truffle: src/cpu/ppc/vm/macroAssembler

annotate src/cpu/ppc/vm/macroAssembler_ppc.inline.hpp @ 17804:fd1b9f02cc91

8036976: PPC64: implement the template interpreter Reviewed-by: kvn, coleenp Contributed-by: axel.siebenborn@sap.com, martin.doerr@sap.com

author	goetz
date	Mon, 10 Mar 2014 12:58:02 +0100
parents	31e80afe3fed
children	92aa6797d639

rev	line source
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	1 /*
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	2 * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
17804 fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 17803 diff changeset	3 * Copyright 2012, 2014 SAP AG. All rights reserved.
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	5 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	6 * This code is free software; you can redistribute it and/or modify it
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	7 * under the terms of the GNU General Public License version 2 only, as
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	8 * published by the Free Software Foundation.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	9 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	10 * This code is distributed in the hope that it will be useful, but WITHOUT
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	13 * version 2 for more details (a copy is included in the LICENSE file that
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	14 * accompanied this code).
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	15 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	16 * You should have received a copy of the GNU General Public License version
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	17 * 2 along with this work; if not, write to the Free Software Foundation,
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	19 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	21 * or visit www.oracle.com if you need additional information or have any
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	22 * questions.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	23 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	24 */
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	25
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	26 #ifndef CPU_PPC_VM_MACROASSEMBLER_PPC_INLINE_HPP
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	27 #define CPU_PPC_VM_MACROASSEMBLER_PPC_INLINE_HPP
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	28
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	29 #include "asm/assembler.inline.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	30 #include "asm/macroAssembler.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	31 #include "asm/codeBuffer.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	32 #include "code/codeCache.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	33
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	34 inline bool MacroAssembler::is_ld_largeoffset(address a) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	35 const int inst1 = (int )a;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	36 const int inst2 = (int )(a+4);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	37 return (is_ld(inst1)) \|\|
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	38 (is_addis(inst1) && is_ld(inst2) && inv_ra_field(inst2) == inv_rt_field(inst1));
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	39 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	40
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	41 inline int MacroAssembler::get_ld_largeoffset_offset(address a) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	42 assert(MacroAssembler::is_ld_largeoffset(a), "must be ld with large offset");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	43
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	44 const int inst1 = (int )a;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	45 if (is_ld(inst1)) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	46 return inv_d1_field(inst1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	47 } else {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	48 const int inst2 = (int )(a+4);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	49 return (inv_d1_field(inst1) << 16) + inv_d1_field(inst2);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	50 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	51 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	52
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	53 inline void MacroAssembler::round_to(Register r, int modulus) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	54 assert(is_power_of_2_long((jlong)modulus), "must be power of 2");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	55 addi(r, r, modulus-1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	56 clrrdi(r, r, log2_long((jlong)modulus));
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	57 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	58
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	59 // Move register if destination register and target register are different.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	60 inline void MacroAssembler::mr_if_needed(Register rd, Register rs) {
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14436 diff changeset	61 if (rs != rd) mr(rd, rs);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14436 diff changeset	62 }
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14436 diff changeset	63 inline void MacroAssembler::fmr_if_needed(FloatRegister rd, FloatRegister rs) {
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14436 diff changeset	64 if (rs != rd) fmr(rd, rs);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14436 diff changeset	65 }
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14436 diff changeset	66 inline void MacroAssembler::endgroup_if_needed(bool needed) {
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14436 diff changeset	67 if (needed) {
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14436 diff changeset	68 endgroup();
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14436 diff changeset	69 }
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	70 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	71
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14436 diff changeset	72 inline void MacroAssembler::membar(int bits) {
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14436 diff changeset	73 // TODO: use elemental_membar(bits) for Power 8 and disable optimization of acquire-release
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14436 diff changeset	74 // (Matcher::post_membar_release where we use PPC64_ONLY(xop == Op_MemBarRelease \|\|))
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14436 diff changeset	75 if (bits & StoreLoad) sync(); else lwsync();
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14436 diff changeset	76 }
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14436 diff changeset	77 inline void MacroAssembler::release() { membar(LoadStore \| StoreStore); }
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14436 diff changeset	78 inline void MacroAssembler::acquire() { membar(LoadLoad \| LoadStore); }
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14436 diff changeset	79 inline void MacroAssembler::fence() { membar(LoadLoad \| LoadStore \| StoreLoad \| StoreStore); }
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14436 diff changeset	80
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	81 // Address of the global TOC.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	82 inline address MacroAssembler::global_toc() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	83 return CodeCache::low_bound();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	84 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	85
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	86 // Offset of given address to the global TOC.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	87 inline int MacroAssembler::offset_to_global_toc(const address addr) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	88 intptr_t offset = (intptr_t)addr - (intptr_t)MacroAssembler::global_toc();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	89 assert(Assembler::is_simm((long)offset, 31) && offset >= 0, "must be in range");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	90 return (int)offset;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	91 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	92
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	93 // Address of current method's TOC.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	94 inline address MacroAssembler::method_toc() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	95 return code()->consts()->start();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	96 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	97
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	98 // Offset of given address to current method's TOC.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	99 inline int MacroAssembler::offset_to_method_toc(address addr) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	100 intptr_t offset = (intptr_t)addr - (intptr_t)method_toc();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	101 assert(is_simm((long)offset, 31) && offset >= 0, "must be in range");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	102 return (int)offset;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	103 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	104
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	105 inline bool MacroAssembler::is_calculate_address_from_global_toc_at(address a, address bound) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	106 const address inst2_addr = a;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	107 const int inst2 = (int ) a;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	108
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	109 // The relocation points to the second instruction, the addi.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	110 if (!is_addi(inst2)) return false;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	111
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	112 // The addi reads and writes the same register dst.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	113 const int dst = inv_rt_field(inst2);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	114 if (inv_ra_field(inst2) != dst) return false;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	115
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	116 // Now, find the preceding addis which writes to dst.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	117 int inst1 = 0;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	118 address inst1_addr = inst2_addr - BytesPerInstWord;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	119 while (inst1_addr >= bound) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	120 inst1 = (int ) inst1_addr;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	121 if (is_addis(inst1) && inv_rt_field(inst1) == dst) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	122 // stop, found the addis which writes dst
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	123 break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	124 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	125 inst1_addr -= BytesPerInstWord;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	126 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	127
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	128 if (!(inst1 == 0 \|\| inv_ra_field(inst1) == 29 /* R29 */)) return false;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	129 return is_addis(inst1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	130 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	131
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	132 #ifdef _LP64
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	133 // Detect narrow oop constants.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	134 inline bool MacroAssembler::is_set_narrow_oop(address a, address bound) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	135 const address inst2_addr = a;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	136 const int inst2 = (int )a;
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14436 diff changeset	137 // The relocation points to the second instruction, the ori.
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14436 diff changeset	138 if (!is_ori(inst2)) return false;
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	139
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14436 diff changeset	140 // The ori reads and writes the same register dst.
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14436 diff changeset	141 const int dst = inv_rta_field(inst2);
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14436 diff changeset	142 if (inv_rs_field(inst2) != dst) return false;
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	143
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	144 // Now, find the preceding addis which writes to dst.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	145 int inst1 = 0;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	146 address inst1_addr = inst2_addr - BytesPerInstWord;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	147 while (inst1_addr >= bound) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	148 inst1 = (int ) inst1_addr;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	149 if (is_lis(inst1) && inv_rs_field(inst1) == dst) return true;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	150 inst1_addr -= BytesPerInstWord;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	151 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	152 return false;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	153 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	154 #endif
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	155
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	156
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	157 inline bool MacroAssembler::is_load_const_at(address a) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	158 const int* p_inst = (int *) a;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	159 bool b = is_lis(*p_inst++);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	160 if (is_ori(*p_inst)) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	161 p_inst++;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	162 b = b && is_rldicr(*p_inst++); // TODO: could be made more precise: `sldi'!
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	163 b = b && is_oris(*p_inst++);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	164 b = b && is_ori(*p_inst);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	165 } else if (is_lis(*p_inst)) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	166 p_inst++;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	167 b = b && is_ori(*p_inst++);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	168 b = b && is_ori(*p_inst);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	169 // TODO: could enhance reliability by adding is_insrdi
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	170 } else return false;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	171 return b;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	172 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	173
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	174 inline void MacroAssembler::set_oop_constant(jobject obj, Register d) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	175 set_oop(constant_oop_address(obj), d);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	176 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	177
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	178 inline void MacroAssembler::set_oop(AddressLiteral obj_addr, Register d) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	179 assert(obj_addr.rspec().type() == relocInfo::oop_type, "must be an oop reloc");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	180 load_const(d, obj_addr);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	181 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	182
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	183 inline void MacroAssembler::pd_patch_instruction(address branch, address target) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	184 jint& stub_inst = (jint) branch;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	185 stub_inst = patched_branch(target - branch, stub_inst, 0);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	186 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	187
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	188 // Relocation of conditional far branches.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	189 inline bool MacroAssembler::is_bc_far_variant1_at(address instruction_addr) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	190 // Variant 1, the 1st instruction contains the destination address:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	191 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	192 // bcxx DEST
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	193 // endgroup
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	194 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	195 const int instruction_1 = (int)(instruction_addr);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	196 const int instruction_2 = (int)(instruction_addr + 4);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	197 return is_bcxx(instruction_1) &&
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	198 (inv_bd_field(instruction_1, (intptr_t)instruction_addr) != (intptr_t)(instruction_addr + 2*4)) &&
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	199 is_endgroup(instruction_2);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	200 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	201
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	202 // Relocation of conditional far branches.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	203 inline bool MacroAssembler::is_bc_far_variant2_at(address instruction_addr) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	204 // Variant 2, the 2nd instruction contains the destination address:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	205 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	206 // b!cxx SKIP
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	207 // bxx DEST
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	208 // SKIP:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	209 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	210 const int instruction_1 = (int)(instruction_addr);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	211 const int instruction_2 = (int)(instruction_addr + 4);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	212 return is_bcxx(instruction_1) &&
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	213 (inv_bd_field(instruction_1, (intptr_t)instruction_addr) == (intptr_t)(instruction_addr + 2*4)) &&
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	214 is_bxx(instruction_2);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	215 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	216
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	217 // Relocation for conditional branches
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	218 inline bool MacroAssembler::is_bc_far_variant3_at(address instruction_addr) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	219 // Variant 3, far cond branch to the next instruction, already patched to nops:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	220 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	221 // nop
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	222 // endgroup
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	223 // SKIP/DEST:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	224 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	225 const int instruction_1 = (int)(instruction_addr);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	226 const int instruction_2 = (int)(instruction_addr + 4);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	227 return is_nop(instruction_1) &&
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	228 is_endgroup(instruction_2);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	229 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	230
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	231
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	232 // Convenience bc_far versions
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	233 inline void MacroAssembler::blt_far(ConditionRegister crx, Label& L, int optimize) { MacroAssembler::bc_far(bcondCRbiIs1, bi0(crx, less), L, optimize); }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	234 inline void MacroAssembler::bgt_far(ConditionRegister crx, Label& L, int optimize) { MacroAssembler::bc_far(bcondCRbiIs1, bi0(crx, greater), L, optimize); }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	235 inline void MacroAssembler::beq_far(ConditionRegister crx, Label& L, int optimize) { MacroAssembler::bc_far(bcondCRbiIs1, bi0(crx, equal), L, optimize); }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	236 inline void MacroAssembler::bso_far(ConditionRegister crx, Label& L, int optimize) { MacroAssembler::bc_far(bcondCRbiIs1, bi0(crx, summary_overflow), L, optimize); }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	237 inline void MacroAssembler::bge_far(ConditionRegister crx, Label& L, int optimize) { MacroAssembler::bc_far(bcondCRbiIs0, bi0(crx, less), L, optimize); }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	238 inline void MacroAssembler::ble_far(ConditionRegister crx, Label& L, int optimize) { MacroAssembler::bc_far(bcondCRbiIs0, bi0(crx, greater), L, optimize); }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	239 inline void MacroAssembler::bne_far(ConditionRegister crx, Label& L, int optimize) { MacroAssembler::bc_far(bcondCRbiIs0, bi0(crx, equal), L, optimize); }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	240 inline void MacroAssembler::bns_far(ConditionRegister crx, Label& L, int optimize) { MacroAssembler::bc_far(bcondCRbiIs0, bi0(crx, summary_overflow), L, optimize); }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	241
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	242 inline address MacroAssembler::call_stub(Register function_entry) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	243 mtctr(function_entry);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	244 bctrl();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	245 return pc();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	246 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	247
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	248 inline void MacroAssembler::call_stub_and_return_to(Register function_entry, Register return_pc) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	249 assert_different_registers(function_entry, return_pc);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	250 mtlr(return_pc);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	251 mtctr(function_entry);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	252 bctr();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	253 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	254
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	255 // Get the pc where the last emitted call will return to.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	256 inline address MacroAssembler::last_calls_return_pc() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	257 return _last_calls_return_pc;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	258 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	259
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	260 // Read from the polling page, its address is already in a register.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	261 inline void MacroAssembler::load_from_polling_page(Register polling_page_address, int offset) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	262 ld(R0, offset, polling_page_address);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	263 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	264
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	265 // Trap-instruction-based checks.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	266
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	267 inline void MacroAssembler::trap_null_check(Register a, trap_to_bits cmp) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	268 assert(TrapBasedNullChecks, "sanity");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	269 tdi(cmp, a/reg a/, 0);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	270 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	271 inline void MacroAssembler::trap_zombie_not_entrant() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	272 tdi(traptoUnconditional, 0/reg 0/, 1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	273 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	274 inline void MacroAssembler::trap_should_not_reach_here() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	275 tdi_unchecked(traptoUnconditional, 0/reg 0/, 2);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	276 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	277
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	278 inline void MacroAssembler::trap_ic_miss_check(Register a, Register b) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	279 td(traptoGreaterThanUnsigned \| traptoLessThanUnsigned, a, b);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	280 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	281
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	282 // Do an explicit null check if access to a+offset will not raise a SIGSEGV.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	283 // Either issue a trap instruction that raises SIGTRAP, or do a compare that
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	284 // branches to exception_entry.
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14436 diff changeset	285 // No support for compressed oops (base page of heap). Does not distinguish
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	286 // loads and stores.
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14436 diff changeset	287 inline void MacroAssembler::null_check_throw(Register a, int offset, Register temp_reg,
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14436 diff changeset	288 address exception_entry) {
14436 b0133e4187d3 8028471: PPC64 (part 215): opto: Extend ImplicitNullCheck optimization. goetz parents: 14408 diff changeset	289 if (!ImplicitNullChecks \|\| needs_explicit_null_check(offset) \|\| !os::zero_page_read_protected()) {
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	290 if (TrapBasedNullChecks) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	291 assert(UseSIGTRAP, "sanity");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	292 trap_null_check(a);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	293 } else {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	294 Label ok;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	295 cmpdi(CCR0, a, 0);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	296 bne(CCR0, ok);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	297 load_const_optimized(temp_reg, exception_entry);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	298 mtctr(temp_reg);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	299 bctr();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	300 bind(ok);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	301 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	302 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	303 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	304
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14436 diff changeset	305 inline void MacroAssembler::load_with_trap_null_check(Register d, int si16, Register s1) {
14436 b0133e4187d3 8028471: PPC64 (part 215): opto: Extend ImplicitNullCheck optimization. goetz parents: 14408 diff changeset	306 if (!os::zero_page_read_protected()) {
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	307 if (TrapBasedNullChecks) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	308 trap_null_check(s1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	309 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	310 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	311 ld(d, si16, s1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	312 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	313
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	314 inline void MacroAssembler::load_heap_oop_not_null(Register d, RegisterOrConstant offs, Register s1) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	315 if (UseCompressedOops) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	316 lwz(d, offs, s1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	317 // Attention: no null check here!
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	318 decode_heap_oop_not_null(d);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	319 } else {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	320 ld(d, offs, s1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	321 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	322 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	323
17804 fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 17803 diff changeset	324 inline void MacroAssembler::store_heap_oop_not_null(Register d, RegisterOrConstant offs, Register s1, Register tmp) {
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 17803 diff changeset	325 if (UseCompressedOops) {
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 17803 diff changeset	326 Register compressedOop = encode_heap_oop_not_null((tmp != noreg) ? tmp : d, d);
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 17803 diff changeset	327 stw(compressedOop, offs, s1);
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 17803 diff changeset	328 } else {
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 17803 diff changeset	329 std(d, offs, s1);
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 17803 diff changeset	330 }
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 17803 diff changeset	331 }
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 17803 diff changeset	332
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	333 inline void MacroAssembler::load_heap_oop(Register d, RegisterOrConstant offs, Register s1) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	334 if (UseCompressedOops) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	335 lwz(d, offs, s1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	336 decode_heap_oop(d);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	337 } else {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	338 ld(d, offs, s1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	339 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	340 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	341
17804 fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 17803 diff changeset	342 inline Register MacroAssembler::encode_heap_oop_not_null(Register d, Register src) {
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 17803 diff changeset	343 Register current = (src!=noreg) ? src : d; // Compressed oop is in d if no src provided.
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	344 if (Universe::narrow_oop_base() != NULL) {
17804 fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 17803 diff changeset	345 sub(d, current, R30);
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 17803 diff changeset	346 current = d;
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	347 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	348 if (Universe::narrow_oop_shift() != 0) {
17804 fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 17803 diff changeset	349 srdi(d, current, LogMinObjAlignmentInBytes);
fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 17803 diff changeset	350 current = d;
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	351 }
17804 fd1b9f02cc91 8036976: PPC64: implement the template interpreter goetz parents: 17803 diff changeset	352 return current; // Encoded oop is in this register.
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	353 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	354
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	355 inline void MacroAssembler::decode_heap_oop_not_null(Register d) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	356 if (Universe::narrow_oop_shift() != 0) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	357 assert (LogMinObjAlignmentInBytes == Universe::narrow_oop_shift(), "decode alg wrong");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	358 sldi(d, d, LogMinObjAlignmentInBytes);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	359 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	360 if (Universe::narrow_oop_base() != NULL) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	361 add(d, d, R30);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	362 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	363 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	364
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	365 inline void MacroAssembler::decode_heap_oop(Register d) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	366 Label isNull;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	367 if (Universe::narrow_oop_base() != NULL) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	368 cmpwi(CCR0, d, 0);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	369 beq(CCR0, isNull);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	370 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	371 if (Universe::narrow_oop_shift() != 0) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	372 assert (LogMinObjAlignmentInBytes == Universe::narrow_oop_shift(), "decode alg wrong");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	373 sldi(d, d, LogMinObjAlignmentInBytes);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	374 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	375 if (Universe::narrow_oop_base() != NULL) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	376 add(d, d, R30);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	377 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	378 bind(isNull);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	379 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	380
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	381 // SIGTRAP-based range checks for arrays.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	382 inline void MacroAssembler::trap_range_check_l(Register a, Register b) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	383 tw (traptoLessThanUnsigned, a/reg a/, b/reg b/);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	384 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	385 inline void MacroAssembler::trap_range_check_l(Register a, int si16) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	386 twi(traptoLessThanUnsigned, a/reg a/, si16);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	387 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	388 inline void MacroAssembler::trap_range_check_le(Register a, int si16) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	389 twi(traptoEqual \| traptoLessThanUnsigned, a/reg a/, si16);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	390 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	391 inline void MacroAssembler::trap_range_check_g(Register a, int si16) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	392 twi(traptoGreaterThanUnsigned, a/reg a/, si16);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	393 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	394 inline void MacroAssembler::trap_range_check_ge(Register a, Register b) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	395 tw (traptoEqual \| traptoGreaterThanUnsigned, a/reg a/, b/reg b/);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	396 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	397 inline void MacroAssembler::trap_range_check_ge(Register a, int si16) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	398 twi(traptoEqual \| traptoGreaterThanUnsigned, a/reg a/, si16);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	399 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	400
17803 31e80afe3fed 8035647: PPC64: Support for elf v2 abi. goetz parents: 14445 diff changeset	401 #if defined(ABI_ELFv2)
31e80afe3fed 8035647: PPC64: Support for elf v2 abi. goetz parents: 14445 diff changeset	402 inline address MacroAssembler::function_entry() { return pc(); }
31e80afe3fed 8035647: PPC64: Support for elf v2 abi. goetz parents: 14445 diff changeset	403 #else
31e80afe3fed 8035647: PPC64: Support for elf v2 abi. goetz parents: 14445 diff changeset	404 inline address MacroAssembler::function_entry() { return emit_fd(); }
31e80afe3fed 8035647: PPC64: Support for elf v2 abi. goetz parents: 14445 diff changeset	405 #endif
31e80afe3fed 8035647: PPC64: Support for elf v2 abi. goetz parents: 14445 diff changeset	406
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	407 #endif // CPU_PPC_VM_MACROASSEMBLER_PPC_INLINE_HPP

Mercurial > hg > truffle

annotate src/cpu/ppc/vm/macroAssembler_ppc.inline.hpp @ 17804:fd1b9f02cc91