Mercurial > hg > graal-jvmci-8
view src/cpu/zero/vm/frame_zero.inline.hpp @ 1256:c09ee209b65c
6926048: Improve Zero performance
Summary: Make Zero figure out result types in a similar way to C++ interpreter implementation.
Reviewed-by: kvn
Contributed-by: gbenson@redhat.com
author | kvn |
---|---|
date | Fri, 12 Feb 2010 10:34:11 -0800 |
parents | 354d3184f6b2 |
children | 0c5b3cf3c1f5 |
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/* * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved. * Copyright 2007, 2008, 2009 Red Hat, Inc. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ // Constructors inline frame::frame() { _sp = NULL; _fp = NULL; _pc = NULL; _cb = NULL; _deopt_state = unknown; } inline frame::frame(intptr_t* sp, intptr_t* fp) { _sp = sp; _fp = fp; switch (zeroframe()->type()) { case ZeroFrame::ENTRY_FRAME: _pc = StubRoutines::call_stub_return_pc(); _cb = NULL; break; case ZeroFrame::INTERPRETER_FRAME: _pc = NULL; _cb = NULL; break; case ZeroFrame::SHARK_FRAME: _pc = zero_sharkframe()->pc(); _cb = CodeCache::find_blob_unsafe(pc()); break; case ZeroFrame::FAKE_STUB_FRAME: _pc = NULL; _cb = NULL; break; default: ShouldNotReachHere(); } _deopt_state = not_deoptimized; } // Accessors inline intptr_t* frame::sender_sp() const { return (intptr_t *) zeroframe()->next(); } inline intptr_t* frame::link() const { ShouldNotCallThis(); } #ifdef CC_INTERP inline interpreterState frame::get_interpreterState() const { return zero_interpreterframe()->interpreter_state(); } inline intptr_t** frame::interpreter_frame_locals_addr() const { return &(get_interpreterState()->_locals); } inline intptr_t* frame::interpreter_frame_bcx_addr() const { return (intptr_t*) &(get_interpreterState()->_bcp); } inline constantPoolCacheOop* frame::interpreter_frame_cache_addr() const { return &(get_interpreterState()->_constants); } inline methodOop* frame::interpreter_frame_method_addr() const { return &(get_interpreterState()->_method); } inline intptr_t* frame::interpreter_frame_mdx_addr() const { return (intptr_t*) &(get_interpreterState()->_mdx); } inline intptr_t* frame::interpreter_frame_tos_address() const { return get_interpreterState()->_stack + 1; } #endif // CC_INTERP inline int frame::interpreter_frame_monitor_size() { return BasicObjectLock::size(); } inline intptr_t* frame::interpreter_frame_expression_stack() const { intptr_t* monitor_end = (intptr_t*) interpreter_frame_monitor_end(); return monitor_end - 1; } inline jint frame::interpreter_frame_expression_stack_direction() { return -1; } // Return a unique id for this frame. The id must have a value where // we can distinguish identity and younger/older relationship. NULL // represents an invalid (incomparable) frame. inline intptr_t* frame::id() const { return sp(); } inline JavaCallWrapper* frame::entry_frame_call_wrapper() const { return zero_entryframe()->call_wrapper(); } inline void frame::set_saved_oop_result(RegisterMap* map, oop obj) { ShouldNotCallThis(); } inline oop frame::saved_oop_result(RegisterMap* map) const { ShouldNotCallThis(); } inline bool frame::is_older(intptr_t* id) const { ShouldNotCallThis(); } inline intptr_t* frame::entry_frame_argument_at(int offset) const { ShouldNotCallThis(); } inline intptr_t* frame::unextended_sp() const { if (zeroframe()->is_shark_frame()) return zero_sharkframe()->unextended_sp(); else return (intptr_t *) -1; }