diff options
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. */ |