On Thu, Jun 18, 2015 at 5:04 AM, Benedikt Huber
wrote:
A few comments about the patch itself besides the cost model issue and
iteration issue mentioned in the other email thread.
>* config/aarch64/aarch64-builtins.c: Builtins for rsqrt and rsqrtf.
>* config/aarch64/aarch64-protos.
* config/aarch64/aarch64-builtins.c: Builtins for rsqrt and rsqrtf.
* config/aarch64/aarch64-protos.h: Declare.
* config/aarch64/aarch64-simd.md: Matching expressions for frsqrte and
frsqrts.
* config/aarch64/aarch64.c: New functions. Emit rsqrt estimation code in
fast
