On Fri, Jun 24, 2011 at 7:17 AM, H.J. Lu wrote:
> On Fri, Jun 24, 2011 at 7:07 AM, Eric Botcazou wrote:
>>> I compared x32 glibc built with the old x32 gcc against x32 glibc built
>>> with this patch and
>>>
>>> http://gcc.gnu.org/ml/gcc-patches/2011-06/msg00913.html
>>>
>>> reverted, the new gli
On Fri, Jun 24, 2011 at 7:07 AM, Eric Botcazou wrote:
>> I compared x32 glibc built with the old x32 gcc against x32 glibc built
>> with this patch and
>>
>> http://gcc.gnu.org/ml/gcc-patches/2011-06/msg00913.html
>>
>> reverted, the new glibc is little smaller:
>>
>> New:
>>
>> [hjl@gnu-33 build-
> I compared x32 glibc built with the old x32 gcc against x32 glibc built
> with this patch and
>
> http://gcc.gnu.org/ml/gcc-patches/2011-06/msg00913.html
>
> reverted, the new glibc is little smaller:
>
> New:
>
> [hjl@gnu-33 build-x86_64-linux]$ size libc.so
>text data bss d
On Fri, Jun 24, 2011 at 1:58 AM, Eric Botcazou wrote:
>> I just don't see how nonzero_bits1 can assume if pointers extend unsigned
>> and this is an addition or subtraction to a pointer in Pmode, all the bits
>> bove ptr_mode are known to be zero. We never run into it before x32
>> since x32 is t
> I just don't see how nonzero_bits1 can assume if pointers extend unsigned
> and this is an addition or subtraction to a pointer in Pmode, all the bits
> bove ptr_mode are known to be zero. We never run into it before x32
> since x32 is the first such target.
I agree that this is overly optimist
On Wed, Jun 22, 2011 at 12:36:57PM -0700, H.J. Lu wrote:
> Hi,
>
> I just don't see how nonzero_bits1 can assume if pointers extend unsigned
> and this is an addition or subtraction to a pointer in Pmode, all the bits
> bove ptr_mode are known to be zero. We never run into it before x32
> since x
Hi,
I just don't see how nonzero_bits1 can assume if pointers extend unsigned
and this is an addition or subtraction to a pointer in Pmode, all the bits
bove ptr_mode are known to be zero. We never run into it before x32
since x32 is the first such target.
This patch deletes it. OK to install t
