PATCH: PR target/35767: x86 backend uses aligned load on unaligned memory

[Paolo Bonzini]

H.J. Lu wrote:
> On Tue, May 27, 2008 at 8:30 AM, Paolo Bonzini <bonzini@gnu.org> wrote:
>>> +      if (TYPE_STRUCTURAL_EQUALITY_P (type))
>>> +       align = TYPE_ALIGN (type);
>>> +      else
>>> +       align = TYPE_ALIGN (TYPE_CANONICAL (type));
>> This seems very wrong.  TYPE_STRUCTURAL_EQUALITY_P and TYPE_CANONICAL should
>> only be used for C++, and you only included C test cases.  Do you actually
> 
> TYPE_CANONICAL is used in C:
> 
> /* Make a variant type in the proper way for C/C++, propagating qualifiers
>    down to the element type of an array.  */

Hm, this code originated in c-common.c; it seems like by the time it was 
moved to c-typeck.c, the canonical types were necessary for correctness 
in C too.  Interesting.

Paolo