RE: [PATCH][newlib][ARM] Add arm directory to libm, use vrint for standard rounding functions

["Kyrylo Tkachov" <kyrylo dot tkachov at arm dot com>]

Ping^2.

Thanks,
Kyrill

> -----Original Message-----
> From: newlib-owner@sourceware.org [mailto:newlib-owner@sourceware.org]
> On Behalf Of Kyrylo Tkachov
> Sent: 23 November 2012 09:46
> To: newlib@sourceware.org
> Cc: nickc@redhat.com
> Subject: RE: [PATCH][newlib][ARM] Add arm directory to libm, use vrint
> for standard rounding functions
> 
> Ping.
> 
> http://sourceware.org/ml/newlib/2012/msg00479.html
> 
> Thanks,
> Kyrill
> 
> -----Original Message-----
> From: newlib-owner@sourceware.org [mailto:newlib-owner@sourceware.org]
> On
> Behalf Of Kyrylo Tkachov
> Sent: 16 November 2012 11:39
> To: newlib@sourceware.org
> Cc: corinna@vinschen.de; nickc@redhat.com
> Subject: [PATCH][newlib][ARM] Add arm directory to libm, use vrint for
> standard rounding functions
> 
> Hi all,
> 
> This patch adds ARM-specific support for the single and double
> precision
> libm functions: ceil, floor, nearbyint, rint, round, trunk.
> These functions can be implemented using the vrint family of
> instructions
> introduced in ARMv8 so we use those when the target supports it,
> otherwise
> we revert to the generic implementations.
> If approved, can the commiter please generate/regenerate the
> appropriate
> files?
> An arm directory is added to libm/machine. The following files need to
> be
> generated with autoconf/automake:
> * libm/machine/arm/Makefile.in
> * libm/machine/arm/aclocal.m4
> * libm/machine/arm/configure
> 
> The file
> * libm/machine/configure needs to be regenerated.
> 
> The patch has been tested with an arm-eabi toolchain running on a
> model. It
> is for the AArch32 / ARM backend of newlib.
> 
> Thanks,
> Kyrill
> 
> P.S. I had sent this to a wrong address before... Sorry if you received
> this
> multiple times.
> 
> newlib/ChangeLog
> 
> 2012-11-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
> 
> 	* configure.host: Define libm_machine_dir value for arm.
> 	* libm/machine/configure.in: Add arm to libm machines list.
> 	* libm/machine/configure: Regenerate.
> 	* libm/machine/arm/Makefile.am: New file.
> 	* libm/machine/arm/Makefile.in: Generated.
> 	* libm/machine/arm/aclocal.m4: Generated.
> 	* libm/machine/arm/configure: Generated.
> 	* libm/machine/arm/configure.in: New file.
> 	* libm/machine/arm/s_ceil.c: Likewise.
> 	* libm/machine/arm/s_floor.c: Likewise.
> 	* libm/machine/arm/s_nearbyint.c: Likewise.
> 	* libm/machine/arm/s_rint.c: Likewise.
> 	* libm/machine/arm/s_round.c: Likewise.
> 	* libm/machine/arm/s_trunc.c: Likewise.
> 	* libm/machine/arm/sf_ceil.c: Likewise.
> 	* libm/machine/arm/sf_floor.c: Likewise.
> 	* libm/machine/arm/sf_nearbyint.c: Likewise.
> 	* libm/machine/arm/sf_rint.c: Likewise.
> 	* libm/machine/arm/sf_round.c: Likewise.
> 	* libm/machine/arm/sf_trunc.c: Likewise.
> 
> 
>