Mercurial > hg > graal-compiler
diff src/share/vm/opto/runtime.cpp @ 11080:b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
Summary: add intrinsics using new instruction to interpreter, C1, C2, for suitable x86; add test
Reviewed-by: kvn, twisti
| author | drchase |
|---|---|
| date | Tue, 02 Jul 2013 20:42:12 -0400 |
| parents | e76dd894b984 |
| children | 6b0fd0964b87 8b80b262e501 6cc7093e1341 |
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--- a/src/share/vm/opto/runtime.cpp Tue Jul 02 07:51:31 2013 +0200 +++ b/src/share/vm/opto/runtime.cpp Tue Jul 02 20:42:12 2013 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -829,6 +829,28 @@ return TypeFunc::make(domain, range); } +/** + * int updateBytesCRC32(int crc, byte* b, int len) + */ +const TypeFunc* OptoRuntime::updateBytesCRC32_Type() { + // create input type (domain) + int num_args = 3; + int argcnt = num_args; + const Type** fields = TypeTuple::fields(argcnt); + int argp = TypeFunc::Parms; + fields[argp++] = TypeInt::INT; // crc + fields[argp++] = TypePtr::NOTNULL; // src + fields[argp++] = TypeInt::INT; // len + assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); + const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); + + // result type needed + fields = TypeTuple::fields(1); + fields[TypeFunc::Parms+0] = TypeInt::INT; // crc result + const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields); + return TypeFunc::make(domain, range); +} + // for cipherBlockChaining calls of aescrypt encrypt/decrypt, four pointers and a length, returning void const TypeFunc* OptoRuntime::cipherBlockChaining_aescrypt_Type() { // create input type (domain)