Mercurial > hg > truffle
diff src/share/vm/interpreter/interpreter.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 | a5de0cc2f91c |
| children | 6b0fd0964b87 bd3237e0e18d |
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--- a/src/share/vm/interpreter/interpreter.cpp Tue Jul 02 07:51:31 2013 +0200 +++ b/src/share/vm/interpreter/interpreter.cpp Tue Jul 02 20:42:12 2013 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 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 @@ -195,6 +195,17 @@ return kind; } +#ifndef CC_INTERP + if (UseCRC32Intrinsics && m->is_native()) { + // Use optimized stub code for CRC32 native methods. + switch (m->intrinsic_id()) { + case vmIntrinsics::_updateCRC32 : return java_util_zip_CRC32_update; + case vmIntrinsics::_updateBytesCRC32 : return java_util_zip_CRC32_updateBytes; + case vmIntrinsics::_updateByteBufferCRC32 : return java_util_zip_CRC32_updateByteBuffer; + } + } +#endif + // Native method? // Note: This test must come _before_ the test for intrinsic // methods. See also comments below. @@ -297,6 +308,9 @@ case java_lang_math_sqrt : tty->print("java_lang_math_sqrt" ); break; case java_lang_math_log : tty->print("java_lang_math_log" ); break; case java_lang_math_log10 : tty->print("java_lang_math_log10" ); break; + case java_util_zip_CRC32_update : tty->print("java_util_zip_CRC32_update"); break; + case java_util_zip_CRC32_updateBytes : tty->print("java_util_zip_CRC32_updateBytes"); break; + case java_util_zip_CRC32_updateByteBuffer : tty->print("java_util_zip_CRC32_updateByteBuffer"); break; default: if (kind >= method_handle_invoke_FIRST && kind <= method_handle_invoke_LAST) {