hg: jdk9/hs-comp/hotspot: 8029302: Performance regression in Math.pow intrinsic

[niclas.adlertz at oracle.com]

Changeset: 6a81ae43d3a3
Author:    adlertz
Date:      2014-04-25 12:48 +0200
URL:       http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/6a81ae43d3a3

8029302: Performance regression in Math.pow intrinsic
Summary: Added special case for x^y where y == 2
Reviewed-by: kvn, roland

! src/cpu/x86/vm/macroAssembler_x86.cpp
! src/share/vm/opto/library_call.cpp