author | rkennke |
Sat, 26 Jan 2019 01:21:33 +0100 | |
changeset 53519 | 74a5ef4c81cc |
parent 52925 | 9c18c9d839d3 |
child 54423 | 6c0ab8bd8da5 |
permissions | -rw-r--r-- |
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// |
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// Copyright (c) 2018, Red Hat, Inc. All rights reserved. |
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// |
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// This code is free software; you can redistribute it and/or modify it |
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// under the terms of the GNU General Public License version 2 only, as |
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// published by the Free Software Foundation. |
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// |
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// This code is distributed in the hope that it will be useful, but WITHOUT |
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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// version 2 for more details (a copy is included in the LICENSE file that |
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// accompanied this code). |
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// |
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// You should have received a copy of the GNU General Public License version |
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// 2 along with this work; if not, write to the Free Software Foundation, |
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// Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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// |
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// Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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// or visit www.oracle.com if you need additional information or have any |
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// questions. |
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// |
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// |
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source_hpp %{ |
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#include "gc/shenandoah/shenandoahBarrierSetAssembler.hpp" |
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%} |
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instruct shenandoahRB(rRegP dst, rRegP src, rFlagsReg cr) %{ |
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match(Set dst (ShenandoahReadBarrier src)); |
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effect(DEF dst, USE src); |
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ins_cost(125); // XXX |
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format %{ "shenandoah_rb $dst, $src" %} |
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ins_encode %{ |
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Register d = $dst$$Register; |
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Register s = $src$$Register; |
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__ movptr(d, Address(s, ShenandoahBrooksPointer::byte_offset())); |
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%} |
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ins_pipe(ialu_reg_mem); |
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%} |
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|
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instruct shenandoahRBNarrow(rRegP dst, rRegN src) %{ |
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predicate(UseCompressedOops && (Universe::narrow_oop_shift() == 0)); |
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match(Set dst (ShenandoahReadBarrier (DecodeN src))); |
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effect(DEF dst, USE src); |
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ins_cost(125); // XXX |
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format %{ "shenandoah_rb $dst, $src" %} |
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ins_encode %{ |
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Register d = $dst$$Register; |
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Register s = $src$$Register; |
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__ movptr(d, Address(r12, s, Address::times_1, ShenandoahBrooksPointer::byte_offset())); |
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%} |
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ins_pipe(ialu_reg_mem); |
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%} |
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|
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instruct shenandoahRBNarrowShift(rRegP dst, rRegN src) %{ |
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predicate(UseCompressedOops && (Universe::narrow_oop_shift() == Address::times_8)); |
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match(Set dst (ShenandoahReadBarrier (DecodeN src))); |
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effect(DEF dst, USE src); |
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ins_cost(125); // XXX |
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format %{ "shenandoah_rb $dst, $src" %} |
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ins_encode %{ |
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Register d = $dst$$Register; |
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Register s = $src$$Register; |
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__ movptr(d, Address(r12, s, Address::times_8, ShenandoahBrooksPointer::byte_offset())); |
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%} |
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ins_pipe(ialu_reg_mem); |
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%} |
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instruct compareAndSwapP_shenandoah(rRegI res, |
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memory mem_ptr, |
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rRegP tmp1, rRegP tmp2, |
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rax_RegP oldval, rRegP newval, |
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rFlagsReg cr) |
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%{ |
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predicate(VM_Version::supports_cx8()); |
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match(Set res (ShenandoahCompareAndSwapP mem_ptr (Binary oldval newval))); |
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match(Set res (ShenandoahWeakCompareAndSwapP mem_ptr (Binary oldval newval))); |
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effect(TEMP tmp1, TEMP tmp2, KILL cr, KILL oldval); |
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format %{ "shenandoah_cas_oop $mem_ptr,$newval" %} |
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ins_encode %{ |
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ShenandoahBarrierSet::assembler()->cmpxchg_oop(&_masm, |
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$res$$Register, $mem_ptr$$Address, $oldval$$Register, $newval$$Register, |
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false, // swap |
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$tmp1$$Register, $tmp2$$Register |
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); |
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%} |
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ins_pipe( pipe_cmpxchg ); |
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%} |
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instruct compareAndSwapN_shenandoah(rRegI res, |
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memory mem_ptr, |
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rRegP tmp1, rRegP tmp2, |
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rax_RegN oldval, rRegN newval, |
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rFlagsReg cr) %{ |
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match(Set res (ShenandoahCompareAndSwapN mem_ptr (Binary oldval newval))); |
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match(Set res (ShenandoahWeakCompareAndSwapN mem_ptr (Binary oldval newval))); |
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effect(TEMP tmp1, TEMP tmp2, KILL cr, KILL oldval); |
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100 |
|
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format %{ "shenandoah_cas_oop $mem_ptr,$newval" %} |
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102 |
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ins_encode %{ |
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104 |
ShenandoahBarrierSet::assembler()->cmpxchg_oop(&_masm, |
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105 |
$res$$Register, $mem_ptr$$Address, $oldval$$Register, $newval$$Register, |
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106 |
false, // swap |
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107 |
$tmp1$$Register, $tmp2$$Register |
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108 |
); |
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109 |
%} |
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110 |
ins_pipe( pipe_cmpxchg ); |
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111 |
%} |
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112 |
|
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113 |
instruct compareAndExchangeN_shenandoah(memory mem_ptr, |
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114 |
rax_RegN oldval, rRegN newval, |
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115 |
rRegP tmp1, rRegP tmp2, |
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116 |
rFlagsReg cr) %{ |
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117 |
match(Set oldval (ShenandoahCompareAndExchangeN mem_ptr (Binary oldval newval))); |
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118 |
effect(TEMP tmp1, TEMP tmp2, KILL cr); |
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119 |
|
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120 |
format %{ "shenandoah_cas_oop $mem_ptr,$newval" %} |
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121 |
|
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122 |
ins_encode %{ |
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123 |
ShenandoahBarrierSet::assembler()->cmpxchg_oop(&_masm, |
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124 |
NULL, $mem_ptr$$Address, $oldval$$Register, $newval$$Register, |
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125 |
true, // exchange |
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126 |
$tmp1$$Register, $tmp2$$Register |
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127 |
); |
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128 |
%} |
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129 |
ins_pipe( pipe_cmpxchg ); |
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130 |
%} |
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131 |
|
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132 |
instruct compareAndExchangeP_shenandoah(memory mem_ptr, |
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133 |
rax_RegP oldval, rRegP newval, |
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134 |
rRegP tmp1, rRegP tmp2, |
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135 |
rFlagsReg cr) |
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136 |
%{ |
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137 |
predicate(VM_Version::supports_cx8()); |
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138 |
match(Set oldval (ShenandoahCompareAndExchangeP mem_ptr (Binary oldval newval))); |
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139 |
effect(KILL cr, TEMP tmp1, TEMP tmp2); |
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140 |
ins_cost(1000); |
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141 |
|
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142 |
format %{ "shenandoah_cas_oop $mem_ptr,$newval" %} |
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143 |
|
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144 |
ins_encode %{ |
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145 |
ShenandoahBarrierSet::assembler()->cmpxchg_oop(&_masm, |
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146 |
NULL, $mem_ptr$$Address, $oldval$$Register, $newval$$Register, |
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147 |
true, // exchange |
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148 |
$tmp1$$Register, $tmp2$$Register |
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149 |
); |
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150 |
%} |
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151 |
ins_pipe( pipe_cmpxchg ); |
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152 |
%} |