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src/cpu/x86/vm/c1_LIRAssembler_x86.hpp@437d03ea40b1 (annotated)

src/cpu/x86/vm/c1_LIRAssembler_x86.hpp

Wed, 21 May 2008 16:31:35 -0700

author

kvn

date

Wed, 21 May 2008 16:31:35 -0700

changeset 600

437d03ea40b1

parent 435

a61af66fc99e

child 739

dc7f315e41f7

permissions

-rw-r--r--

6703888: Compressed Oops: use the 32-bits gap after klass in a object
Summary: Use the gap also for a narrow oop field and a boxing object value.
Reviewed-by: coleenp, never

duke@435	1	/*
duke@435	2	* Copyright 2000-2006 Sun Microsystems, Inc. All Rights Reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
duke@435	19	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435	20	* CA 95054 USA or visit www.sun.com if you need additional information or
duke@435	21	* have any questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
duke@435	25	private:
duke@435	26
duke@435	27	Address::ScaleFactor array_element_size(BasicType type) const;
duke@435	28
duke@435	29	void monitorexit(LIR_Opr obj_opr, LIR_Opr lock_opr, Register new_hdr, int monitor_no, Register exception);
duke@435	30
duke@435	31	void arith_fpu_implementation(LIR_Code code, int left_index, int right_index, int dest_index, bool pop_fpu_stack);
duke@435	32
duke@435	33	// helper functions which checks for overflow and sets bailout if it
duke@435	34	// occurs. Always returns a valid embeddable pointer but in the
duke@435	35	// bailout case the pointer won't be to unique storage.
duke@435	36	address float_constant(float f);
duke@435	37	address double_constant(double d);
duke@435	38
duke@435	39	public:
duke@435	40
duke@435	41	void store_parameter(Register r, int offset_from_esp_in_words);
duke@435	42	void store_parameter(jint c, int offset_from_esp_in_words);
duke@435	43	void store_parameter(jobject c, int offset_from_esp_in_words);
duke@435	44
duke@435	45	enum { call_stub_size = 15,
duke@435	46	exception_handler_size = DEBUG_ONLY(1*K) NOT_DEBUG(175),
duke@435	47	deopt_handler_size = 10
duke@435	48	};