diff options
Diffstat (limited to 'gcc/tree-vectorizer.h')
| -rw-r--r-- | gcc/tree-vectorizer.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/tree-vectorizer.h b/gcc/tree-vectorizer.h index c3ff0584025..bba771e565f 100644 --- a/gcc/tree-vectorizer.h +++ b/gcc/tree-vectorizer.h @@ -242,6 +242,12 @@ typedef struct _loop_vec_info { /* The unrolling factor needed to SLP the loop. In case of that pure SLP is applied to the loop, i.e., no unrolling is needed, this is 1. */ unsigned slp_unrolling_factor; + + /* When we have strided data accesses with gaps, we may introduce invalid + memory accesses. We peel the last iteration of the loop to prevent + this. */ + bool peeling_for_gaps; + } *loop_vec_info; /* Access Functions. */ @@ -266,6 +272,7 @@ typedef struct _loop_vec_info { #define LOOP_VINFO_STRIDED_STORES(L) (L)->strided_stores #define LOOP_VINFO_SLP_INSTANCES(L) (L)->slp_instances #define LOOP_VINFO_SLP_UNROLLING_FACTOR(L) (L)->slp_unrolling_factor +#define LOOP_VINFO_PEELING_FOR_GAPS(L) (L)->peeling_for_gaps #define LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT(L) \ VEC_length (gimple, (L)->may_misalign_stmts) > 0 |