Re: RTABI half-precision conversion functions (ping)

2014-06-24 Thread Julian Brown
On Thu, 29 May 2014 11:16:52 +0100 Julian Brown wrote: > On Thu, 19 Jul 2012 14:47:54 +0100 > Julian Brown wrote: > > > On Thu, 19 Jul 2012 13:54:57 +0100 > > Paul Brook wrote: > > > > > > But, that means EABI-conformant callers are also perfectly > > > > entitled to sign-extend half-float va

Re: RTABI half-precision conversion functions (ping)

2014-05-29 Thread Julian Brown
On Thu, 19 Jul 2012 14:47:54 +0100 Julian Brown wrote: > On Thu, 19 Jul 2012 13:54:57 +0100 > Paul Brook wrote: > > > > But, that means EABI-conformant callers are also perfectly > > > entitled to sign-extend half-float values before calling our > > > helper functions (although GCC itself won't

Re: RTABI half-precision conversion functions (ping)

2012-07-19 Thread Julian Brown
On Thu, 19 Jul 2012 13:54:57 +0100 Paul Brook wrote: > > But, that means EABI-conformant callers are also perfectly entitled > > to sign-extend half-float values before calling our helper functions > > (although GCC itself won't do that). Using "unsigned int" and taking > > care to only examine t

Re: RTABI half-precision conversion functions (ping)

2012-07-19 Thread Paul Brook
> Hi, > > The patch that Andrew Stubbs sent upstream here: > > http://gcc.gnu.org/ml/gcc-patches/2011-04/msg02130.html > > seems to have become stalled after Ramana's question here: > > http://gcc.gnu.org/ml/gcc-patches/2011-05/msg00291.html > > This was discussed with ARM personnel (i.e. Lee

RTABI half-precision conversion functions (ping)

2012-07-19 Thread Julian Brown
Hi, The patch that Andrew Stubbs sent upstream here: http://gcc.gnu.org/ml/gcc-patches/2011-04/msg02130.html seems to have become stalled after Ramana's question here: http://gcc.gnu.org/ml/gcc-patches/2011-05/msg00291.html This was discussed with ARM personnel (i.e. Lee Smith) at the time the