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* Cherry-pick: PR tree-optimization/65447Aditya Kumar2015-08-271-0/+54
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit ad478851f7dd45438a9b33ecd7f30a4e6ab00388 Author: amker <amker@138bc75d-0d04-0410-961f-82ee72b054a4> Date: Wed May 20 05:15:56 2015 +0000 PR tree-optimization/65447 * tree-ssa-loop-ivopts.c (struct iv_use): New fields. (dump_use, dump_uses): Support to dump sub use. (record_use): New parameters to support sub use. Remove call to dump_use. (record_sub_use, record_group_use): New functions. (compute_max_addr_offset, split_all_small_groups): New functions. (group_address_uses, rewrite_use_address): New functions. (strip_offset): New declaration. (find_interesting_uses_address): Call record_group_use. (add_candidate): New assertion. (infinite_cost_p): Move definition forward. (add_costs): Check INFTY cost and return immediately. (get_computation_cost_at): Clear setup cost and dependent bitmap for sub uses. (determine_use_iv_cost_address): Compute cost for sub uses. (rewrite_use_address_1): Rename from old rewrite_use_address. (free_loop_data): Free sub uses. (tree_ssa_iv_optimize_loop): Call group_address_uses. gcc/testsuite PR tree-optimization/65447 * gcc.dg/tree-ssa/pr65447.c: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@223433 138bc75d-0d04-0410-961f-82ee72b054a4
* Synchronize with google/gcc-4_9 to r224707 (from r214835)Yiran Wang2015-06-2966-18/+1596
| | | | Change-Id: I3d6f06fc613c8f8b6a82143dc44b7338483aac5d
* Update register class information when register assigned by IRA.Yiran Wang2015-06-151-0/+77
| | | | | | | | | | | | The update is necessary so that LRA is able to detect the conflict between these regisers and LRA registers. The change is a back-port from GCC 5.0 r217783, and please refer to gcc bug 63762 for some details. That bug report has an example, which is about VFP register file, but the issue applies to ARM integer register file too, with the same mechanism. The change is mainly about Thumb, although theoretically not limitted to. Change-Id: I1fedb410ae5ca39f168dab874f310d7337ab9bcc
* Backport a fix about gcc-4.9 crash at the presence of #pragma GCC optimize ↵Andrew Hsieh2015-03-261-0/+21
| | | | | | | | | | | | | | | | | | | | | | | ("O0") In google/google-4_9 branch ------------------------------------------------------------------------ r221700 | wmi | 2015-03-26 11:11:16 -0700 (Thu, 26 Mar 2015) | 13 lines Fix the problem in b/19277289 by avoiding calling walk_aliased_vdefs in O0 function. gcc/ 2015-03-26 Carrot Wei <carrot@google.com> * ipa-inline-analysis.c: Early return. gcc/testsuite 2015-03-26 Carrot Wei <carrot@google.com> * testsuite/gcc.dg/19277289.c: New test. Change-Id: I6bd7353b65fb918f9651dd737cbe3112fca1fa17
* Update MSA Support in MIPS GCC.Steve Ellcey2015-03-195-47/+70
| | | | Change-Id: Id87035be4552719dc05096bb98b49d4bed91a07a
* [4.9] Additional SLM tuning. Backport from trunk.Andrew Senkevich2015-02-271-0/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2014-11-24 Richard Biener <rguenther@suse.de> PR tree-optimization/55334 * function.h (struct function): Add last_clique member. * tree-inline.c (remap_dependence_clique): New function. (remap_gimple_op_r): Remap dependence cliques in MEM_REFs. (copy_tree_body_r): Likewise. (copy_cfg_body): Free dependence map. (copy_gimple_seq_and_replace_locals): Likewise. * tree-pretty-print.c (dump_generic_node): Dump dependence info. * tree-ssa-alias.c (refs_may_alias_p_1): Use dependence info to answer alias query. * tree-ssa-structalias.c: Include tree-phinodes.h, ssa-iterators.h, tree-pretty-print.h and gimple-walk.h. (struct variable_info): Add is_restrict_var flag and ruid member. (new_var_info): Initialize is_restrict_var. (make_constraint_from_restrict): Likewise. (create_variable_info_for): Exclude restricts from global vars from new handling. (intra_create_variable_infos): But not those from parameters. (visit_loadstore): New function. (maybe_set_dependence_info): Likewise. (compute_dependence_clique): Likewise. (compute_may_aliases): Call compute_dependence_clique. * tree-data-ref.c (dr_analyze_indices): Copy dependence info to fake MEM_REF. (dr_may_alias_p): Use recorded dependence info to answer alias query. * tree-core.h (struct tree_base): Add clique, base struct in union. * tree.h (MR_DEPENDENCE_CLIQUE): New macro. (MR_DEPENDENCE_BASE): Likewise. * tree-inline.h (dependence_hasher): New hash-map kind. (struct copy_body_data): Add dependence_map pointer. * tree-streamer-in.c (unpack_value_fields): Stream dependence info. * tree-streamer-out.c (streamer_pack_tree_bitfields): Likewise. * gcc.dg/tree-ssa/restrict-5.c: New testcase. Change-Id: I45c8d5eac758aea881a884c131f627cc916cbaf3 Signed-off-by: Andrew Senkevich <andrew.senkevich@intel.com>
* [4.9] Fix bogus warnings about array-bounds.Alexander Ivchenko2015-01-283-0/+67
| | | | | | | | | | | | | | | | | | | | | | | 2015-01-28 Ilya Enkovich <ilya.enkovich@intel.com> PR tree-optimization/64277 * tree-ssa-loop-niter.c (record_nonwrapping_iv): Use base range info when possible to refine estimation. 2015-01-27 Richard Biener <rguenther@suse.de> PR tree-optimization/56273 PR tree-optimization/59124 PR tree-optimization/64277 * tree-vrp.c (vrp_finalize): Emit array-bound warnings only from the first VRP pass. * g++.dg/warn/Warray-bounds-6.C: New testcase. * gcc.dg/Warray-bounds-12.c: Likewise. * gcc.dg/Warray-bounds-13.c: Likewise. Change-Id: I175b420a4c8150ecf986d477e4c51cbbff276c82 Signed-off-by: Alexander Ivchenko <alexander.ivchenko@intel.com>
* [4.9] Backport patches fixed vectorization issues.Rong Xu2014-10-313-0/+97
| | | | | | | | | Backport 3 patches from upstream gcc that fixed some vectorization issues: r215585 fixed PR63341 r216508 fixed PR63563 r216770 fixed PR63530 Change-Id: I650bf25ef0843b1ff01911b567fb26e069fd4550
* Merge "[gcc-4.9] Merge svn r214745 from google/gcc-4_9 branch. Merge gcc-4_9 ↵Andrew Hsieh2014-09-0315-4/+336
|\ | | | | | | source r214745 from google/gcc-4_9 branch."
| * [gcc-4.9] Merge svn r214745 from google/gcc-4_9 branch.Rong Xu2014-09-0215-4/+336
| | | | | | | | | | | | Merge gcc-4_9 source r214745 from google/gcc-4_9 branch. Change-Id: Ie6fa0fd72f4b4eec3adc4db4bb922e652d1c2605
* | Merge "[4.8, 4.9] Backport of additional SLM tuning."Andrew Hsieh2014-09-031-0/+30
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| * [4.8, 4.9] Backport of additional SLM tuning.Alexander Ivchenko2014-08-061-0/+30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Six patches from trunk, reg-tested via 'make check': 2014-05-07 Evgeny Stupachenko <evstupac@gmail.com> * tree-vect-data-refs.c (vect_grouped_load_supported): New check for loads group of length 3. (vect_permute_load_chain): New permutations for loads group of length 3. * tree-vect-stmts.c (vect_model_load_cost): Change cost of vec_perm_shuffle for the new permutations. 2014-04-17 Evgeny Stupachenko <evstupac@gmail.com> * config/i386/i386.c (x86_add_stmt_cost): Fix vector cost model for Silvermont. 2014-04-17 Evgeny Stupachenko <evstupac@gmail.com> * config/i386/x86-tune.def (TARGET_SLOW_PSHUFB): New tune definition. * config/i386/i386.h (TARGET_SLOW_PSHUFB): New tune flag. * config/i386/i386.c (expand_vec_perm_even_odd_1): Avoid byte shuffles for TARGET_SLOW_PSHUFB 2014-04-17 Evgeny Stupachenko <evstupac@gmail.com> * config/i386/i386.c (slm_cost): Adjust vec_to_scalar_cost. * config/i386/i386.c (intel_cost): Ditto. 2014-06-18 Evgeny Stupachenko <evstupac@gmail.com> * config/i386/i386.c (ix86_reassociation_width): Add alternative for vector case. * config/i386/i386.h (TARGET_VECTOR_PARALLEL_EXECUTION): New. * config/i386/x86-tune.def (X86_TUNE_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 permutations. 2014-06-05 Evgeny Stupachenko <evstupac@gmail.com> * config/i386/sse.md (*ssse3_palignr<mode>_perm): New. * config/i386/predicates.md (palignr_operand): New. Indicates if permutation is suitable for palignr instruction. Change-Id: I5e505735ce3dc0ec3c2a1151713a119b24d712fe Signed-off-by: Alexander Ivchenko <alexander.ivchenko@intel.com>
* | [gcc-4.9] Merge svn r213650 from google/gcc-4_9 branchRong Xu2014-08-063-11/+12
|/ | | | | | | Merge svn r213650 from google/gcc-4_9 branch. Tested with arm,x86,mips,arm64,x86_64,mips64 build in liunux/windows. Change-Id: I0c07f67d516074172aa393003eee664d01f2e0f2
* [4.9] Switch gcc-4.9 to use google/gcc-4_9 branch.Rong Xu2014-07-29108-58/+2226
| | | | | | | | | | | | | | This source drop uses svn version r212828 of google/gcc-4.9 branch. We also cherry-picked r213062, r213063 and r213064 to fix windows build issues. All gcc-4.9 patches before July 3rd are ported to google/gcc-4.9. The following prior commits has not been merged to google branch yet. (They are included in this commit). e7af147f979e657fe2df00808e5b4319b0e088c6, baf87df3cb2683649ba7e9872362a7e721117c23, and c231900e5dcc14d8296bd9f62b45997a49d4d5e7. Change-Id: I4bea3ea470387ff751c2be4cb0d4a12059b9299b
* Update GCC 4.9 to include mips32r6, mips64r6 and MSA changes.Steve Ellcey2014-07-031-0/+2
| | | | Change-Id: I136290865b137531d55321987818fc954a65f5d6
* [4.9] Refresh GCC 4.9 to the 20140514 snapshot.Ben Cheng2014-05-174-1/+63
| | | | | | For critical bug fixes including devirtualization and codegen. Change-Id: I8138d3dc408fc12db5eecb01d2753d39219712f2
* [4.9] GCC 4.9.0 official release refreshBen Cheng2014-04-2228-55/+407
| | | | Change-Id: Ic99a7da8b44b789a48aeec93b33e93944d6e6767
* Initial checkin of GCC 4.9.0 from trunk (r208799).Ben Cheng2014-03-258094-0/+309092
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
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