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Diffstat (limited to 'gcc/tree-vect-loop-manip.cc')
| -rw-r--r-- | gcc/tree-vect-loop-manip.cc | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/gcc/tree-vect-loop-manip.cc b/gcc/tree-vect-loop-manip.cc index 4696943..2d01a4b 100644 --- a/gcc/tree-vect-loop-manip.cc +++ b/gcc/tree-vect-loop-manip.cc @@ -2859,7 +2859,19 @@ vect_gen_vector_loop_niters (loop_vec_info loop_vinfo, tree niters, we have to represent the vector niter TYPE_MAX_VALUE + 1 / vf. */ if (stmts != NULL && const_vf > 0) { - if (niters_no_overflow) + if (niters_no_overflow + && LOOP_VINFO_USING_PARTIAL_VECTORS_P (loop_vinfo)) + { + int_range<1> vr (type, + wi::one (TYPE_PRECISION (type)), + wi::div_ceil (wi::max_value + (TYPE_PRECISION (type), + TYPE_SIGN (type)), + const_vf, + TYPE_SIGN (type))); + set_range_info (niters_vector, vr); + } + else if (niters_no_overflow) { int_range<1> vr (type, wi::one (TYPE_PRECISION (type)), |