diff options
Diffstat (limited to 'gcc/tree-vectorizer.h')
| -rw-r--r-- | gcc/tree-vectorizer.h | 91 |
1 files changed, 80 insertions, 11 deletions
diff --git a/gcc/tree-vectorizer.h b/gcc/tree-vectorizer.h index 537e963542c..f974c708786 100644 --- a/gcc/tree-vectorizer.h +++ b/gcc/tree-vectorizer.h @@ -1,5 +1,5 @@ /* Loop Vectorization - Copyright (C) 2003, 2004 Free Software Foundation, Inc. + Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc. Contributed by Dorit Naishlos <dorit@il.ibm.com> This file is part of GCC. @@ -56,6 +56,19 @@ enum dr_alignment_support { dr_aligned }; +/* Define verbosity levels. */ +enum verbosity_levels { + REPORT_NONE, + REPORT_VECTORIZED_LOOPS, + REPORT_UNVECTORIZED_LOOPS, + REPORT_ALIGNMENT, + REPORT_BAD_FORM_LOOPS, + REPORT_OUTER_LOOPS, + REPORT_DETAILS, + /* New verbosity levels should be added before this one. */ + MAX_VERBOSITY_LEVEL +}; + /*-----------------------------------------------------------------*/ /* Info on vectorized loops. */ /*-----------------------------------------------------------------*/ @@ -161,20 +174,25 @@ typedef struct _stmt_vec_info { tree memtag; /** The following fields are used to store the information about - data-reference. {base + initial_offset} is the first location accessed by - data-ref in the loop, and step is the stride of data-ref in the loop; + data-reference. {base_address + initial_offset} is the first location + accessed by data-ref in the loop, and step is the stride of data-ref in + the loop in bytes; e.g.: Example 1 Example 2 data-ref a[j].b[i][j] a + 4B (a is int*) - - base a a + + base_address &a a initial_offset j_0*D_j + i_0*D_i + C 4 step D_j 4 + data-reference structure info: + base_name a NULL + access_fn <access_fns of indexes of b> (0, +, 1) + **/ - /* The above base, offset and step. */ - tree base; + /* The above base_address, offset and step. */ + tree base_address; tree initial_offset; tree step; @@ -195,7 +213,7 @@ typedef struct _stmt_vec_info { #define STMT_VINFO_VEC_STMT(S) (S)->vectorized_stmt #define STMT_VINFO_DATA_REF(S) (S)->data_ref_info #define STMT_VINFO_MEMTAG(S) (S)->memtag -#define STMT_VINFO_VECT_DR_BASE(S) (S)->base +#define STMT_VINFO_VECT_DR_BASE_ADDRESS(S)(S)->base_address #define STMT_VINFO_VECT_INIT_OFFSET(S) (S)->initial_offset #define STMT_VINFO_VECT_STEP(S) (S)->step #define STMT_VINFO_VECT_BASE_ALIGNED_P(S) (S)->base_aligned_p @@ -240,17 +258,68 @@ unknown_alignment_for_access_p (struct data_reference *data_ref_info) /* Perform signed modulo, always returning a non-negative value. */ #define VECT_SMODULO(x,y) ((x) % (y) < 0 ? ((x) % (y) + (y)) : (x) % (y)) +/* vect_dump will be set to stderr or dump_file if exist. */ +extern FILE *vect_dump; +extern enum verbosity_levels vect_verbosity_level; /*-----------------------------------------------------------------*/ /* Function prototypes. */ /*-----------------------------------------------------------------*/ -/* Main driver. */ -extern void vectorize_loops (struct loops *); +/************************************************************************* + Simple Loop Peeling Utilities - in tree-vectorizer.c + *************************************************************************/ +/* Entry point for peeling of simple loops. + Peel the first/last iterations of a loop. + It can be used outside of the vectorizer for loops that are simple enough + (see function documentation). In the vectorizer it is used to peel the + last few iterations when the loop bound is unknown or does not evenly + divide by the vectorization factor, and to peel the first few iterations + to force the alignment of data references in the loop. */ +extern struct loop *slpeel_tree_peel_loop_to_edge + (struct loop *, struct loops *, edge, tree, tree, bool); +extern void slpeel_make_loop_iterate_ntimes (struct loop *, tree); +extern bool slpeel_can_duplicate_loop_p (struct loop *, edge); +#ifdef ENABLE_CHECKING +extern void slpeel_verify_cfg_after_peeling (struct loop *, struct loop *); +#endif + -/* creation and deletion of loop and stmt info structs. */ +/************************************************************************* + General Vectorization Utilities + *************************************************************************/ +/** In tree-vectorizer.c **/ +extern tree vect_strip_conversion (tree); +extern tree get_vectype_for_scalar_type (tree); +extern bool vect_is_simple_use (tree , loop_vec_info, tree *); +extern bool vect_is_simple_iv_evolution (unsigned, tree, tree *, tree *); +extern bool vect_can_force_dr_alignment_p (tree, unsigned int); +extern enum dr_alignment_support vect_supportable_dr_alignment + (struct data_reference *); +/* 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); 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-transform.c **/ +extern bool vectorizable_load (tree, block_stmt_iterator *, tree *); +extern bool vectorizable_store (tree, block_stmt_iterator *, tree *); +extern bool vectorizable_operation (tree, block_stmt_iterator *, tree *); +extern bool vectorizable_assignment (tree, block_stmt_iterator *, tree *); +/* Driver for transformation stage. */ +extern void vect_transform_loop (loop_vec_info, struct loops *); + +/************************************************************************* + Vectorization Debug Information - in tree-vectorizer.c + *************************************************************************/ +extern bool vect_print_dump_info (enum verbosity_levels, LOC); +extern void vect_set_verbosity_level (const char *); +extern LOC find_loop_location (struct loop *); #endif /* GCC_TREE_VECTORIZER_H */ |