diff options
Diffstat (limited to 'gcc/tree-vectorizer.h')
| -rw-r--r-- | gcc/tree-vectorizer.h | 35 |
1 files changed, 31 insertions, 4 deletions
diff --git a/gcc/tree-vectorizer.h b/gcc/tree-vectorizer.h index 4f7fd95..c5b1378 100644 --- a/gcc/tree-vectorizer.h +++ b/gcc/tree-vectorizer.h @@ -1,5 +1,5 @@ /* Loop Vectorization - Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc. + Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc. Contributed by Dorit Naishlos <dorit@il.ibm.com> This file is part of GCC. @@ -43,10 +43,11 @@ enum vect_var_kind { vect_scalar_var }; -/* Defines type of operation: unary or binary. */ +/* Defines type of operation. */ enum operation_type { unary_op = 1, - binary_op + binary_op, + ternary_op }; /* Define type of available alignment support. */ @@ -204,6 +205,20 @@ typedef struct _stmt_vec_info { /* Information about the data-ref (access function, etc). */ struct data_reference *data_ref_info; + /* Stmt is part of some pattern (computation idiom) */ + bool in_pattern_p; + + /* Used for various bookeeping purposes, generally holding a pointer to + some other stmt S that is in some way "related" to this stmt. + Current use of this field is: + If this stmt is part of a pattern (i.e. the field 'in_pattern_p' is + true): S is the "pattern stmt" that represents (and replaces) the + sequence of stmts that constitutes the pattern. Similarly, the + related_stmt of the "pattern stmt" points back to this stmt (which is + the last stmt in the original sequence of stmts that constitutes the + pattern). */ + tree related_stmt; + /* List of datarefs that are known to have the same alignment as the dataref of this stmt. */ VEC(dr_p,heap) *same_align_refs; @@ -222,6 +237,8 @@ typedef struct _stmt_vec_info { #define STMT_VINFO_VECTYPE(S) (S)->vectype #define STMT_VINFO_VEC_STMT(S) (S)->vectorized_stmt #define STMT_VINFO_DATA_REF(S) (S)->data_ref_info +#define STMT_VINFO_IN_PATTERN_P(S) (S)->in_pattern_p +#define STMT_VINFO_RELATED_STMT(S) (S)->related_stmt #define STMT_VINFO_SAME_ALIGN_REFS(S) (S)->same_align_refs #define STMT_VINFO_DEF_TYPE(S) (S)->def_type @@ -312,7 +329,6 @@ extern bool vect_can_force_dr_alignment_p (tree, unsigned int); extern enum dr_alignment_support vect_supportable_dr_alignment (struct data_reference *); extern bool reduction_code_for_scalar_code (enum tree_code, enum tree_code *); - /* Creation and deletion of loop and stmt info structs. */ extern loop_vec_info new_loop_vec_info (struct loop *loop); extern void destroy_loop_vec_info (loop_vec_info); @@ -320,10 +336,21 @@ extern stmt_vec_info new_stmt_vec_info (tree stmt, loop_vec_info); /* Main driver. */ extern void vectorize_loops (struct loops *); + /** In tree-vect-analyze.c **/ /* Driver for analysis stage. */ extern loop_vec_info vect_analyze_loop (struct loop *); + +/** In tree-vect-patterns.c **/ +/* Pattern recognition functions. + Additional pattern recognition functions can (and will) be added + in the future. */ +typedef tree (* vect_recog_func_ptr) (tree, tree *, tree *); +#define NUM_PATTERNS 3 +void vect_pattern_recog (loop_vec_info); + + /** In tree-vect-transform.c **/ extern bool vectorizable_load (tree, block_stmt_iterator *, tree *); extern bool vectorizable_store (tree, block_stmt_iterator *, tree *); |