git: openjdk/jdk: 8265940: Enable C2's optimization for Math.pow(x, 0.5) on all platforms

[Jie Fu]

Changeset: 91226fa1
Author:    Jie Fu <jiefu at openjdk.org>
Date:      2021-04-29 07:01:15 +0000
URL:       https://git.openjdk.java.net/jdk/commit/91226fa12247765f53469ad8db02db7b7b23aaf1

8265940: Enable C2's optimization for Math.pow(x, 0.5) on all platforms

Reviewed-by: neliasso, kvn

! src/hotspot/cpu/x86/macroAssembler_x86_pow.cpp
! src/hotspot/share/opto/library_call.cpp
! test/hotspot/jtreg/compiler/intrinsics/math/TestPow0Dot5Opt.java