[PATCH] Enable non-complex math builtins from C99 for Bionic

[Alexander Ivchenko]

Just to confirm that the patch successfully regtested on
x86_64-unknown-linux-gnu.


thanks,
Alexander

2013/7/29 Alexander Ivchenko <aivchenk@gmail.com>:
> 2013/7/28 Michael Eager <eager@eagerm.com>:
>> On 07/27/13 15:18, Alexander Ivchenko wrote:
>>>
>>> Hi Joseph, thanks for your comments.
>>>
>>> I updated the patch:
>>
>>
>>>
>>> 2013/7/9 Joseph S. Myers <joseph@codesourcery.com>:
>>
>>
>>>>
>>>> * It looks rather like microblaze*-*-* don't use elfos.h, so meaning
>>>> semantics aren't preserved for those (non-Linux) targets either.  Now, I
>>>> don't know if there's a good reason for not using that file (ask the
>>>> architecture maintainer), but in any case semantics should be preserved.
>>
>>
>>
>> I don't know why microblaze does not include elfos.h.   It looks like
>> it should, to be consistent with other targets.  This would require some
>> cleanup and verification.
>>
>> Your patch adds the following to microblaze.h, duplicating the change
>> to elfos.h:
>> +/* microblaze-unknown-elf target has no support of C99 runtime */
>> +#undef TARGET_LIBC_HAS_FUNCTION
>> +#define TARGET_LIBC_HAS_FUNCTION no_c99_libc_has_function
>>
>> I'm assuming that this means that no other change to microblaze is
>> needed and the question about elfos.h is moot.
>
> Yes, with this change in my patch the semantics for
> microblaze-unknown-elf is preserved. As for
> microblaze-unknown-linux-gnu case - the
> "linux_android_libc_has_function" version of TARGET_LIBC_HAS_FUNCTION
> from linux.h will be used, so the semantics is preserved as well.
>
> --Alexander