1 /* 2 * Copyright 1997-2009 Sun Microsystems, Inc. All Rights Reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 * 23 */ 24 25 inline void MacroAssembler::pd_patch_instruction(address branch, address target) { 26 jint& stub_inst = *(jint*) branch; 27 stub_inst = patched_branch(target - branch, stub_inst, 0); 28 } 29 30 #ifndef PRODUCT 31 inline void MacroAssembler::pd_print_patched_instruction(address branch) { 32 jint stub_inst = *(jint*) branch; 33 print_instruction(stub_inst); 34 ::tty->print("%s", " (unresolved)"); 35 } 36 #endif // PRODUCT 37 38 inline bool Address::is_simm13(int offset) { return Assembler::is_simm13(disp() + offset); } 39 40 41 inline int AddressLiteral::low10() const { 42 return Assembler::low10(value()); 43 } 44 45 46 // inlines for SPARC assembler -- dmu 5/97 47 48 inline void Assembler::check_delay() { 49 # ifdef CHECK_DELAY 50 guarantee( delay_state != at_delay_slot, "must say delayed() when filling delay slot"); 51 delay_state = no_delay; 52 # endif 53 } 54 55 inline void Assembler::emit_long(int x) { 56 check_delay(); 57 AbstractAssembler::emit_long(x); 58 } 59 60 inline void Assembler::emit_data(int x, relocInfo::relocType rtype) { 61 relocate(rtype); 62 emit_long(x); 63 } 64 65 inline void Assembler::emit_data(int x, RelocationHolder const& rspec) { 66 relocate(rspec); 67 emit_long(x); 68 } 69 70 71 inline void Assembler::add(Register s1, Register s2, Register d ) { emit_long( op(arith_op) | rd(d) | op3(add_op3) | rs1(s1) | rs2(s2) ); } 72 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 ); } 73 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 ); } 74 75 inline void Assembler::bpr( RCondition c, bool a, Predict p, Register s1, address d, relocInfo::relocType rt ) { v9_only(); 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(); } 76 inline void Assembler::bpr( RCondition c, bool a, Predict p, Register s1, Label& L) { bpr( c, a, p, s1, target(L)); } 77 78 inline void Assembler::fb( Condition c, bool a, address d, relocInfo::relocType rt ) { v9_dep(); emit_data( op(branch_op) | annul(a) | cond(c) | op2(fb_op2) | wdisp(intptr_t(d), intptr_t(pc()), 22), rt); has_delay_slot(); } 79 inline void Assembler::fb( Condition c, bool a, Label& L ) { fb(c, a, target(L)); } 80 81 inline void Assembler::fbp( Condition c, bool a, CC cc, Predict p, address d, relocInfo::relocType rt ) { v9_only(); 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(); } 82 inline void Assembler::fbp( Condition c, bool a, CC cc, Predict p, Label& L ) { fbp(c, a, cc, p, target(L)); } 83 84 inline void Assembler::cb( Condition c, bool a, address d, relocInfo::relocType rt ) { v8_only(); emit_data( op(branch_op) | annul(a) | cond(c) | op2(cb_op2) | wdisp(intptr_t(d), intptr_t(pc()), 22), rt); has_delay_slot(); } 85 inline void Assembler::cb( Condition c, bool a, Label& L ) { cb(c, a, target(L)); } 86 87 inline void Assembler::br( Condition c, bool a, address d, relocInfo::relocType rt ) { v9_dep(); emit_data( op(branch_op) | annul(a) | cond(c) | op2(br_op2) | wdisp(intptr_t(d), intptr_t(pc()), 22), rt); has_delay_slot(); } 88 inline void Assembler::br( Condition c, bool a, Label& L ) { br(c, a, target(L)); } 89 90 inline void Assembler::bp( Condition c, bool a, CC cc, Predict p, address d, relocInfo::relocType rt ) { v9_only(); 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(); } 91 inline void Assembler::bp( Condition c, bool a, CC cc, Predict p, Label& L ) { bp(c, a, cc, p, target(L)); } 92 93 inline void Assembler::call( address d, relocInfo::relocType rt ) { 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"); } 94 inline void Assembler::call( Label& L, relocInfo::relocType rt ) { call( target(L), rt); } 95 96 inline void Assembler::flush( Register s1, Register s2) { emit_long( op(arith_op) | op3(flush_op3) | rs1(s1) | rs2(s2)); } 97 inline void Assembler::flush( Register s1, int simm13a) { emit_data( op(arith_op) | op3(flush_op3) | rs1(s1) | immed(true) | simm(simm13a, 13)); } 98 99 inline void Assembler::jmpl( Register s1, Register s2, Register d ) { emit_long( op(arith_op) | rd(d) | op3(jmpl_op3) | rs1(s1) | rs2(s2)); has_delay_slot(); } 100 inline void Assembler::jmpl( Register s1, int simm13a, Register d, RelocationHolder const& rspec ) { emit_data( op(arith_op) | rd(d) | op3(jmpl_op3) | rs1(s1) | immed(true) | simm(simm13a, 13), rspec); has_delay_slot(); } 101 102 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) ); } 103 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); } 104 105 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); } 106 107 inline void Assembler::ldfsr( Register s1, Register s2) { v9_dep(); emit_long( op(ldst_op) | op3(ldfsr_op3) | rs1(s1) | rs2(s2) ); } 108 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)); } 109 inline void Assembler::ldxfsr( Register s1, Register s2) { v9_only(); emit_long( op(ldst_op) | rd(G1) | op3(ldfsr_op3) | rs1(s1) | rs2(s2) ); } 110 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)); } 111 112 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) ); } 113 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)); } 114 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) ); } 115 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)); } 116 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) ); } 117 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)); } 118 119 inline void Assembler::ldsb( Register s1, Register s2, Register d) { emit_long( op(ldst_op) | rd(d) | op3(ldsb_op3) | rs1(s1) | rs2(s2) ); } 120 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)); } 121 122 inline void Assembler::ldsh( Register s1, Register s2, Register d) { emit_long( op(ldst_op) | rd(d) | op3(ldsh_op3) | rs1(s1) | rs2(s2) ); } 123 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)); } 124 inline void Assembler::ldsw( Register s1, Register s2, Register d) { emit_long( op(ldst_op) | rd(d) | op3(ldsw_op3) | rs1(s1) | rs2(s2) ); } 125 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)); } 126 inline void Assembler::ldub( Register s1, Register s2, Register d) { emit_long( op(ldst_op) | rd(d) | op3(ldub_op3) | rs1(s1) | rs2(s2) ); } 127 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)); } 128 inline void Assembler::lduh( Register s1, Register s2, Register d) { emit_long( op(ldst_op) | rd(d) | op3(lduh_op3) | rs1(s1) | rs2(s2) ); } 129 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)); } 130 inline void Assembler::lduw( Register s1, Register s2, Register d) { emit_long( op(ldst_op) | rd(d) | op3(lduw_op3) | rs1(s1) | rs2(s2) ); } 131 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)); } 132 133 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) ); } 134 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)); } 135 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) ); } 136 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)); } 137 138 #ifdef _LP64 139 // Make all 32 bit loads signed so 64 bit registers maintain proper sign 140 inline void Assembler::ld( Register s1, Register s2, Register d) { ldsw( s1, s2, d); } 141 inline void Assembler::ld( Register s1, int simm13a, Register d) { ldsw( s1, simm13a, d); } 142 #else 143 inline void Assembler::ld( Register s1, Register s2, Register d) { lduw( s1, s2, d); } 144 inline void Assembler::ld( Register s1, int simm13a, Register d) { lduw( s1, simm13a, d); } 145 #endif 146 147 #ifdef ASSERT 148 // ByteSize is only a class when ASSERT is defined, otherwise it's an int. 149 # ifdef _LP64 150 inline void Assembler::ld( Register s1, ByteSize simm13a, Register d) { ldsw( s1, in_bytes(simm13a), d); } 151 # else 152 inline void Assembler::ld( Register s1, ByteSize simm13a, Register d) { lduw( s1, in_bytes(simm13a), d); } 153 # endif 154 #endif 155 156 inline void Assembler::ld( const Address& a, Register d, int offset) { 157 if (a.has_index()) { assert(offset == 0, ""); ld( a.base(), a.index(), d); } 158 else { ld( a.base(), a.disp() + offset, d); } 159 } 160 inline void Assembler::ldsb(const Address& a, Register d, int offset) { 161 if (a.has_index()) { assert(offset == 0, ""); ldsb(a.base(), a.index(), d); } 162 else { ldsb(a.base(), a.disp() + offset, d); } 163 } 164 inline void Assembler::ldsh(const Address& a, Register d, int offset) { 165 if (a.has_index()) { assert(offset == 0, ""); ldsh(a.base(), a.index(), d); } 166 else { ldsh(a.base(), a.disp() + offset, d); } 167 } 168 inline void Assembler::ldsw(const Address& a, Register d, int offset) { 169 if (a.has_index()) { assert(offset == 0, ""); ldsw(a.base(), a.index(), d); } 170 else { ldsw(a.base(), a.disp() + offset, d); } 171 } 172 inline void Assembler::ldub(const Address& a, Register d, int offset) { 173 if (a.has_index()) { assert(offset == 0, ""); ldub(a.base(), a.index(), d); } 174 else { ldub(a.base(), a.disp() + offset, d); } 175 } 176 inline void Assembler::lduh(const Address& a, Register d, int offset) { 177 if (a.has_index()) { assert(offset == 0, ""); lduh(a.base(), a.index(), d); } 178 else { lduh(a.base(), a.disp() + offset, d); } 179 } 180 inline void Assembler::lduw(const Address& a, Register d, int offset) { 181 if (a.has_index()) { assert(offset == 0, ""); lduw(a.base(), a.index(), d); } 182 else { lduw(a.base(), a.disp() + offset, d); } 183 } 184 inline void Assembler::ldd( const Address& a, Register d, int offset) { 185 if (a.has_index()) { assert(offset == 0, ""); ldd( a.base(), a.index(), d); } 186 else { ldd( a.base(), a.disp() + offset, d); } 187 } 188 inline void Assembler::ldx( const Address& a, Register d, int offset) { 189 if (a.has_index()) { assert(offset == 0, ""); ldx( a.base(), a.index(), d); } 190 else { ldx( a.base(), a.disp() + offset, d); } 191 } 192 193 inline void Assembler::ldub(Register s1, RegisterOrConstant s2, Register d) { ldub(Address(s1, s2), d); } 194 inline void Assembler::ldsb(Register s1, RegisterOrConstant s2, Register d) { ldsb(Address(s1, s2), d); } 195 inline void Assembler::lduh(Register s1, RegisterOrConstant s2, Register d) { lduh(Address(s1, s2), d); } 196 inline void Assembler::ldsh(Register s1, RegisterOrConstant s2, Register d) { ldsh(Address(s1, s2), d); } 197 inline void Assembler::lduw(Register s1, RegisterOrConstant s2, Register d) { lduw(Address(s1, s2), d); } 198 inline void Assembler::ldsw(Register s1, RegisterOrConstant s2, Register d) { ldsw(Address(s1, s2), d); } 199 inline void Assembler::ldx( Register s1, RegisterOrConstant s2, Register d) { ldx( Address(s1, s2), d); } 200 inline void Assembler::ld( Register s1, RegisterOrConstant s2, Register d) { ld( Address(s1, s2), d); } 201 inline void Assembler::ldd( Register s1, RegisterOrConstant s2, Register d) { ldd( Address(s1, s2), d); } 202 203 // form effective addresses this way: 204 inline void Assembler::add( Register s1, RegisterOrConstant s2, Register d, int offset) { 205 if (s2.is_register()) add(s1, s2.as_register(), d); 206 else { add(s1, s2.as_constant() + offset, d); offset = 0; } 207 if (offset != 0) add(d, offset, d); 208 } 209 210 inline void Assembler::ldstub( Register s1, Register s2, Register d) { emit_long( op(ldst_op) | rd(d) | op3(ldstub_op3) | rs1(s1) | rs2(s2) ); } 211 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)); } 212 213 214 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) ); } 215 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)); } 216 217 inline void Assembler::prefetch(const Address& a, PrefetchFcn f, int offset) { v9_only(); relocate(a.rspec(offset)); prefetch(a.base(), a.disp() + offset, f); } 218 219 220 inline void Assembler::rett( Register s1, Register s2 ) { emit_long( op(arith_op) | op3(rett_op3) | rs1(s1) | rs2(s2)); has_delay_slot(); } 221 inline void Assembler::rett( Register s1, int simm13a, relocInfo::relocType rt) { emit_data( op(arith_op) | op3(rett_op3) | rs1(s1) | immed(true) | simm(simm13a, 13), rt); has_delay_slot(); } 222 223 inline void Assembler::sethi( int imm22a, Register d, RelocationHolder const& rspec ) { emit_data( op(branch_op) | rd(d) | op2(sethi_op2) | hi22(imm22a), rspec); } 224 225 // pp 222 226 227 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) ); } 228 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)); } 229 230 inline void Assembler::stf( FloatRegisterImpl::Width w, FloatRegister d, const Address& a, int offset) { relocate(a.rspec(offset)); stf(w, d, a.base(), a.disp() + offset); } 231 232 inline void Assembler::stfsr( Register s1, Register s2) { v9_dep(); emit_long( op(ldst_op) | op3(stfsr_op3) | rs1(s1) | rs2(s2) ); } 233 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)); } 234 inline void Assembler::stxfsr( Register s1, Register s2) { v9_only(); emit_long( op(ldst_op) | rd(G1) | op3(stfsr_op3) | rs1(s1) | rs2(s2) ); } 235 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)); } 236 237 // p 226 238 239 inline void Assembler::stb( Register d, Register s1, Register s2) { emit_long( op(ldst_op) | rd(d) | op3(stb_op3) | rs1(s1) | rs2(s2) ); } 240 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)); } 241 inline void Assembler::sth( Register d, Register s1, Register s2) { emit_long( op(ldst_op) | rd(d) | op3(sth_op3) | rs1(s1) | rs2(s2) ); } 242 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)); } 243 inline void Assembler::stw( Register d, Register s1, Register s2) { emit_long( op(ldst_op) | rd(d) | op3(stw_op3) | rs1(s1) | rs2(s2) ); } 244 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)); } 245 246 247 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) ); } 248 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)); } 249 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) ); } 250 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)); } 251 252 inline void Assembler::st( Register d, Register s1, Register s2) { stw(d, s1, s2); } 253 inline void Assembler::st( Register d, Register s1, int simm13a) { stw(d, s1, simm13a); } 254 255 #ifdef ASSERT 256 // ByteSize is only a class when ASSERT is defined, otherwise it's an int. 257 inline void Assembler::st( Register d, Register s1, ByteSize simm13a) { stw(d, s1, in_bytes(simm13a)); } 258 #endif 259 260 inline void Assembler::stb(Register d, const Address& a, int offset) { 261 if (a.has_index()) { assert(offset == 0, ""); stb(d, a.base(), a.index() ); } 262 else { stb(d, a.base(), a.disp() + offset); } 263 } 264 inline void Assembler::sth(Register d, const Address& a, int offset) { 265 if (a.has_index()) { assert(offset == 0, ""); sth(d, a.base(), a.index() ); } 266 else { sth(d, a.base(), a.disp() + offset); } 267 } 268 inline void Assembler::stw(Register d, const Address& a, int offset) { 269 if (a.has_index()) { assert(offset == 0, ""); stw(d, a.base(), a.index() ); } 270 else { stw(d, a.base(), a.disp() + offset); } 271 } 272 inline void Assembler::st( Register d, const Address& a, int offset) { 273 if (a.has_index()) { assert(offset == 0, ""); st( d, a.base(), a.index() ); } 274 else { st( d, a.base(), a.disp() + offset); } 275 } 276 inline void Assembler::std(Register d, const Address& a, int offset) { 277 if (a.has_index()) { assert(offset == 0, ""); std(d, a.base(), a.index() ); } 278 else { std(d, a.base(), a.disp() + offset); } 279 } 280 inline void Assembler::stx(Register d, const Address& a, int offset) { 281 if (a.has_index()) { assert(offset == 0, ""); stx(d, a.base(), a.index() ); } 282 else { stx(d, a.base(), a.disp() + offset); } 283 } 284 285 inline void Assembler::stb(Register d, Register s1, RegisterOrConstant s2) { stb(d, Address(s1, s2)); } 286 inline void Assembler::sth(Register d, Register s1, RegisterOrConstant s2) { sth(d, Address(s1, s2)); } 287 inline void Assembler::stx(Register d, Register s1, RegisterOrConstant s2) { stx(d, Address(s1, s2)); } 288 inline void Assembler::std(Register d, Register s1, RegisterOrConstant s2) { std(d, Address(s1, s2)); } 289 inline void Assembler::st( Register d, Register s1, RegisterOrConstant s2) { st( d, Address(s1, s2)); } 290 291 // v8 p 99 292 293 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) ); } 294 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)); } 295 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) ); } 296 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)); } 297 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) ); } 298 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)); } 299 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) ); } 300 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)); } 301 302 303 // pp 231 304 305 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) ); } 306 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)); } 307 308 inline void Assembler::swap( Address& a, Register d, int offset ) { relocate(a.rspec(offset)); swap( a.base(), a.disp() + offset, d ); } 309 310 311 // Use the right loads/stores for the platform 312 inline void MacroAssembler::ld_ptr( Register s1, Register s2, Register d ) { 313 #ifdef _LP64 314 Assembler::ldx(s1, s2, d); 315 #else 316 Assembler::ld( s1, s2, d); 317 #endif 318 } 319 320 inline void MacroAssembler::ld_ptr( Register s1, int simm13a, Register d ) { 321 #ifdef _LP64 322 Assembler::ldx(s1, simm13a, d); 323 #else 324 Assembler::ld( s1, simm13a, d); 325 #endif 326 } 327 328 #ifdef ASSERT 329 // ByteSize is only a class when ASSERT is defined, otherwise it's an int. 330 inline void MacroAssembler::ld_ptr( Register s1, ByteSize simm13a, Register d ) { 331 ld_ptr(s1, in_bytes(simm13a), d); 332 } 333 #endif 334 335 inline void MacroAssembler::ld_ptr( Register s1, RegisterOrConstant s2, Register d ) { 336 #ifdef _LP64 337 Assembler::ldx(s1, s2, d); 338 #else 339 Assembler::ld( s1, s2, d); 340 #endif 341 } 342 343 inline void MacroAssembler::ld_ptr(const Address& a, Register d, int offset) { 344 #ifdef _LP64 345 Assembler::ldx(a, d, offset); 346 #else 347 Assembler::ld( a, d, offset); 348 #endif 349 } 350 351 inline void MacroAssembler::st_ptr( Register d, Register s1, Register s2 ) { 352 #ifdef _LP64 353 Assembler::stx(d, s1, s2); 354 #else 355 Assembler::st( d, s1, s2); 356 #endif 357 } 358 359 inline void MacroAssembler::st_ptr( Register d, Register s1, int simm13a ) { 360 #ifdef _LP64 361 Assembler::stx(d, s1, simm13a); 362 #else 363 Assembler::st( d, s1, simm13a); 364 #endif 365 } 366 367 #ifdef ASSERT 368 // ByteSize is only a class when ASSERT is defined, otherwise it's an int. 369 inline void MacroAssembler::st_ptr( Register d, Register s1, ByteSize simm13a ) { 370 st_ptr(d, s1, in_bytes(simm13a)); 371 } 372 #endif 373 374 inline void MacroAssembler::st_ptr( Register d, Register s1, RegisterOrConstant s2 ) { 375 #ifdef _LP64 376 Assembler::stx(d, s1, s2); 377 #else 378 Assembler::st( d, s1, s2); 379 #endif 380 } 381 382 inline void MacroAssembler::st_ptr(Register d, const Address& a, int offset) { 383 #ifdef _LP64 384 Assembler::stx(d, a, offset); 385 #else 386 Assembler::st( d, a, offset); 387 #endif 388 } 389 390 // Use the right loads/stores for the platform 391 inline void MacroAssembler::ld_long( Register s1, Register s2, Register d ) { 392 #ifdef _LP64 393 Assembler::ldx(s1, s2, d); 394 #else 395 Assembler::ldd(s1, s2, d); 396 #endif 397 } 398 399 inline void MacroAssembler::ld_long( Register s1, int simm13a, Register d ) { 400 #ifdef _LP64 401 Assembler::ldx(s1, simm13a, d); 402 #else 403 Assembler::ldd(s1, simm13a, d); 404 #endif 405 } 406 407 inline void MacroAssembler::ld_long( Register s1, RegisterOrConstant s2, Register d ) { 408 #ifdef _LP64 409 Assembler::ldx(s1, s2, d); 410 #else 411 Assembler::ldd(s1, s2, d); 412 #endif 413 } 414 415 inline void MacroAssembler::ld_long(const Address& a, Register d, int offset) { 416 #ifdef _LP64 417 Assembler::ldx(a, d, offset); 418 #else 419 Assembler::ldd(a, d, offset); 420 #endif 421 } 422 423 inline void MacroAssembler::st_long( Register d, Register s1, Register s2 ) { 424 #ifdef _LP64 425 Assembler::stx(d, s1, s2); 426 #else 427 Assembler::std(d, s1, s2); 428 #endif 429 } 430 431 inline void MacroAssembler::st_long( Register d, Register s1, int simm13a ) { 432 #ifdef _LP64 433 Assembler::stx(d, s1, simm13a); 434 #else 435 Assembler::std(d, s1, simm13a); 436 #endif 437 } 438 439 inline void MacroAssembler::st_long( Register d, Register s1, RegisterOrConstant s2 ) { 440 #ifdef _LP64 441 Assembler::stx(d, s1, s2); 442 #else 443 Assembler::std(d, s1, s2); 444 #endif 445 } 446 447 inline void MacroAssembler::st_long( Register d, const Address& a, int offset ) { 448 #ifdef _LP64 449 Assembler::stx(d, a, offset); 450 #else 451 Assembler::std(d, a, offset); 452 #endif 453 } 454 455 // Functions for isolating 64 bit shifts for LP64 456 457 inline void MacroAssembler::sll_ptr( Register s1, Register s2, Register d ) { 458 #ifdef _LP64 459 Assembler::sllx(s1, s2, d); 460 #else 461 Assembler::sll( s1, s2, d); 462 #endif 463 } 464 465 inline void MacroAssembler::sll_ptr( Register s1, int imm6a, Register d ) { 466 #ifdef _LP64 467 Assembler::sllx(s1, imm6a, d); 468 #else 469 Assembler::sll( s1, imm6a, d); 470 #endif 471 } 472 473 inline void MacroAssembler::srl_ptr( Register s1, Register s2, Register d ) { 474 #ifdef _LP64 475 Assembler::srlx(s1, s2, d); 476 #else 477 Assembler::srl( s1, s2, d); 478 #endif 479 } 480 481 inline void MacroAssembler::srl_ptr( Register s1, int imm6a, Register d ) { 482 #ifdef _LP64 483 Assembler::srlx(s1, imm6a, d); 484 #else 485 Assembler::srl( s1, imm6a, d); 486 #endif 487 } 488 489 inline void MacroAssembler::sll_ptr( Register s1, RegisterOrConstant s2, Register d ) { 490 if (s2.is_register()) sll_ptr(s1, s2.as_register(), d); 491 else sll_ptr(s1, s2.as_constant(), d); 492 } 493 494 // Use the right branch for the platform 495 496 inline void MacroAssembler::br( Condition c, bool a, Predict p, address d, relocInfo::relocType rt ) { 497 if (VM_Version::v9_instructions_work()) 498 Assembler::bp(c, a, icc, p, d, rt); 499 else 500 Assembler::br(c, a, d, rt); 501 } 502 503 inline void MacroAssembler::br( Condition c, bool a, Predict p, Label& L ) { 504 br(c, a, p, target(L)); 505 } 506 507 508 // Branch that tests either xcc or icc depending on the 509 // architecture compiled (LP64 or not) 510 inline void MacroAssembler::brx( Condition c, bool a, Predict p, address d, relocInfo::relocType rt ) { 511 #ifdef _LP64 512 Assembler::bp(c, a, xcc, p, d, rt); 513 #else 514 MacroAssembler::br(c, a, p, d, rt); 515 #endif 516 } 517 518 inline void MacroAssembler::brx( Condition c, bool a, Predict p, Label& L ) { 519 brx(c, a, p, target(L)); 520 } 521 522 inline void MacroAssembler::ba( bool a, Label& L ) { 523 br(always, a, pt, L); 524 } 525 526 // Warning: V9 only functions 527 inline void MacroAssembler::bp( Condition c, bool a, CC cc, Predict p, address d, relocInfo::relocType rt ) { 528 Assembler::bp(c, a, cc, p, d, rt); 529 } 530 531 inline void MacroAssembler::bp( Condition c, bool a, CC cc, Predict p, Label& L ) { 532 Assembler::bp(c, a, cc, p, L); 533 } 534 535 inline void MacroAssembler::fb( Condition c, bool a, Predict p, address d, relocInfo::relocType rt ) { 536 if (VM_Version::v9_instructions_work()) 537 fbp(c, a, fcc0, p, d, rt); 538 else 539 Assembler::fb(c, a, d, rt); 540 } 541 542 inline void MacroAssembler::fb( Condition c, bool a, Predict p, Label& L ) { 543 fb(c, a, p, target(L)); 544 } 545 546 inline void MacroAssembler::fbp( Condition c, bool a, CC cc, Predict p, address d, relocInfo::relocType rt ) { 547 Assembler::fbp(c, a, cc, p, d, rt); 548 } 549 550 inline void MacroAssembler::fbp( Condition c, bool a, CC cc, Predict p, Label& L ) { 551 Assembler::fbp(c, a, cc, p, L); 552 } 553 554 inline void MacroAssembler::jmp( Register s1, Register s2 ) { jmpl( s1, s2, G0 ); } 555 inline void MacroAssembler::jmp( Register s1, int simm13a, RelocationHolder const& rspec ) { jmpl( s1, simm13a, G0, rspec); } 556 557 // Call with a check to see if we need to deal with the added 558 // expense of relocation and if we overflow the displacement 559 // of the quick call instruction./ 560 // Check to see if we have to deal with relocations 561 inline void MacroAssembler::call( address d, relocInfo::relocType rt ) { 562 #ifdef _LP64 563 intptr_t disp; 564 // NULL is ok because it will be relocated later. 565 // Must change NULL to a reachable address in order to 566 // pass asserts here and in wdisp. 567 if ( d == NULL ) 568 d = pc(); 569 570 // Is this address within range of the call instruction? 571 // If not, use the expensive instruction sequence 572 disp = (intptr_t)d - (intptr_t)pc(); 573 if ( disp != (intptr_t)(int32_t)disp ) { 574 relocate(rt); 575 AddressLiteral dest(d); 576 jumpl_to(dest, O7, O7); 577 } 578 else { 579 Assembler::call( d, rt ); 580 } 581 #else 582 Assembler::call( d, rt ); 583 #endif 584 } 585 586 inline void MacroAssembler::call( Label& L, relocInfo::relocType rt ) { 587 MacroAssembler::call( target(L), rt); 588 } 589 590 591 592 inline void MacroAssembler::callr( Register s1, Register s2 ) { jmpl( s1, s2, O7 ); } 593 inline void MacroAssembler::callr( Register s1, int simm13a, RelocationHolder const& rspec ) { jmpl( s1, simm13a, O7, rspec); } 594 595 // prefetch instruction 596 inline void MacroAssembler::iprefetch( address d, relocInfo::relocType rt ) { 597 if (VM_Version::v9_instructions_work()) 598 Assembler::bp( never, true, xcc, pt, d, rt ); 599 } 600 inline void MacroAssembler::iprefetch( Label& L) { iprefetch( target(L) ); } 601 602 603 // clobbers o7 on V8!! 604 // returns delta from gotten pc to addr after 605 inline int MacroAssembler::get_pc( Register d ) { 606 int x = offset(); 607 if (VM_Version::v9_instructions_work()) 608 rdpc(d); 609 else { 610 Label lbl; 611 Assembler::call(lbl, relocInfo::none); // No relocation as this is call to pc+0x8 612 if (d == O7) delayed()->nop(); 613 else delayed()->mov(O7, d); 614 bind(lbl); 615 } 616 return offset() - x; 617 } 618 619 620 // Note: All MacroAssembler::set_foo functions are defined out-of-line. 621 622 623 // Loads the current PC of the following instruction as an immediate value in 624 // 2 instructions. All PCs in the CodeCache are within 2 Gig of each other. 625 inline intptr_t MacroAssembler::load_pc_address( Register reg, int bytes_to_skip ) { 626 intptr_t thepc = (intptr_t)pc() + 2*BytesPerInstWord + bytes_to_skip; 627 #ifdef _LP64 628 Unimplemented(); 629 #else 630 Assembler::sethi( thepc & ~0x3ff, reg, internal_word_Relocation::spec((address)thepc)); 631 Assembler::add(reg,thepc & 0x3ff, reg, internal_word_Relocation::spec((address)thepc)); 632 #endif 633 return thepc; 634 } 635 636 637 inline void MacroAssembler::load_contents(AddressLiteral& addrlit, Register d, int offset) { 638 assert_not_delayed(); 639 sethi(addrlit, d); 640 ld(d, addrlit.low10() + offset, d); 641 } 642 643 644 inline void MacroAssembler::load_ptr_contents(AddressLiteral& addrlit, Register d, int offset) { 645 assert_not_delayed(); 646 sethi(addrlit, d); 647 ld_ptr(d, addrlit.low10() + offset, d); 648 } 649 650 651 inline void MacroAssembler::store_contents(Register s, AddressLiteral& addrlit, Register temp, int offset) { 652 assert_not_delayed(); 653 sethi(addrlit, temp); 654 st(s, temp, addrlit.low10() + offset); 655 } 656 657 658 inline void MacroAssembler::store_ptr_contents(Register s, AddressLiteral& addrlit, Register temp, int offset) { 659 assert_not_delayed(); 660 sethi(addrlit, temp); 661 st_ptr(s, temp, addrlit.low10() + offset); 662 } 663 664 665 // This code sequence is relocatable to any address, even on LP64. 666 inline void MacroAssembler::jumpl_to(AddressLiteral& addrlit, Register temp, Register d, int offset) { 667 assert_not_delayed(); 668 // Force fixed length sethi because NativeJump and NativeFarCall don't handle 669 // variable length instruction streams. 670 patchable_sethi(addrlit, temp); 671 jmpl(temp, addrlit.low10() + offset, d); 672 } 673 674 675 inline void MacroAssembler::jump_to(AddressLiteral& addrlit, Register temp, int offset) { 676 jumpl_to(addrlit, temp, G0, offset); 677 } 678 679 680 inline void MacroAssembler::jump_indirect_to(Address& a, Register temp, 681 int ld_offset, int jmp_offset) { 682 assert_not_delayed(); 683 //sethi(al); // sethi is caller responsibility for this one 684 ld_ptr(a, temp, ld_offset); 685 jmp(temp, jmp_offset); 686 } 687 688 689 inline void MacroAssembler::set_oop(jobject obj, Register d) { 690 set_oop(allocate_oop_address(obj), d); 691 } 692 693 694 inline void MacroAssembler::set_oop_constant(jobject obj, Register d) { 695 set_oop(constant_oop_address(obj), d); 696 } 697 698 699 inline void MacroAssembler::set_oop(AddressLiteral& obj_addr, Register d) { 700 assert(obj_addr.rspec().type() == relocInfo::oop_type, "must be an oop reloc"); 701 set(obj_addr, d); 702 } 703 704 705 inline void MacroAssembler::load_argument( Argument& a, Register d ) { 706 if (a.is_register()) 707 mov(a.as_register(), d); 708 else 709 ld (a.as_address(), d); 710 } 711 712 inline void MacroAssembler::store_argument( Register s, Argument& a ) { 713 if (a.is_register()) 714 mov(s, a.as_register()); 715 else 716 st_ptr (s, a.as_address()); // ABI says everything is right justified. 717 } 718 719 inline void MacroAssembler::store_ptr_argument( Register s, Argument& a ) { 720 if (a.is_register()) 721 mov(s, a.as_register()); 722 else 723 st_ptr (s, a.as_address()); 724 } 725 726 727 #ifdef _LP64 728 inline void MacroAssembler::store_float_argument( FloatRegister s, Argument& a ) { 729 if (a.is_float_register()) 730 // V9 ABI has F1, F3, F5 are used to pass instead of O0, O1, O2 731 fmov(FloatRegisterImpl::S, s, a.as_float_register() ); 732 else 733 // Floats are stored in the high half of the stack entry 734 // The low half is undefined per the ABI. 735 stf(FloatRegisterImpl::S, s, a.as_address(), sizeof(jfloat)); 736 } 737 738 inline void MacroAssembler::store_double_argument( FloatRegister s, Argument& a ) { 739 if (a.is_float_register()) 740 // V9 ABI has D0, D2, D4 are used to pass instead of O0, O1, O2 741 fmov(FloatRegisterImpl::D, s, a.as_double_register() ); 742 else 743 stf(FloatRegisterImpl::D, s, a.as_address()); 744 } 745 746 inline void MacroAssembler::store_long_argument( Register s, Argument& a ) { 747 if (a.is_register()) 748 mov(s, a.as_register()); 749 else 750 stx(s, a.as_address()); 751 } 752 #endif 753 754 inline void MacroAssembler::clrb( Register s1, Register s2) { stb( G0, s1, s2 ); } 755 inline void MacroAssembler::clrh( Register s1, Register s2) { sth( G0, s1, s2 ); } 756 inline void MacroAssembler::clr( Register s1, Register s2) { stw( G0, s1, s2 ); } 757 inline void MacroAssembler::clrx( Register s1, Register s2) { stx( G0, s1, s2 ); } 758 759 inline void MacroAssembler::clrb( Register s1, int simm13a) { stb( G0, s1, simm13a); } 760 inline void MacroAssembler::clrh( Register s1, int simm13a) { sth( G0, s1, simm13a); } 761 inline void MacroAssembler::clr( Register s1, int simm13a) { stw( G0, s1, simm13a); } 762 inline void MacroAssembler::clrx( Register s1, int simm13a) { stx( G0, s1, simm13a); } 763 764 // returns if membar generates anything, obviously this code should mirror 765 // membar below. 766 inline bool MacroAssembler::membar_has_effect( Membar_mask_bits const7a ) { 767 if( !os::is_MP() ) return false; // Not needed on single CPU 768 if( VM_Version::v9_instructions_work() ) { 769 const Membar_mask_bits effective_mask = 770 Membar_mask_bits(const7a & ~(LoadLoad | LoadStore | StoreStore)); 771 return (effective_mask != 0); 772 } else { 773 return true; 774 } 775 } 776 777 inline void MacroAssembler::membar( Membar_mask_bits const7a ) { 778 // Uniprocessors do not need memory barriers 779 if (!os::is_MP()) return; 780 // Weakened for current Sparcs and TSO. See the v9 manual, sections 8.4.3, 781 // 8.4.4.3, a.31 and a.50. 782 if( VM_Version::v9_instructions_work() ) { 783 // Under TSO, setting bit 3, 2, or 0 is redundant, so the only value 784 // of the mmask subfield of const7a that does anything that isn't done 785 // implicitly is StoreLoad. 786 const Membar_mask_bits effective_mask = 787 Membar_mask_bits(const7a & ~(LoadLoad | LoadStore | StoreStore)); 788 if ( effective_mask != 0 ) { 789 Assembler::membar( effective_mask ); 790 } 791 } else { 792 // stbar is the closest there is on v8. Equivalent to membar(StoreStore). We 793 // do not issue the stbar because to my knowledge all v8 machines implement TSO, 794 // which guarantees that all stores behave as if an stbar were issued just after 795 // each one of them. On these machines, stbar ought to be a nop. There doesn't 796 // appear to be an equivalent of membar(StoreLoad) on v8: TSO doesn't require it, 797 // it can't be specified by stbar, nor have I come up with a way to simulate it. 798 // 799 // Addendum. Dave says that ldstub guarantees a write buffer flush to coherent 800 // space. Put one here to be on the safe side. 801 Assembler::ldstub(SP, 0, G0); 802 } 803 }