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8068977: Remove unused sun.misc.Unsafe prefetch intrinsic support

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Reviewed-by: kvn, vlivanov
This commit is contained in:
Paul Sandoz 2015-02-10 21:32:05 +01:00
parent cc1c11c366
commit c002e71565
31 changed files with 31 additions and 591 deletions
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31
hotspot/src/share/vm/c1/c1_LIRGenerator.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2005, 2014, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2005, 2015, 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
@ -2385,35 +2385,6 @@ void LIRGenerator::do_UnsafePutObject(UnsafePutObject* x) {
}
void LIRGenerator::do_UnsafePrefetch(UnsafePrefetch* x, bool is_store) {
LIRItem src(x->object(), this);
LIRItem off(x->offset(), this);
src.load_item();
if (off.is_constant() && can_inline_as_constant(x->offset())) {
// let it be a constant
off.dont_load_item();
} else {
off.load_item();
}
set_no_result(x);
LIR_Address* addr = generate_address(src.result(), off.result(), 0, 0, T_BYTE);
__ prefetch(addr, is_store);
}
void LIRGenerator::do_UnsafePrefetchRead(UnsafePrefetchRead* x) {
do_UnsafePrefetch(x, false);
}
void LIRGenerator::do_UnsafePrefetchWrite(UnsafePrefetchWrite* x) {
do_UnsafePrefetch(x, true);
}
void LIRGenerator::do_SwitchRanges(SwitchRangeArray* x, LIR_Opr value, BlockBegin* default_sux) {
int lng = x->length();