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8205528: Base64 encoding algorithm using AVX512 instructions

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Reviewed-by: kvn, psandoz
This commit is contained in:
Smita Kamath 2018-06-27 20:21:42 -07:00 • committed by Vladimir Kozlov
parent a937d2876b
commit 3feaefd75f
28 changed files with 1851 additions and 23 deletions
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32
src/hotspot/share/opto/library_call.cpp
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@ -298,6 +298,7 @@ class LibraryCallKit : public GraphKit {
Node* get_key_start_from_aescrypt_object(Node* aescrypt_object);
Node* get_original_key_start_from_aescrypt_object(Node* aescrypt_object);
bool inline_ghash_processBlocks();
bool inline_base64_encodeBlock();
bool inline_sha_implCompress(vmIntrinsics::ID id);
bool inline_digestBase_implCompressMB(int predicate);
bool inline_sha_implCompressMB(Node* digestBaseObj, ciInstanceKlass* instklass_SHA,
@ -833,6 +834,8 @@ bool LibraryCallKit::try_to_inline(int predicate) {
case vmIntrinsics::_ghash_processBlocks:
return inline_ghash_processBlocks();
case vmIntrinsics::_base64_encodeBlock:
return inline_base64_encodeBlock();
case vmIntrinsics::_encodeISOArray:
case vmIntrinsics::_encodeByteISOArray:
@ -6084,6 +6087,35 @@ bool LibraryCallKit::inline_ghash_processBlocks() {
return true;
}
bool LibraryCallKit::inline_base64_encodeBlock() {
address stubAddr;
const char *stubName;
assert(UseBASE64Intrinsics, "need Base64 intrinsics support");
assert(callee()->signature()->size() == 6, "base64_encodeBlock has 6 parameters");
stubAddr = StubRoutines::base64_encodeBlock();
stubName = "encodeBlock";
if (!stubAddr) return false;
Node* base64obj = argument(0);
Node* src = argument(1);
Node* offset = argument(2);
Node* len = argument(3);
Node* dest = argument(4);
Node* dp = argument(5);
Node* isURL = argument(6);
Node* src_start = array_element_address(src, intcon(0), T_BYTE);
assert(src_start, "source array is NULL");
Node* dest_start = array_element_address(dest, intcon(0), T_BYTE);
assert(dest_start, "destination array is NULL");
Node* base64 = make_runtime_call(RC_LEAF,
OptoRuntime::base64_encodeBlock_Type(),
stubAddr, stubName, TypePtr::BOTTOM,
src_start, offset, len, dest_start, dp, isURL);
return true;
}
//------------------------------inline_sha_implCompress-----------------------
//
// Calculate SHA (i.e., SHA-1) for single-block byte[] array.