truffle: src/cpu/ppc/vm/macroAssembler

annotate src/cpu/ppc/vm/macroAssembler_ppc.inline.hpp @ 14436:b0133e4187d3

8028471: PPC64 (part 215): opto: Extend ImplicitNullCheck optimization. Summary: Fixed Implicit NULL check optimization for AIX, where the page at address '0' is only write-protected. Reviewed-by: kvn

author	goetz
date	Thu, 21 Nov 2013 18:29:34 -0800
parents	ec28f9c041ff
children	67fa91961822

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.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	3 * Copyright 2012, 2013 SAP AG. All rights reserved.
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) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	61 if(rs !=rd) mr(rd, rs);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	62 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	63
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	64 // Address of the global TOC.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	65 inline address MacroAssembler::global_toc() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	66 return CodeCache::low_bound();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	67 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	68
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	69 // Offset of given address to the global TOC.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	70 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	71 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	72 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	73 return (int)offset;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	74 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	75
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	76 // Address of current method's TOC.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	77 inline address MacroAssembler::method_toc() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	78 return code()->consts()->start();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	79 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	80
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	81 // Offset of given address to current method's TOC.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	82 inline int MacroAssembler::offset_to_method_toc(address addr) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	83 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	84 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	85 return (int)offset;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	86 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	87
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	88 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	89 const address inst2_addr = a;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	90 const int inst2 = (int ) a;
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 // The relocation points to the second instruction, the addi.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	93 if (!is_addi(inst2)) return false;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	94
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	95 // The addi reads and writes the same register dst.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	96 const int dst = inv_rt_field(inst2);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	97 if (inv_ra_field(inst2) != dst) return false;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	98
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	99 // Now, find the preceding addis which writes to dst.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	100 int inst1 = 0;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	101 address inst1_addr = inst2_addr - BytesPerInstWord;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	102 while (inst1_addr >= bound) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	103 inst1 = (int ) inst1_addr;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	104 if (is_addis(inst1) && inv_rt_field(inst1) == dst) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	105 // stop, found the addis which writes dst
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	106 break;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	107 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	108 inst1_addr -= BytesPerInstWord;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	109 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	110
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	111 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	112 return is_addis(inst1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	113 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	114
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	115 #ifdef _LP64
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	116 // Detect narrow oop constants.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	117 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	118 const address inst2_addr = a;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	119 const int inst2 = (int )a;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	120
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	121 // The relocation points to the second instruction, the addi.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	122 if (!is_addi(inst2)) return false;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	123
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	124 // The addi reads and writes the same register dst.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	125 const int dst = inv_rt_field(inst2);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	126 if (inv_ra_field(inst2) != dst) return false;
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 // Now, find the preceding addis which writes to dst.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	129 int inst1 = 0;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	130 address inst1_addr = inst2_addr - BytesPerInstWord;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	131 while (inst1_addr >= bound) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	132 inst1 = (int ) inst1_addr;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	133 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	134 inst1_addr -= BytesPerInstWord;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	135 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	136 return false;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	137 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	138 #endif
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	139
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	140
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	141 inline bool MacroAssembler::is_load_const_at(address a) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	142 const int* p_inst = (int *) a;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	143 bool b = is_lis(*p_inst++);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	144 if (is_ori(*p_inst)) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	145 p_inst++;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	146 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	147 b = b && is_oris(*p_inst++);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	148 b = b && is_ori(*p_inst);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	149 } else if (is_lis(*p_inst)) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	150 p_inst++;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	151 b = b && is_ori(*p_inst++);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	152 b = b && is_ori(*p_inst);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	153 // TODO: could enhance reliability by adding is_insrdi
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	154 } else return false;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	155 return b;
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
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	158 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	159 set_oop(constant_oop_address(obj), d);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	160 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	161
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	162 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	163 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	164 load_const(d, obj_addr);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	165 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	166
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	167 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	168 jint& stub_inst = (jint) branch;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	169 stub_inst = patched_branch(target - branch, stub_inst, 0);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	170 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	171
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	172 // Relocation of conditional far branches.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	173 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	174 // Variant 1, the 1st instruction contains the destination address:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	175 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	176 // bcxx DEST
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	177 // endgroup
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	178 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	179 const int instruction_1 = (int)(instruction_addr);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	180 const int instruction_2 = (int)(instruction_addr + 4);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	181 return is_bcxx(instruction_1) &&
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	182 (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	183 is_endgroup(instruction_2);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	184 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	185
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	186 // Relocation of conditional far branches.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	187 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	188 // Variant 2, the 2nd instruction contains the destination address:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	189 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	190 // b!cxx SKIP
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	191 // bxx DEST
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	192 // SKIP:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	193 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	194 const int instruction_1 = (int)(instruction_addr);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	195 const int instruction_2 = (int)(instruction_addr + 4);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	196 return is_bcxx(instruction_1) &&
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	197 (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	198 is_bxx(instruction_2);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	199 }
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 // Relocation for conditional branches
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	202 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	203 // 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	204 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	205 // nop
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	206 // endgroup
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	207 // SKIP/DEST:
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	208 //
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	209 const int instruction_1 = (int)(instruction_addr);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	210 const int instruction_2 = (int)(instruction_addr + 4);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	211 return is_nop(instruction_1) &&
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	212 is_endgroup(instruction_2);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	213 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	214
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 // Convenience bc_far versions
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	217 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	218 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	219 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	220 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	221 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	222 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	223 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	224 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	225
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	226 inline address MacroAssembler::call_stub(Register function_entry) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	227 mtctr(function_entry);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	228 bctrl();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	229 return pc();
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 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	233 assert_different_registers(function_entry, return_pc);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	234 mtlr(return_pc);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	235 mtctr(function_entry);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	236 bctr();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	237 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	238
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	239 // 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	240 inline address MacroAssembler::last_calls_return_pc() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	241 return _last_calls_return_pc;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	242 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	243
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	244 // 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	245 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	246 ld(R0, offset, polling_page_address);
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
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	249 // Trap-instruction-based checks.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	250
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	251 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	252 assert(TrapBasedNullChecks, "sanity");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	253 tdi(cmp, a/reg a/, 0);
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 inline void MacroAssembler::trap_zombie_not_entrant() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	256 tdi(traptoUnconditional, 0/reg 0/, 1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	257 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	258 inline void MacroAssembler::trap_should_not_reach_here() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	259 tdi_unchecked(traptoUnconditional, 0/reg 0/, 2);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	260 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	261
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	262 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	263 td(traptoGreaterThanUnsigned \| traptoLessThanUnsigned, a, b);
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
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	266 // 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	267 // 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	268 // branches to exception_entry.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	269 // No support for compressed oops (base page of heap). Does not distinguish
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	270 // loads and stores.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	271 inline void MacroAssembler::null_check_throw(Register a, int offset, Register temp_reg, address exception_entry) {
14436 b0133e4187d3 8028471: PPC64 (part 215): opto: Extend ImplicitNullCheck optimization. goetz parents: 14408 diff changeset	272 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	273 if (TrapBasedNullChecks) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	274 assert(UseSIGTRAP, "sanity");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	275 trap_null_check(a);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	276 } else {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	277 Label ok;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	278 cmpdi(CCR0, a, 0);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	279 bne(CCR0, ok);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	280 load_const_optimized(temp_reg, exception_entry);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	281 mtctr(temp_reg);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	282 bctr();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	283 bind(ok);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	284 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	285 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	286 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	287
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	288 inline void MacroAssembler::ld_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	289 if (!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 trap_null_check(s1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	292 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	293 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	294 ld(d, si16, s1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	295 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	296
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	297 // Attention: No null check for loaded uncompressed OOP. Can be used for loading klass field.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	298 inline void MacroAssembler::load_heap_oop_with_trap_null_check(Register d, RegisterOrConstant si16,
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	299 Register s1) {
14436 b0133e4187d3 8028471: PPC64 (part 215): opto: Extend ImplicitNullCheck optimization. goetz parents: 14408 diff changeset	300 if ( !os::zero_page_read_protected()) {
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	301 if (TrapBasedNullChecks) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	302 trap_null_check(s1);
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 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	305 load_heap_oop_not_null(d, si16, s1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	306 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	307
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	308 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	309 if (UseCompressedOops) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	310 lwz(d, offs, s1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	311 // Attention: no null check here!
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	312 decode_heap_oop_not_null(d);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	313 } else {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	314 ld(d, offs, s1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	315 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	316 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	317
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	318 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	319 if (UseCompressedOops) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	320 lwz(d, offs, s1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	321 decode_heap_oop(d);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	322 } else {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	323 ld(d, offs, s1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	324 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	325 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	326
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	327 inline void MacroAssembler::encode_heap_oop_not_null(Register d) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	328 if (Universe::narrow_oop_base() != NULL) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	329 sub(d, d, R30);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	330 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	331 if (Universe::narrow_oop_shift() != 0) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	332 srdi(d, d, LogMinObjAlignmentInBytes);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	333 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	334 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	335
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	336 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	337 if (Universe::narrow_oop_shift() != 0) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	338 assert (LogMinObjAlignmentInBytes == Universe::narrow_oop_shift(), "decode alg wrong");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	339 sldi(d, d, LogMinObjAlignmentInBytes);
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 if (Universe::narrow_oop_base() != NULL) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	342 add(d, d, R30);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	343 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	344 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	345
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	346 inline void MacroAssembler::decode_heap_oop(Register d) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	347 Label isNull;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	348 if (Universe::narrow_oop_base() != NULL) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	349 cmpwi(CCR0, d, 0);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	350 beq(CCR0, isNull);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	351 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	352 if (Universe::narrow_oop_shift() != 0) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	353 assert (LogMinObjAlignmentInBytes == Universe::narrow_oop_shift(), "decode alg wrong");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	354 sldi(d, d, LogMinObjAlignmentInBytes);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	355 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	356 if (Universe::narrow_oop_base() != NULL) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	357 add(d, d, R30);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	358 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	359 bind(isNull);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	360 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	361
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	362 // SIGTRAP-based range checks for arrays.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	363 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	364 tw (traptoLessThanUnsigned, a/reg a/, b/reg b/);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	365 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	366 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	367 twi(traptoLessThanUnsigned, a/reg a/, si16);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	368 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	369 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	370 twi(traptoEqual \| traptoLessThanUnsigned, a/reg a/, si16);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	371 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	372 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	373 twi(traptoGreaterThanUnsigned, a/reg a/, si16);
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 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	376 tw (traptoEqual \| traptoGreaterThanUnsigned, a/reg a/, b/reg b/);
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 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	379 twi(traptoEqual \| traptoGreaterThanUnsigned, a/reg a/, si16);
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
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	382 #endif // CPU_PPC_VM_MACROASSEMBLER_PPC_INLINE_HPP

Mercurial > hg > truffle

annotate src/cpu/ppc/vm/macroAssembler_ppc.inline.hpp @ 14436:b0133e4187d3