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 /*

  * 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.

  *

  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 #ifndef CPU_SPARC_VM_MACROASSEMBLER_SPARC_INLINE_HPP

 #define CPU_SPARC_VM_MACROASSEMBLER_SPARC_INLINE_HPP

 #include "asm/assembler.inline.hpp"

 #include "asm/macroAssembler.hpp"

 #include "asm/codeBuffer.hpp"

 #include "code/codeCache.hpp"

 inline bool Address::is_simm13(int offset) { return Assembler::is_simm13(disp() + offset); }

 inline int AddressLiteral::low10() const {

   return Assembler::low10(value());

 }

 inline void MacroAssembler::pd_patch_instruction(address branch, address target) {

   jint& stub_inst = *(jint*) branch;

   stub_inst = patched_branch(target - branch, stub_inst, 0);

 }

 // 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

              ld( s1, s2, d);

 #endif

 }

 inline void MacroAssembler::ld_ptr( Register s1, int simm13a, Register d ) {

 #ifdef _LP64

   Assembler::ldx(s1, simm13a, d);

 #else

              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

   ldx(s1, s2, d);

 #else

   ld( s1, s2, d);

 #endif

 }

 inline void MacroAssembler::ld_ptr(const Address& a, Register d, int offset) {

 #ifdef _LP64

   ldx(a, d, offset);

 #else

   ld( a, d, offset);

 #endif

 }

 inline void MacroAssembler::st_ptr( Register d, Register s1, Register s2 ) {

 #ifdef _LP64

   Assembler::stx(d, s1, s2);

 #else

              st( d, s1, s2);

 #endif

 }

 inline void MacroAssembler::st_ptr( Register d, Register s1, int simm13a ) {

 #ifdef _LP64

   Assembler::stx(d, s1, simm13a);

 #else

              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

   stx(d, s1, s2);

 #else

   st( d, s1, s2);

 #endif

 }

 inline void MacroAssembler::st_ptr(Register d, const Address& a, int offset) {

 #ifdef _LP64

   stx(d, a, offset);

 #else

   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

   ldx(s1, s2, d);

 #else

   ldd(s1, s2, d);

 #endif

 }

 inline void MacroAssembler::ld_long(const Address& a, Register d, int offset) {

 #ifdef _LP64

   ldx(a, d, offset);

 #else

   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

   stx(d, s1, s2);

 #else

   std(d, s1, s2);

 #endif

 }

 inline void MacroAssembler::st_long( Register d, const Address& a, int offset ) {

 #ifdef _LP64

   stx(d, a, offset);

 #else

   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));

              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::add(Register s1, int simm13a, Register d, relocInfo::relocType rtype) {

   relocate(rtype);

   add(s1, simm13a, d);

 }

 inline void MacroAssembler::add(Register s1, int simm13a, Register d, RelocationHolder const& rspec) {

   relocate(rspec);

   add(s1, simm13a, d);

 }

 // form effective addresses this way:

 inline void MacroAssembler::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 MacroAssembler::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 MacroAssembler::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 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); }

 #ifdef _LP64

 // Make all 32 bit loads signed so 64 bit registers maintain proper sign

 inline void MacroAssembler::ld(  Register s1, Register s2, Register d)      { ldsw( s1, s2, d); }

 inline void MacroAssembler::ld(  Register s1, int simm13a, Register d)      { ldsw( s1, simm13a, d); }

 #else

 inline void MacroAssembler::ld(  Register s1, Register s2, Register d)      { lduw( s1, s2, d); }

 inline void MacroAssembler::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 MacroAssembler::ld(Register s1, ByteSize simm13a, Register d) { ldsw( s1, in_bytes(simm13a), d); }

 # else

 inline void MacroAssembler::ld(Register s1, ByteSize simm13a, Register d) { lduw( s1, in_bytes(simm13a), d); }

 # endif

 #endif

 inline void MacroAssembler::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 MacroAssembler::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 MacroAssembler::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 MacroAssembler::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 MacroAssembler::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 MacroAssembler::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 MacroAssembler::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 MacroAssembler::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 MacroAssembler::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 MacroAssembler::ldub(Register s1, RegisterOrConstant s2, Register d) { ldub(Address(s1, s2), d); }

 inline void MacroAssembler::ldsb(Register s1, RegisterOrConstant s2, Register d) { ldsb(Address(s1, s2), d); }

 inline void MacroAssembler::lduh(Register s1, RegisterOrConstant s2, Register d) { lduh(Address(s1, s2), d); }

 inline void MacroAssembler::ldsh(Register s1, RegisterOrConstant s2, Register d) { ldsh(Address(s1, s2), d); }

 inline void MacroAssembler::lduw(Register s1, RegisterOrConstant s2, Register d) { lduw(Address(s1, s2), d); }

 inline void MacroAssembler::ldsw(Register s1, RegisterOrConstant s2, Register d) { ldsw(Address(s1, s2), d); }

 inline void MacroAssembler::ldx( Register s1, RegisterOrConstant s2, Register d) { ldx( Address(s1, s2), d); }

 inline void MacroAssembler::ld(  Register s1, RegisterOrConstant s2, Register d) { ld(  Address(s1, s2), d); }

 inline void MacroAssembler::ldd( Register s1, RegisterOrConstant s2, Register d) { ldd( Address(s1, s2), d); }

 inline void MacroAssembler::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 MacroAssembler::ldf(FloatRegisterImpl::Width w, const Address& a, FloatRegister d, int offset) {

   relocate(a.rspec(offset));

   ldf(w, a.base(), a.disp() + offset, d);

 }

 // 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);

   }

 }

 inline void MacroAssembler::prefetch(const Address& a, PrefetchFcn f, int offset) {

   relocate(a.rspec(offset));

   assert(!a.has_index(), "");

   prefetch(a.base(), a.disp() + offset, f);

 }

 inline void MacroAssembler::st(Register d, Register s1, Register s2)      { stw(d, s1, s2); }

 inline void MacroAssembler::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 MacroAssembler::st(Register d, Register s1, ByteSize simm13a) { stw(d, s1, in_bytes(simm13a)); }

 #endif

 inline void MacroAssembler::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 MacroAssembler::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 MacroAssembler::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 MacroAssembler::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 MacroAssembler::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 MacroAssembler::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 MacroAssembler::stb(Register d, Register s1, RegisterOrConstant s2) { stb(d, Address(s1, s2)); }

 inline void MacroAssembler::sth(Register d, Register s1, RegisterOrConstant s2) { sth(d, Address(s1, s2)); }

 inline void MacroAssembler::stw(Register d, Register s1, RegisterOrConstant s2) { stw(d, Address(s1, s2)); }

 inline void MacroAssembler::stx(Register d, Register s1, RegisterOrConstant s2) { stx(d, Address(s1, s2)); }

 inline void MacroAssembler::std(Register d, Register s1, RegisterOrConstant s2) { std(d, Address(s1, s2)); }

 inline void MacroAssembler::st( Register d, Register s1, RegisterOrConstant s2) { st( d, Address(s1, s2)); }

 inline void MacroAssembler::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 MacroAssembler::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 MacroAssembler::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);

 }

 inline void MacroAssembler::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); }

 }

 #endif // CPU_SPARC_VM_MACROASSEMBLER_SPARC_INLINE_HPP