Re: PATCH: Support .quad for x32

["Jan Beulich" <JBeulich at novell dot com>]

>>> On 29.03.11 at 15:05, "H.J. Lu" <hjl.tools@gmail.com> wrote:
> On Tue, Mar 29, 2011 at 6:03 AM, Jan Beulich <JBeulich@novell.com> wrote:
>>>>> On 29.03.11 at 14:51, "H.J. Lu" <hjl.tools@gmail.com> wrote:
>>> On Tue, Mar 29, 2011 at 1:35 AM, Jan Beulich <JBeulich@novell.com> wrote:
>>>>>>> On 29.03.11 at 00:51, "H.J. Lu" <hongjiu.lu@intel.com> wrote:
>>>> Looks more like a compiler bug than something that needs fixing in
>>>
>>> Reload generates 64bit symbol address in constant pool.  I decided it
>>> is a nice optimization for x32.  Otherwise, we have to do it like ia32. See:
>>>
>>> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47958 
>>>
>>>> binutils. If programming in assembly, using .quad may be intended
>>>
>>> handle_quad has
>>>
>>>   if (x86_elf_abi != X86_64_X32_ABI)
>>>     {
>>>       cons (nbytes);
>>>       return;
>>>     }
>>>
>>> It only applies to x32.
>>
>> Are you suggesting that no-one should write assembly code for x32?
>>
> 
> Do you have a testcase to show a problem?

I don't have one at hand, but I described what I suppose wouldn't
work in one of my previous replies. Constructing a test case from
that shouldn't be hard...

Jan