duke@435: /*
twisti@1162:  * Copyright 2004-2009 Sun Microsystems, Inc.  All Rights Reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
duke@435:  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435:  * CA 95054 USA or visit www.sun.com if you need additional information or
duke@435:  * have any questions.
duke@435:  *
duke@435:  */
duke@435: 
duke@435: # include "incls/_precompiled.incl"
duke@435: # include "incls/_jniFastGetField_sparc.cpp.incl"
duke@435: 
duke@435: // TSO ensures that loads are blocking and ordered with respect to
duke@435: // to earlier loads, so we don't need LoadLoad membars.
duke@435: 
duke@435: #define __ masm->
duke@435: 
duke@435: #define BUFFER_SIZE 30*sizeof(jint)
duke@435: 
duke@435: // Common register usage:
duke@435: // O0: env
duke@435: // O1: obj
duke@435: // O2: jfieldID
duke@435: // O4: offset (O2 >> 2)
duke@435: // G4: old safepoint counter
duke@435: 
duke@435: address JNI_FastGetField::generate_fast_get_int_field0(BasicType type) {
duke@435:   const char *name;
duke@435:   switch (type) {
duke@435:     case T_BOOLEAN: name = "jni_fast_GetBooleanField"; break;
duke@435:     case T_BYTE:    name = "jni_fast_GetByteField";    break;
duke@435:     case T_CHAR:    name = "jni_fast_GetCharField";    break;
duke@435:     case T_SHORT:   name = "jni_fast_GetShortField";   break;
duke@435:     case T_INT:     name = "jni_fast_GetIntField";     break;
duke@435:     default:        ShouldNotReachHere();
duke@435:   }
duke@435:   ResourceMark rm;
duke@435:   BufferBlob* b = BufferBlob::create(name, BUFFER_SIZE*wordSize);
duke@435:   address fast_entry = b->instructions_begin();
duke@435:   CodeBuffer cbuf(fast_entry, b->instructions_size());
duke@435:   MacroAssembler* masm = new MacroAssembler(&cbuf);
duke@435: 
duke@435:   Label label1, label2;
duke@435: 
twisti@1162:   AddressLiteral cnt_addrlit(SafepointSynchronize::safepoint_counter_addr());
twisti@1162:   __ sethi (cnt_addrlit, O3);
twisti@1162:   Address cnt_addr(O3, cnt_addrlit.low10());
twisti@1162:   __ ld (cnt_addr, G4);
duke@435:   __ andcc (G4, 1, G0);
duke@435:   __ br (Assembler::notZero, false, Assembler::pn, label1);
duke@435:   __ delayed()->srl (O2, 2, O4);
duke@435:   __ ld_ptr (O1, 0, O5);
duke@435: 
duke@435:   assert(count < LIST_CAPACITY, "LIST_CAPACITY too small");
duke@435:   speculative_load_pclist[count] = __ pc();
duke@435:   switch (type) {
duke@435:     case T_BOOLEAN: __ ldub (O5, O4, G3);  break;
duke@435:     case T_BYTE:    __ ldsb (O5, O4, G3);  break;
duke@435:     case T_CHAR:    __ lduh (O5, O4, G3);  break;
duke@435:     case T_SHORT:   __ ldsh (O5, O4, G3);  break;
duke@435:     case T_INT:     __ ld (O5, O4, G3);    break;
duke@435:     default:        ShouldNotReachHere();
duke@435:   }
duke@435: 
twisti@1162:   __ ld (cnt_addr, O5);
duke@435:   __ cmp (O5, G4);
duke@435:   __ br (Assembler::notEqual, false, Assembler::pn, label2);
duke@435:   __ delayed()->mov (O7, G1);
duke@435:   __ retl ();
duke@435:   __ delayed()->mov (G3, O0);
duke@435: 
duke@435:   slowcase_entry_pclist[count++] = __ pc();
duke@435:   __ bind (label1);
duke@435:   __ mov (O7, G1);
duke@435: 
duke@435:   address slow_case_addr;
duke@435:   switch (type) {
duke@435:     case T_BOOLEAN: slow_case_addr = jni_GetBooleanField_addr(); break;
duke@435:     case T_BYTE:    slow_case_addr = jni_GetByteField_addr();    break;
duke@435:     case T_CHAR:    slow_case_addr = jni_GetCharField_addr();    break;
duke@435:     case T_SHORT:   slow_case_addr = jni_GetShortField_addr();   break;
duke@435:     case T_INT:     slow_case_addr = jni_GetIntField_addr();     break;
duke@435:     default:        ShouldNotReachHere();
duke@435:   }
duke@435:   __ bind (label2);
duke@435:   __ call (slow_case_addr, relocInfo::none);
duke@435:   __ delayed()->mov (G1, O7);
duke@435: 
duke@435:   __ flush ();
duke@435: 
duke@435:   return fast_entry;
duke@435: }
duke@435: 
duke@435: address JNI_FastGetField::generate_fast_get_boolean_field() {
duke@435:   return generate_fast_get_int_field0(T_BOOLEAN);
duke@435: }
duke@435: 
duke@435: address JNI_FastGetField::generate_fast_get_byte_field() {
duke@435:   return generate_fast_get_int_field0(T_BYTE);
duke@435: }
duke@435: 
duke@435: address JNI_FastGetField::generate_fast_get_char_field() {
duke@435:   return generate_fast_get_int_field0(T_CHAR);
duke@435: }
duke@435: 
duke@435: address JNI_FastGetField::generate_fast_get_short_field() {
duke@435:   return generate_fast_get_int_field0(T_SHORT);
duke@435: }
duke@435: 
duke@435: address JNI_FastGetField::generate_fast_get_int_field() {
duke@435:   return generate_fast_get_int_field0(T_INT);
duke@435: }
duke@435: 
duke@435: address JNI_FastGetField::generate_fast_get_long_field() {
duke@435:   const char *name = "jni_fast_GetLongField";
duke@435:   ResourceMark rm;
duke@435:   BufferBlob* b = BufferBlob::create(name, BUFFER_SIZE*wordSize);
duke@435:   address fast_entry = b->instructions_begin();
duke@435:   CodeBuffer cbuf(fast_entry, b->instructions_size());
duke@435:   MacroAssembler* masm = new MacroAssembler(&cbuf);
duke@435: 
duke@435:   Label label1, label2;
duke@435: 
twisti@1162:   AddressLiteral cnt_addrlit(SafepointSynchronize::safepoint_counter_addr());
twisti@1162:   __ sethi (cnt_addrlit, G3);
twisti@1162:   Address cnt_addr(G3, cnt_addrlit.low10());
twisti@1162:   __ ld (cnt_addr, G4);
duke@435:   __ andcc (G4, 1, G0);
duke@435:   __ br (Assembler::notZero, false, Assembler::pn, label1);
duke@435:   __ delayed()->srl (O2, 2, O4);
duke@435:   __ ld_ptr (O1, 0, O5);
duke@435:   __ add (O5, O4, O5);
duke@435: 
duke@435: #ifndef _LP64
duke@435:   assert(count < LIST_CAPACITY-1, "LIST_CAPACITY too small");
duke@435:   speculative_load_pclist[count++] = __ pc();
duke@435:   __ ld (O5, 0, G2);
duke@435: 
duke@435:   speculative_load_pclist[count] = __ pc();
duke@435:   __ ld (O5, 4, O3);
duke@435: #else
duke@435:   assert(count < LIST_CAPACITY, "LIST_CAPACITY too small");
duke@435:   speculative_load_pclist[count] = __ pc();
duke@435:   __ ldx (O5, 0, O3);
duke@435: #endif
duke@435: 
twisti@1162:   __ ld (cnt_addr, G1);
duke@435:   __ cmp (G1, G4);
duke@435:   __ br (Assembler::notEqual, false, Assembler::pn, label2);
duke@435:   __ delayed()->mov (O7, G1);
duke@435: 
duke@435: #ifndef _LP64
duke@435:   __ mov (G2, O0);
duke@435:   __ retl ();
duke@435:   __ delayed()->mov (O3, O1);
duke@435: #else
duke@435:   __ retl ();
duke@435:   __ delayed()->mov (O3, O0);
duke@435: #endif
duke@435: 
duke@435: #ifndef _LP64
duke@435:   slowcase_entry_pclist[count-1] = __ pc();
duke@435:   slowcase_entry_pclist[count++] = __ pc() ;
duke@435: #else
duke@435:   slowcase_entry_pclist[count++] = __ pc();
duke@435: #endif
duke@435: 
duke@435:   __ bind (label1);
duke@435:   __ mov (O7, G1);
duke@435: 
duke@435:   address slow_case_addr = jni_GetLongField_addr();
duke@435:   __ bind (label2);
duke@435:   __ call (slow_case_addr, relocInfo::none);
duke@435:   __ delayed()->mov (G1, O7);
duke@435: 
duke@435:   __ flush ();
duke@435: 
duke@435:   return fast_entry;
duke@435: }
duke@435: 
duke@435: address JNI_FastGetField::generate_fast_get_float_field0(BasicType type) {
duke@435:   const char *name;
duke@435:   switch (type) {
duke@435:     case T_FLOAT:  name = "jni_fast_GetFloatField";  break;
duke@435:     case T_DOUBLE: name = "jni_fast_GetDoubleField"; break;
duke@435:     default:       ShouldNotReachHere();
duke@435:   }
duke@435:   ResourceMark rm;
duke@435:   BufferBlob* b = BufferBlob::create(name, BUFFER_SIZE*wordSize);
duke@435:   address fast_entry = b->instructions_begin();
duke@435:   CodeBuffer cbuf(fast_entry, b->instructions_size());
duke@435:   MacroAssembler* masm = new MacroAssembler(&cbuf);
duke@435: 
duke@435:   Label label1, label2;
duke@435: 
twisti@1162:   AddressLiteral cnt_addrlit(SafepointSynchronize::safepoint_counter_addr());
twisti@1162:   __ sethi (cnt_addrlit, O3);
twisti@1162:   Address cnt_addr(O3, cnt_addrlit.low10());
twisti@1162:   __ ld (cnt_addr, G4);
duke@435:   __ andcc (G4, 1, G0);
duke@435:   __ br (Assembler::notZero, false, Assembler::pn, label1);
duke@435:   __ delayed()->srl (O2, 2, O4);
duke@435:   __ ld_ptr (O1, 0, O5);
duke@435: 
duke@435:   assert(count < LIST_CAPACITY, "LIST_CAPACITY too small");
duke@435:   speculative_load_pclist[count] = __ pc();
duke@435:   switch (type) {
duke@435:     case T_FLOAT:  __ ldf (FloatRegisterImpl::S, O5, O4, F0); break;
duke@435:     case T_DOUBLE: __ ldf (FloatRegisterImpl::D, O5, O4, F0); break;
duke@435:     default:       ShouldNotReachHere();
duke@435:   }
duke@435: 
twisti@1162:   __ ld (cnt_addr, O5);
duke@435:   __ cmp (O5, G4);
duke@435:   __ br (Assembler::notEqual, false, Assembler::pn, label2);
duke@435:   __ delayed()->mov (O7, G1);
duke@435: 
duke@435:   __ retl ();
duke@435:   __ delayed()-> nop ();
duke@435: 
duke@435:   slowcase_entry_pclist[count++] = __ pc();
duke@435:   __ bind (label1);
duke@435:   __ mov (O7, G1);
duke@435: 
duke@435:   address slow_case_addr;
duke@435:   switch (type) {
duke@435:     case T_FLOAT:  slow_case_addr = jni_GetFloatField_addr();  break;
duke@435:     case T_DOUBLE: slow_case_addr = jni_GetDoubleField_addr(); break;
duke@435:     default:       ShouldNotReachHere();
duke@435:   }
duke@435:   __ bind (label2);
duke@435:   __ call (slow_case_addr, relocInfo::none);
duke@435:   __ delayed()->mov (G1, O7);
duke@435: 
duke@435:   __ flush ();
duke@435: 
duke@435:   return fast_entry;
duke@435: }
duke@435: 
duke@435: address JNI_FastGetField::generate_fast_get_float_field() {
duke@435:   return generate_fast_get_float_field0(T_FLOAT);
duke@435: }
duke@435: 
duke@435: address JNI_FastGetField::generate_fast_get_double_field() {
duke@435:   return generate_fast_get_float_field0(T_DOUBLE);
duke@435: }