make check passed: no new fails.
On Wed, May 28, 2014 at 5:09 PM, Evgeny Stupachenko <evstu...@gmail.com> wrote: > Hi, > > The patch introduces alternative way of permutations for load groups > of size 2 and 3 which should be faster on architectures with low > parallelism. > The patch gives 2 times gain on Silvermont to the test from PR52252 > (in addition to already committed 3 times gain). > > Patch passes bootstrap on x86. Make check is in progress. > > ChangeLog: > > 2014-05-28 Evgeny Stupachenko <evstu...@gmail.com> > > * config/i386/i386.c (ix86_have_vector_parallel_execution): New. > (TARGET_VECTORIZE_HAVE_VECTOR_PARALLEL_EXECUTION): New. > * config/i386/i386.h (TARGET_VECTOR_PARALLEL_EXECUTION): New. > * config/i386/x86-tune.def (X86_TUNE_VECTOR_PARALLEL_EXECUTION): New. > * target.def (have_vector_parallel_execution): New. > * doc/tm.texi.in (have_vector_parallel_execution)): New. > * doc/tm.texi: Regenerate. > * targhooks.c (default_have_vector_parallel_execution): New. > * tree-vect-data-refs.c (vect_shift_permute_load_chain): New. > Introduces alternative way of loads group permutaions. > (vect_transform_grouped_load): Try alternative way of permutaions. > > Evgeny
