tree e35272e67b6143d0f408743ceb87337fce555406
parent 8b2503d5f54e49608f2b2abfb7d5449288e801b1
author Shenghou Ma <minux@golang.org> 1428099326 -0400
committer Minux Ma <minux@golang.org> 1428104880 +0000

math, cmd/internal/gc, cmd/7g: enable SQRT inlining, add assembly implementation

benchmark                 old ns/op     new ns/op     delta
BenchmarkSqrt             474           16.5          -96.52%
BenchmarkSqrtIndirect     476           38.1          -92.00%
BenchmarkSqrtGo           484           483           -0.21%

Change-Id: I5ad0132feda0d3275a884523b9e79d83db4fc726
Signed-off-by: Shenghou Ma <minux@golang.org>
Reviewed-on: https://go-review.googlesource.com/8465
Reviewed-by: David Crawshaw <crawshaw@golang.org>