Re: Power 8 in-core crypto not working as expected

2017-09-07 Thread David Edelsohn
On Thu, Sep 7, 2017 at 7:40 AM, R0b0t1 wrote: > Full disclosure: despite my interest in the architecture I have not > been able to get access to a POWER8 machine. A server costs about as > much as a new car. Any account reseller recommendations or any other > options you can think of? If you don'

Re: Power 8 in-core crypto not working as expected

2017-09-07 Thread R0b0t1
On Thu, Sep 7, 2017 at 1:10 AM, Jeffrey Walton wrote: > On Thu, Sep 7, 2017 at 1:39 AM, R0b0t1 wrote: >> On Wed, Sep 6, 2017 at 11:37 PM, Jeffrey Walton wrote: >>> Hi Everyone, >>> >>> I'm on gcc rather than gcc-help because we need to talk with some GCC >>> devs who can help take this further.

Re: Power 8 in-core crypto not working as expected

2017-09-07 Thread Segher Boessenkool
Hi! On Thu, Sep 07, 2017 at 12:37:33AM -0400, Jeffrey Walton wrote: > I have implementation for AES on Power 8 using GCC's built-ins. Its > available for inspection and download at > https://github.com/noloader/AES-Power8. The problem is, it does not > arrive at the correct results on GCC112 (ppc6

Announce: GNU MPFR 3.1.6 is released

2017-09-07 Thread Vincent Lefevre
GNU MPFR 3.1.6 ("canard à l'orange", patch level 6), a C library for multiple-precision floating-point computations with correct rounding, is now available for download from the MPFR web site: http://www.mpfr.org/mpfr-3.1.6/ from InriaForge: https://gforge.inria.fr/projects/mpfr/ and from t

Re: Power 8 in-core crypto not working as expected

2017-09-07 Thread Jeffrey Walton
On Thu, Sep 7, 2017 at 4:38 AM, Segher Boessenkool wrote: > Hi! > > On Thu, Sep 07, 2017 at 12:37:33AM -0400, Jeffrey Walton wrote: >> I have implementation for AES on Power 8 using GCC's built-ins. Its >> available for inspection and download at >> https://github.com/noloader/AES-Power8. The prob

Re: Power 8 in-core crypto not working as expected

2017-09-07 Thread Paul.Koning
> On Sep 7, 2017, at 10:35 AM, Jeffrey Walton wrote: > > On Thu, Sep 7, 2017 at 4:38 AM, Segher Boessenkool > wrote: >> Hi! >> >> On Thu, Sep 07, 2017 at 12:37:33AM -0400, Jeffrey Walton wrote: >>> I have implementation for AES on Power 8 using GCC's built-ins. Its >>> available for inspection

Re: assuming signed overflow does not occur

2017-09-07 Thread Bruce Korb
On 09/04/17 08:54, Manuel López-Ibáñez wrote: > I wrote an explanation of the current status of Wstrict-overflow to the > best of my knowledge: > https://gcc.gnu.org/wiki/VerboseDiagnostics#Wstrict_overflow > > I didn't mention GIMPLE because it is often the case that the root of > the problem i

gcc-7-20170907 is now available

2017-09-07 Thread gccadmin
Snapshot gcc-7-20170907 is now available on ftp://gcc.gnu.org/pub/gcc/snapshots/7-20170907/ and on various mirrors, see http://gcc.gnu.org/mirrors.html for details. This snapshot has been generated from the GCC 7 SVN branch with the following options: svn://gcc.gnu.org/svn/gcc/branches/gcc-7