Thank you Thomas So in order to set dp+Neon for armv8-r I should to use switch "neon-fp-armv8". Not an fpv5-d16. Right ?
On Fri, Jan 26, 2018 at 12:52 PM, Thomas Preudhomme <thomas.preudho...@foss.arm.com> wrote: > Hi Alexander, > > As mentioned in [1], Arm Cortex-R52 can have either single precision or > double precision + Neon. This is reflected in GCC 8 by -mcpu=cortex-r52 > defaulting to the latter (double precision + Neon) and > -mcpu=cortex-r52+nofp.dp giving you the former (single precision). > > [1] https://developer.arm.com/products/processors/cortex-r/cortex-r52 > > Best regards, > > Thomas > > > On 25/01/18 21:22, Alexander Fedotov wrote: >> >> Hi, >> As I understand from this >> https://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html current master >> branch doesn't have support of double-precision FPv5 floating-point >> instructions for ARMv8-R (Cortex-r52). >> If yes, are there any chances to see them in GCC 8 ? >> >> Alex >> > -- Best regards, AF
