archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-20 11:04:34 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8073108: Use x86 and SPARC CPU instructions for GHASH acceleration

Browse source 
Reviewed-by: kvn, jrose
This commit is contained in:
Anthony Scarpino 2015-06-17 17:48:25 -07:00
parent 7c7b91845f
commit c4c528df14
24 changed files with 636 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

11
hotspot/src/cpu/sparc/vm/vm_version_sparc.cpp
View file

@ -300,6 +300,17 @@ void VM_Version::initialize() {
}
}
// GHASH/GCM intrinsics
if (has_vis3() && (UseVIS > 2)) {
if (FLAG_IS_DEFAULT(UseGHASHIntrinsics)) {
UseGHASHIntrinsics = true;
}
} else if (UseGHASHIntrinsics) {
if (!FLAG_IS_DEFAULT(UseGHASHIntrinsics))
warning("GHASH intrinsics require VIS3 insructions support. Intriniscs will be disabled");
FLAG_SET_DEFAULT(UseGHASHIntrinsics, false);
}
// SHA1, SHA256, and SHA512 instructions were added to SPARC T-series at different times
if (has_sha1() || has_sha256() || has_sha512()) {
if (UseVIS > 0) { // SHA intrinsics use VIS1 instructions