src/share/vm/c1/c1_LIRAssembler.hpp

Fri, 29 Apr 2016 00:06:10 +0800

author
aoqi
date
Fri, 29 Apr 2016 00:06:10 +0800
changeset 1
2d8a650513c2
parent 0
f90c822e73f8
child 6876
710a3c8b516e
permissions
-rw-r--r--

Added MIPS 64-bit port.

     1 /*
     2  * Copyright (c) 2000, 2013, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    20  * or visit www.oracle.com if you need additional information or have any
    21  * questions.
    22  *
    23  */
    25 /*
    26  * This file has been modified by Loongson Technology in 2015. These
    27  * modifications are Copyright (c) 2015 Loongson Technology, and are made
    28  * available on the same license terms set forth above.
    29  */
    31 #ifndef SHARE_VM_C1_C1_LIRASSEMBLER_HPP
    32 #define SHARE_VM_C1_C1_LIRASSEMBLER_HPP
    34 #include "c1/c1_CodeStubs.hpp"
    35 #include "ci/ciMethodData.hpp"
    36 #include "oops/methodData.hpp"
    37 #include "utilities/top.hpp"
    39 class Compilation;
    40 class ScopeValue;
    41 class BarrierSet;
    43 class LIR_Assembler: public CompilationResourceObj {
    44  private:
    45   C1_MacroAssembler* _masm;
    46   CodeStubList*      _slow_case_stubs;
    47   BarrierSet*        _bs;
    49   Compilation*       _compilation;
    50   FrameMap*          _frame_map;
    51   BlockBegin*        _current_block;
    53   Instruction*       _pending_non_safepoint;
    54   int                _pending_non_safepoint_offset;
    56   Label              _unwind_handler_entry;
    58 #ifdef ASSERT
    59   BlockList          _branch_target_blocks;
    60   void check_no_unbound_labels();
    61 #endif
    63   FrameMap* frame_map() const { return _frame_map; }
    65   void set_current_block(BlockBegin* b) { _current_block = b; }
    66   BlockBegin* current_block() const { return _current_block; }
    68   // non-safepoint debug info management
    69   void flush_debug_info(int before_pc_offset) {
    70     if (_pending_non_safepoint != NULL) {
    71       if (_pending_non_safepoint_offset < before_pc_offset)
    72         record_non_safepoint_debug_info();
    73       _pending_non_safepoint = NULL;
    74     }
    75   }
    76   void process_debug_info(LIR_Op* op);
    77   void record_non_safepoint_debug_info();
    79   // unified bailout support
    80   void bailout(const char* msg) const            { compilation()->bailout(msg); }
    81   bool bailed_out() const                        { return compilation()->bailed_out(); }
    83   // code emission patterns and accessors
    84   void check_codespace();
    85   bool needs_icache(ciMethod* method) const;
    87   // returns offset of icache check
    88   int check_icache();
    90   void jobject2reg(jobject o, Register reg);
    91   void jobject2reg_with_patching(Register reg, CodeEmitInfo* info);
    93   void metadata2reg(Metadata* o, Register reg);
    94   void klass2reg_with_patching(Register reg, CodeEmitInfo* info);
    96   void emit_stubs(CodeStubList* stub_list);
    98   // addresses
    99   Address as_Address(LIR_Address* addr);
   100   Address as_Address_lo(LIR_Address* addr);
   101   Address as_Address_hi(LIR_Address* addr);
   103   // debug information
   104   void add_call_info(int pc_offset, CodeEmitInfo* cinfo);
   105   void add_debug_info_for_branch(CodeEmitInfo* info);
   106   void add_debug_info_for_div0(int pc_offset, CodeEmitInfo* cinfo);
   107   void add_debug_info_for_div0_here(CodeEmitInfo* info);
   108   void add_debug_info_for_null_check(int pc_offset, CodeEmitInfo* cinfo);
   109   void add_debug_info_for_null_check_here(CodeEmitInfo* info);
   111   void set_24bit_FPU();
   112   void reset_FPU();
   113   void fpop();
   114   void fxch(int i);
   115   void fld(int i);
   116   void ffree(int i);
   118   void breakpoint();
   119   void push(LIR_Opr opr);
   120   void pop(LIR_Opr opr);
   122   // patching
   123   void append_patching_stub(PatchingStub* stub);
   124   void patching_epilog(PatchingStub* patch, LIR_PatchCode patch_code, Register obj, CodeEmitInfo* info);
   126   void comp_op(LIR_Condition condition, LIR_Opr src, LIR_Opr result, LIR_Op2* op);
   128   PatchingStub::PatchID patching_id(CodeEmitInfo* info);
   130  public:
   131   LIR_Assembler(Compilation* c);
   132   ~LIR_Assembler();
   133   C1_MacroAssembler* masm() const                { return _masm; }
   134   Compilation* compilation() const               { return _compilation; }
   135   ciMethod* method() const                       { return compilation()->method(); }
   137   CodeOffsets* offsets() const                   { return _compilation->offsets(); }
   138   int code_offset() const;
   139   address pc() const;
   141   int  initial_frame_size_in_bytes() const;
   142   int  bang_size_in_bytes() const;
   144   // test for constants which can be encoded directly in instructions
   145   static bool is_small_constant(LIR_Opr opr);
   147   static LIR_Opr receiverOpr();
   148   static LIR_Opr osrBufferPointer();
   150   // stubs
   151   void emit_slow_case_stubs();
   152   void emit_static_call_stub();
   153   void append_code_stub(CodeStub* op);
   154   void add_call_info_here(CodeEmitInfo* info)                              { add_call_info(code_offset(), info); }
   156   // code patterns
   157   int  emit_exception_handler();
   158   int  emit_unwind_handler();
   159   void emit_exception_entries(ExceptionInfoList* info_list);
   160   int  emit_deopt_handler();
   162   void emit_code(BlockList* hir);
   163   void emit_block(BlockBegin* block);
   164   void emit_lir_list(LIR_List* list);
   166   // any last minute peephole optimizations are performed here.  In
   167   // particular sparc uses this for delay slot filling.
   168   void peephole(LIR_List* list);
   170   void emit_string_compare(LIR_Opr left, LIR_Opr right, LIR_Opr dst, CodeEmitInfo* info);
   172   void return_op(LIR_Opr result);
   174   // returns offset of poll instruction
   175   int safepoint_poll(LIR_Opr result, CodeEmitInfo* info);
   177   void const2reg  (LIR_Opr src, LIR_Opr dest, LIR_PatchCode patch_code, CodeEmitInfo* info);
   178   void const2stack(LIR_Opr src, LIR_Opr dest);
   179   void const2mem  (LIR_Opr src, LIR_Opr dest, BasicType type, CodeEmitInfo* info, bool wide);
   180   void reg2stack  (LIR_Opr src, LIR_Opr dest, BasicType type, bool pop_fpu_stack);
   181   void reg2reg    (LIR_Opr src, LIR_Opr dest);
   182   void reg2mem    (LIR_Opr src, LIR_Opr dest, BasicType type,
   183                    LIR_PatchCode patch_code, CodeEmitInfo* info,
   184                    bool pop_fpu_stack, bool wide, bool unaligned);
   185   void stack2reg  (LIR_Opr src, LIR_Opr dest, BasicType type);
   186   void stack2stack(LIR_Opr src, LIR_Opr dest, BasicType type);
   187   void mem2reg    (LIR_Opr src, LIR_Opr dest, BasicType type,
   188                    LIR_PatchCode patch_code,
   189                    CodeEmitInfo* info, bool wide, bool unaligned);
   191   void prefetchr  (LIR_Opr src);
   192   void prefetchw  (LIR_Opr src);
   194   void shift_op(LIR_Code code, LIR_Opr left, LIR_Opr count, LIR_Opr dest, LIR_Opr tmp);
   195   void shift_op(LIR_Code code, LIR_Opr left, jint  count, LIR_Opr dest);
   197   void move_regs(Register from_reg, Register to_reg);
   198   void swap_reg(Register a, Register b);
   200   void emit_op0(LIR_Op0* op);
   201   void emit_op1(LIR_Op1* op);
   202   void emit_op2(LIR_Op2* op);
   203   void emit_op3(LIR_Op3* op);
   204   void emit_opBranch(LIR_OpBranch* op);
   205   void emit_opLabel(LIR_OpLabel* op);
   206   void emit_arraycopy(LIR_OpArrayCopy* op);
   207   void emit_updatecrc32(LIR_OpUpdateCRC32* op);
   208   void emit_opConvert(LIR_OpConvert* op);
   209   void emit_alloc_obj(LIR_OpAllocObj* op);
   210   void emit_alloc_array(LIR_OpAllocArray* op);
   211   void emit_opTypeCheck(LIR_OpTypeCheck* op);
   212   void emit_typecheck_helper(LIR_OpTypeCheck *op, Label* success, Label* failure, Label* obj_is_null);
   213   void emit_compare_and_swap(LIR_OpCompareAndSwap* op);
   214   void emit_lock(LIR_OpLock* op);
   215   void emit_call(LIR_OpJavaCall* op);
   216   void emit_rtcall(LIR_OpRTCall* op);
   217   void emit_profile_call(LIR_OpProfileCall* op);
   218   void emit_profile_type(LIR_OpProfileType* op);
   219   void emit_delay(LIR_OpDelay* op);
   221   void arith_op(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr dest, CodeEmitInfo* info, bool pop_fpu_stack);
   222 #ifdef MIPS64
   223   void arithmetic_frem(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr temp, LIR_Opr result, CodeEmitInfo* info = NULL);
   224 #endif
   225   void arithmetic_idiv(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr temp, LIR_Opr result, CodeEmitInfo* info);
   226   void intrinsic_op(LIR_Code code, LIR_Opr value, LIR_Opr unused, LIR_Opr dest, LIR_Op* op);
   227 #ifdef ASSERT
   228   void emit_assert(LIR_OpAssert* op);
   229 #endif
   231   void logic_op(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr dest);
   233   void roundfp_op(LIR_Opr src, LIR_Opr tmp, LIR_Opr dest, bool pop_fpu_stack);
   234   void move_op(LIR_Opr src, LIR_Opr result, BasicType type,
   235                LIR_PatchCode patch_code, CodeEmitInfo* info, bool pop_fpu_stack, bool unaligned, bool wide);
   236   void volatile_move_op(LIR_Opr src, LIR_Opr result, BasicType type, CodeEmitInfo* info);
   237   void comp_mem_op(LIR_Opr src, LIR_Opr result, BasicType type, CodeEmitInfo* info);  // info set for null exceptions
   238   void comp_fl2i(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr result, LIR_Op2* op);
   239   void cmove(LIR_Condition code, LIR_Opr left, LIR_Opr right, LIR_Opr result, BasicType type);
   241   void call(        LIR_OpJavaCall* op, relocInfo::relocType rtype);
   242   void ic_call(     LIR_OpJavaCall* op);
   243   void vtable_call( LIR_OpJavaCall* op);
   245   void osr_entry();
   247   void build_frame();
   249   void throw_op(LIR_Opr exceptionPC, LIR_Opr exceptionOop, CodeEmitInfo* info);
   250   void unwind_op(LIR_Opr exceptionOop);
   251   void monitor_address(int monitor_ix, LIR_Opr dst);
   253   void align_backward_branch_target();
   254   void align_call(LIR_Code code);
   256   void negate(LIR_Opr left, LIR_Opr dest);
   257   void leal(LIR_Opr left, LIR_Opr dest);
   259   void rt_call(LIR_Opr result, address dest, const LIR_OprList* args, LIR_Opr tmp, CodeEmitInfo* info);
   261   void membar();
   262   void membar_acquire();
   263   void membar_release();
   264   void membar_loadload();
   265   void membar_storestore();
   266   void membar_loadstore();
   267   void membar_storeload();
   268   void get_thread(LIR_Opr result);
   270   void verify_oop_map(CodeEmitInfo* info);
   272   void atomic_op(LIR_Code code, LIR_Opr src, LIR_Opr data, LIR_Opr dest, LIR_Opr tmp);
   274 #ifdef TARGET_ARCH_x86
   275 # include "c1_LIRAssembler_x86.hpp"
   276 #endif
   277 #ifdef TARGET_ARCH_mips
   278 # include "c1_LIRAssembler_mips.hpp"
   279 #endif
   280 #ifdef TARGET_ARCH_sparc
   281 # include "c1_LIRAssembler_sparc.hpp"
   282 #endif
   283 #ifdef TARGET_ARCH_arm
   284 # include "c1_LIRAssembler_arm.hpp"
   285 #endif
   286 #ifdef TARGET_ARCH_ppc
   287 # include "c1_LIRAssembler_ppc.hpp"
   288 #endif
   290 };
   292 #endif // SHARE_VM_C1_C1_LIRASSEMBLER_HPP

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