--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cpu/sparc/vm/jniFastGetField_sparc.cpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,261 @@
+/*
+ * Copyright 2004-2006 Sun Microsystems, Inc.  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
+ * 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.
+ *
+ */
+
+# include "incls/_precompiled.incl"
+# include "incls/_jniFastGetField_sparc.cpp.incl"
+
+// TSO ensures that loads are blocking and ordered with respect to
+// to earlier loads, so we don't need LoadLoad membars.
+
+#define __ masm->
+
+#define BUFFER_SIZE 30*sizeof(jint)
+
+// Common register usage:
+// O0: env
+// O1: obj
+// O2: jfieldID
+// O4: offset (O2 >> 2)
+// G4: old safepoint counter
+
+address JNI_FastGetField::generate_fast_get_int_field0(BasicType type) {
+  const char *name;
+  switch (type) {
+    case T_BOOLEAN: name = "jni_fast_GetBooleanField"; break;
+    case T_BYTE:    name = "jni_fast_GetByteField";    break;
+    case T_CHAR:    name = "jni_fast_GetCharField";    break;
+    case T_SHORT:   name = "jni_fast_GetShortField";   break;
+    case T_INT:     name = "jni_fast_GetIntField";     break;
+    default:        ShouldNotReachHere();
+  }
+  ResourceMark rm;
+  BufferBlob* b = BufferBlob::create(name, BUFFER_SIZE*wordSize);
+  address fast_entry = b->instructions_begin();
+  CodeBuffer cbuf(fast_entry, b->instructions_size());
+  MacroAssembler* masm = new MacroAssembler(&cbuf);
+
+  Label label1, label2;
+
+  address cnt_addr = SafepointSynchronize::safepoint_counter_addr();
+  Address ca(O3, cnt_addr);
+  __ sethi (ca);
+  __ ld (ca, G4);
+  __ andcc (G4, 1, G0);
+  __ br (Assembler::notZero, false, Assembler::pn, label1);
+  __ delayed()->srl (O2, 2, O4);
+  __ ld_ptr (O1, 0, O5);
+
+  assert(count < LIST_CAPACITY, "LIST_CAPACITY too small");
+  speculative_load_pclist[count] = __ pc();
+  switch (type) {
+    case T_BOOLEAN: __ ldub (O5, O4, G3);  break;
+    case T_BYTE:    __ ldsb (O5, O4, G3);  break;
+    case T_CHAR:    __ lduh (O5, O4, G3);  break;
+    case T_SHORT:   __ ldsh (O5, O4, G3);  break;
+    case T_INT:     __ ld (O5, O4, G3);    break;
+    default:        ShouldNotReachHere();
+  }
+
+  __ ld (ca, O5);
+  __ cmp (O5, G4);
+  __ br (Assembler::notEqual, false, Assembler::pn, label2);
+  __ delayed()->mov (O7, G1);
+  __ retl ();
+  __ delayed()->mov (G3, O0);
+
+  slowcase_entry_pclist[count++] = __ pc();
+  __ bind (label1);
+  __ mov (O7, G1);
+
+  address slow_case_addr;
+  switch (type) {
+    case T_BOOLEAN: slow_case_addr = jni_GetBooleanField_addr(); break;
+    case T_BYTE:    slow_case_addr = jni_GetByteField_addr();    break;
+    case T_CHAR:    slow_case_addr = jni_GetCharField_addr();    break;
+    case T_SHORT:   slow_case_addr = jni_GetShortField_addr();   break;
+    case T_INT:     slow_case_addr = jni_GetIntField_addr();     break;
+    default:        ShouldNotReachHere();
+  }
+  __ bind (label2);
+  __ call (slow_case_addr, relocInfo::none);
+  __ delayed()->mov (G1, O7);
+
+  __ flush ();
+
+  return fast_entry;
+}
+
+address JNI_FastGetField::generate_fast_get_boolean_field() {
+  return generate_fast_get_int_field0(T_BOOLEAN);
+}
+
+address JNI_FastGetField::generate_fast_get_byte_field() {
+  return generate_fast_get_int_field0(T_BYTE);
+}
+
+address JNI_FastGetField::generate_fast_get_char_field() {
+  return generate_fast_get_int_field0(T_CHAR);
+}
+
+address JNI_FastGetField::generate_fast_get_short_field() {
+  return generate_fast_get_int_field0(T_SHORT);
+}
+
+address JNI_FastGetField::generate_fast_get_int_field() {
+  return generate_fast_get_int_field0(T_INT);
+}
+
+address JNI_FastGetField::generate_fast_get_long_field() {
+  const char *name = "jni_fast_GetLongField";
+  ResourceMark rm;
+  BufferBlob* b = BufferBlob::create(name, BUFFER_SIZE*wordSize);
+  address fast_entry = b->instructions_begin();
+  CodeBuffer cbuf(fast_entry, b->instructions_size());
+  MacroAssembler* masm = new MacroAssembler(&cbuf);
+
+  Label label1, label2;
+
+  address cnt_addr = SafepointSynchronize::safepoint_counter_addr();
+  Address ca(G3, cnt_addr);
+  __ sethi (ca);
+  __ ld (ca, G4);
+  __ andcc (G4, 1, G0);
+  __ br (Assembler::notZero, false, Assembler::pn, label1);
+  __ delayed()->srl (O2, 2, O4);
+  __ ld_ptr (O1, 0, O5);
+  __ add (O5, O4, O5);
+
+#ifndef _LP64
+  assert(count < LIST_CAPACITY-1, "LIST_CAPACITY too small");
+  speculative_load_pclist[count++] = __ pc();
+  __ ld (O5, 0, G2);
+
+  speculative_load_pclist[count] = __ pc();
+  __ ld (O5, 4, O3);
+#else
+  assert(count < LIST_CAPACITY, "LIST_CAPACITY too small");
+  speculative_load_pclist[count] = __ pc();
+  __ ldx (O5, 0, O3);
+#endif
+
+  __ ld (ca, G1);
+  __ cmp (G1, G4);
+  __ br (Assembler::notEqual, false, Assembler::pn, label2);
+  __ delayed()->mov (O7, G1);
+
+#ifndef _LP64
+  __ mov (G2, O0);
+  __ retl ();
+  __ delayed()->mov (O3, O1);
+#else
+  __ retl ();
+  __ delayed()->mov (O3, O0);
+#endif
+
+#ifndef _LP64
+  slowcase_entry_pclist[count-1] = __ pc();
+  slowcase_entry_pclist[count++] = __ pc() ;
+#else
+  slowcase_entry_pclist[count++] = __ pc();
+#endif
+
+  __ bind (label1);
+  __ mov (O7, G1);
+
+  address slow_case_addr = jni_GetLongField_addr();
+  __ bind (label2);
+  __ call (slow_case_addr, relocInfo::none);
+  __ delayed()->mov (G1, O7);
+
+  __ flush ();
+
+  return fast_entry;
+}
+
+address JNI_FastGetField::generate_fast_get_float_field0(BasicType type) {
+  const char *name;
+  switch (type) {
+    case T_FLOAT:  name = "jni_fast_GetFloatField";  break;
+    case T_DOUBLE: name = "jni_fast_GetDoubleField"; break;
+    default:       ShouldNotReachHere();
+  }
+  ResourceMark rm;
+  BufferBlob* b = BufferBlob::create(name, BUFFER_SIZE*wordSize);
+  address fast_entry = b->instructions_begin();
+  CodeBuffer cbuf(fast_entry, b->instructions_size());
+  MacroAssembler* masm = new MacroAssembler(&cbuf);
+
+  Label label1, label2;
+
+  address cnt_addr = SafepointSynchronize::safepoint_counter_addr();
+  Address ca(O3, cnt_addr);
+  __ sethi (ca);
+  __ ld (ca, G4);
+  __ andcc (G4, 1, G0);
+  __ br (Assembler::notZero, false, Assembler::pn, label1);
+  __ delayed()->srl (O2, 2, O4);
+  __ ld_ptr (O1, 0, O5);
+
+  assert(count < LIST_CAPACITY, "LIST_CAPACITY too small");
+  speculative_load_pclist[count] = __ pc();
+  switch (type) {
+    case T_FLOAT:  __ ldf (FloatRegisterImpl::S, O5, O4, F0); break;
+    case T_DOUBLE: __ ldf (FloatRegisterImpl::D, O5, O4, F0); break;
+    default:       ShouldNotReachHere();
+  }
+
+  __ ld (ca, O5);
+  __ cmp (O5, G4);
+  __ br (Assembler::notEqual, false, Assembler::pn, label2);
+  __ delayed()->mov (O7, G1);
+
+  __ retl ();
+  __ delayed()-> nop ();
+
+  slowcase_entry_pclist[count++] = __ pc();
+  __ bind (label1);
+  __ mov (O7, G1);
+
+  address slow_case_addr;
+  switch (type) {
+    case T_FLOAT:  slow_case_addr = jni_GetFloatField_addr();  break;
+    case T_DOUBLE: slow_case_addr = jni_GetDoubleField_addr(); break;
+    default:       ShouldNotReachHere();
+  }
+  __ bind (label2);
+  __ call (slow_case_addr, relocInfo::none);
+  __ delayed()->mov (G1, O7);
+
+  __ flush ();
+
+  return fast_entry;
+}
+
+address JNI_FastGetField::generate_fast_get_float_field() {
+  return generate_fast_get_float_field0(T_FLOAT);
+}
+
+address JNI_FastGetField::generate_fast_get_double_field() {
+  return generate_fast_get_float_field0(T_DOUBLE);
+}