[PATCH 0/3][AArch64] Add infrastructure for more approximate FP operations

[Evandro Menezes]

This patch suite increases the granularity of target selections of 
approximate FP operations and adds the options of emitting approximate 
square root and division.

The full suite is contained in the emails tagged:
1.

   [PATCH 1/3][AArch64] Add more choices for the reciprocal square root 
approximation

2.

   [PATCH 2/3][AArch64] Emit square root using the Newton series

3.

   [PATCH 3/3][AArch64] Emit division using the Newton series


Thank you,

--
Evandro Menezes