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src/hotspot/cpu/x86/x86_64.ad

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*** 1,7 **** // ! // Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved. // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. // // This code is free software; you can redistribute it and/or modify it // under the terms of the GNU General Public License version 2 only, as // published by the Free Software Foundation. --- 1,7 ---- // ! // Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved. // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. // // This code is free software; you can redistribute it and/or modify it // under the terms of the GNU General Public License version 2 only, as // published by the Free Software Foundation.
*** 540,549 **** --- 540,552 ---- source_hpp %{ #if INCLUDE_ZGC #include "gc/z/zBarrierSetAssembler.hpp" #endif + #if INCLUDE_SHENANDOAHGC + #include "gc/shenandoah/shenandoahBarrierSetAssembler.hpp" + #endif %} //----------SOURCE BLOCK------------------------------------------------------- // This is a block of C++ code which provides values, functions, and // definitions necessary in the rest of the architecture description
*** 7578,7587 **** --- 7581,7617 ---- REX_reg_breg(res, res), // movzbl Opcode(0xF), Opcode(0xB6), reg_reg(res, res)); ins_pipe( pipe_cmpxchg ); %} + instruct compareAndSwapP_shenandoah(rRegI res, + memory mem_ptr, + rRegP tmp1, rRegP tmp2, + rax_RegP oldval, rRegP newval, + rFlagsReg cr) + %{ + predicate(VM_Version::supports_cx8()); + match(Set res (ShenandoahCompareAndSwapP mem_ptr (Binary oldval newval))); + match(Set res (ShenandoahWeakCompareAndSwapP mem_ptr (Binary oldval newval))); + effect(TEMP tmp1, TEMP tmp2, KILL cr, KILL oldval); + + format %{ "shenandoah_cas_oop $mem_ptr,$newval" %} + + ins_encode %{ + #if INCLUDE_SHENANDOAHGC + ShenandoahBarrierSet::assembler()->cmpxchg_oop(&_masm, + $res$$Register, $mem_ptr$$Address, $oldval$$Register, $newval$$Register, + false, // swap + $tmp1$$Register, $tmp2$$Register + ); + #else + ShouldNotReachHere(); + #endif + %} + ins_pipe( pipe_cmpxchg ); + %} + instruct compareAndSwapL(rRegI res, memory mem_ptr, rax_RegL oldval, rRegL newval, rFlagsReg cr) %{
*** 7699,7708 **** --- 7729,7763 ---- REX_reg_breg(res, res), // movzbl Opcode(0xF), Opcode(0xB6), reg_reg(res, res)); ins_pipe( pipe_cmpxchg ); %} + instruct compareAndSwapN_shenandoah(rRegI res, + memory mem_ptr, + rRegP tmp1, rRegP tmp2, + rax_RegN oldval, rRegN newval, + rFlagsReg cr) %{ + match(Set res (ShenandoahCompareAndSwapN mem_ptr (Binary oldval newval))); + match(Set res (ShenandoahWeakCompareAndSwapN mem_ptr (Binary oldval newval))); + effect(TEMP tmp1, TEMP tmp2, KILL cr, KILL oldval); + + format %{ "shenandoah_cas_oop $mem_ptr,$newval" %} + + ins_encode %{ + #if INCLUDE_SHENANDOAHGC + ShenandoahBarrierSet::assembler()->cmpxchg_oop(&_masm, + $res$$Register, $mem_ptr$$Address, $oldval$$Register, $newval$$Register, + false, // swap + $tmp1$$Register, $tmp2$$Register + ); + #else + ShouldNotReachHere(); + #endif + %} + ins_pipe( pipe_cmpxchg ); + %} + instruct compareAndExchangeB( memory mem_ptr, rax_RegI oldval, rRegI newval, rFlagsReg cr) %{
*** 7795,7804 **** --- 7850,7882 ---- reg_mem(newval, mem_ptr) // lock cmpxchg ); ins_pipe( pipe_cmpxchg ); %} + instruct compareAndExchangeN_shenandoah(memory mem_ptr, + rax_RegN oldval, rRegN newval, + rRegP tmp1, rRegP tmp2, + rFlagsReg cr) %{ + match(Set oldval (ShenandoahCompareAndExchangeN mem_ptr (Binary oldval newval))); + effect(TEMP tmp1, TEMP tmp2, KILL cr); + + format %{ "shenandoah_cas_oop $mem_ptr,$newval" %} + + ins_encode %{ + #if INCLUDE_SHENANDOAHGC + ShenandoahBarrierSet::assembler()->cmpxchg_oop(&_masm, + NULL, $mem_ptr$$Address, $oldval$$Register, $newval$$Register, + true, // exchange + $tmp1$$Register, $tmp2$$Register + ); + #else + ShouldNotReachHere(); + #endif + %} + ins_pipe( pipe_cmpxchg ); + %} + instruct compareAndExchangeP( memory mem_ptr, rax_RegP oldval, rRegP newval, rFlagsReg cr) %{
*** 7815,7824 **** --- 7893,7928 ---- reg_mem(newval, mem_ptr) // lock cmpxchg ); ins_pipe( pipe_cmpxchg ); %} + instruct compareAndExchangeP_shenandoah(memory mem_ptr, + rax_RegP oldval, rRegP newval, + rRegP tmp1, rRegP tmp2, + rFlagsReg cr) + %{ + predicate(VM_Version::supports_cx8()); + match(Set oldval (ShenandoahCompareAndExchangeP mem_ptr (Binary oldval newval))); + effect(KILL cr, TEMP tmp1, TEMP tmp2); + ins_cost(1000); + + format %{ "shenandoah_cas_oop $mem_ptr,$newval" %} + + ins_encode %{ + #if INCLUDE_SHENANDOAHGC + ShenandoahBarrierSet::assembler()->cmpxchg_oop(&_masm, + NULL, $mem_ptr$$Address, $oldval$$Register, $newval$$Register, + true, // exchange + $tmp1$$Register, $tmp2$$Register + ); + #else + ShouldNotReachHere(); + #endif + %} + ins_pipe( pipe_cmpxchg ); + %} + instruct xaddB_no_res( memory mem, Universe dummy, immI add, rFlagsReg cr) %{ predicate(n->as_LoadStore()->result_not_used()); match(Set dummy (GetAndAddB mem add)); effect(KILL cr); format %{ "ADDB [$mem],$add" %}
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