[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH] PR jit/66812: Candidate fix for for the code generation issue, v1
On 9 July 2015 at 22:24, David Malcolm <dmalcolm@redhat.com> wrote:
> On Thu, 2015-07-09 at 17:15 -0400, David Malcolm wrote:
>> On Thu, 2015-07-09 at 17:06 -0400, David Malcolm wrote:
>>
>> (snip)
>>
>> > The fix will be to implement the LANG_HOOKS_GET_ALIAS_SET internal GCC
>> > API thus giving libgccjit some rules about aliasing. Some options:
>> >
>> > (i) make it identical to C.
>> > (ii) give the client code some control over this
>> >
>> > My initial gut feeling is to go with (i).
>>
>> ...or possibly to do what the link-time optimizer does, which is to use
>> this internal API:
>>
>> /* Return the typed-based alias set for T, which may be an expression
>> or a type. Return -1 if we don't do anything special. */
>>
>> alias_set_type
>> gimple_get_alias_set (tree t)
>>
>> which does almost all of what the C frontend does. I'll try to cook up
>> a patch.
>
> Attached is a patch [1] which fixes the minimal reproducer I created,
> and the reproducer you sent.
>
> Does it work for you?
>
I get this error when compiling:
In file included from ../../gcc-5.1.0/gcc/jit/dummy-frontend.c:54:0:
../../gcc-5.1.0/gcc/gimple.h: In function âvoid
gimple_call_set_fndecl(gimple, tree)â:
../../gcc-5.1.0/gcc/gimple.h:2769:77: error:
âbuild_fold_addr_expr_locâ was not declared in this scope
gimple_set_op (gs, 1, build_fold_addr_expr_loc (gimple_location (gs), decl));
^
Am I missing something?
Regards
Dibyendu