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8134553: CRC32C implementations for x86/x64 targets

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Reviewed-by: kvn
This commit is contained in:
Tomasz Wojtowicz 2015-09-16 15:54:32 -07:00 • committed by Vladimir Kozlov
parent d49d1ea740
commit 61b77b8590
24 changed files with 1092 additions and 19 deletions
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19
hotspot/src/share/vm/interpreter/interpreter.cpp
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@ -234,6 +234,13 @@ AbstractInterpreter::MethodKind AbstractInterpreter::method_kind(methodHandle m)
case vmIntrinsics::_updateByteBufferCRC32 : return java_util_zip_CRC32_updateByteBuffer;
}
}
if (UseCRC32CIntrinsics) {
// Use optimized stub code for CRC32C methods.
switch (m->intrinsic_id()) {
case vmIntrinsics::_updateBytesCRC32C : return java_util_zip_CRC32C_updateBytes;
case vmIntrinsics::_updateDirectByteBufferCRC32C : return java_util_zip_CRC32C_updateDirectByteBuffer;
}
}
switch(m->intrinsic_id()) {
case vmIntrinsics::_intBitsToFloat: return java_lang_Float_intBitsToFloat;
@ -349,6 +356,8 @@ void AbstractInterpreter::print_method_kind(MethodKind kind) {
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;
case java_util_zip_CRC32C_updateBytes : tty->print("java_util_zip_CRC32C_updateBytes"); break;
case java_util_zip_CRC32C_updateDirectByteBuffer: tty->print("java_util_zip_CRC32C_updateDirectByteByffer"); break;
default:
if (kind >= method_handle_invoke_FIRST &&
kind <= method_handle_invoke_LAST) {
@ -567,6 +576,10 @@ address InterpreterGenerator::generate_method_entry(
: // fall thru
case Interpreter::java_util_zip_CRC32_updateByteBuffer
: entry_point = generate_CRC32_updateBytes_entry(kind); break;
case Interpreter::java_util_zip_CRC32C_updateBytes
: // fall thru
case Interpreter::java_util_zip_CRC32C_updateDirectByteBuffer
: entry_point = generate_CRC32C_updateBytes_entry(kind); break;
#if defined(TARGET_ARCH_x86) && !defined(_LP64)
// On x86_32 platforms, a special entry is generated for the following four methods.
// On other platforms the normal entry is used to enter these methods.
@ -582,9 +595,9 @@ address InterpreterGenerator::generate_method_entry(
case Interpreter::java_lang_Float_intBitsToFloat:
case Interpreter::java_lang_Float_floatToRawIntBits:
case Interpreter::java_lang_Double_longBitsToDouble:
case Interpreter::java_lang_Double_doubleToRawLongBits:
entry_point = generate_native_entry(false);
break;
case Interpreter::java_lang_Double_doubleToRawLongBits:
entry_point = generate_native_entry(false);
break;
#endif // defined(TARGET_ARCH_x86) && !defined(_LP64)
#endif // CC_INTERP
default: