diff options
Diffstat (limited to 'gcc/tree-vect-data-refs.c')
| -rw-r--r-- | gcc/tree-vect-data-refs.c | 33 |
1 files changed, 19 insertions, 14 deletions
diff --git a/gcc/tree-vect-data-refs.c b/gcc/tree-vect-data-refs.c index db5232e..9f848fe 100644 --- a/gcc/tree-vect-data-refs.c +++ b/gcc/tree-vect-data-refs.c @@ -568,15 +568,20 @@ vect_analyze_data_ref_dependences (loop_vec_info loop_vinfo, DUMP_VECT_SCOPE ("vect_analyze_data_ref_dependences"); - LOOP_VINFO_DDRS (loop_vinfo) - .create (LOOP_VINFO_DATAREFS (loop_vinfo).length () - * LOOP_VINFO_DATAREFS (loop_vinfo).length ()); + if (!LOOP_VINFO_DDRS (loop_vinfo).exists ()) + { + LOOP_VINFO_DDRS (loop_vinfo) + .create (LOOP_VINFO_DATAREFS (loop_vinfo).length () + * LOOP_VINFO_DATAREFS (loop_vinfo).length ()); + /* We need read-read dependences to compute + STMT_VINFO_SAME_ALIGN_REFS. */ + if (!compute_all_dependences (LOOP_VINFO_DATAREFS (loop_vinfo), + &LOOP_VINFO_DDRS (loop_vinfo), + LOOP_VINFO_LOOP_NEST (loop_vinfo), true)) + return false; + } + LOOP_VINFO_NO_DATA_DEPENDENCIES (loop_vinfo) = true; - /* We need read-read dependences to compute STMT_VINFO_SAME_ALIGN_REFS. */ - if (!compute_all_dependences (LOOP_VINFO_DATAREFS (loop_vinfo), - &LOOP_VINFO_DDRS (loop_vinfo), - LOOP_VINFO_LOOP_NEST (loop_vinfo), true)) - return false; /* For epilogues we either have no aliases or alias versioning was applied to original loop. Therefore we may just get max_vf @@ -833,7 +838,7 @@ vect_record_base_alignments (vec_info *vinfo) struct loop *loop = loop_vinfo ? LOOP_VINFO_LOOP (loop_vinfo) : NULL; data_reference *dr; unsigned int i; - FOR_EACH_VEC_ELT (vinfo->datarefs, i, dr) + FOR_EACH_VEC_ELT (vinfo->shared->datarefs, i, dr) { gimple *stmt = vect_dr_stmt (dr); stmt_vec_info stmt_info = vinfo_for_stmt (stmt); @@ -1155,7 +1160,7 @@ verify_data_ref_alignment (data_reference_p dr) bool vect_verify_datarefs_alignment (loop_vec_info vinfo) { - vec<data_reference_p> datarefs = vinfo->datarefs; + vec<data_reference_p> datarefs = vinfo->shared->datarefs; struct data_reference *dr; unsigned int i; @@ -2353,14 +2358,14 @@ vect_analyze_data_refs_alignment (loop_vec_info vinfo) /* Mark groups of data references with same alignment using data dependence information. */ - vec<ddr_p> ddrs = vinfo->ddrs; + vec<ddr_p> ddrs = vinfo->shared->ddrs; struct data_dependence_relation *ddr; unsigned int i; FOR_EACH_VEC_ELT (ddrs, i, ddr) vect_find_same_alignment_drs (ddr); - vec<data_reference_p> datarefs = vinfo->datarefs; + vec<data_reference_p> datarefs = vinfo->shared->datarefs; struct data_reference *dr; vect_record_base_alignments (vinfo); @@ -2914,7 +2919,7 @@ bool vect_analyze_data_ref_accesses (vec_info *vinfo) { unsigned int i; - vec<data_reference_p> datarefs = vinfo->datarefs; + vec<data_reference_p> datarefs = vinfo->shared->datarefs; struct data_reference *dr; DUMP_VECT_SCOPE ("vect_analyze_data_ref_accesses"); @@ -4131,7 +4136,7 @@ vect_analyze_data_refs (vec_info *vinfo, poly_uint64 *min_vf) /* Go through the data-refs, check that the analysis succeeded. Update pointer from stmt_vec_info struct to DR and vectype. */ - vec<data_reference_p> datarefs = vinfo->datarefs; + vec<data_reference_p> datarefs = vinfo->shared->datarefs; FOR_EACH_VEC_ELT (datarefs, i, dr) { gimple *stmt; |