Which Cortex-R you are targeting that supports both D16 and D32? Thanks, Joey
On Thu, Oct 17, 2013 at 3:13 PM, Sebastian Huber <sebastian.hu...@embedded-brains.de> wrote: > Hello, > > it seems that it is not possible to deduce from GCC built-in defines whether > we compile for the VFPv3-D16 or VFPv3-D32 floating point unit. > > touch empty.c > > arm-eabi-gcc -march=armv7-r -mfpu=vfpv3-d16 -mfloat-abi=hard -E -P -v -dD > empty.c > vfpv3-d16.txt > > arm-eabi-gcc -march=armv7-r -mfpu=vfpv3 -mfloat-abi=hard -E -P -v -dD > empty.c > vfpv3-d32.txt > > diff vfpv3-d16.txt vfpv3-d32.txt > > Is it possible to add a built-in define for this? Or as an alternative is > it possible to use a GCC configuration target specific multi-lib define that > indicates it? > > I want to use such a compiler provided define to determine how the context > switch support in an operating system should look like. > > -- > Sebastian Huber, embedded brains GmbH > > Address : Dornierstr. 4, D-82178 Puchheim, Germany > Phone : +49 89 189 47 41-16 > Fax : +49 89 189 47 41-09 > E-Mail : sebastian.hu...@embedded-brains.de > PGP : Public key available on request. > > Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
