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Date: Sat, 19 Feb 2011 22:01:00 -0000
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Subject: Re: x32 psABI status update
From: "H.J. Lu" <hjl.tools@gmail.com>
To: GCC Development <gcc@gcc.gnu.org>, Binutils <binutils@sourceware.org>, 	GNU C Library <libc-alpha@sourceware.org>, x32-abi@googlegroups.com
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On Fri, Feb 18, 2011 at 8:28 PM, H.J. Lu <hjl.tools@gmail.com> wrote:
> On Wed, Feb 16, 2011 at 9:45 PM, H.J. Lu <hjl.tools@gmail.com> wrote:
>> On Wed, Feb 16, 2011 at 11:22 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
>>> Hi,
>>>
>>> I updated =A0x32 psABI draft to version 0.2 to change x32 library path
>>> from lib32 to libx32 since lib32 is used for ia32 libraries on Debian,
>>> Ubuntu and other derivative distributions. The new x32 psABI is
>>> available from:
>>>
>>> https://sites.google.com/site/x32abi/home
>>>
>>
>> Initial kernel, glibc and gcc port for x32 psABI draft version 0.2 =A0is=
 done:
>>
>> 1. Kernel should be very stable. =A0Fedora 14 kernel patch is also avail=
able.
>> 2. Need to fix GCC run-time libraries.
>> 3. Need to fix glibc tests.
>>
>> Please check them out and provide feed backs.
>
> I updated x32 website:
>
> https://sites.google.com/site/x32abi/
>
> with "get started" instructions.
>

I update the x32 website

https://sites.google.com/site/x32abi/

with data on mcf in SPEC CPU 2K:

    * 181.mcf from SPEC CPU 2000:
          o Intel Core i7
                + ~32% faster than x86-64.
                + ~1% slower than ia32.
                + Sizes in bytes:

                           text       data        bss        dec
 hex    filename
                       12155        336       7036      19527
4c47    mcf.32
                       12421        664      13568      26653
681d    mcf.64
                       11583        412       7040      19035
4a5b    mcf.x32

          o Intel Atom
                + ~28% faster than x86-64.
                + ~0.5% slower than ia32.
                + Sizes in bytes:

                           text       data        bss        dec
 hex    filename
                        12059        336       7036      19431
4be7    mcf.32
                        12341        664      13568      26573
67cd    mcf.64
                        11411        412       7040      18863
49af    mcf.x32


--=20
H.J.