diff options
Diffstat (limited to 'gcc-4.9/gcc/tree-vect-loop.c')
| -rw-r--r-- | gcc-4.9/gcc/tree-vect-loop.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/gcc-4.9/gcc/tree-vect-loop.c b/gcc-4.9/gcc/tree-vect-loop.c index 1c78e114f..4204907a1 100644 --- a/gcc-4.9/gcc/tree-vect-loop.c +++ b/gcc-4.9/gcc/tree-vect-loop.c @@ -1629,6 +1629,7 @@ vect_analyze_loop_2 (loop_vec_info loop_vinfo) int max_vf = MAX_VECTORIZATION_FACTOR; int min_vf = 2; unsigned int th; + unsigned int n_stmts = 0; /* Find all data references in the loop (which correspond to vdefs/vuses) and analyze their evolution in the loop. Also adjust the minimal @@ -1637,7 +1638,7 @@ vect_analyze_loop_2 (loop_vec_info loop_vinfo) FORNOW: Handle only simple, array references, which alignment can be forced, and aligned pointer-references. */ - ok = vect_analyze_data_refs (loop_vinfo, NULL, &min_vf); + ok = vect_analyze_data_refs (loop_vinfo, NULL, &min_vf, &n_stmts); if (!ok) { if (dump_enabled_p ()) @@ -1747,7 +1748,7 @@ vect_analyze_loop_2 (loop_vec_info loop_vinfo) } /* Check the SLP opportunities in the loop, analyze and build SLP trees. */ - ok = vect_analyze_slp (loop_vinfo, NULL); + ok = vect_analyze_slp (loop_vinfo, NULL, n_stmts); if (ok) { /* Decide which possible SLP instances to SLP. */ @@ -3951,8 +3952,12 @@ vect_create_epilog_for_reduction (vec<tree> vect_defs, gimple stmt, /* Set phi nodes arguments. */ FOR_EACH_VEC_ELT (reduction_phis, i, phi) { - tree vec_init_def = vec_initial_defs[i]; - tree def = vect_defs[i]; + tree vec_init_def, def; + gimple_seq stmts; + vec_init_def = force_gimple_operand (vec_initial_defs[i], &stmts, + true, NULL_TREE); + gsi_insert_seq_on_edge_immediate (loop_preheader_edge (loop), stmts); + def = vect_defs[i]; for (j = 0; j < ncopies; j++) { /* Set the loop-entry arg of the reduction-phi. */ |