Re: [PATCH PR68542]

[Richard Biener <richard.guenther@gmail.com>]

On Mon, Jan 18, 2016 at 3:02 PM, Yuri Rumyantsev <ysrumyan@gmail.com> wrote:
> Thanks Richard.
>
> I changed the check on type as you proposed.
>
> What about the second back-end part of patch (it has been sent 08.12.15).

Can't see it in my inbox - can you reply to the mail with a ping?

Thanks,
Richard.

> Thanks.
> Yuri.
>
> 2016-01-18 15:44 GMT+03:00 Richard Biener <richard.guenther@gmail.com>:
>> On Mon, Jan 11, 2016 at 11:06 AM, Yuri Rumyantsev <ysrumyan@gmail.com> wrote:
>>> Hi Richard,
>>>
>>> Did you have anu chance to look at updated patch?
>>
>> diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c
>> index acbb70b..208a752 100644
>> --- a/gcc/tree-vrp.c
>> +++ b/gcc/tree-vrp.c
>> @@ -5771,6 +5771,10 @@ register_edge_assert_for (tree name, edge e,
>> gimple_stmt_iterator si,
>>                                                 &comp_code, &val))
>>      return;
>>
>> +  /* VRP doesn't track ranges for vector types.  */
>> +  if (TREE_CODE (TREE_TYPE (name)) == VECTOR_TYPE)
>> +    return;
>> +
>>
>> please instead fix extract_code_and_val_from_cond_with_ops with
>>
>> Index: gcc/tree-vrp.c
>> ===================================================================
>> --- gcc/tree-vrp.c      (revision 232506)
>> +++ gcc/tree-vrp.c      (working copy)
>> @@ -5067,8 +5067,9 @@ extract_code_and_val_from_cond_with_ops
>>    if (invert)
>>      comp_code = invert_tree_comparison (comp_code, 0);
>>
>> -  /* VRP does not handle float types.  */
>> -  if (SCALAR_FLOAT_TYPE_P (TREE_TYPE (val)))
>> +  /* VRP only handles integral and pointer types.  */
>> +  if (! INTEGRAL_TYPE_P (TREE_TYPE (val))
>> +      && ! POINTER_TYPE_P (TREE_TYPE (val)))
>>      return false;
>>
>>    /* Do not register always-false predicates.
>>
>> Ok with that change.
>>
>> Thanks,
>> Richard.
>>
>>> Thanks.
>>> Yuri.
>>>
>>> 2015-12-18 13:20 GMT+03:00 Yuri Rumyantsev <ysrumyan@gmail.com>:
>>>> Hi Richard,
>>>>
>>>> Here is updated patch for middle-end part of the whole patch which
>>>> fixes all your remarks I hope.
>>>>
>>>> Regression testing and bootstrapping did not show any new failures.
>>>> Is it OK for trunk?
>>>>
>>>> Yuri.
>>>>
>>>> ChangeLog:
>>>> 2015-12-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
>>>>
>>>> PR middle-end/68542
>>>> * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
>>>> of mixind vector and scalar types.
>>>> (fold_relational_const): Add handling of vector
>>>> comparison with boolean result.
>>>> * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
>>>> comparison of vector operands with boolean result for EQ/NE only.
>>>> (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
>>>> (verify_gimple_cond): Likewise.
>>>> * tree-ssa-forwprop.c (combine_cond_expr_cond): Do not perform