Re: memset and host char requirement

2012-07-30 Thread Paulo J. Matos
On 26/07/12 15:04, Joseph S. Myers wrote: On Thu, 26 Jul 2012, Paulo J. Matos wrote: My target has 16bit chars. As I explained before, support for such targets is extremely limited and bitrotten (this applies whether it is BITS_PER_UNIT, CHAR_TYPE_SIZE or both that are not 8) and a large amou

Re: Problems with pragma and attribute optimize.

2012-07-30 Thread Allan Sandfeld Jensen
On Wednesday 25 July 2012, Richard Guenther wrote: > On Wed, Jul 25, 2012 at 4:25 PM, Allan Sandfeld Jensen > > wrote: > > On Wednesday 25 July 2012, Richard Guenther wrote: > >> On Wed, Jul 25, 2012 at 2:23 PM, Allan Sandfeld Jensen > >> > >> wrote: > >> > Hi, > >> > > >> > I have been experi

RE: Double word left shift optimisation

2012-07-30 Thread Jon Beniston
> This is interesting. I've quickly tried it out on the SH port. It can be > accomplished with the combine pass, although there are a few things that > should be taken care of: > - an "extendsidi2" pattern is required (so that the extension is not > performed before expand) > ... > One potentia

Re: graphite loop optimizer - "C" examples?

2012-07-30 Thread Richard Guenther
On Sun, Jul 29, 2012 at 7:33 PM, Gary Funck wrote: > > I have been experimenting with the graphite optimizer, based on GCC trunk, and > cloog-isl. I started with the attached simple "C" program, which has this > basic structure. > > #define N 2 > int a[N][N], b[N], c[N]; > [...] > for (i =