Re: [PATCH V3] RISC-V: Fix bug of pre-calculated const vector mask for VNx1BI, VNx2BI and VNx4BI

[Richard Sandiford via Gcc-patches]

Kito Cheng <kito.ch...@gmail.com> writes:
> Hi Robin:
>
>> diff --git a/gcc/lto/lto-lang.cc b/gcc/lto/lto-lang.cc
>> index 52d7626e92e..14d419c2013 100644
>> --- a/gcc/lto/lto-lang.cc
>> +++ b/gcc/lto/lto-lang.cc
>> @@ -1050,7 +1050,7 @@ lto_type_for_mode (machine_mode mode, int unsigned_p)
>>    else if (GET_MODE_CLASS (mode) == MODE_VECTOR_BOOL
>>            && valid_vector_subparts_p (GET_MODE_NUNITS (mode)))
>>      {
>> -      unsigned int elem_bits = vector_element_size (GET_MODE_BITSIZE (mode),
>> +      unsigned int elem_bits = vectwhereor_element_size (GET_MODE_PRECISION 
>> (mode),
>
> This seems weird?

FWIW, I bootstrapped & regression-tested the patch with that fixed
on aarch64-linux-gnu (all languages).

So OK with the above fixed from my POV.

Thanks,
Richard

>
>>                                                     GET_MODE_NUNITS (mode));
>>        tree bool_type = build_nonstandard_boolean_type (elem_bits);
>>        return build_vector_type_for_mode (bool_type, mode);