Mercurial > hg > graal-jvmci-8
diff src/cpu/sparc/vm/jniFastGetField_sparc.cpp @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | 6b2273dd6fa9 |
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--- /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); +}