7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
Summary: use shorter instruction sequences for atomic add and atomic exchange when possible.
Reviewed-by: kvn, jrose
/*
* Copyright (c) 1997, 2012, 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.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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#ifndef CPU_SPARC_VM_ASSEMBLER_SPARC_INLINE_HPP
#define CPU_SPARC_VM_ASSEMBLER_SPARC_INLINE_HPP
#include "asm/assembler.inline.hpp"
#include "asm/codeBuffer.hpp"
#include "code/codeCache.hpp"
#include "runtime/handles.inline.hpp"
inline void MacroAssembler::pd_patch_instruction(address branch, address target) {
jint& stub_inst = *(jint*) branch;
stub_inst = patched_branch(target - branch, stub_inst, 0);
}
#ifndef PRODUCT
inline void MacroAssembler::pd_print_patched_instruction(address branch) {
jint stub_inst = *(jint*) branch;
print_instruction(stub_inst);
::tty->print("%s", " (unresolved)");
}
#endif // PRODUCT
inline bool Address::is_simm13(int offset) { return Assembler::is_simm13(disp() + offset); }
inline int AddressLiteral::low10() const {
return Assembler::low10(value());
}
// inlines for SPARC assembler -- dmu 5/97
inline void Assembler::check_delay() {
# ifdef CHECK_DELAY
guarantee( delay_state != at_delay_slot, "must say delayed() when filling delay slot");
delay_state = no_delay;
# endif
}
inline void Assembler::emit_long(int x) {
check_delay();
AbstractAssembler::emit_long(x);
}
inline void Assembler::emit_data(int x, relocInfo::relocType rtype) {
relocate(rtype);
emit_long(x);
}
inline void Assembler::emit_data(int x, RelocationHolder const& rspec) {
relocate(rspec);
emit_long(x);
}
inline void Assembler::add(Register s1, Register s2, Register d ) { emit_long( op(arith_op) | rd(d) | op3(add_op3) | rs1(s1) | rs2(s2) ); }
inline void Assembler::add(Register s1, int simm13a, Register d, relocInfo::relocType rtype ) { emit_data( op(arith_op) | rd(d) | op3(add_op3) | rs1(s1) | immed(true) | simm(simm13a, 13), rtype ); }
inline void Assembler::add(Register s1, int simm13a, Register d, RelocationHolder const& rspec ) { emit_data( op(arith_op) | rd(d) | op3(add_op3) | rs1(s1) | immed(true) | simm(simm13a, 13), rspec ); }
inline void Assembler::bpr( RCondition c, bool a, Predict p, Register s1, address d, relocInfo::relocType rt ) { v9_only(); cti(); emit_data( op(branch_op) | annul(a) | cond(c) | op2(bpr_op2) | wdisp16(intptr_t(d), intptr_t(pc())) | predict(p) | rs1(s1), rt); has_delay_slot(); }
inline void Assembler::bpr( RCondition c, bool a, Predict p, Register s1, Label& L) { bpr( c, a, p, s1, target(L)); }
inline void Assembler::fb( Condition c, bool a, address d, relocInfo::relocType rt ) { v9_dep(); cti(); emit_data( op(branch_op) | annul(a) | cond(c) | op2(fb_op2) | wdisp(intptr_t(d), intptr_t(pc()), 22), rt); has_delay_slot(); }
inline void Assembler::fb( Condition c, bool a, Label& L ) { fb(c, a, target(L)); }
inline void Assembler::fbp( Condition c, bool a, CC cc, Predict p, address d, relocInfo::relocType rt ) { v9_only(); cti(); emit_data( op(branch_op) | annul(a) | cond(c) | op2(fbp_op2) | branchcc(cc) | predict(p) | wdisp(intptr_t(d), intptr_t(pc()), 19), rt); has_delay_slot(); }
inline void Assembler::fbp( Condition c, bool a, CC cc, Predict p, Label& L ) { fbp(c, a, cc, p, target(L)); }
inline void Assembler::cb( Condition c, bool a, address d, relocInfo::relocType rt ) { v8_only(); cti(); emit_data( op(branch_op) | annul(a) | cond(c) | op2(cb_op2) | wdisp(intptr_t(d), intptr_t(pc()), 22), rt); has_delay_slot(); }
inline void Assembler::cb( Condition c, bool a, Label& L ) { cb(c, a, target(L)); }
inline void Assembler::br( Condition c, bool a, address d, relocInfo::relocType rt ) { v9_dep(); cti(); emit_data( op(branch_op) | annul(a) | cond(c) | op2(br_op2) | wdisp(intptr_t(d), intptr_t(pc()), 22), rt); has_delay_slot(); }
inline void Assembler::br( Condition c, bool a, Label& L ) { br(c, a, target(L)); }
inline void Assembler::bp( Condition c, bool a, CC cc, Predict p, address d, relocInfo::relocType rt ) { v9_only(); cti(); emit_data( op(branch_op) | annul(a) | cond(c) | op2(bp_op2) | branchcc(cc) | predict(p) | wdisp(intptr_t(d), intptr_t(pc()), 19), rt); has_delay_slot(); }
inline void Assembler::bp( Condition c, bool a, CC cc, Predict p, Label& L ) { bp(c, a, cc, p, target(L)); }
// compare and branch
inline void Assembler::cbcond(Condition c, CC cc, Register s1, Register s2, Label& L) { cti(); no_cbcond_before(); emit_data(op(branch_op) | cond_cbcond(c) | op2(bpr_op2) | branchcc(cc) | wdisp10(intptr_t(target(L)), intptr_t(pc())) | rs1(s1) | rs2(s2)); }
inline void Assembler::cbcond(Condition c, CC cc, Register s1, int simm5, Label& L) { cti(); no_cbcond_before(); emit_data(op(branch_op) | cond_cbcond(c) | op2(bpr_op2) | branchcc(cc) | wdisp10(intptr_t(target(L)), intptr_t(pc())) | rs1(s1) | immed(true) | simm(simm5, 5)); }
inline void Assembler::call( address d, relocInfo::relocType rt ) { cti(); emit_data( op(call_op) | wdisp(intptr_t(d), intptr_t(pc()), 30), rt); has_delay_slot(); assert(rt != relocInfo::virtual_call_type, "must use virtual_call_Relocation::spec"); }
inline void Assembler::call( Label& L, relocInfo::relocType rt ) { call( target(L), rt); }
inline void Assembler::flush( Register s1, Register s2) { emit_long( op(arith_op) | op3(flush_op3) | rs1(s1) | rs2(s2)); }
inline void Assembler::flush( Register s1, int simm13a) { emit_data( op(arith_op) | op3(flush_op3) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
inline void Assembler::jmpl( Register s1, Register s2, Register d ) { cti(); emit_long( op(arith_op) | rd(d) | op3(jmpl_op3) | rs1(s1) | rs2(s2)); has_delay_slot(); }
inline void Assembler::jmpl( Register s1, int simm13a, Register d, RelocationHolder const& rspec ) { cti(); emit_data( op(arith_op) | rd(d) | op3(jmpl_op3) | rs1(s1) | immed(true) | simm(simm13a, 13), rspec); has_delay_slot(); }
inline void Assembler::ldf(FloatRegisterImpl::Width w, Register s1, RegisterOrConstant s2, FloatRegister d) {
if (s2.is_register()) ldf(w, s1, s2.as_register(), d);
else ldf(w, s1, s2.as_constant(), d);
}
inline void Assembler::ldf(FloatRegisterImpl::Width w, Register s1, Register s2, FloatRegister d) { emit_long( op(ldst_op) | fd(d, w) | alt_op3(ldf_op3, w) | rs1(s1) | rs2(s2) ); }
inline void Assembler::ldf(FloatRegisterImpl::Width w, Register s1, int simm13a, FloatRegister d, RelocationHolder const& rspec) { emit_data( op(ldst_op) | fd(d, w) | alt_op3(ldf_op3, w) | rs1(s1) | immed(true) | simm(simm13a, 13), rspec); }
inline void Assembler::ldf(FloatRegisterImpl::Width w, const Address& a, FloatRegister d, int offset) { relocate(a.rspec(offset)); ldf( w, a.base(), a.disp() + offset, d); }
inline void Assembler::ldfsr( Register s1, Register s2) { v9_dep(); emit_long( op(ldst_op) | op3(ldfsr_op3) | rs1(s1) | rs2(s2) ); }
inline void Assembler::ldfsr( Register s1, int simm13a) { v9_dep(); emit_data( op(ldst_op) | op3(ldfsr_op3) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
inline void Assembler::ldxfsr( Register s1, Register s2) { v9_only(); emit_long( op(ldst_op) | rd(G1) | op3(ldfsr_op3) | rs1(s1) | rs2(s2) ); }
inline void Assembler::ldxfsr( Register s1, int simm13a) { v9_only(); emit_data( op(ldst_op) | rd(G1) | op3(ldfsr_op3) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
inline void Assembler::ldc( Register s1, Register s2, int crd) { v8_only(); emit_long( op(ldst_op) | fcn(crd) | op3(ldc_op3 ) | rs1(s1) | rs2(s2) ); }
inline void Assembler::ldc( Register s1, int simm13a, int crd) { v8_only(); emit_data( op(ldst_op) | fcn(crd) | op3(ldc_op3 ) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
inline void Assembler::lddc( Register s1, Register s2, int crd) { v8_only(); emit_long( op(ldst_op) | fcn(crd) | op3(lddc_op3 ) | rs1(s1) | rs2(s2) ); }
inline void Assembler::lddc( Register s1, int simm13a, int crd) { v8_only(); emit_data( op(ldst_op) | fcn(crd) | op3(lddc_op3 ) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
inline void Assembler::ldcsr( Register s1, Register s2, int crd) { v8_only(); emit_long( op(ldst_op) | fcn(crd) | op3(ldcsr_op3) | rs1(s1) | rs2(s2) ); }
inline void Assembler::ldcsr( Register s1, int simm13a, int crd) { v8_only(); emit_data( op(ldst_op) | fcn(crd) | op3(ldcsr_op3) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
inline void Assembler::ldsb( Register s1, Register s2, Register d) { emit_long( op(ldst_op) | rd(d) | op3(ldsb_op3) | rs1(s1) | rs2(s2) ); }
inline void Assembler::ldsb( Register s1, int simm13a, Register d) { emit_data( op(ldst_op) | rd(d) | op3(ldsb_op3) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
inline void Assembler::ldsh( Register s1, Register s2, Register d) { emit_long( op(ldst_op) | rd(d) | op3(ldsh_op3) | rs1(s1) | rs2(s2) ); }
inline void Assembler::ldsh( Register s1, int simm13a, Register d) { emit_data( op(ldst_op) | rd(d) | op3(ldsh_op3) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
inline void Assembler::ldsw( Register s1, Register s2, Register d) { emit_long( op(ldst_op) | rd(d) | op3(ldsw_op3) | rs1(s1) | rs2(s2) ); }
inline void Assembler::ldsw( Register s1, int simm13a, Register d) { emit_data( op(ldst_op) | rd(d) | op3(ldsw_op3) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
inline void Assembler::ldub( Register s1, Register s2, Register d) { emit_long( op(ldst_op) | rd(d) | op3(ldub_op3) | rs1(s1) | rs2(s2) ); }
inline void Assembler::ldub( Register s1, int simm13a, Register d) { emit_data( op(ldst_op) | rd(d) | op3(ldub_op3) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
inline void Assembler::lduh( Register s1, Register s2, Register d) { emit_long( op(ldst_op) | rd(d) | op3(lduh_op3) | rs1(s1) | rs2(s2) ); }
inline void Assembler::lduh( Register s1, int simm13a, Register d) { emit_data( op(ldst_op) | rd(d) | op3(lduh_op3) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
inline void Assembler::lduw( Register s1, Register s2, Register d) { emit_long( op(ldst_op) | rd(d) | op3(lduw_op3) | rs1(s1) | rs2(s2) ); }
inline void Assembler::lduw( Register s1, int simm13a, Register d) { emit_data( op(ldst_op) | rd(d) | op3(lduw_op3) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
inline void Assembler::ldx( Register s1, Register s2, Register d) { v9_only(); emit_long( op(ldst_op) | rd(d) | op3(ldx_op3) | rs1(s1) | rs2(s2) ); }
inline void Assembler::ldx( Register s1, int simm13a, Register d) { v9_only(); emit_data( op(ldst_op) | rd(d) | op3(ldx_op3) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
inline void Assembler::ldd( Register s1, Register s2, Register d) { v9_dep(); assert(d->is_even(), "not even"); emit_long( op(ldst_op) | rd(d) | op3(ldd_op3) | rs1(s1) | rs2(s2) ); }
inline void Assembler::ldd( Register s1, int simm13a, Register d) { v9_dep(); assert(d->is_even(), "not even"); emit_data( op(ldst_op) | rd(d) | op3(ldd_op3) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
#ifdef _LP64
// Make all 32 bit loads signed so 64 bit registers maintain proper sign
inline void Assembler::ld( Register s1, Register s2, Register d) { ldsw( s1, s2, d); }
inline void Assembler::ld( Register s1, int simm13a, Register d) { ldsw( s1, simm13a, d); }
#else
inline void Assembler::ld( Register s1, Register s2, Register d) { lduw( s1, s2, d); }
inline void Assembler::ld( Register s1, int simm13a, Register d) { lduw( s1, simm13a, d); }
#endif
#ifdef ASSERT
// ByteSize is only a class when ASSERT is defined, otherwise it's an int.
# ifdef _LP64
inline void Assembler::ld( Register s1, ByteSize simm13a, Register d) { ldsw( s1, in_bytes(simm13a), d); }
# else
inline void Assembler::ld( Register s1, ByteSize simm13a, Register d) { lduw( s1, in_bytes(simm13a), d); }
# endif
#endif
inline void Assembler::ld( const Address& a, Register d, int offset) {
if (a.has_index()) { assert(offset == 0, ""); ld( a.base(), a.index(), d); }
else { ld( a.base(), a.disp() + offset, d); }
}
inline void Assembler::ldsb(const Address& a, Register d, int offset) {
if (a.has_index()) { assert(offset == 0, ""); ldsb(a.base(), a.index(), d); }
else { ldsb(a.base(), a.disp() + offset, d); }
}
inline void Assembler::ldsh(const Address& a, Register d, int offset) {
if (a.has_index()) { assert(offset == 0, ""); ldsh(a.base(), a.index(), d); }
else { ldsh(a.base(), a.disp() + offset, d); }
}
inline void Assembler::ldsw(const Address& a, Register d, int offset) {
if (a.has_index()) { assert(offset == 0, ""); ldsw(a.base(), a.index(), d); }
else { ldsw(a.base(), a.disp() + offset, d); }
}
inline void Assembler::ldub(const Address& a, Register d, int offset) {
if (a.has_index()) { assert(offset == 0, ""); ldub(a.base(), a.index(), d); }
else { ldub(a.base(), a.disp() + offset, d); }
}
inline void Assembler::lduh(const Address& a, Register d, int offset) {
if (a.has_index()) { assert(offset == 0, ""); lduh(a.base(), a.index(), d); }
else { lduh(a.base(), a.disp() + offset, d); }
}
inline void Assembler::lduw(const Address& a, Register d, int offset) {
if (a.has_index()) { assert(offset == 0, ""); lduw(a.base(), a.index(), d); }
else { lduw(a.base(), a.disp() + offset, d); }
}
inline void Assembler::ldd( const Address& a, Register d, int offset) {
if (a.has_index()) { assert(offset == 0, ""); ldd( a.base(), a.index(), d); }
else { ldd( a.base(), a.disp() + offset, d); }
}
inline void Assembler::ldx( const Address& a, Register d, int offset) {
if (a.has_index()) { assert(offset == 0, ""); ldx( a.base(), a.index(), d); }
else { ldx( a.base(), a.disp() + offset, d); }
}
inline void Assembler::ldub(Register s1, RegisterOrConstant s2, Register d) { ldub(Address(s1, s2), d); }
inline void Assembler::ldsb(Register s1, RegisterOrConstant s2, Register d) { ldsb(Address(s1, s2), d); }
inline void Assembler::lduh(Register s1, RegisterOrConstant s2, Register d) { lduh(Address(s1, s2), d); }
inline void Assembler::ldsh(Register s1, RegisterOrConstant s2, Register d) { ldsh(Address(s1, s2), d); }
inline void Assembler::lduw(Register s1, RegisterOrConstant s2, Register d) { lduw(Address(s1, s2), d); }
inline void Assembler::ldsw(Register s1, RegisterOrConstant s2, Register d) { ldsw(Address(s1, s2), d); }
inline void Assembler::ldx( Register s1, RegisterOrConstant s2, Register d) { ldx( Address(s1, s2), d); }
inline void Assembler::ld( Register s1, RegisterOrConstant s2, Register d) { ld( Address(s1, s2), d); }
inline void Assembler::ldd( Register s1, RegisterOrConstant s2, Register d) { ldd( Address(s1, s2), d); }
// form effective addresses this way:
inline void Assembler::add(const Address& a, Register d, int offset) {
if (a.has_index()) add(a.base(), a.index(), d);
else { add(a.base(), a.disp() + offset, d, a.rspec(offset)); offset = 0; }
if (offset != 0) add(d, offset, d);
}
inline void Assembler::add(Register s1, RegisterOrConstant s2, Register d, int offset) {
if (s2.is_register()) add(s1, s2.as_register(), d);
else { add(s1, s2.as_constant() + offset, d); offset = 0; }
if (offset != 0) add(d, offset, d);
}
inline void Assembler::andn(Register s1, RegisterOrConstant s2, Register d) {
if (s2.is_register()) andn(s1, s2.as_register(), d);
else andn(s1, s2.as_constant(), d);
}
inline void Assembler::ldstub( Register s1, Register s2, Register d) { emit_long( op(ldst_op) | rd(d) | op3(ldstub_op3) | rs1(s1) | rs2(s2) ); }
inline void Assembler::ldstub( Register s1, int simm13a, Register d) { emit_data( op(ldst_op) | rd(d) | op3(ldstub_op3) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
inline void Assembler::prefetch(Register s1, Register s2, PrefetchFcn f) { v9_only(); emit_long( op(ldst_op) | fcn(f) | op3(prefetch_op3) | rs1(s1) | rs2(s2) ); }
inline void Assembler::prefetch(Register s1, int simm13a, PrefetchFcn f) { v9_only(); emit_data( op(ldst_op) | fcn(f) | op3(prefetch_op3) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
inline void Assembler::prefetch(const Address& a, PrefetchFcn f, int offset) { v9_only(); relocate(a.rspec(offset)); prefetch(a.base(), a.disp() + offset, f); }
inline void Assembler::rett( Register s1, Register s2 ) { cti(); emit_long( op(arith_op) | op3(rett_op3) | rs1(s1) | rs2(s2)); has_delay_slot(); }
inline void Assembler::rett( Register s1, int simm13a, relocInfo::relocType rt) { cti(); emit_data( op(arith_op) | op3(rett_op3) | rs1(s1) | immed(true) | simm(simm13a, 13), rt); has_delay_slot(); }
inline void Assembler::sethi( int imm22a, Register d, RelocationHolder const& rspec ) { emit_data( op(branch_op) | rd(d) | op2(sethi_op2) | hi22(imm22a), rspec); }
// pp 222
inline void Assembler::stf( FloatRegisterImpl::Width w, FloatRegister d, Register s1, RegisterOrConstant s2) {
if (s2.is_register()) stf(w, d, s1, s2.as_register());
else stf(w, d, s1, s2.as_constant());
}
inline void Assembler::stf( FloatRegisterImpl::Width w, FloatRegister d, Register s1, Register s2) { emit_long( op(ldst_op) | fd(d, w) | alt_op3(stf_op3, w) | rs1(s1) | rs2(s2) ); }
inline void Assembler::stf( FloatRegisterImpl::Width w, FloatRegister d, Register s1, int simm13a) { emit_data( op(ldst_op) | fd(d, w) | alt_op3(stf_op3, w) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
inline void Assembler::stf( FloatRegisterImpl::Width w, FloatRegister d, const Address& a, int offset) {
relocate(a.rspec(offset));
if (a.has_index()) { assert(offset == 0, ""); stf(w, d, a.base(), a.index() ); }
else { stf(w, d, a.base(), a.disp() + offset); }
}
inline void Assembler::stfsr( Register s1, Register s2) { v9_dep(); emit_long( op(ldst_op) | op3(stfsr_op3) | rs1(s1) | rs2(s2) ); }
inline void Assembler::stfsr( Register s1, int simm13a) { v9_dep(); emit_data( op(ldst_op) | op3(stfsr_op3) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
inline void Assembler::stxfsr( Register s1, Register s2) { v9_only(); emit_long( op(ldst_op) | rd(G1) | op3(stfsr_op3) | rs1(s1) | rs2(s2) ); }
inline void Assembler::stxfsr( Register s1, int simm13a) { v9_only(); emit_data( op(ldst_op) | rd(G1) | op3(stfsr_op3) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
// p 226
inline void Assembler::stb( Register d, Register s1, Register s2) { emit_long( op(ldst_op) | rd(d) | op3(stb_op3) | rs1(s1) | rs2(s2) ); }
inline void Assembler::stb( Register d, Register s1, int simm13a) { emit_data( op(ldst_op) | rd(d) | op3(stb_op3) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
inline void Assembler::sth( Register d, Register s1, Register s2) { emit_long( op(ldst_op) | rd(d) | op3(sth_op3) | rs1(s1) | rs2(s2) ); }
inline void Assembler::sth( Register d, Register s1, int simm13a) { emit_data( op(ldst_op) | rd(d) | op3(sth_op3) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
inline void Assembler::stw( Register d, Register s1, Register s2) { emit_long( op(ldst_op) | rd(d) | op3(stw_op3) | rs1(s1) | rs2(s2) ); }
inline void Assembler::stw( Register d, Register s1, int simm13a) { emit_data( op(ldst_op) | rd(d) | op3(stw_op3) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
inline void Assembler::stx( Register d, Register s1, Register s2) { v9_only(); emit_long( op(ldst_op) | rd(d) | op3(stx_op3) | rs1(s1) | rs2(s2) ); }
inline void Assembler::stx( Register d, Register s1, int simm13a) { v9_only(); emit_data( op(ldst_op) | rd(d) | op3(stx_op3) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
inline void Assembler::std( Register d, Register s1, Register s2) { v9_dep(); assert(d->is_even(), "not even"); emit_long( op(ldst_op) | rd(d) | op3(std_op3) | rs1(s1) | rs2(s2) ); }
inline void Assembler::std( Register d, Register s1, int simm13a) { v9_dep(); assert(d->is_even(), "not even"); emit_data( op(ldst_op) | rd(d) | op3(std_op3) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
inline void Assembler::st( Register d, Register s1, Register s2) { stw(d, s1, s2); }
inline void Assembler::st( Register d, Register s1, int simm13a) { stw(d, s1, simm13a); }
#ifdef ASSERT
// ByteSize is only a class when ASSERT is defined, otherwise it's an int.
inline void Assembler::st( Register d, Register s1, ByteSize simm13a) { stw(d, s1, in_bytes(simm13a)); }
#endif
inline void Assembler::stb(Register d, const Address& a, int offset) {
if (a.has_index()) { assert(offset == 0, ""); stb(d, a.base(), a.index() ); }
else { stb(d, a.base(), a.disp() + offset); }
}
inline void Assembler::sth(Register d, const Address& a, int offset) {
if (a.has_index()) { assert(offset == 0, ""); sth(d, a.base(), a.index() ); }
else { sth(d, a.base(), a.disp() + offset); }
}
inline void Assembler::stw(Register d, const Address& a, int offset) {
if (a.has_index()) { assert(offset == 0, ""); stw(d, a.base(), a.index() ); }
else { stw(d, a.base(), a.disp() + offset); }
}
inline void Assembler::st( Register d, const Address& a, int offset) {
if (a.has_index()) { assert(offset == 0, ""); st( d, a.base(), a.index() ); }
else { st( d, a.base(), a.disp() + offset); }
}
inline void Assembler::std(Register d, const Address& a, int offset) {
if (a.has_index()) { assert(offset == 0, ""); std(d, a.base(), a.index() ); }
else { std(d, a.base(), a.disp() + offset); }
}
inline void Assembler::stx(Register d, const Address& a, int offset) {
if (a.has_index()) { assert(offset == 0, ""); stx(d, a.base(), a.index() ); }
else { stx(d, a.base(), a.disp() + offset); }
}
inline void Assembler::stb(Register d, Register s1, RegisterOrConstant s2) { stb(d, Address(s1, s2)); }
inline void Assembler::sth(Register d, Register s1, RegisterOrConstant s2) { sth(d, Address(s1, s2)); }
inline void Assembler::stw(Register d, Register s1, RegisterOrConstant s2) { stw(d, Address(s1, s2)); }
inline void Assembler::stx(Register d, Register s1, RegisterOrConstant s2) { stx(d, Address(s1, s2)); }
inline void Assembler::std(Register d, Register s1, RegisterOrConstant s2) { std(d, Address(s1, s2)); }
inline void Assembler::st( Register d, Register s1, RegisterOrConstant s2) { st( d, Address(s1, s2)); }
// v8 p 99
inline void Assembler::stc( int crd, Register s1, Register s2) { v8_only(); emit_long( op(ldst_op) | fcn(crd) | op3(stc_op3 ) | rs1(s1) | rs2(s2) ); }
inline void Assembler::stc( int crd, Register s1, int simm13a) { v8_only(); emit_data( op(ldst_op) | fcn(crd) | op3(stc_op3 ) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
inline void Assembler::stdc( int crd, Register s1, Register s2) { v8_only(); emit_long( op(ldst_op) | fcn(crd) | op3(stdc_op3) | rs1(s1) | rs2(s2) ); }
inline void Assembler::stdc( int crd, Register s1, int simm13a) { v8_only(); emit_data( op(ldst_op) | fcn(crd) | op3(stdc_op3) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
inline void Assembler::stcsr( int crd, Register s1, Register s2) { v8_only(); emit_long( op(ldst_op) | fcn(crd) | op3(stcsr_op3) | rs1(s1) | rs2(s2) ); }
inline void Assembler::stcsr( int crd, Register s1, int simm13a) { v8_only(); emit_data( op(ldst_op) | fcn(crd) | op3(stcsr_op3) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
inline void Assembler::stdcq( int crd, Register s1, Register s2) { v8_only(); emit_long( op(ldst_op) | fcn(crd) | op3(stdcq_op3) | rs1(s1) | rs2(s2) ); }
inline void Assembler::stdcq( int crd, Register s1, int simm13a) { v8_only(); emit_data( op(ldst_op) | fcn(crd) | op3(stdcq_op3) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
inline void Assembler::sub(Register s1, RegisterOrConstant s2, Register d, int offset) {
if (s2.is_register()) sub(s1, s2.as_register(), d);
else { sub(s1, s2.as_constant() + offset, d); offset = 0; }
if (offset != 0) sub(d, offset, d);
}
// pp 231
inline void Assembler::swap( Register s1, Register s2, Register d) { v9_dep(); emit_long( op(ldst_op) | rd(d) | op3(swap_op3) | rs1(s1) | rs2(s2) ); }
inline void Assembler::swap( Register s1, int simm13a, Register d) { v9_dep(); emit_data( op(ldst_op) | rd(d) | op3(swap_op3) | rs1(s1) | immed(true) | simm(simm13a, 13)); }
inline void Assembler::swap( Address& a, Register d, int offset ) {
relocate(a.rspec(offset));
if (a.has_index()) { assert(offset == 0, ""); swap( a.base(), a.index(), d ); }
else { swap( a.base(), a.disp() + offset, d ); }
}
// Use the right loads/stores for the platform
inline void MacroAssembler::ld_ptr( Register s1, Register s2, Register d ) {
#ifdef _LP64
Assembler::ldx(s1, s2, d);
#else
Assembler::ld( s1, s2, d);
#endif
}
inline void MacroAssembler::ld_ptr( Register s1, int simm13a, Register d ) {
#ifdef _LP64
Assembler::ldx(s1, simm13a, d);
#else
Assembler::ld( s1, simm13a, d);
#endif
}
#ifdef ASSERT
// ByteSize is only a class when ASSERT is defined, otherwise it's an int.
inline void MacroAssembler::ld_ptr( Register s1, ByteSize simm13a, Register d ) {
ld_ptr(s1, in_bytes(simm13a), d);
}
#endif
inline void MacroAssembler::ld_ptr( Register s1, RegisterOrConstant s2, Register d ) {
#ifdef _LP64
Assembler::ldx(s1, s2, d);
#else
Assembler::ld( s1, s2, d);
#endif
}
inline void MacroAssembler::ld_ptr(const Address& a, Register d, int offset) {
#ifdef _LP64
Assembler::ldx(a, d, offset);
#else
Assembler::ld( a, d, offset);
#endif
}
inline void MacroAssembler::st_ptr( Register d, Register s1, Register s2 ) {
#ifdef _LP64
Assembler::stx(d, s1, s2);
#else
Assembler::st( d, s1, s2);
#endif
}
inline void MacroAssembler::st_ptr( Register d, Register s1, int simm13a ) {
#ifdef _LP64
Assembler::stx(d, s1, simm13a);
#else
Assembler::st( d, s1, simm13a);
#endif
}
#ifdef ASSERT
// ByteSize is only a class when ASSERT is defined, otherwise it's an int.
inline void MacroAssembler::st_ptr( Register d, Register s1, ByteSize simm13a ) {
st_ptr(d, s1, in_bytes(simm13a));
}
#endif
inline void MacroAssembler::st_ptr( Register d, Register s1, RegisterOrConstant s2 ) {
#ifdef _LP64
Assembler::stx(d, s1, s2);
#else
Assembler::st( d, s1, s2);
#endif
}
inline void MacroAssembler::st_ptr(Register d, const Address& a, int offset) {
#ifdef _LP64
Assembler::stx(d, a, offset);
#else
Assembler::st( d, a, offset);
#endif
}
// Use the right loads/stores for the platform
inline void MacroAssembler::ld_long( Register s1, Register s2, Register d ) {
#ifdef _LP64
Assembler::ldx(s1, s2, d);
#else
Assembler::ldd(s1, s2, d);
#endif
}
inline void MacroAssembler::ld_long( Register s1, int simm13a, Register d ) {
#ifdef _LP64
Assembler::ldx(s1, simm13a, d);
#else
Assembler::ldd(s1, simm13a, d);
#endif
}
inline void MacroAssembler::ld_long( Register s1, RegisterOrConstant s2, Register d ) {
#ifdef _LP64
Assembler::ldx(s1, s2, d);
#else
Assembler::ldd(s1, s2, d);
#endif
}
inline void MacroAssembler::ld_long(const Address& a, Register d, int offset) {
#ifdef _LP64
Assembler::ldx(a, d, offset);
#else
Assembler::ldd(a, d, offset);
#endif
}
inline void MacroAssembler::st_long( Register d, Register s1, Register s2 ) {
#ifdef _LP64
Assembler::stx(d, s1, s2);
#else
Assembler::std(d, s1, s2);
#endif
}
inline void MacroAssembler::st_long( Register d, Register s1, int simm13a ) {
#ifdef _LP64
Assembler::stx(d, s1, simm13a);
#else
Assembler::std(d, s1, simm13a);
#endif
}
inline void MacroAssembler::st_long( Register d, Register s1, RegisterOrConstant s2 ) {
#ifdef _LP64
Assembler::stx(d, s1, s2);
#else
Assembler::std(d, s1, s2);
#endif
}
inline void MacroAssembler::st_long( Register d, const Address& a, int offset ) {
#ifdef _LP64
Assembler::stx(d, a, offset);
#else
Assembler::std(d, a, offset);
#endif
}
// Functions for isolating 64 bit shifts for LP64
inline void MacroAssembler::sll_ptr( Register s1, Register s2, Register d ) {
#ifdef _LP64
Assembler::sllx(s1, s2, d);
#else
Assembler::sll( s1, s2, d);
#endif
}
inline void MacroAssembler::sll_ptr( Register s1, int imm6a, Register d ) {
#ifdef _LP64
Assembler::sllx(s1, imm6a, d);
#else
Assembler::sll( s1, imm6a, d);
#endif
}
inline void MacroAssembler::srl_ptr( Register s1, Register s2, Register d ) {
#ifdef _LP64
Assembler::srlx(s1, s2, d);
#else
Assembler::srl( s1, s2, d);
#endif
}
inline void MacroAssembler::srl_ptr( Register s1, int imm6a, Register d ) {
#ifdef _LP64
Assembler::srlx(s1, imm6a, d);
#else
Assembler::srl( s1, imm6a, d);
#endif
}
inline void MacroAssembler::sll_ptr( Register s1, RegisterOrConstant s2, Register d ) {
if (s2.is_register()) sll_ptr(s1, s2.as_register(), d);
else sll_ptr(s1, s2.as_constant(), d);
}
// Use the right branch for the platform
inline void MacroAssembler::br( Condition c, bool a, Predict p, address d, relocInfo::relocType rt ) {
if (VM_Version::v9_instructions_work())
Assembler::bp(c, a, icc, p, d, rt);
else
Assembler::br(c, a, d, rt);
}
inline void MacroAssembler::br( Condition c, bool a, Predict p, Label& L ) {
br(c, a, p, target(L));
}
// Branch that tests either xcc or icc depending on the
// architecture compiled (LP64 or not)
inline void MacroAssembler::brx( Condition c, bool a, Predict p, address d, relocInfo::relocType rt ) {
#ifdef _LP64
Assembler::bp(c, a, xcc, p, d, rt);
#else
MacroAssembler::br(c, a, p, d, rt);
#endif
}
inline void MacroAssembler::brx( Condition c, bool a, Predict p, Label& L ) {
brx(c, a, p, target(L));
}
inline void MacroAssembler::ba( Label& L ) {
br(always, false, pt, L);
}
// Warning: V9 only functions
inline void MacroAssembler::bp( Condition c, bool a, CC cc, Predict p, address d, relocInfo::relocType rt ) {
Assembler::bp(c, a, cc, p, d, rt);
}
inline void MacroAssembler::bp( Condition c, bool a, CC cc, Predict p, Label& L ) {
Assembler::bp(c, a, cc, p, L);
}
inline void MacroAssembler::fb( Condition c, bool a, Predict p, address d, relocInfo::relocType rt ) {
if (VM_Version::v9_instructions_work())
fbp(c, a, fcc0, p, d, rt);
else
Assembler::fb(c, a, d, rt);
}
inline void MacroAssembler::fb( Condition c, bool a, Predict p, Label& L ) {
fb(c, a, p, target(L));
}
inline void MacroAssembler::fbp( Condition c, bool a, CC cc, Predict p, address d, relocInfo::relocType rt ) {
Assembler::fbp(c, a, cc, p, d, rt);
}
inline void MacroAssembler::fbp( Condition c, bool a, CC cc, Predict p, Label& L ) {
Assembler::fbp(c, a, cc, p, L);
}
inline void MacroAssembler::jmp( Register s1, Register s2 ) { jmpl( s1, s2, G0 ); }
inline void MacroAssembler::jmp( Register s1, int simm13a, RelocationHolder const& rspec ) { jmpl( s1, simm13a, G0, rspec); }
inline bool MacroAssembler::is_far_target(address d) {
if (ForceUnreachable) {
// References outside the code cache should be treated as far
return d < CodeCache::low_bound() || d > CodeCache::high_bound();
}
return !is_in_wdisp30_range(d, CodeCache::low_bound()) || !is_in_wdisp30_range(d, CodeCache::high_bound());
}
// Call with a check to see if we need to deal with the added
// expense of relocation and if we overflow the displacement
// of the quick call instruction.
inline void MacroAssembler::call( address d, relocInfo::relocType rt ) {
#ifdef _LP64
intptr_t disp;
// NULL is ok because it will be relocated later.
// Must change NULL to a reachable address in order to
// pass asserts here and in wdisp.
if ( d == NULL )
d = pc();
// Is this address within range of the call instruction?
// If not, use the expensive instruction sequence
if (is_far_target(d)) {
relocate(rt);
AddressLiteral dest(d);
jumpl_to(dest, O7, O7);
} else {
Assembler::call(d, rt);
}
#else
Assembler::call( d, rt );
#endif
}
inline void MacroAssembler::call( Label& L, relocInfo::relocType rt ) {
MacroAssembler::call( target(L), rt);
}
inline void MacroAssembler::callr( Register s1, Register s2 ) { jmpl( s1, s2, O7 ); }
inline void MacroAssembler::callr( Register s1, int simm13a, RelocationHolder const& rspec ) { jmpl( s1, simm13a, O7, rspec); }
// prefetch instruction
inline void MacroAssembler::iprefetch( address d, relocInfo::relocType rt ) {
if (VM_Version::v9_instructions_work())
Assembler::bp( never, true, xcc, pt, d, rt );
}
inline void MacroAssembler::iprefetch( Label& L) { iprefetch( target(L) ); }
// clobbers o7 on V8!!
// returns delta from gotten pc to addr after
inline int MacroAssembler::get_pc( Register d ) {
int x = offset();
if (VM_Version::v9_instructions_work())
rdpc(d);
else {
Label lbl;
Assembler::call(lbl, relocInfo::none); // No relocation as this is call to pc+0x8
if (d == O7) delayed()->nop();
else delayed()->mov(O7, d);
bind(lbl);
}
return offset() - x;
}
// Note: All MacroAssembler::set_foo functions are defined out-of-line.
// Loads the current PC of the following instruction as an immediate value in
// 2 instructions. All PCs in the CodeCache are within 2 Gig of each other.
inline intptr_t MacroAssembler::load_pc_address( Register reg, int bytes_to_skip ) {
intptr_t thepc = (intptr_t)pc() + 2*BytesPerInstWord + bytes_to_skip;
#ifdef _LP64
Unimplemented();
#else
Assembler::sethi( thepc & ~0x3ff, reg, internal_word_Relocation::spec((address)thepc));
Assembler::add(reg,thepc & 0x3ff, reg, internal_word_Relocation::spec((address)thepc));
#endif
return thepc;
}
inline void MacroAssembler::load_contents(const AddressLiteral& addrlit, Register d, int offset) {
assert_not_delayed();
if (ForceUnreachable) {
patchable_sethi(addrlit, d);
} else {
sethi(addrlit, d);
}
ld(d, addrlit.low10() + offset, d);
}
inline void MacroAssembler::load_bool_contents(const AddressLiteral& addrlit, Register d, int offset) {
assert_not_delayed();
if (ForceUnreachable) {
patchable_sethi(addrlit, d);
} else {
sethi(addrlit, d);
}
ldub(d, addrlit.low10() + offset, d);
}
inline void MacroAssembler::load_ptr_contents(const AddressLiteral& addrlit, Register d, int offset) {
assert_not_delayed();
if (ForceUnreachable) {
patchable_sethi(addrlit, d);
} else {
sethi(addrlit, d);
}
ld_ptr(d, addrlit.low10() + offset, d);
}
inline void MacroAssembler::store_contents(Register s, const AddressLiteral& addrlit, Register temp, int offset) {
assert_not_delayed();
if (ForceUnreachable) {
patchable_sethi(addrlit, temp);
} else {
sethi(addrlit, temp);
}
st(s, temp, addrlit.low10() + offset);
}
inline void MacroAssembler::store_ptr_contents(Register s, const AddressLiteral& addrlit, Register temp, int offset) {
assert_not_delayed();
if (ForceUnreachable) {
patchable_sethi(addrlit, temp);
} else {
sethi(addrlit, temp);
}
st_ptr(s, temp, addrlit.low10() + offset);
}
// This code sequence is relocatable to any address, even on LP64.
inline void MacroAssembler::jumpl_to(const AddressLiteral& addrlit, Register temp, Register d, int offset) {
assert_not_delayed();
// Force fixed length sethi because NativeJump and NativeFarCall don't handle
// variable length instruction streams.
patchable_sethi(addrlit, temp);
jmpl(temp, addrlit.low10() + offset, d);
}
inline void MacroAssembler::jump_to(const AddressLiteral& addrlit, Register temp, int offset) {
jumpl_to(addrlit, temp, G0, offset);
}
inline void MacroAssembler::jump_indirect_to(Address& a, Register temp,
int ld_offset, int jmp_offset) {
assert_not_delayed();
//sethi(al); // sethi is caller responsibility for this one
ld_ptr(a, temp, ld_offset);
jmp(temp, jmp_offset);
}
inline void MacroAssembler::set_metadata(Metadata* obj, Register d) {
set_metadata(allocate_metadata_address(obj), d);
}
inline void MacroAssembler::set_metadata_constant(Metadata* obj, Register d) {
set_metadata(constant_metadata_address(obj), d);
}
inline void MacroAssembler::set_metadata(const AddressLiteral& obj_addr, Register d) {
assert(obj_addr.rspec().type() == relocInfo::metadata_type, "must be a metadata reloc");
set(obj_addr, d);
}
inline void MacroAssembler::set_oop(jobject obj, Register d) {
set_oop(allocate_oop_address(obj), d);
}
inline void MacroAssembler::set_oop_constant(jobject obj, Register d) {
set_oop(constant_oop_address(obj), d);
}
inline void MacroAssembler::set_oop(const AddressLiteral& obj_addr, Register d) {
assert(obj_addr.rspec().type() == relocInfo::oop_type, "must be an oop reloc");
set(obj_addr, d);
}
inline void MacroAssembler::load_argument( Argument& a, Register d ) {
if (a.is_register())
mov(a.as_register(), d);
else
ld (a.as_address(), d);
}
inline void MacroAssembler::store_argument( Register s, Argument& a ) {
if (a.is_register())
mov(s, a.as_register());
else
st_ptr (s, a.as_address()); // ABI says everything is right justified.
}
inline void MacroAssembler::store_ptr_argument( Register s, Argument& a ) {
if (a.is_register())
mov(s, a.as_register());
else
st_ptr (s, a.as_address());
}
#ifdef _LP64
inline void MacroAssembler::store_float_argument( FloatRegister s, Argument& a ) {
if (a.is_float_register())
// V9 ABI has F1, F3, F5 are used to pass instead of O0, O1, O2
fmov(FloatRegisterImpl::S, s, a.as_float_register() );
else
// Floats are stored in the high half of the stack entry
// The low half is undefined per the ABI.
stf(FloatRegisterImpl::S, s, a.as_address(), sizeof(jfloat));
}
inline void MacroAssembler::store_double_argument( FloatRegister s, Argument& a ) {
if (a.is_float_register())
// V9 ABI has D0, D2, D4 are used to pass instead of O0, O1, O2
fmov(FloatRegisterImpl::D, s, a.as_double_register() );
else
stf(FloatRegisterImpl::D, s, a.as_address());
}
inline void MacroAssembler::store_long_argument( Register s, Argument& a ) {
if (a.is_register())
mov(s, a.as_register());
else
stx(s, a.as_address());
}
#endif
inline void MacroAssembler::clrb( Register s1, Register s2) { stb( G0, s1, s2 ); }
inline void MacroAssembler::clrh( Register s1, Register s2) { sth( G0, s1, s2 ); }
inline void MacroAssembler::clr( Register s1, Register s2) { stw( G0, s1, s2 ); }
inline void MacroAssembler::clrx( Register s1, Register s2) { stx( G0, s1, s2 ); }
inline void MacroAssembler::clrb( Register s1, int simm13a) { stb( G0, s1, simm13a); }
inline void MacroAssembler::clrh( Register s1, int simm13a) { sth( G0, s1, simm13a); }
inline void MacroAssembler::clr( Register s1, int simm13a) { stw( G0, s1, simm13a); }
inline void MacroAssembler::clrx( Register s1, int simm13a) { stx( G0, s1, simm13a); }
// returns if membar generates anything, obviously this code should mirror
// membar below.
inline bool MacroAssembler::membar_has_effect( Membar_mask_bits const7a ) {
if( !os::is_MP() ) return false; // Not needed on single CPU
if( VM_Version::v9_instructions_work() ) {
const Membar_mask_bits effective_mask =
Membar_mask_bits(const7a & ~(LoadLoad | LoadStore | StoreStore));
return (effective_mask != 0);
} else {
return true;
}
}
inline void MacroAssembler::membar( Membar_mask_bits const7a ) {
// Uniprocessors do not need memory barriers
if (!os::is_MP()) return;
// Weakened for current Sparcs and TSO. See the v9 manual, sections 8.4.3,
// 8.4.4.3, a.31 and a.50.
if( VM_Version::v9_instructions_work() ) {
// Under TSO, setting bit 3, 2, or 0 is redundant, so the only value
// of the mmask subfield of const7a that does anything that isn't done
// implicitly is StoreLoad.
const Membar_mask_bits effective_mask =
Membar_mask_bits(const7a & ~(LoadLoad | LoadStore | StoreStore));
if ( effective_mask != 0 ) {
Assembler::membar( effective_mask );
}
} else {
// stbar is the closest there is on v8. Equivalent to membar(StoreStore). We
// do not issue the stbar because to my knowledge all v8 machines implement TSO,
// which guarantees that all stores behave as if an stbar were issued just after
// each one of them. On these machines, stbar ought to be a nop. There doesn't
// appear to be an equivalent of membar(StoreLoad) on v8: TSO doesn't require it,
// it can't be specified by stbar, nor have I come up with a way to simulate it.
//
// Addendum. Dave says that ldstub guarantees a write buffer flush to coherent
// space. Put one here to be on the safe side.
Assembler::ldstub(SP, 0, G0);
}
}
#endif // CPU_SPARC_VM_ASSEMBLER_SPARC_INLINE_HPP