tree edd83c99708d5cc97a3963754cb0f2faa3690b2f
parent 8a044e6e632b6221b8a0dc2df918d7b01a77fb98
author Elliott Hughes <enh@google.com> 1439586270 -0700
committer Steve Kondik <steve@cyngn.com> 1446889352 -0800

Use __builtin_* in <math.h>.

Also remove cruft meant to support long-obsolete compilers. More
benchmarks.

Bug: http://b/23195789
Change-Id: Ief538e41e77a77e8013b2f4f359584e8df2c47d8