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* tree-vectorizer.c (new_loop_vec_info): Initialize new
field.
(destroy_loop_vec_info): Add call to VEC_free.
* tree-vectorizer.h (may_alias_ddrs): Define.
(LOOP_VINFO_MAY_ALIAS_DDRS): Define.
* tree-vect-analyze.c (vect_analyze_data_ref_dependence):
Change reporting to dump.
(vect_is_duplicate_ddr): New.
(vect_mark_for_runtime_alias_test): New.
(vect_analyze_data_ref_dependences) Add call to
vect_mark_for_runtime_alias_test.
(vect_enhance_data_refs_alignment): Define local variable
vect_versioning_for_alias_required, don't perform
peeling for alignment if versioning for alias is
required.
(vect_enhance_data_refs_alignment): Use
PARAM_VECT_MAX_VERSION_FOR_ALIGNMENT_CHECKS instead of
PARAM_VECT_MAX_VERSION_CHECKS.
* tree-vect-transform.c
(vect_create_cond_for_alias_checks): New.
(vect_transform_loop): Add call to
vect_create_cond_for_alias_checks.
(vect_vfa_segment_size): New.
* params.def (PARAM_VECT_MAX_VERSION_FOR_ALIGNMENT_CHECKS):
Rename.
(PARAM_VECT_MAX_VERSION_FOR_ALIAS_CHECKS): Define.
* gcc/doc/invoke.texi
(vect-max-version-for-alignment-checks): Document.
(vect-max-version-for-alias-checks): Document.
(vect-max-version-checks): Remove.
gcc/testsuite/ChangeLog
* gcc.dg/vect/vect-vfa-01.c: New.
* gcc.dg/vect/vect-vfa-02.c: New.
* gcc.dg/vect/vect-vfa-03.c: New.
* gcc.dg/vect/vect-vfa-04.c: New.
* gcc.dg/vect/vect-102a.c, gcc.dg/vect/vect-51.c,
gcc.dg/vect/pr29145.c, gcc.dg/vect/vect-43.c,
gcc.dg/vect/vect-61.c, gcc.dg/vect/vect-53.c,
gcc.dg/vect/vect-45.c, gcc.dg/vect/vect-101.c,
gcc.dg/vect/vect-37.c, gcc.dg/vect/vect-79.c,
gcc.dg/vect/vect-102.c, gcc.dg/vect/vect-dv-2.c,
gcc.dg/vect/vect-57.c, gcc.dg/vect/vect-49.c,
gfortran.dg/vect/pr19049.f90: Rename to start with
prefix no-vfa-.
* gcc.dg/vect/vect.exp: Disable versioning for alias
when test starts with no-vfa-.
* gfortran.dg/vect/vect.exp: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@127559 138bc75d-0d04-0410-961f-82ee72b054a4
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Victor Kaplansky <victork@il.ibm.com>
* tree-vectorizer.c (vect_is_simple_use): Support induction.
(vect_is_simple_reduction): Support reduction with induction as
one of the operands.
(vect_is_simple_iv_evolution): Fix formatting.
* tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
formatting. Don't mark induction phis for vectorization.
(vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
* tree-vect-transform.c (get_initial_def_for_induction): New function.
(vect_get_vec_def_for_operand): Support induction.
(vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
induction case.
(vectorizable_reduction): Support reduction with induction as one of
the operands.
(vectorizable_type_demotion): Use def-type of stmt argument rather
than dummy def-type.
* tree-ssa-loop.c (gate_scev_const_prop): Return the value of
flag_tree_scev_cprop.
* common.opt (tree-scev-cprop): New flag.
* tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
call to vect_get_new_vect_var.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@121643 138bc75d-0d04-0410-961f-82ee72b054a4
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functionality of the testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@104481 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree-data-ref.c (get_number_of_iters_for_loop): New function.
(analyze_siv_subscript_cst_affine): Add weak SIV test.
(compute_overlap_steps_for_affine_1_2): Use
get_number_of_iters_for_loop.
(analyze_subscript_affine_affine): Check whether difference is
zero first.
Use get_number_of_iters_for_loop.
Check whether overlap occurs outside of bounds.
(analyze_miv_subscript): Use get_number_of_iters_for_loop.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@104451 138bc75d-0d04-0410-961f-82ee72b054a4
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gcc.dg/vect/vect-ifcvt-3.c, gcc.dg/vect/vect-ifcvt-4.c,
gcc.dg/vect/vect-ifcvt-5.c, gcc.dg/vect/vect-ifcvt-6.c,
gcc.dg/vect/vect-ifcvt-7.c, gcc.dg/vect/vect-ifcvt-9.c: Call
check_vect to verify the presence of hardware vector support.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@101114 138bc75d-0d04-0410-961f-82ee72b054a4
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dependence-distance modulo VF is 0 are recorded in the
SAME_ALIGN_REFs VEC in each DR.
(vect_enhance_data_refs_alignment): Avoid 80 column overflow. The
alignment information of DRs that are in the SAME_ALIGN_REFs VEC of the
DR we want to peel for, is set to 0.
* tree-vect-transform.c (vect_do_peeling_for_loop_bound): Fix printout.
* tree-vectorizer.c (destroy_loop_vec_info): Free the SAME_ALIGN_REFs
VEC.
* tree-vectorizer.h (dr_p): New type. Defined to use the VEC API.
(_stmt_vec_info): Added new field same_align_refs.
(STMT_VINFO_SAME_ALIGN_REFS): New macro.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@100817 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@99996 138bc75d-0d04-0410-961f-82ee72b054a4
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* gcc.dg/vect/pr20122.c: Clean up .vect file.
* gcc.dg/vect/vect-92.c: Likewise
* gcc.dg/vect/vect-93.c: Likewise
* gcc.dg/vect/vect-dv-1.c: Likewise
* gcc.dg/vect/vect-dv-2.c: Likewise
* gcc.dg/vect/vect-ifcvt-10.c: Likewise
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@99135 138bc75d-0d04-0410-961f-82ee72b054a4
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compute_subscript_distance): Make externally visible.
* tree-data-ref.h (build_classic_dist_vector,
compute_subscript_distance): Same.
* tree-vect-analyze.c (vect_analyze_data_ref_dependence):
Check distance vector against vectorization factor.
(vect_analyze_loop): Determine vectorizaion factor before
analyzing data dependences.
* tree-vectorizer.c (loops_num): Make it externally visible and
rename ...
* tree-vectorizer.c (vect_loops_num): ... new name.
* tree-vectorizer.h (vect_loops_num): New.
* tree-vect-analyze.c (vect_analyze_operations): Check
vectorizable codition.
* tree-vect-transform.c (vect_is_simple_cond): New function.
(vectorizable_condition): New function.
(vect_transform_stmt): Handle condition_vec_info_type.
* tree-vectorizer.h (enum stmt_vec_info_type): Add
condition_vec_info_type.
(vectorizable_condition): New.
* lib/target-supports.exp (check_effective_target_vect_condition): New.
* gcc.dg/vect/vect-ifcvt-1.c: New test.
* gcc.dg/vect/vect-ifcvt-2.c: New test.
* gcc.dg/vect/vect-ifcvt-3.c: New test.
* gcc.dg/vect/vect-ifcvt-4.c: New test.
* gcc.dg/vect/vect-ifcvt-5.c: New test.
* gcc.dg/vect/vect-ifcvt-6.c: New test.
* gcc.dg/vect/vect-ifcvt-7.c: New test.
* gcc.dg/vect/vect-none.c: Now one loop is vectorized.
* gcc.dg/vect/vect-dv-1.c: New test.
* gcc.dg/vect/vect-dv-2.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@97999 138bc75d-0d04-0410-961f-82ee72b054a4
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