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Diffstat (limited to 'gcc/tree-vect-patterns.cc')
| -rw-r--r-- | gcc/tree-vect-patterns.cc | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/tree-vect-patterns.cc b/gcc/tree-vect-patterns.cc index a8f96d5..217bdfd 100644 --- a/gcc/tree-vect-patterns.cc +++ b/gcc/tree-vect-patterns.cc @@ -929,8 +929,10 @@ vect_reassociating_reduction_p (vec_info *vinfo, with conditions: 1) @1, @2, c, d, a, b are all integral type. 2) There's single_use for both @1 and @2. - 3) a, c and d have same precision. + 3) a, c have same precision. 4) c and @1 have different precision. + 5) c, d are the same type or they can differ in sign when convert is + truncation. record a and c and d and @3. */ @@ -952,7 +954,7 @@ extern bool gimple_cond_expr_convert_p (tree, tree*, tree (*)(tree)); TYPE_PRECISION (TYPE_E) != TYPE_PRECISION (TYPE_CD); TYPE_PRECISION (TYPE_AB) == TYPE_PRECISION (TYPE_CD); single_use of op_true and op_false. - TYPE_AB could differ in sign. + TYPE_AB could differ in sign when (TYPE_E) A is a truncation. Input: |