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author | dorit <dorit@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-10-14 17:21:35 +0000 |
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committer | dorit <dorit@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-10-14 17:21:35 +0000 |
commit | 97a18f01925451bc32c0e0f952840ae36099a647 (patch) | |
tree | cf7a81b91a03469d3f5d1f4413db635fb27b33e9 /gcc/tree-vectorizer.h | |
parent | 7d95f6a377f7e5458d2a4ac29109c073a72172a7 (diff) | |
download | gcc-97a18f01925451bc32c0e0f952840ae36099a647.tar.gz |
2004-10-14 Olga Golovanevsky <olga@il.ibm.com>
* tree-vectorizer.c (vect_generate_tmps_on_preheader):
(vect_update_ivs_after_vectorizer):
(vect_transform_for_unknown_loop_bound):
(tree_duplicate_loop_to_edge):
(allocate_new_names):
(rename_use_op):
(rename_def_op):
(rename_variables_in_bb):
(free_new_names):
(rename_variables_in_loop):
(copy_phi_nodes):
(update_phis_for_duplicate_loop):
(update_phi_nodes_for_guard):
(make_loop_iterate_ntimes):
(tree_duplicate_loop_to_edge_cfg):
(add_loop_guard):
(vect_analyze_loop_with_symbolic_num_of_iters):
(verify_loop_for_duplication):
(vect_gen_niters_for_prolog_loop):
(vect_update_niters_after_peeling):
(vect_update_inits_of_dr):
(vect_update_inits_of_drs):
(vect_build_loop_niters):
(vect_do_peeling_for_alignment): New functions.
(vect_transform_loop): Add unknown and known but indivisible loop
bound support; add peeling for unalignment support.
(vect_analyze_loop_form): Support symbolic number of iterations.
(vect_transform_loop_bound): New input parameter.
(vect_get_loop_niters): Change input parameter type.
(new_loop_vec_info): LOOP_VINFO_NITERS is tree now.
(vectorizable_store): Allow unaligned access.
(vectorize_loops): Add rewrite_into_loop_closed_ssa.
(vect_analyze_data_refs_alignment): Allowed one unaligned
store.
* tree-vectorizer.h (LOOP_VINFO_NITERS_KNOWN_P): Redefined
to use tree.
(LOOP_VINFO_INT_NITERS): New macro.
(MAX_NUMBER_OF_UNALIGNED_DATA_REFS): New define.
(do_peeling_for_alignment):
(unaligned_drs): New members of _loop_vec_info.
(LOOP_DO_PEELING_FOR_ALIGNMENT): New macro.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@89040 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-vectorizer.h')
-rw-r--r-- | gcc/tree-vectorizer.h | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/gcc/tree-vectorizer.h b/gcc/tree-vectorizer.h index 37c57067914..8ec9576544a 100644 --- a/gcc/tree-vectorizer.h +++ b/gcc/tree-vectorizer.h @@ -121,6 +121,7 @@ vinfo_for_stmt (tree stmt) /* The misalignment of the memory access in bytes. */ #define DR_MISALIGNMENT(DR) (DR)->aux +#define MAX_NUMBER_OF_UNALIGNED_DATA_REFS 1 static inline bool aligned_access_p (struct data_reference *data_ref_info) @@ -152,8 +153,8 @@ typedef struct _loop_vec_info { /* The loop exit_condition. */ tree exit_cond; - /* Number of iterations. -1 if unknown. */ - HOST_WIDE_INT num_iters; + /* Number of iterations. */ + tree num_iters; /* Is the loop vectorizable? */ bool vectorizable; @@ -161,6 +162,13 @@ typedef struct _loop_vec_info { /* Unrolling factor */ int vectorization_factor; + /* Unknown DRs according to which loop was peeled. */ + struct data_reference *unaligned_drs [MAX_NUMBER_OF_UNALIGNED_DATA_REFS]; + + /* If true, loop is peeled. + unaligned_drs show in this case DRs used for peeling. */ + bool do_peeling_for_alignment; + /* All data references in the loop that are being written to. */ varray_type data_ref_writes; @@ -177,8 +185,14 @@ typedef struct _loop_vec_info { #define LOOP_VINFO_VECT_FACTOR(L) (L)->vectorization_factor #define LOOP_VINFO_DATAREF_WRITES(L) (L)->data_ref_writes #define LOOP_VINFO_DATAREF_READS(L) (L)->data_ref_reads - -#define LOOP_VINFO_NITERS_KNOWN_P(L) ((L)->num_iters > 0) +#define LOOP_VINFO_INT_NITERS(L) (TREE_INT_CST_LOW ((L)->num_iters)) +#define LOOP_DO_PEELING_FOR_ALIGNMENT(L) (L)->do_peeling_for_alignment +#define LOOP_UNALIGNED_DR(L, I) (L)->unaligned_drs[(I)] + + +#define LOOP_VINFO_NITERS_KNOWN_P(L) \ +(host_integerp ((L)->num_iters,0) \ +&& TREE_INT_CST_LOW ((L)->num_iters) > 0) /*-----------------------------------------------------------------*/ /* Function prototypes. */ |