Mercurial > hg > truffle
view src/cpu/sparc/vm/c1_LIRAssembler_sparc.hpp @ 827:bf3489cc0aa0
6856025: assert(_base >= OopPtr && _base <= KlassPtr,"Not a Java pointer")
Reviewed-by: kvn
author | never |
---|---|
date | Wed, 01 Jul 2009 12:22:23 -0700 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
line wrap: on
line source
/* * Copyright 2000-2006 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ private: ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// // // Sparc load/store emission // // The sparc ld/st instructions cannot accomodate displacements > 13 bits long. // The following "pseudo" sparc instructions (load/store) make it easier to use the indexed addressing mode // by allowing 32 bit displacements: // // When disp <= 13 bits long, a single load or store instruction is emitted with (disp + [d]). // When disp > 13 bits long, code is emitted to set the displacement into the O7 register, // and then a load or store is emitted with ([O7] + [d]). // // some load/store variants return the code_offset for proper positioning of debug info for null checks // load/store with 32 bit displacement int load(Register s, int disp, Register d, BasicType ld_type, CodeEmitInfo* info = NULL); void store(Register value, Register base, int offset, BasicType type, CodeEmitInfo *info = NULL); // loadf/storef with 32 bit displacement void load(Register s, int disp, FloatRegister d, BasicType ld_type, CodeEmitInfo* info = NULL); void store(FloatRegister d, Register s1, int disp, BasicType st_type, CodeEmitInfo* info = NULL); // convienence methods for calling load/store with an Address void load(const Address& a, Register d, BasicType ld_type, CodeEmitInfo* info = NULL, int offset = 0); void store(Register d, const Address& a, BasicType st_type, CodeEmitInfo* info = NULL, int offset = 0); void load(const Address& a, FloatRegister d, BasicType ld_type, CodeEmitInfo* info = NULL, int offset = 0); void store(FloatRegister d, const Address& a, BasicType st_type, CodeEmitInfo* info = NULL, int offset = 0); // convienence methods for calling load/store with an LIR_Address void load(LIR_Address* a, Register d, BasicType ld_type, CodeEmitInfo* info = NULL); void store(Register d, LIR_Address* a, BasicType st_type, CodeEmitInfo* info = NULL); void load(LIR_Address* a, FloatRegister d, BasicType ld_type, CodeEmitInfo* info = NULL); void store(FloatRegister d, LIR_Address* a, BasicType st_type, CodeEmitInfo* info = NULL); int store(LIR_Opr from_reg, Register base, int offset, BasicType type, bool unaligned = false); int store(LIR_Opr from_reg, Register base, Register disp, BasicType type); int load(Register base, int offset, LIR_Opr to_reg, BasicType type, bool unaligned = false); int load(Register base, Register disp, LIR_Opr to_reg, BasicType type); void monitorexit(LIR_Opr obj_opr, LIR_Opr lock_opr, Register hdr, int monitor_no); int shift_amount(BasicType t); static bool is_single_instruction(LIR_Op* op); public: void pack64( Register rs, Register rd ); void unpack64( Register rd ); enum { #ifdef _LP64 call_stub_size = 68, #else call_stub_size = 20, #endif // _LP64 exception_handler_size = DEBUG_ONLY(1*K) NOT_DEBUG(10*4), deopt_handler_size = DEBUG_ONLY(1*K) NOT_DEBUG(10*4) };