6708714: Optimize long LShift on 32-bits x86
Summary: For small (1-3 bits) left long shifts in 32-bits VM use sets of add+addc instructions instead of shld+shl on new AMD cpus.
Reviewed-by: never
Contributed-by: shrinivas.joshi@amd.com
README:
This file should be located at the top of the hotspot Mercurial repository.
See http://openjdk.java.net/ for more information about the OpenJDK.
See ../README-builds.html for complete details on build machine requirements.
Simple Build Instructions:
cd make && gnumake
The files that will be imported into the jdk build will be in the "build"
directory.