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authorAlexander Ivchenko <alexander.ivchenko@intel.com>2015-03-16 10:30:57 +0300
committerAlexander Ivchenko <alexander.ivchenko@intel.com>2015-03-17 13:03:08 +0300
commit3951a3654b8197466bee3e6732b3bc94e4018f68 (patch)
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[4.9] Several improvements in code generation for x86. Backport from trunk.
2014-11-21 Evgeny Stupachenko <evstupac@gmail.com> PR target/60451 * config/i386/i386.c (expand_vec_perm_even_odd_pack): New. (expand_vec_perm_even_odd_1): Add new expand for V8HI mode, replace for V16QI, V16HI and V32QI modes. (ix86_expand_vec_perm_const_1): Add new expand. 2014-06-11 Evgeny Stupachenko <evstupac@gmail.com> * tree-vect-data-refs.c (vect_grouped_store_supported): New check for stores group of length 3. (vect_permute_store_chain): New permutations for stores group of length 3. * tree-vect-stmts.c (vect_model_store_cost): Change cost of vec_perm_shuffle for the new permutations. 2014-11-28 Evgeny Stupachenko <evstupac@gmail.com> * tree-vect-data-refs.c (vect_transform_grouped_load): Limit shift permutations to loads group of size 3. 2014-12-18 Bin Cheng <bin.cheng@arm.com> PR tree-optimization/62178 * tree-ssa-loop-ivopts.c (cheaper_cost_with_cand): New function. (iv_ca_replace): New function. (try_improve_iv_set): New parameter try_replace_p. Break local optimal fixed-point by calling iv_ca_replace. (find_optimal_iv_set_1): Pass new argument to try_improve_iv_set. Change-Id: I5dca8236d3807cedc5e09d7eda65f0ccec9f5cb2 Signed-off-by: Alexander Ivchenko <alexander.ivchenko@intel.com>
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