• file
• revisions
• annotate
• diff
• comparison
• raw

src/cpu/sparc/vm/jniFastGetField_sparc.cpp@f90c822e73f8 (annotated)

src/cpu/sparc/vm/jniFastGetField_sparc.cpp

Wed, 27 Apr 2016 01:25:04 +0800

author

aoqi

date

Wed, 27 Apr 2016 01:25:04 +0800

changeset 0

f90c822e73f8

child 6876

710a3c8b516e

permissions

-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*
aoqi@0	23	*/
aoqi@0	24
aoqi@0	25	#include "precompiled.hpp"
aoqi@0	26	#include "asm/macroAssembler.inline.hpp"
aoqi@0	27	#include "memory/resourceArea.hpp"
aoqi@0	28	#include "prims/jniFastGetField.hpp"
aoqi@0	29	#include "prims/jvm_misc.hpp"
aoqi@0	30	#include "runtime/safepoint.hpp"
aoqi@0	31
aoqi@0	32	// TSO ensures that loads are blocking and ordered with respect to
aoqi@0	33	// to earlier loads, so we don't need LoadLoad membars.
aoqi@0	34
aoqi@0	35	#define __ masm->
aoqi@0	36
aoqi@0	37	#define BUFFER_SIZE 30*sizeof(jint)
aoqi@0	38
aoqi@0	39	// Common register usage:
aoqi@0	40	// O0: env
aoqi@0	41	// O1: obj
aoqi@0	42	// O2: jfieldID
aoqi@0	43	// O4: offset (O2 >> 2)
aoqi@0	44	// G4: old safepoint counter
aoqi@0	45
aoqi@0	46	address JNI_FastGetField::generate_fast_get_int_field0(BasicType type) {
aoqi@0	47	const char *name;
aoqi@0	48	switch (type) {
aoqi@0	49	case T_BOOLEAN: name = "jni_fast_GetBooleanField"; break;
aoqi@0	50	case T_BYTE: name = "jni_fast_GetByteField"; break;
aoqi@0	51	case T_CHAR: name = "jni_fast_GetCharField"; break;
aoqi@0	52	case T_SHORT: name = "jni_fast_GetShortField"; break;
aoqi@0	53	case T_INT: name = "jni_fast_GetIntField"; break;
aoqi@0	54	default: ShouldNotReachHere();
aoqi@0	55	}
aoqi@0	56	ResourceMark rm;
aoqi@0	57	BufferBlob* blob = BufferBlob::create(name, BUFFER_SIZE*wordSize);
aoqi@0	58	CodeBuffer cbuf(blob);
aoqi@0	59	MacroAssembler* masm = new MacroAssembler(&cbuf);
aoqi@0	60	address fast_entry = __ pc();
aoqi@0	61
aoqi@0	62	Label label1, label2;
aoqi@0	63
aoqi@0	64	AddressLiteral cnt_addrlit(SafepointSynchronize::safepoint_counter_addr());
aoqi@0	65	__ sethi (cnt_addrlit, O3);
aoqi@0	66	Address cnt_addr(O3, cnt_addrlit.low10());
aoqi@0	67	__ ld (cnt_addr, G4);
aoqi@0	68	__ andcc (G4, 1, G0);
aoqi@0	69	__ br (Assembler::notZero, false, Assembler::pn, label1);
aoqi@0	70	__ delayed()->srl (O2, 2, O4);
aoqi@0	71	__ ld_ptr (O1, 0, O5);
aoqi@0	72
aoqi@0	73	assert(count < LIST_CAPACITY, "LIST_CAPACITY too small");
aoqi@0	74	speculative_load_pclist[count] = __ pc();
aoqi@0	75	switch (type) {
aoqi@0	76	case T_BOOLEAN: __ ldub (O5, O4, G3); break;
aoqi@0	77	case T_BYTE: __ ldsb (O5, O4, G3); break;
aoqi@0	78	case T_CHAR: __ lduh (O5, O4, G3); break;
aoqi@0	79	case T_SHORT: __ ldsh (O5, O4, G3); break;
aoqi@0	80	case T_INT: __ ld (O5, O4, G3); break;
aoqi@0	81	default: ShouldNotReachHere();
aoqi@0	82	}
aoqi@0	83
aoqi@0	84	__ ld (cnt_addr, O5);
aoqi@0	85	__ cmp (O5, G4);
aoqi@0	86	__ br (Assembler::notEqual, false, Assembler::pn, label2);
aoqi@0	87	__ delayed()->mov (O7, G1);
aoqi@0	88	__ retl ();
aoqi@0	89	__ delayed()->mov (G3, O0);
aoqi@0	90
aoqi@0	91	slowcase_entry_pclist[count++] = __ pc();
aoqi@0	92	__ bind (label1);
aoqi@0	93	__ mov (O7, G1);
aoqi@0	94
aoqi@0	95	address slow_case_addr;
aoqi@0	96	switch (type) {
aoqi@0	97	case T_BOOLEAN: slow_case_addr = jni_GetBooleanField_addr(); break;
aoqi@0	98	case T_BYTE: slow_case_addr = jni_GetByteField_addr(); break;
aoqi@0	99	case T_CHAR: slow_case_addr = jni_GetCharField_addr(); break;
aoqi@0	100	case T_SHORT: slow_case_addr = jni_GetShortField_addr(); break;
aoqi@0	101	case T_INT: slow_case_addr = jni_GetIntField_addr(); break;
aoqi@0	102	default: ShouldNotReachHere();
aoqi@0	103	}
aoqi@0	104	__ bind (label2);
aoqi@0	105	__ call (slow_case_addr, relocInfo::none);
aoqi@0	106	__ delayed()->mov (G1, O7);
aoqi@0	107
aoqi@0	108	__ flush ();
aoqi@0	109
aoqi@0	110	return fast_entry;
aoqi@0	111	}
aoqi@0	112
aoqi@0	113	address JNI_FastGetField::generate_fast_get_boolean_field() {
aoqi@0	114	return generate_fast_get_int_field0(T_BOOLEAN);
aoqi@0	115	}
aoqi@0	116
aoqi@0	117	address JNI_FastGetField::generate_fast_get_byte_field() {
aoqi@0	118	return generate_fast_get_int_field0(T_BYTE);
aoqi@0	119	}
aoqi@0	120
aoqi@0	121	address JNI_FastGetField::generate_fast_get_char_field() {
aoqi@0	122	return generate_fast_get_int_field0(T_CHAR);
aoqi@0	123	}
aoqi@0	124
aoqi@0	125	address JNI_FastGetField::generate_fast_get_short_field() {
aoqi@0	126	return generate_fast_get_int_field0(T_SHORT);
aoqi@0	127	}
aoqi@0	128
aoqi@0	129	address JNI_FastGetField::generate_fast_get_int_field() {
aoqi@0	130	return generate_fast_get_int_field0(T_INT);
aoqi@0	131	}
aoqi@0	132
aoqi@0	133	address JNI_FastGetField::generate_fast_get_long_field() {
aoqi@0	134	const char *name = "jni_fast_GetLongField";
aoqi@0	135	ResourceMark rm;
aoqi@0	136	BufferBlob* blob = BufferBlob::create(name, BUFFER_SIZE*wordSize);
aoqi@0	137	CodeBuffer cbuf(blob);
aoqi@0	138	MacroAssembler* masm = new MacroAssembler(&cbuf);
aoqi@0	139	address fast_entry = __ pc();
aoqi@0	140
aoqi@0	141	Label label1, label2;
aoqi@0	142
aoqi@0	143	AddressLiteral cnt_addrlit(SafepointSynchronize::safepoint_counter_addr());
aoqi@0	144	__ sethi (cnt_addrlit, G3);
aoqi@0	145	Address cnt_addr(G3, cnt_addrlit.low10());
aoqi@0	146	__ ld (cnt_addr, G4);
aoqi@0	147	__ andcc (G4, 1, G0);
aoqi@0	148	__ br (Assembler::notZero, false, Assembler::pn, label1);
aoqi@0	149	__ delayed()->srl (O2, 2, O4);
aoqi@0	150	__ ld_ptr (O1, 0, O5);
aoqi@0	151	__ add (O5, O4, O5);
aoqi@0	152
aoqi@0	153	#ifndef _LP64
aoqi@0	154	assert(count < LIST_CAPACITY-1, "LIST_CAPACITY too small");
aoqi@0	155	speculative_load_pclist[count++] = __ pc();
aoqi@0	156	__ ld (O5, 0, G2);
aoqi@0	157
aoqi@0	158	speculative_load_pclist[count] = __ pc();
aoqi@0	159	__ ld (O5, 4, O3);
aoqi@0	160	#else
aoqi@0	161	assert(count < LIST_CAPACITY, "LIST_CAPACITY too small");
aoqi@0	162	speculative_load_pclist[count] = __ pc();
aoqi@0	163	__ ldx (O5, 0, O3);
aoqi@0	164	#endif
aoqi@0	165
aoqi@0	166	__ ld (cnt_addr, G1);
aoqi@0	167	__ cmp (G1, G4);
aoqi@0	168	__ br (Assembler::notEqual, false, Assembler::pn, label2);
aoqi@0	169	__ delayed()->mov (O7, G1);
aoqi@0	170
aoqi@0	171	#ifndef _LP64
aoqi@0	172	__ mov (G2, O0);
aoqi@0	173	__ retl ();
aoqi@0	174	__ delayed()->mov (O3, O1);
aoqi@0	175	#else
aoqi@0	176	__ retl ();
aoqi@0	177	__ delayed()->mov (O3, O0);
aoqi@0	178	#endif
aoqi@0	179
aoqi@0	180	#ifndef _LP64
aoqi@0	181	slowcase_entry_pclist[count-1] = __ pc();
aoqi@0	182	slowcase_entry_pclist[count++] = __ pc() ;
aoqi@0	183	#else
aoqi@0	184	slowcase_entry_pclist[count++] = __ pc();
aoqi@0	185	#endif
aoqi@0	186
aoqi@0	187	__ bind (label1);
aoqi@0	188	__ mov (O7, G1);
aoqi@0	189
aoqi@0	190	address slow_case_addr = jni_GetLongField_addr();
aoqi@0	191	__ bind (label2);
aoqi@0	192	__ call (slow_case_addr, relocInfo::none);
aoqi@0	193	__ delayed()->mov (G1, O7);
aoqi@0	194
aoqi@0	195	__ flush ();
aoqi@0	196
aoqi@0	197	return fast_entry;
aoqi@0	198	}
aoqi@0	199
aoqi@0	200	address JNI_FastGetField::generate_fast_get_float_field0(BasicType type) {
aoqi@0	201	const char *name;
aoqi@0	202	switch (type) {
aoqi@0	203	case T_FLOAT: name = "jni_fast_GetFloatField"; break;
aoqi@0	204	case T_DOUBLE: name = "jni_fast_GetDoubleField"; break;
aoqi@0	205	default: ShouldNotReachHere();
aoqi@0	206	}
aoqi@0	207	ResourceMark rm;
aoqi@0	208	BufferBlob* blob = BufferBlob::create(name, BUFFER_SIZE*wordSize);
aoqi@0	209	CodeBuffer cbuf(blob);
aoqi@0	210	MacroAssembler* masm = new MacroAssembler(&cbuf);
aoqi@0	211	address fast_entry = __ pc();
aoqi@0	212
aoqi@0	213	Label label1, label2;
aoqi@0	214
aoqi@0	215	AddressLiteral cnt_addrlit(SafepointSynchronize::safepoint_counter_addr());
aoqi@0	216	__ sethi (cnt_addrlit, O3);
aoqi@0	217	Address cnt_addr(O3, cnt_addrlit.low10());
aoqi@0	218	__ ld (cnt_addr, G4);
aoqi@0	219	__ andcc (G4, 1, G0);
aoqi@0	220	__ br (Assembler::notZero, false, Assembler::pn, label1);
aoqi@0	221	__ delayed()->srl (O2, 2, O4);
aoqi@0	222	__ ld_ptr (O1, 0, O5);
aoqi@0	223
aoqi@0	224	assert(count < LIST_CAPACITY, "LIST_CAPACITY too small");
aoqi@0	225	speculative_load_pclist[count] = __ pc();
aoqi@0	226	switch (type) {
aoqi@0	227	case T_FLOAT: __ ldf (FloatRegisterImpl::S, O5, O4, F0); break;
aoqi@0	228	case T_DOUBLE: __ ldf (FloatRegisterImpl::D, O5, O4, F0); break;
aoqi@0	229	default: ShouldNotReachHere();
aoqi@0	230	}
aoqi@0	231
aoqi@0	232	__ ld (cnt_addr, O5);
aoqi@0	233	__ cmp (O5, G4);
aoqi@0	234	__ br (Assembler::notEqual, false, Assembler::pn, label2);
aoqi@0	235	__ delayed()->mov (O7, G1);
aoqi@0	236
aoqi@0	237	__ retl ();
aoqi@0	238	__ delayed()-> nop ();
aoqi@0	239
aoqi@0	240	slowcase_entry_pclist[count++] = __ pc();
aoqi@0	241	__ bind (label1);
aoqi@0	242	__ mov (O7, G1);
aoqi@0	243
aoqi@0	244	address slow_case_addr;
aoqi@0	245	switch (type) {
aoqi@0	246	case T_FLOAT: slow_case_addr = jni_GetFloatField_addr(); break;
aoqi@0	247	case T_DOUBLE: slow_case_addr = jni_GetDoubleField_addr(); break;
aoqi@0	248	default: ShouldNotReachHere();
aoqi@0	249	}
aoqi@0	250	__ bind (label2);
aoqi@0	251	__ call (slow_case_addr, relocInfo::none);
aoqi@0	252	__ delayed()->mov (G1, O7);
aoqi@0	253
aoqi@0	254	__ flush ();
aoqi@0	255
aoqi@0	256	return fast_entry;
aoqi@0	257	}
aoqi@0	258
aoqi@0	259	address JNI_FastGetField::generate_fast_get_float_field() {
aoqi@0	260	return generate_fast_get_float_field0(T_FLOAT);
aoqi@0	261	}
aoqi@0	262
aoqi@0	263	address JNI_FastGetField::generate_fast_get_double_field() {
aoqi@0	264	return generate_fast_get_float_field0(T_DOUBLE);
aoqi@0	265	}