[PATCH v8][aarch64] Implemented reciprocal square root (rsqrt) estimation in -ffast-math

[Benedikt Huber]

This eighth revision of the patch:
 * Style improvements.

Ok for check in.


Benedikt Huber (1):
  2015-10-15  Benedikt Huber  <benedikt.huber@theobroma-systems.com>    
    	    Philipp Tomsich  <philipp.tomsich@theobroma-systems.com>

 gcc/ChangeLog                                      |  20 ++++
 gcc/config/aarch64/aarch64-builtins.c              | 115 +++++++++++++++++++++
 gcc/config/aarch64/aarch64-protos.h                |   4 +
 gcc/config/aarch64/aarch64-simd.md                 |  27 +++++
 gcc/config/aarch64/aarch64-tuning-flags.def        |   1 +
 gcc/config/aarch64/aarch64.c                       | 107 ++++++++++++++++++-
 gcc/config/aarch64/aarch64.md                      |   3 +
 gcc/config/aarch64/aarch64.opt                     |   5 +
 gcc/doc/invoke.texi                                |  12 +++
 gcc/testsuite/gcc.target/aarch64/rsqrt_1.c         | 111 ++++++++++++++++++++
 .../gcc.target/aarch64/rsqrt_asm_check_1.c         |  25 +++++
 .../gcc.target/aarch64/rsqrt_asm_check_common.h    |  42 ++++++++
 .../aarch64/rsqrt_asm_check_negative_1.c           |  12 +++
 13 files changed, 482 insertions(+), 2 deletions(-)
 create mode 100644 gcc/testsuite/gcc.target/aarch64/rsqrt_1.c
 create mode 100644 gcc/testsuite/gcc.target/aarch64/rsqrt_asm_check_1.c
 create mode 100644 gcc/testsuite/gcc.target/aarch64/rsqrt_asm_check_common.h
 create mode 100644 gcc/testsuite/gcc.target/aarch64/rsqrt_asm_check_negative_1.c

-- 
1.9.1