor
(tested with qemu emulator, so there is a chance that gcc is right and
qemu is wrong).  Disable the use of vpermxor and do the simple thing
(one multiplication + one permutation).

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