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This commit is contained in:
Daniel D. Daugherty 2011-01-07 15:54:32 -08:00
commit 0c7a73dc8c
35 changed files with 535 additions and 246 deletions
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24
hotspot/src/cpu/sparc/vm/assembler_sparc.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2011, 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
@ -4102,11 +4102,15 @@ void MacroAssembler::tlab_refill(Label& retry, Label& try_eden, Label& slow_case
store_klass(t2, top);
verify_oop(top);
ld_ptr(G2_thread, in_bytes(JavaThread::tlab_start_offset()), t1);
sub(top, t1, t1); // size of tlab's allocated portion
incr_allocated_bytes(t1, 0, t2);
// refill the tlab with an eden allocation
bind(do_refill);
ld_ptr(G2_thread, in_bytes(JavaThread::tlab_size_offset()), t1);
sll_ptr(t1, LogHeapWordSize, t1);
// add object_size ??
// allocate new tlab, address returned in top
eden_allocate(top, t1, 0, t2, t3, slow_case);
st_ptr(top, G2_thread, in_bytes(JavaThread::tlab_start_offset()));
@ -4134,6 +4138,22 @@ void MacroAssembler::tlab_refill(Label& retry, Label& try_eden, Label& slow_case
delayed()->nop();
}
void MacroAssembler::incr_allocated_bytes(Register var_size_in_bytes,
int con_size_in_bytes,
Register t1) {
// Bump total bytes allocated by this thread
assert(t1->is_global(), "must be global reg"); // so all 64 bits are saved on a context switch
assert_different_registers(var_size_in_bytes, t1);
// v8 support has gone the way of the dodo
ldx(G2_thread, in_bytes(JavaThread::allocated_bytes_offset()), t1);
if (var_size_in_bytes->is_valid()) {
add(t1, var_size_in_bytes, t1);
} else {
add(t1, con_size_in_bytes, t1);
}
stx(t1, G2_thread, in_bytes(JavaThread::allocated_bytes_offset()));
}
Assembler::Condition MacroAssembler::negate_condition(Assembler::Condition cond) {
switch (cond) {
// Note some conditions are synonyms for others