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		bd2fd73196
		
	
	
	
	
		
			
			* insns.def (checkmatch): adjust type of the index variable, to get rid of (potential) overflow. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56911 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
		
			
				
	
	
		
			2181 lines
		
	
	
	
		
			46 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			2181 lines
		
	
	
	
		
			46 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /** ##skip -*- mode:c; style:ruby; coding: utf-8 -*-
 | ||
|   insns.def - YARV instruction definitions
 | ||
| 
 | ||
|   $Author: $
 | ||
|   created at: 04/01/01 01:17:55 JST
 | ||
| 
 | ||
|   Copyright (C) 2004-2007 Koichi Sasada
 | ||
| */
 | ||
| 
 | ||
| /** ##skip
 | ||
|   instruction comment
 | ||
|   @c: category
 | ||
|   @e: english description
 | ||
|   @j: japanese description
 | ||
| 
 | ||
|   instruction form:
 | ||
|     DEFINE_INSN
 | ||
|     instruction_name
 | ||
|     (instruction_operands, ..)
 | ||
|     (pop_values, ..)
 | ||
|     (return value)
 | ||
|     {
 | ||
|        .. // insn body
 | ||
|     }
 | ||
| 
 | ||
|  */
 | ||
| 
 | ||
| 
 | ||
| /**
 | ||
|   @c nop
 | ||
|   @e nop
 | ||
|   @j nop
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| nop
 | ||
| ()
 | ||
| ()
 | ||
| ()
 | ||
| {
 | ||
|     /* none */
 | ||
| }
 | ||
| 
 | ||
| /**********************************************************/
 | ||
| /* deal with variables                                    */
 | ||
| /**********************************************************/
 | ||
| 
 | ||
| /**
 | ||
|   @c variable
 | ||
|   @e Get local variable (pointed by `idx' and `level').
 | ||
|      'level' indicates the nesting depth from the current block.
 | ||
|   @j level, idx で指定されたローカル変数の値をスタックに置く。
 | ||
|      level はブロックのネストレベルで、何段上かを示す。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| getlocal
 | ||
| (lindex_t idx, rb_num_t level)
 | ||
| ()
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     int i, lev = (int)level;
 | ||
|     const VALUE *ep = GET_EP();
 | ||
| 
 | ||
|     /* optimized insns generated for level == (0|1) in defs/opt_operand.def */
 | ||
|     for (i = 0; i < lev; i++) {
 | ||
| 	ep = GET_PREV_EP(ep);
 | ||
|     }
 | ||
|     val = *(ep - idx);
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c variable
 | ||
|   @e Set a local variable (pointed to by 'idx') as val.
 | ||
|      'level' indicates the nesting depth from the current block.
 | ||
|   @j level, idx で指定されたローカル変数の値を val にする。
 | ||
|      level はブロックのネストレベルで、何段上かを示す。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| setlocal
 | ||
| (lindex_t idx, rb_num_t level)
 | ||
| (VALUE val)
 | ||
| ()
 | ||
| {
 | ||
|     int i, lev = (int)level;
 | ||
|     const VALUE *ep = GET_EP();
 | ||
| 
 | ||
|     /* optimized insns generated for level == (0|1) in defs/opt_operand.def */
 | ||
|     for (i = 0; i < lev; i++) {
 | ||
| 	ep = GET_PREV_EP(ep);
 | ||
|     }
 | ||
|     vm_env_write(ep, -(int)idx, val);
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c variable
 | ||
|   @e Get value of special local variable ($~, $_, ..).
 | ||
|   @j 特殊なローカル変数($~, $_, ...)の値を得る。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| getspecial
 | ||
| (rb_num_t key, rb_num_t type)
 | ||
| ()
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     val = vm_getspecial(th, GET_LEP(), key, type);
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c variable
 | ||
|   @e Set value of special local variable ($~, $_, ...) to obj.
 | ||
|   @j 特別なローカル変数($~, $_, ...)の値を設定する。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| setspecial
 | ||
| (rb_num_t key)
 | ||
| (VALUE obj)
 | ||
| ()
 | ||
| {
 | ||
|     lep_svar_set(th, GET_LEP(), key, obj);
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c variable
 | ||
|   @e Get value of instance variable id of self.
 | ||
|      If is_local is not 0, get value of class local variable.
 | ||
|   @j self のインスタンス変数 id の値を得る。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| getinstancevariable
 | ||
| (ID id, IC ic)
 | ||
| ()
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     val = vm_getinstancevariable(GET_SELF(), id, ic);
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c variable
 | ||
|   @e Set value of instance variable id of self to val.
 | ||
|      If is_local is not 0, set value of class local variable.
 | ||
|   @j self のインスタンス変数 id を val にする。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| setinstancevariable
 | ||
| (ID id, IC ic)
 | ||
| (VALUE val)
 | ||
| ()
 | ||
| {
 | ||
|     vm_setinstancevariable(GET_SELF(), id, val, ic);
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c variable
 | ||
|   @e Get value of class variable id of klass as val.
 | ||
|   @j 現在のスコープのクラス変数 id の値を得る。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| getclassvariable
 | ||
| (ID id)
 | ||
| ()
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     val = rb_cvar_get(vm_get_cvar_base(rb_vm_get_cref(GET_EP()), GET_CFP()), id);
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c variable
 | ||
|   @e Set value of class variable id of klass as val.
 | ||
|   @j klass のクラス変数 id を val にする。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| setclassvariable
 | ||
| (ID id)
 | ||
| (VALUE val)
 | ||
| ()
 | ||
| {
 | ||
|     vm_ensure_not_refinement_module(GET_SELF());
 | ||
|     rb_cvar_set(vm_get_cvar_base(rb_vm_get_cref(GET_EP()), GET_CFP()), id, val);
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c variable
 | ||
|   @e
 | ||
|    Get constant variable id. If klass is Qnil, constants
 | ||
|    are searched in the current scope. If klass is Qfalse, constants
 | ||
|    are searched as top level constants. Otherwise, get constant under klass
 | ||
|    class or module.
 | ||
|   @j 定数 id の値を得る。
 | ||
|    klass が Qnil なら、そのスコープで得られる定数の値を得る。
 | ||
|    Qfalse なら、トップレベルスコープを得る。
 | ||
|    それ以外なら、klass クラスの下の定数を得る。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| getconstant
 | ||
| (ID id)
 | ||
| (VALUE klass)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     val = vm_get_ev_const(th, klass, id, 0);
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c variable
 | ||
|   @e
 | ||
|    Set constant variable id. If klass is Qfalse, constant
 | ||
|    is able to access in this scope. if klass is Qnil, set
 | ||
|    top level constant. otherwise, set constant under klass
 | ||
|    class or module.
 | ||
| 
 | ||
|   @j 定数 id の値を val にする。
 | ||
|    klass が Qfalse なら、そのスコープで得られる定数 id の値を設定する。
 | ||
|    Qnil なら、トップレベルスコープの値を設定する。
 | ||
|    それ以外なら、klass クラスの下の定数を設定する。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| setconstant
 | ||
| (ID id)
 | ||
| (VALUE val, VALUE cbase)
 | ||
| ()
 | ||
| {
 | ||
|     vm_check_if_namespace(cbase);
 | ||
|     vm_ensure_not_refinement_module(GET_SELF());
 | ||
|     rb_const_set(cbase, id, val);
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c variable
 | ||
|   @e get global variable id.
 | ||
|   @j グローバル変数 id の値を得る。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| getglobal
 | ||
| (GENTRY entry)
 | ||
| ()
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     val = GET_GLOBAL((VALUE)entry);
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c variable
 | ||
|   @e set global variable id as val.
 | ||
|   @j グローバル変数 id の値を設定する。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| setglobal
 | ||
| (GENTRY entry)
 | ||
| (VALUE val)
 | ||
| ()
 | ||
| {
 | ||
|     SET_GLOBAL((VALUE)entry, val);
 | ||
| }
 | ||
| 
 | ||
| 
 | ||
| /**********************************************************/
 | ||
| /* deal with values                                       */
 | ||
| /**********************************************************/
 | ||
| 
 | ||
| /**
 | ||
|   @c put
 | ||
|   @e put nil to stack.
 | ||
|   @j スタックに nil をプッシュする。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| putnil
 | ||
| ()
 | ||
| ()
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     val = Qnil;
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c put
 | ||
|   @e put self.
 | ||
|   @j スタックに self をプッシュする。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| putself
 | ||
| ()
 | ||
| ()
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     val = GET_SELF();
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c put
 | ||
|   @e put some object.
 | ||
|      i.e. Fixnum, true, false, nil, and so on.
 | ||
|   @j オブジェクト val をスタックにプッシュする。
 | ||
|      i.e. Fixnum, true, false, nil, and so on.
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| putobject
 | ||
| (VALUE val)
 | ||
| ()
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     /* */
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c put
 | ||
|   @e put special object.  "value_type" is for expansion.
 | ||
|   @j 特別なオブジェクト val をスタックにプッシュする。
 | ||
|      オブジェクトの種類は value_type による.
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| putspecialobject
 | ||
| (rb_num_t value_type)
 | ||
| ()
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     enum vm_special_object_type type = (enum vm_special_object_type)value_type;
 | ||
| 
 | ||
|     switch (type) {
 | ||
|       case VM_SPECIAL_OBJECT_VMCORE:
 | ||
| 	val = rb_mRubyVMFrozenCore;
 | ||
| 	break;
 | ||
|       case VM_SPECIAL_OBJECT_CBASE:
 | ||
| 	val = vm_get_cbase(GET_EP());
 | ||
| 	break;
 | ||
|       case VM_SPECIAL_OBJECT_CONST_BASE:
 | ||
| 	val = vm_get_const_base(GET_EP());
 | ||
| 	break;
 | ||
|       default:
 | ||
| 	rb_bug("putspecialobject insn: unknown value_type");
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c put
 | ||
|   @e put iseq value.
 | ||
|   @j iseq をスタックにプッシュする。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| putiseq
 | ||
| (ISEQ iseq)
 | ||
| ()
 | ||
| (VALUE ret)
 | ||
| {
 | ||
|     ret = (VALUE)iseq;
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c put
 | ||
|   @e put string val. string will be copied.
 | ||
|   @j 文字列をコピーしてスタックにプッシュする。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| putstring
 | ||
| (VALUE str)
 | ||
| ()
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     val = rb_str_resurrect(str);
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c put
 | ||
|   @e put concatenate strings
 | ||
|   @j スタックトップの文字列を n 個連結し,結果をスタックにプッシュする。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| concatstrings
 | ||
| (rb_num_t num)
 | ||
| (...)
 | ||
| (VALUE val) // inc += 1 - num;
 | ||
| {
 | ||
|     val = rb_str_concat_literals(num, &TOPN(num-1));
 | ||
|     POPN(num);
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c put
 | ||
|   @e push the result of to_str.
 | ||
|   @j to_str の結果をスタックにプッシュする。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| tostring
 | ||
| ()
 | ||
| (VALUE val)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     val = rb_obj_as_string(val);
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c put
 | ||
|   @e Freeze (dynamically) created strings. if debug_info is given, set it.
 | ||
|   @j (埋め込み)文字列を freeze する。もし、debug_info が与えられていれば、それを設定する。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| freezestring
 | ||
| (VALUE debug_info)
 | ||
| (VALUE str)
 | ||
| (VALUE str)
 | ||
| {
 | ||
|     if (!NIL_P(debug_info)) {
 | ||
| 	rb_ivar_set(str, id_debug_created_info, debug_info);
 | ||
|     }
 | ||
|     rb_str_freeze(str);
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c put
 | ||
|   @e compile str to Regexp and push it.
 | ||
|      opt is the option for the Regexp.
 | ||
|   @j 文字列 str を正規表現にコンパイルしてスタックにプッシュする。
 | ||
|      コンパイル時,opt を正規表現のオプションとする。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| toregexp
 | ||
| (rb_num_t opt, rb_num_t cnt)
 | ||
| (...)
 | ||
| (VALUE val) // inc += 1 - cnt;
 | ||
| {
 | ||
|     VALUE rb_reg_new_ary(VALUE ary, int options);
 | ||
|     rb_num_t i;
 | ||
|     const VALUE ary = rb_ary_tmp_new(cnt);
 | ||
|     for (i = 0; i < cnt; i++) {
 | ||
| 	rb_ary_store(ary, cnt-i-1, TOPN(i));
 | ||
|     }
 | ||
|     POPN(cnt);
 | ||
|     val = rb_reg_new_ary(ary, (int)opt);
 | ||
|     rb_ary_clear(ary);
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c put
 | ||
|   @e put new array initialized with num values on the stack.
 | ||
|   @j 新しい配列をスタック上の num 個の値で初期化して生成しプッシュする。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| newarray
 | ||
| (rb_num_t num)
 | ||
| (...)
 | ||
| (VALUE val) // inc += 1 - num;
 | ||
| {
 | ||
|     val = rb_ary_new4((long)num, STACK_ADDR_FROM_TOP(num));
 | ||
|     POPN(num);
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c put
 | ||
|   @e dup array
 | ||
|   @j 配列 ary を dup してスタックにプッシュする。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| duparray
 | ||
| (VALUE ary)
 | ||
| ()
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     val = rb_ary_resurrect(ary);
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c put
 | ||
|   @e if TOS is an array expand, expand it to num objects.
 | ||
|      if the number of the array is less than num, push nils to fill.
 | ||
|      if it is greater than num, exceeding elements are dropped.
 | ||
|      unless TOS is an array, push num - 1 nils.
 | ||
|      if flags is non-zero, push the array of the rest elements.
 | ||
|      flag: 0x01 - rest args array
 | ||
|      flag: 0x02 - for postarg
 | ||
|      flag: 0x04 - reverse?
 | ||
|   @j スタックトップのオブジェクトが配列であれば、それを展開する。
 | ||
|      配列オブジェクトの要素数が num以下ならば、代わりに nil を積む。num以上なら、
 | ||
|      num以上の要素は切り捨てる。
 | ||
|      配列オブジェクトでなければ、num - 1 個の nil を積む。
 | ||
|      もし flag が真なら、残り要素の配列を積む
 | ||
|      flag: 0x01 - 最後を配列に
 | ||
|      flag: 0x02 - postarg 用
 | ||
|      flag: 0x04 - reverse?
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| expandarray
 | ||
| (rb_num_t num, rb_num_t flag)
 | ||
| (..., VALUE ary)
 | ||
| (...) // inc += num - 1 + (flag & 1 ? 1 : 0);
 | ||
| {
 | ||
|     vm_expandarray(GET_CFP(), ary, num, (int)flag);
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c put
 | ||
|   @e concat two arrays
 | ||
|   @j 二つの配列 ary1, ary2 を連結しスタックへプッシュする。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| concatarray
 | ||
| ()
 | ||
| (VALUE ary1, VALUE ary2st)
 | ||
| (VALUE ary)
 | ||
| {
 | ||
|     const VALUE ary2 = ary2st;
 | ||
|     VALUE tmp1 = rb_check_convert_type(ary1, T_ARRAY, "Array", "to_a");
 | ||
|     VALUE tmp2 = rb_check_convert_type(ary2, T_ARRAY, "Array", "to_a");
 | ||
| 
 | ||
|     if (NIL_P(tmp1)) {
 | ||
| 	tmp1 = rb_ary_new3(1, ary1);
 | ||
|     }
 | ||
| 
 | ||
|     if (NIL_P(tmp2)) {
 | ||
| 	tmp2 = rb_ary_new3(1, ary2);
 | ||
|     }
 | ||
| 
 | ||
|     if (tmp1 == ary1) {
 | ||
| 	tmp1 = rb_ary_dup(ary1);
 | ||
|     }
 | ||
|     ary = rb_ary_concat(tmp1, tmp2);
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c put
 | ||
|   @e call to_a on array ary to splat
 | ||
|   @j splat のために配列 ary に対して to_a を呼び出す。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| splatarray
 | ||
| (VALUE flag)
 | ||
| (VALUE ary)
 | ||
| (VALUE obj)
 | ||
| {
 | ||
|     VALUE tmp = rb_check_convert_type(ary, T_ARRAY, "Array", "to_a");
 | ||
|     if (NIL_P(tmp)) {
 | ||
| 	tmp = rb_ary_new3(1, ary);
 | ||
|     }
 | ||
|     else if (RTEST(flag)) {
 | ||
| 	tmp = rb_ary_dup(tmp);
 | ||
|     }
 | ||
|     obj = tmp;
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c put
 | ||
|   @e put new Hash from n elements. n must be an even number.
 | ||
|   @j 新しいハッシュをスタックトップの n 個を初期値として生成する。
 | ||
|      n はキーと値のペアなので 2 の倍数でなければならない。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| newhash
 | ||
| (rb_num_t num)
 | ||
| (...)
 | ||
| (VALUE val) // inc += 1 - num;
 | ||
| {
 | ||
|     rb_num_t i;
 | ||
| 
 | ||
|     RUBY_DTRACE_CREATE_HOOK(HASH, num);
 | ||
| 
 | ||
|     val = rb_hash_new();
 | ||
| 
 | ||
|     for (i = num; i > 0; i -= 2) {
 | ||
| 	const VALUE v = TOPN(i - 2);
 | ||
| 	const VALUE k = TOPN(i - 1);
 | ||
| 	rb_hash_aset(val, k, v);
 | ||
|     }
 | ||
|     POPN(num);
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c put
 | ||
|   @e put new Range object.(Range.new(low, high, flag))
 | ||
|   @j Range.new(low, high, flag) のようなオブジェクトを生成しスタックにプッシュする。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| newrange
 | ||
| (rb_num_t flag)
 | ||
| (VALUE low, VALUE high)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     val = rb_range_new(low, high, (int)flag);
 | ||
| }
 | ||
| 
 | ||
| /**********************************************************/
 | ||
| /* deal with stack operation                              */
 | ||
| /**********************************************************/
 | ||
| 
 | ||
| /**
 | ||
|   @c stack
 | ||
|   @e pop from stack.
 | ||
|   @j スタックから一つポップする。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| pop
 | ||
| ()
 | ||
| (VALUE val)
 | ||
| ()
 | ||
| {
 | ||
|     (void)val;
 | ||
|     /* none */
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c stack
 | ||
|   @e duplicate stack top.
 | ||
|   @j スタックトップをコピーしてスタックにプッシュする。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| dup
 | ||
| ()
 | ||
| (VALUE val)
 | ||
| (VALUE val1, VALUE val2)
 | ||
| {
 | ||
|     val1 = val2 = val;
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c stack
 | ||
|   @e duplicate stack top n elements
 | ||
|   @j スタックトップの n 個をコピーしてスタックにプッシュする。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| dupn
 | ||
| (rb_num_t n)
 | ||
| (...)
 | ||
| (...) // inc += n;
 | ||
| {
 | ||
|     rb_num_t i;
 | ||
|     VALUE *sp = STACK_ADDR_FROM_TOP(n);
 | ||
|     for (i = 0; i < n; i++) {
 | ||
| 	GET_SP()[i] = sp[i];
 | ||
|     }
 | ||
|     INC_SP(n);
 | ||
| }
 | ||
| 
 | ||
| 
 | ||
| /**
 | ||
|   @c stack
 | ||
|   @e swap top 2 vals
 | ||
|   @j スタックトップの 2 つの値を交換する。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| swap
 | ||
| ()
 | ||
| (VALUE val, VALUE obj)
 | ||
| (VALUE obj, VALUE val)
 | ||
| {
 | ||
|     /* none */
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c stack
 | ||
|   @e reverse stack top N order.
 | ||
|   @j スタックトップの n 個の値を逆転する。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| reverse
 | ||
| (rb_num_t n)
 | ||
| (...)
 | ||
| (...) // inc += 0;
 | ||
| {
 | ||
|     rb_num_t i;
 | ||
|     VALUE *sp = STACK_ADDR_FROM_TOP(n);
 | ||
| 
 | ||
|     for (i=0; i<n/2; i++) {
 | ||
| 	VALUE v0 = sp[i];
 | ||
| 	VALUE v1 = TOPN(i);
 | ||
| 	sp[i] = v1;
 | ||
| 	TOPN(i) = v0;
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c stack
 | ||
|   @e for stack caching.
 | ||
|   @j スタックキャッシングの状態を調整するために必要な命令。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| reput
 | ||
| ()
 | ||
| (..., VALUE val)
 | ||
| (VALUE val) // inc += 0;
 | ||
| {
 | ||
|     /* none */
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c stack
 | ||
|   @e get nth stack value from stack top
 | ||
|   @j スタックトップから n 個目をスタックにプッシュする。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| topn
 | ||
| (rb_num_t n)
 | ||
| (...)
 | ||
| (VALUE val) // inc += 1;
 | ||
| {
 | ||
|     val = TOPN(n);
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c stack
 | ||
|   @e set Nth stack entry to stack top
 | ||
|   @j スタックトップの値を n 個目のスタックにコピー
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| setn
 | ||
| (rb_num_t n)
 | ||
| (..., VALUE val)
 | ||
| (VALUE val) // inc += 0
 | ||
| {
 | ||
|     TOPN(n-1) = val;
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c stack
 | ||
|   @e empty current stack
 | ||
|   @j current stack を空にする。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| adjuststack
 | ||
| (rb_num_t n)
 | ||
| (...)
 | ||
| (...) // inc -= n
 | ||
| {
 | ||
|     DEC_SP(n);
 | ||
| }
 | ||
| 
 | ||
| 
 | ||
| /**********************************************************/
 | ||
| /* deal with setting                                      */
 | ||
| /**********************************************************/
 | ||
| 
 | ||
| /**
 | ||
|   @c setting
 | ||
|   @e defined?
 | ||
|   @j defined? を行う。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| defined
 | ||
| (rb_num_t op_type, VALUE obj, VALUE needstr)
 | ||
| (VALUE v)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     val = vm_defined(th, GET_CFP(), op_type, obj, needstr, v);
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c setting
 | ||
|   @e check `target' matches `pattern'.
 | ||
|      `flag & VM_CHECKMATCH_TYPE_MASK' describe how to check pattern.
 | ||
|       VM_CHECKMATCH_TYPE_WHEN: ignore target and check pattern is truthy.
 | ||
|       VM_CHECKMATCH_TYPE_CASE: check `patten === target'.
 | ||
|       VM_CHECKMATCH_TYPE_RESCUE: check `pattern.kind_op?(Module) && pattern == target'.
 | ||
|      if `flag & VM_CHECKMATCH_ARRAY' is not 0, then `patten' is array of patterns.
 | ||
|   @j see above comments.
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| checkmatch
 | ||
| (rb_num_t flag)
 | ||
| (VALUE target, VALUE pattern)
 | ||
| (VALUE result)
 | ||
| {
 | ||
|     enum vm_check_match_type checkmatch_type =
 | ||
|       (enum vm_check_match_type)(flag & VM_CHECKMATCH_TYPE_MASK);
 | ||
|     result = Qfalse;
 | ||
| 
 | ||
|     if (flag & VM_CHECKMATCH_ARRAY) {
 | ||
| 	long i;
 | ||
| 	for (i = 0; i < RARRAY_LEN(pattern); i++) {
 | ||
| 	    if (RTEST(check_match(RARRAY_AREF(pattern, i), target, checkmatch_type))) {
 | ||
| 		result = Qtrue;
 | ||
| 		break;
 | ||
| 	    }
 | ||
| 	}
 | ||
|     }
 | ||
|     else {
 | ||
| 	if (RTEST(check_match(pattern, target, checkmatch_type))) {
 | ||
| 	    result = Qtrue;
 | ||
| 	}
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c setting
 | ||
|   @e check keywords are specified or not.
 | ||
|   @j キーワードが指定されているかどうかチェックする
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| checkkeyword
 | ||
| (lindex_t kw_bits_index, rb_num_t keyword_index)
 | ||
| ()
 | ||
| (VALUE ret)
 | ||
| {
 | ||
|     const VALUE *ep = GET_EP();
 | ||
|     const VALUE kw_bits = *(ep - kw_bits_index);
 | ||
| 
 | ||
|     if (FIXNUM_P(kw_bits)) {
 | ||
| 	int bits = FIX2INT(kw_bits);
 | ||
| 	ret = (bits & (0x01 << keyword_index)) ? Qfalse : Qtrue;
 | ||
|     }
 | ||
|     else {
 | ||
| 	VM_ASSERT(RB_TYPE_P(kw_bits, T_HASH));
 | ||
| 	ret = rb_hash_has_key(kw_bits, INT2FIX(keyword_index)) ? Qfalse : Qtrue;
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c setting
 | ||
|   @e trace
 | ||
|   @j trace 用の命令。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| trace
 | ||
| (rb_num_t nf)
 | ||
| ()
 | ||
| ()
 | ||
| {
 | ||
|     rb_event_flag_t flag = (rb_event_flag_t)nf;
 | ||
| 
 | ||
|     if (RUBY_DTRACE_METHOD_ENTRY_ENABLED() ||
 | ||
| 	RUBY_DTRACE_METHOD_RETURN_ENABLED() ||
 | ||
| 	RUBY_DTRACE_CMETHOD_ENTRY_ENABLED() ||
 | ||
| 	RUBY_DTRACE_CMETHOD_RETURN_ENABLED()) {
 | ||
| 
 | ||
| 	switch (flag) {
 | ||
| 	  case RUBY_EVENT_CALL:
 | ||
| 	    RUBY_DTRACE_METHOD_ENTRY_HOOK(th, 0, 0);
 | ||
| 	    break;
 | ||
| 	  case RUBY_EVENT_C_CALL:
 | ||
| 	    RUBY_DTRACE_CMETHOD_ENTRY_HOOK(th, 0, 0);
 | ||
| 	    break;
 | ||
| 	  case RUBY_EVENT_RETURN:
 | ||
| 	    RUBY_DTRACE_METHOD_RETURN_HOOK(th, 0, 0);
 | ||
| 	    break;
 | ||
| 	  case RUBY_EVENT_C_RETURN:
 | ||
| 	    RUBY_DTRACE_CMETHOD_RETURN_HOOK(th, 0, 0);
 | ||
| 	    break;
 | ||
| 	}
 | ||
|     }
 | ||
| 
 | ||
|     EXEC_EVENT_HOOK(th, flag, GET_SELF(), 0, 0, 0 /* id and klass are resolved at callee */,
 | ||
| 		    (flag & (RUBY_EVENT_RETURN | RUBY_EVENT_B_RETURN)) ? TOPN(0) : Qundef);
 | ||
| }
 | ||
| 
 | ||
| /**********************************************************/
 | ||
| /* deal with control flow 1: class/module                 */
 | ||
| /**********************************************************/
 | ||
| 
 | ||
| /**
 | ||
|   @c class/module
 | ||
|   @e
 | ||
|    enter class definition scope. if super is Qfalse, and class
 | ||
|    "klass" is defined, it's redefine. otherwise, define "klass" class.
 | ||
|   @j クラス定義スコープへ移行する。
 | ||
|    もし super が Qfalse で klassクラスが定義されていれば再定義である。
 | ||
|    そうでなければ、klass クラスを定義する。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| defineclass
 | ||
| (ID id, ISEQ class_iseq, rb_num_t flags)
 | ||
| (VALUE cbase, VALUE super)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     VALUE klass;
 | ||
|     rb_vm_defineclass_type_t type = VM_DEFINECLASS_TYPE(flags);
 | ||
| 
 | ||
|     switch (type) {
 | ||
|       case VM_DEFINECLASS_TYPE_CLASS:
 | ||
| 	/* val is dummy.  classdef returns class scope value */
 | ||
| 
 | ||
| 	if (VM_DEFINECLASS_HAS_SUPERCLASS_P(flags) &&
 | ||
| 	    !RB_TYPE_P(super, T_CLASS)) {
 | ||
| 	    rb_raise(rb_eTypeError, "superclass must be a Class (%"PRIsVALUE" given)",
 | ||
| 		     rb_obj_class(super));
 | ||
| 	}
 | ||
| 
 | ||
| 	vm_check_if_namespace(cbase);
 | ||
| 
 | ||
| 	/* find klass */
 | ||
| 	rb_autoload_load(cbase, id);
 | ||
| 	if ((klass = vm_search_const_defined_class(cbase, id)) != 0) {
 | ||
| 	    /* already exist */
 | ||
| 	    klass = VM_DEFINECLASS_SCOPED_P(flags) ?
 | ||
| 		rb_public_const_get_at(klass, id) : rb_const_get_at(klass, id);
 | ||
| 	    if (!RB_TYPE_P(klass, T_CLASS)) {
 | ||
| 		rb_raise(rb_eTypeError, "%"PRIsVALUE" is not a class", rb_id2str(id));
 | ||
| 	    }
 | ||
| 
 | ||
| 	    if (VM_DEFINECLASS_HAS_SUPERCLASS_P(flags)) {
 | ||
| 		VALUE tmp;
 | ||
| 		tmp = rb_class_real(RCLASS_SUPER(klass));
 | ||
| 
 | ||
| 		if (tmp != super) {
 | ||
| 		    rb_raise(rb_eTypeError, "superclass mismatch for class %"PRIsVALUE"",
 | ||
| 			     rb_id2str(id));
 | ||
| 		}
 | ||
| 	    }
 | ||
| 	}
 | ||
| 	else {
 | ||
| 	    if (!VM_DEFINECLASS_HAS_SUPERCLASS_P(flags)) {
 | ||
| 		super = rb_cObject;
 | ||
| 	    }
 | ||
| 	    /* new class declaration */
 | ||
| 	    klass = rb_define_class_id(id, super);
 | ||
| 	    rb_set_class_path_string(klass, cbase, rb_id2str(id));
 | ||
| 	    rb_const_set(cbase, id, klass);
 | ||
| 	    rb_class_inherited(super, klass);
 | ||
| 	}
 | ||
| 	break;
 | ||
|       case VM_DEFINECLASS_TYPE_SINGLETON_CLASS:
 | ||
| 	/* val is dummy.  classdef returns class scope value */
 | ||
| 	/* super is dummy */
 | ||
| 	klass = rb_singleton_class(cbase);
 | ||
| 	break;
 | ||
|       case VM_DEFINECLASS_TYPE_MODULE:
 | ||
| 	/* val is dummy.  classdef returns class scope value */
 | ||
| 	/* super is dummy */
 | ||
| 
 | ||
| 	vm_check_if_namespace(cbase);
 | ||
| 
 | ||
| 	/* find klass */
 | ||
| 	if ((klass = vm_search_const_defined_class(cbase, id)) != 0) {
 | ||
| 	    klass = VM_DEFINECLASS_SCOPED_P(flags) ?
 | ||
| 		rb_public_const_get_at(klass, id) : rb_const_get_at(klass, id);
 | ||
| 	    /* already exist */
 | ||
| 	    if (!RB_TYPE_P(klass, T_MODULE)) {
 | ||
| 		rb_raise(rb_eTypeError, "%"PRIsVALUE" is not a module", rb_id2str(id));
 | ||
| 	    }
 | ||
| 	}
 | ||
| 	else {
 | ||
| 	    /* new module declaration */
 | ||
| 	    klass = rb_define_module_id(id);
 | ||
| 	    rb_set_class_path_string(klass, cbase, rb_id2str(id));
 | ||
| 	    rb_const_set(cbase, id, klass);
 | ||
| 	}
 | ||
| 	break;
 | ||
|       default:
 | ||
| 	rb_bug("unknown defineclass type: %d", (int)type);
 | ||
|     }
 | ||
| 
 | ||
|     rb_iseq_check(class_iseq);
 | ||
| 
 | ||
|     /* enter scope */
 | ||
|     vm_push_frame(th, class_iseq, VM_FRAME_MAGIC_CLASS | VM_ENV_FLAG_LOCAL, klass,
 | ||
| 		  GET_BLOCK_HANDLER(),
 | ||
| 		  (VALUE)vm_cref_push(th, klass, NULL, FALSE),
 | ||
| 		  class_iseq->body->iseq_encoded, GET_SP(),
 | ||
| 		  class_iseq->body->local_table_size,
 | ||
| 		  class_iseq->body->stack_max);
 | ||
|     RESTORE_REGS();
 | ||
|     NEXT_INSN();
 | ||
| }
 | ||
| 
 | ||
| 
 | ||
| /**********************************************************/
 | ||
| /* deal with control flow 2: method/iterator              */
 | ||
| /**********************************************************/
 | ||
| 
 | ||
| /**
 | ||
|   @c method/iterator
 | ||
|   @e invoke method.
 | ||
|   @j メソッド呼び出しを行う。ci に必要な情報が格納されている。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| send
 | ||
| (CALL_INFO ci, CALL_CACHE cc, ISEQ blockiseq)
 | ||
| (...)
 | ||
| (VALUE val) // inc += - (int)(ci->orig_argc + ((ci->flag & VM_CALL_ARGS_BLOCKARG) ? 1 : 0));
 | ||
| {
 | ||
|     struct rb_calling_info calling;
 | ||
| 
 | ||
|     vm_caller_setup_arg_block(th, reg_cfp, &calling, ci, blockiseq, FALSE);
 | ||
|     vm_search_method(ci, cc, calling.recv = TOPN(calling.argc = ci->orig_argc));
 | ||
|     CALL_METHOD(&calling, ci, cc);
 | ||
| }
 | ||
| 
 | ||
| DEFINE_INSN
 | ||
| opt_str_freeze
 | ||
| (VALUE str)
 | ||
| ()
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     if (BASIC_OP_UNREDEFINED_P(BOP_FREEZE, STRING_REDEFINED_OP_FLAG)) {
 | ||
| 	val = str;
 | ||
|     }
 | ||
|     else {
 | ||
| 	val = rb_funcall(rb_str_resurrect(str), idFreeze, 0);
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| DEFINE_INSN
 | ||
| opt_newarray_max
 | ||
| (rb_num_t num)
 | ||
| (...)
 | ||
| (VALUE val) // inc += 1 - num;
 | ||
| {
 | ||
| #define id_cmp  idCmp
 | ||
|     if (BASIC_OP_UNREDEFINED_P(BOP_MAX, ARRAY_REDEFINED_OP_FLAG)) {
 | ||
| 	if (num == 0) {
 | ||
| 	    val = Qnil;
 | ||
| 	}
 | ||
| 	else {
 | ||
| 	    struct cmp_opt_data cmp_opt = { 0, 0 };
 | ||
| 	    VALUE result = Qundef;
 | ||
| 	    rb_num_t i = num - 1;
 | ||
| 	    result = TOPN(i);
 | ||
| 	    while (i-- > 0) {
 | ||
| 		const VALUE v = TOPN(i);
 | ||
| 		if (result == Qundef || OPTIMIZED_CMP(v, result, cmp_opt) > 0) {
 | ||
| 		    result = v;
 | ||
| 		}
 | ||
| 	    }
 | ||
| 	    val = result == Qundef ? Qnil : result;
 | ||
| 	}
 | ||
| 	POPN(num);
 | ||
|     }
 | ||
|     else {
 | ||
| 	VALUE ary = rb_ary_new4((long)num, STACK_ADDR_FROM_TOP(num));
 | ||
| 	val = rb_funcall(ary, idMax, 0);
 | ||
| 	POPN(num);
 | ||
|     }
 | ||
| #undef id_cmp
 | ||
| }
 | ||
| 
 | ||
| DEFINE_INSN
 | ||
| opt_newarray_min
 | ||
| (rb_num_t num)
 | ||
| (...)
 | ||
| (VALUE val) // inc += 1 - num;
 | ||
| {
 | ||
| #define id_cmp  idCmp
 | ||
|     if (BASIC_OP_UNREDEFINED_P(BOP_MIN, ARRAY_REDEFINED_OP_FLAG)) {
 | ||
| 	if (num == 0) {
 | ||
| 	    val = Qnil;
 | ||
| 	}
 | ||
| 	else {
 | ||
| 	    struct cmp_opt_data cmp_opt = { 0, 0 };
 | ||
| 	    VALUE result = Qundef;
 | ||
| 	    rb_num_t i = num - 1;
 | ||
| 	    result = TOPN(i);
 | ||
| 	    while (i-- > 0) {
 | ||
| 		const VALUE v = TOPN(i);
 | ||
| 		if (result == Qundef || OPTIMIZED_CMP(v, result, cmp_opt) < 0) {
 | ||
| 		    result = v;
 | ||
| 		}
 | ||
| 	    }
 | ||
| 	    val = result == Qundef ? Qnil : result;
 | ||
| 	}
 | ||
| 	POPN(num);
 | ||
|     }
 | ||
|     else {
 | ||
| 	VALUE ary = rb_ary_new4((long)num, STACK_ADDR_FROM_TOP(num));
 | ||
| 	val = rb_funcall(ary, idMin, 0);
 | ||
| 	POPN(num);
 | ||
|     }
 | ||
| #undef id_cmp
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e Invoke method without block
 | ||
|   @j Invoke method without block
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| opt_send_without_block
 | ||
| (CALL_INFO ci, CALL_CACHE cc)
 | ||
| (...)
 | ||
| (VALUE val) // inc += -ci->orig_argc;
 | ||
| {
 | ||
|     struct rb_calling_info calling;
 | ||
|     calling.block_handler = VM_BLOCK_HANDLER_NONE;
 | ||
|     vm_search_method(ci, cc, calling.recv = TOPN(calling.argc = ci->orig_argc));
 | ||
|     CALL_METHOD(&calling, ci, cc);
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c method/iterator
 | ||
|   @e super(args) # args.size => num
 | ||
|   @j super を実行する。ci に必要な情報が格納されている。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| invokesuper
 | ||
| (CALL_INFO ci, CALL_CACHE cc, ISEQ blockiseq)
 | ||
| (...)
 | ||
| (VALUE val) // inc += - (int)(ci->orig_argc + ((ci->flag & VM_CALL_ARGS_BLOCKARG) ? 1 : 0));
 | ||
| {
 | ||
|     struct rb_calling_info calling;
 | ||
|     calling.argc = ci->orig_argc;
 | ||
| 
 | ||
|     vm_caller_setup_arg_block(th, reg_cfp, &calling, ci, blockiseq, TRUE);
 | ||
|     calling.recv = GET_SELF();
 | ||
|     vm_search_super_method(th, GET_CFP(), &calling, ci, cc);
 | ||
|     CALL_METHOD(&calling, ci, cc);
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c method/iterator
 | ||
|   @e yield(args)
 | ||
|   @j yield を実行する。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| invokeblock
 | ||
| (CALL_INFO ci)
 | ||
| (...)
 | ||
| (VALUE val)  // inc += 1 - ci->orig_argc;
 | ||
| {
 | ||
|     struct rb_calling_info calling;
 | ||
|     calling.argc = ci->orig_argc;
 | ||
|     calling.block_handler = VM_BLOCK_HANDLER_NONE;
 | ||
|     calling.recv = GET_SELF();
 | ||
| 
 | ||
|     val = vm_invoke_block(th, GET_CFP(), &calling, ci);
 | ||
|     if (val == Qundef) {
 | ||
| 	RESTORE_REGS();
 | ||
| 	NEXT_INSN();
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c method/iterator
 | ||
|   @e return from this scope.
 | ||
|   @j このスコープから抜ける。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| leave
 | ||
| ()
 | ||
| (VALUE val)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     if (OPT_CHECKED_RUN) {
 | ||
| 	const VALUE *const bp = vm_base_ptr(reg_cfp);
 | ||
| 	if (reg_cfp->sp != bp) {
 | ||
| 	    rb_bug("Stack consistency error (sp: %"PRIdPTRDIFF", bp: %"PRIdPTRDIFF")",
 | ||
| 		   VM_SP_CNT(th, reg_cfp->sp), VM_SP_CNT(th, bp));
 | ||
| 	}
 | ||
|     }
 | ||
| 
 | ||
|     RUBY_VM_CHECK_INTS(th);
 | ||
| 
 | ||
|     if (vm_pop_frame(th, GET_CFP(), GET_EP())) {
 | ||
| #if OPT_CALL_THREADED_CODE
 | ||
| 	th->retval = val;
 | ||
| 	return 0;
 | ||
| #else
 | ||
| 	return val;
 | ||
| #endif
 | ||
|     }
 | ||
|     else {
 | ||
| 	RESTORE_REGS();
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**********************************************************/
 | ||
| /* deal with control flow 3: exception                    */
 | ||
| /**********************************************************/
 | ||
| 
 | ||
| /**
 | ||
|   @c exception
 | ||
|   @e longjump
 | ||
|   @j 大域ジャンプを行う。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| throw
 | ||
| (rb_num_t throw_state)
 | ||
| (VALUE throwobj)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     RUBY_VM_CHECK_INTS(th);
 | ||
|     val = vm_throw(th, GET_CFP(), throw_state, throwobj);
 | ||
|     THROW_EXCEPTION(val);
 | ||
|     /* unreachable */
 | ||
| }
 | ||
| 
 | ||
| /**********************************************************/
 | ||
| /* deal with control flow 4: local jump                   */
 | ||
| /**********************************************************/
 | ||
| 
 | ||
| /**
 | ||
|   @c jump
 | ||
|   @e set PC to (PC + dst).
 | ||
|   @j PC を (PC + dst) にする。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| jump
 | ||
| (OFFSET dst)
 | ||
| ()
 | ||
| ()
 | ||
| {
 | ||
|     RUBY_VM_CHECK_INTS(th);
 | ||
|     JUMP(dst);
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c jump
 | ||
|   @e if val is not false or nil, set PC to (PC + dst).
 | ||
|   @j もし val が false か nil でなければ、PC を (PC + dst) にする。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| branchif
 | ||
| (OFFSET dst)
 | ||
| (VALUE val)
 | ||
| ()
 | ||
| {
 | ||
|     if (RTEST(val)) {
 | ||
| 	RUBY_VM_CHECK_INTS(th);
 | ||
| 	JUMP(dst);
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c jump
 | ||
|   @e if val is false or nil, set PC to (PC + dst).
 | ||
|   @j もし val が false か nil ならば、PC を (PC + dst) にする。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| branchunless
 | ||
| (OFFSET dst)
 | ||
| (VALUE val)
 | ||
| ()
 | ||
| {
 | ||
|     if (!RTEST(val)) {
 | ||
| 	RUBY_VM_CHECK_INTS(th);
 | ||
| 	JUMP(dst);
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c jump
 | ||
|   @e if val is nil, set PC to (PC + dst).
 | ||
|   @j もし val が nil ならば、PC を (PC + dst) にする。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| branchnil
 | ||
| (OFFSET dst)
 | ||
| (VALUE val)
 | ||
| ()
 | ||
| {
 | ||
|     if (NIL_P(val)) {
 | ||
| 	RUBY_VM_CHECK_INTS(th);
 | ||
| 	JUMP(dst);
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| 
 | ||
| /**********************************************************/
 | ||
| /* for optimize                                           */
 | ||
| /**********************************************************/
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e push inline-cached value and go to dst if it is valid
 | ||
|   @j インラインキャッシュが有効なら、値をスタックにプッシュして dst へジャンプする。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| getinlinecache
 | ||
| (OFFSET dst, IC ic)
 | ||
| ()
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     if (ic->ic_serial == GET_GLOBAL_CONSTANT_STATE() &&
 | ||
| 	(ic->ic_cref == NULL || ic->ic_cref == rb_vm_get_cref(GET_EP()))) {
 | ||
| 	val = ic->ic_value.value;
 | ||
| 	JUMP(dst);
 | ||
|     }
 | ||
|     else {
 | ||
| 	/* none */
 | ||
| 	val = Qnil;
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e set inline cache
 | ||
|   @j インラインキャッシュの値を設定する。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| setinlinecache
 | ||
| (IC ic)
 | ||
| (VALUE val)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     VM_ASSERT(ic->ic_value.value != Qundef);
 | ||
|     ic->ic_value.value = val;
 | ||
|     ic->ic_serial = GET_GLOBAL_CONSTANT_STATE() - ruby_vm_const_missing_count;
 | ||
|     ic->ic_cref = vm_get_const_key_cref(GET_EP());
 | ||
|     ruby_vm_const_missing_count = 0;
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e run iseq only once
 | ||
|   @j once を実現する。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| once
 | ||
| (ISEQ iseq, IC ic)
 | ||
| ()
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     union iseq_inline_storage_entry *is = (union iseq_inline_storage_entry *)ic;
 | ||
| 
 | ||
| #define RUNNING_THREAD_ONCE_DONE ((rb_thread_t *)(0x1))
 | ||
|   retry:
 | ||
|     if (is->once.running_thread == RUNNING_THREAD_ONCE_DONE) {
 | ||
| 	val = is->once.value;
 | ||
|     }
 | ||
|     else if (is->once.running_thread == NULL) {
 | ||
| 	is->once.running_thread = th;
 | ||
| 	val = is->once.value = rb_ensure(vm_once_exec, (VALUE)iseq, vm_once_clear, (VALUE)is);
 | ||
| 	/* is->once.running_thread is cleared by vm_once_clear() */
 | ||
| 	is->once.running_thread = RUNNING_THREAD_ONCE_DONE; /* success */
 | ||
| 	rb_iseq_add_mark_object(GET_ISEQ(), val);
 | ||
|     }
 | ||
|     else if (is->once.running_thread == th) {
 | ||
| 	/* recursive once */
 | ||
| 	val = vm_once_exec((VALUE)iseq);
 | ||
|     }
 | ||
|     else {
 | ||
| 	/* waiting for finish */
 | ||
| 	RUBY_VM_CHECK_INTS(th);
 | ||
| 	rb_thread_schedule();
 | ||
| 	goto retry;
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e case dispatcher, jump by table if possible
 | ||
|   @j case 文で、可能なら表引きでジャンプする。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| opt_case_dispatch
 | ||
| (CDHASH hash, OFFSET else_offset)
 | ||
| (..., VALUE key)
 | ||
| () // inc += -1;
 | ||
| {
 | ||
|     switch (OBJ_BUILTIN_TYPE(key)) {
 | ||
|       case -1:
 | ||
|       case T_FLOAT:
 | ||
|       case T_SYMBOL:
 | ||
|       case T_BIGNUM:
 | ||
|       case T_STRING:
 | ||
| 	if (BASIC_OP_UNREDEFINED_P(BOP_EQQ,
 | ||
| 				   SYMBOL_REDEFINED_OP_FLAG |
 | ||
| 				   INTEGER_REDEFINED_OP_FLAG |
 | ||
| 				   FLOAT_REDEFINED_OP_FLAG |
 | ||
| 				   NIL_REDEFINED_OP_FLAG    |
 | ||
| 				   TRUE_REDEFINED_OP_FLAG   |
 | ||
| 				   FALSE_REDEFINED_OP_FLAG  |
 | ||
| 				   STRING_REDEFINED_OP_FLAG)) {
 | ||
| 	    st_data_t val;
 | ||
| 	    if (RB_FLOAT_TYPE_P(key)) {
 | ||
| 		double kval = RFLOAT_VALUE(key);
 | ||
| 		if (!isinf(kval) && modf(kval, &kval) == 0.0) {
 | ||
| 		    key = FIXABLE(kval) ? LONG2FIX((long)kval) : rb_dbl2big(kval);
 | ||
| 		}
 | ||
| 	    }
 | ||
| 	    if (st_lookup(RHASH_TBL_RAW(hash), key, &val)) {
 | ||
| 		JUMP(FIX2INT((VALUE)val));
 | ||
| 	    }
 | ||
| 	    else {
 | ||
| 		JUMP(else_offset);
 | ||
| 	    }
 | ||
| 	}
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /** simple functions */
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e optimized X+Y.
 | ||
|   @j 最適化された X+Y。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| opt_plus
 | ||
| (CALL_INFO ci, CALL_CACHE cc)
 | ||
| (VALUE recv, VALUE obj)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     if (FIXNUM_2_P(recv, obj) &&
 | ||
| 	BASIC_OP_UNREDEFINED_P(BOP_PLUS,INTEGER_REDEFINED_OP_FLAG)) {
 | ||
| 	/* fixnum + fixnum */
 | ||
| #ifndef LONG_LONG_VALUE
 | ||
| 	VALUE msb = (VALUE)1 << ((sizeof(VALUE) * CHAR_BIT) - 1);
 | ||
| 	val = recv - 1 + obj;
 | ||
| 	if ((~(recv ^ obj) & (recv ^ val)) & msb) {
 | ||
| 	    val = rb_int2big((SIGNED_VALUE)((val>>1) | (recv & msb)));
 | ||
| 	}
 | ||
| #else
 | ||
| 	val = LONG2NUM(FIX2LONG(recv) + FIX2LONG(obj));
 | ||
| #endif
 | ||
|     }
 | ||
|     else if (FLONUM_2_P(recv, obj) &&
 | ||
| 	     BASIC_OP_UNREDEFINED_P(BOP_PLUS, FLOAT_REDEFINED_OP_FLAG)) {
 | ||
| 	val = DBL2NUM(RFLOAT_VALUE(recv) + RFLOAT_VALUE(obj));
 | ||
|     }
 | ||
|     else if (!SPECIAL_CONST_P(recv) && !SPECIAL_CONST_P(obj)) {
 | ||
| 	if (RBASIC_CLASS(recv) == rb_cFloat && RBASIC_CLASS(obj) == rb_cFloat &&
 | ||
| 	    BASIC_OP_UNREDEFINED_P(BOP_PLUS, FLOAT_REDEFINED_OP_FLAG)) {
 | ||
| 	    val = DBL2NUM(RFLOAT_VALUE(recv) + RFLOAT_VALUE(obj));
 | ||
| 	}
 | ||
| 	else if (RBASIC_CLASS(recv) == rb_cString && RBASIC_CLASS(obj) == rb_cString &&
 | ||
| 		 BASIC_OP_UNREDEFINED_P(BOP_PLUS, STRING_REDEFINED_OP_FLAG)) {
 | ||
| 	    val = rb_str_plus(recv, obj);
 | ||
| 	}
 | ||
| 	else if (RBASIC_CLASS(recv) == rb_cArray &&
 | ||
| 		 BASIC_OP_UNREDEFINED_P(BOP_PLUS, ARRAY_REDEFINED_OP_FLAG)) {
 | ||
| 	    val = rb_ary_plus(recv, obj);
 | ||
| 	}
 | ||
| 	else {
 | ||
| 	    goto INSN_LABEL(normal_dispatch);
 | ||
| 	}
 | ||
|     }
 | ||
|     else {
 | ||
| 	INSN_LABEL(normal_dispatch):
 | ||
| 	PUSH(recv);
 | ||
| 	PUSH(obj);
 | ||
| 	CALL_SIMPLE_METHOD(recv);
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e optimized X-Y.
 | ||
|   @j 最適化された X-Y。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| opt_minus
 | ||
| (CALL_INFO ci, CALL_CACHE cc)
 | ||
| (VALUE recv, VALUE obj)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     if (FIXNUM_2_P(recv, obj) &&
 | ||
| 	BASIC_OP_UNREDEFINED_P(BOP_MINUS, INTEGER_REDEFINED_OP_FLAG)) {
 | ||
| 	long a, b, c;
 | ||
| 
 | ||
| 	a = FIX2LONG(recv);
 | ||
| 	b = FIX2LONG(obj);
 | ||
| 	c = a - b;
 | ||
| 	val = LONG2NUM(c);
 | ||
|     }
 | ||
|     else if (FLONUM_2_P(recv, obj) &&
 | ||
| 	     BASIC_OP_UNREDEFINED_P(BOP_MINUS, FLOAT_REDEFINED_OP_FLAG)) {
 | ||
| 	val = DBL2NUM(RFLOAT_VALUE(recv) - RFLOAT_VALUE(obj));
 | ||
|     }
 | ||
|     else if (!SPECIAL_CONST_P(recv) && !SPECIAL_CONST_P(obj)) {
 | ||
| 	if (RBASIC_CLASS(recv) == rb_cFloat && RBASIC_CLASS(obj) == rb_cFloat  &&
 | ||
| 	    BASIC_OP_UNREDEFINED_P(BOP_MINUS, FLOAT_REDEFINED_OP_FLAG)) {
 | ||
| 	    val = DBL2NUM(RFLOAT_VALUE(recv) - RFLOAT_VALUE(obj));
 | ||
| 	}
 | ||
| 	else {
 | ||
| 	    goto INSN_LABEL(normal_dispatch);
 | ||
| 	}
 | ||
|     }
 | ||
|     else {
 | ||
| 	/* other */
 | ||
|       INSN_LABEL(normal_dispatch):
 | ||
| 	PUSH(recv);
 | ||
| 	PUSH(obj);
 | ||
| 	CALL_SIMPLE_METHOD(recv);
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e optimized X*Y.
 | ||
|   @j 最適化された X*Y。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| opt_mult
 | ||
| (CALL_INFO ci, CALL_CACHE cc)
 | ||
| (VALUE recv, VALUE obj)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     if (FIXNUM_2_P(recv, obj) &&
 | ||
| 	BASIC_OP_UNREDEFINED_P(BOP_MULT, INTEGER_REDEFINED_OP_FLAG)) {
 | ||
| 	val = rb_fix_mul_fix(recv, obj);
 | ||
|     }
 | ||
|     else if (FLONUM_2_P(recv, obj) &&
 | ||
| 	     BASIC_OP_UNREDEFINED_P(BOP_MULT, FLOAT_REDEFINED_OP_FLAG)) {
 | ||
| 	val = DBL2NUM(RFLOAT_VALUE(recv) * RFLOAT_VALUE(obj));
 | ||
|     }
 | ||
|     else if (!SPECIAL_CONST_P(recv) && !SPECIAL_CONST_P(obj)) {
 | ||
| 	if (RBASIC_CLASS(recv) == rb_cFloat && RBASIC_CLASS(obj) == rb_cFloat  &&
 | ||
| 	    BASIC_OP_UNREDEFINED_P(BOP_MULT, FLOAT_REDEFINED_OP_FLAG)) {
 | ||
| 	    val = DBL2NUM(RFLOAT_VALUE(recv) * RFLOAT_VALUE(obj));
 | ||
| 	}
 | ||
| 	else {
 | ||
| 	    goto INSN_LABEL(normal_dispatch);
 | ||
| 	}
 | ||
|     }
 | ||
|     else {
 | ||
|       INSN_LABEL(normal_dispatch):
 | ||
| 	PUSH(recv);
 | ||
| 	PUSH(obj);
 | ||
| 	CALL_SIMPLE_METHOD(recv);
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e optimized X/Y.
 | ||
|   @j 最適化された X/Y。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| opt_div
 | ||
| (CALL_INFO ci, CALL_CACHE cc)
 | ||
| (VALUE recv, VALUE obj)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     if (FIXNUM_2_P(recv, obj) &&
 | ||
| 	BASIC_OP_UNREDEFINED_P(BOP_DIV, INTEGER_REDEFINED_OP_FLAG)) {
 | ||
| 	if (FIX2LONG(obj) == 0) goto INSN_LABEL(normal_dispatch);
 | ||
| 	val = rb_fix_div_fix(recv, obj);
 | ||
|     }
 | ||
|     else if (FLONUM_2_P(recv, obj) &&
 | ||
| 	     BASIC_OP_UNREDEFINED_P(BOP_DIV, FLOAT_REDEFINED_OP_FLAG)) {
 | ||
| 	val = DBL2NUM(RFLOAT_VALUE(recv) / RFLOAT_VALUE(obj));
 | ||
|     }
 | ||
|     else if (!SPECIAL_CONST_P(recv) && !SPECIAL_CONST_P(obj)) {
 | ||
| 	if (RBASIC_CLASS(recv) == rb_cFloat && RBASIC_CLASS(obj) == rb_cFloat  &&
 | ||
| 	    BASIC_OP_UNREDEFINED_P(BOP_DIV, FLOAT_REDEFINED_OP_FLAG)) {
 | ||
| 	    val = DBL2NUM(RFLOAT_VALUE(recv) / RFLOAT_VALUE(obj));
 | ||
| 	}
 | ||
| 	else {
 | ||
| 	    goto INSN_LABEL(normal_dispatch);
 | ||
| 	}
 | ||
|     }
 | ||
|     else {
 | ||
|       INSN_LABEL(normal_dispatch):
 | ||
| 	PUSH(recv);
 | ||
| 	PUSH(obj);
 | ||
| 	CALL_SIMPLE_METHOD(recv);
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e optimized X%Y.
 | ||
|   @j 最適化された X%Y。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| opt_mod
 | ||
| (CALL_INFO ci, CALL_CACHE cc)
 | ||
| (VALUE recv, VALUE obj)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     if (FIXNUM_2_P(recv, obj) &&
 | ||
| 	BASIC_OP_UNREDEFINED_P(BOP_MOD, INTEGER_REDEFINED_OP_FLAG )) {
 | ||
| 	if (FIX2LONG(obj) == 0) goto INSN_LABEL(normal_dispatch);
 | ||
| 	val = rb_fix_mod_fix(recv, obj);
 | ||
|     }
 | ||
|     else if (FLONUM_2_P(recv, obj) &&
 | ||
| 	     BASIC_OP_UNREDEFINED_P(BOP_MOD, FLOAT_REDEFINED_OP_FLAG)) {
 | ||
| 	val = DBL2NUM(ruby_float_mod(RFLOAT_VALUE(recv), RFLOAT_VALUE(obj)));
 | ||
|     }
 | ||
|     else if (!SPECIAL_CONST_P(recv) && !SPECIAL_CONST_P(obj)) {
 | ||
| 	if (RBASIC_CLASS(recv) == rb_cFloat && RBASIC_CLASS(obj) == rb_cFloat &&
 | ||
| 	    BASIC_OP_UNREDEFINED_P(BOP_MOD, FLOAT_REDEFINED_OP_FLAG)) {
 | ||
| 	    val = DBL2NUM(ruby_float_mod(RFLOAT_VALUE(recv), RFLOAT_VALUE(obj)));
 | ||
| 	}
 | ||
| 	else {
 | ||
| 	    goto INSN_LABEL(normal_dispatch);
 | ||
| 	}
 | ||
|     }
 | ||
|     else {
 | ||
|       INSN_LABEL(normal_dispatch):
 | ||
| 	PUSH(recv);
 | ||
| 	PUSH(obj);
 | ||
| 	CALL_SIMPLE_METHOD(recv);
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e optimized X==Y.
 | ||
|   @j 最適化された X==Y。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| opt_eq
 | ||
| (CALL_INFO ci, CALL_CACHE cc)
 | ||
| (VALUE recv, VALUE obj)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     val = opt_eq_func(recv, obj, ci, cc);
 | ||
| 
 | ||
|     if (val == Qundef) {
 | ||
| 	/* other */
 | ||
| 	PUSH(recv);
 | ||
| 	PUSH(obj);
 | ||
| 	CALL_SIMPLE_METHOD(recv);
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e optimized X!=Y.
 | ||
|   @j 最適化された X!=Y。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| opt_neq
 | ||
| (CALL_INFO ci, CALL_CACHE cc, CALL_INFO ci_eq, CALL_CACHE cc_eq)
 | ||
| (VALUE recv, VALUE obj)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     extern VALUE rb_obj_not_equal(VALUE obj1, VALUE obj2);
 | ||
|     vm_search_method(ci, cc, recv);
 | ||
| 
 | ||
|     val = Qundef;
 | ||
| 
 | ||
|     if (check_cfunc(cc->me, rb_obj_not_equal)) {
 | ||
| 	val = opt_eq_func(recv, obj, ci_eq, cc_eq);
 | ||
| 
 | ||
| 	if (val != Qundef) {
 | ||
| 	    val = RTEST(val) ? Qfalse : Qtrue;
 | ||
| 	}
 | ||
|     }
 | ||
| 
 | ||
|     if (val == Qundef) {
 | ||
| 	/* other */
 | ||
| 	PUSH(recv);
 | ||
| 	PUSH(obj);
 | ||
| 	CALL_SIMPLE_METHOD(recv);
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e optimized X<Y.
 | ||
|   @j 最適化された X<Y。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| opt_lt
 | ||
| (CALL_INFO ci, CALL_CACHE cc)
 | ||
| (VALUE recv, VALUE obj)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     if (FIXNUM_2_P(recv, obj) &&
 | ||
| 	BASIC_OP_UNREDEFINED_P(BOP_LT, INTEGER_REDEFINED_OP_FLAG)) {
 | ||
| 	SIGNED_VALUE a = recv, b = obj;
 | ||
| 
 | ||
| 	if (a < b) {
 | ||
| 	    val = Qtrue;
 | ||
| 	}
 | ||
| 	else {
 | ||
| 	    val = Qfalse;
 | ||
| 	}
 | ||
|     }
 | ||
|     else if (FLONUM_2_P(recv, obj) &&
 | ||
| 	     BASIC_OP_UNREDEFINED_P(BOP_LT, FLOAT_REDEFINED_OP_FLAG)) {
 | ||
| 	/* flonum is not NaN */
 | ||
| 	val = RFLOAT_VALUE(recv) < RFLOAT_VALUE(obj) ? Qtrue : Qfalse;
 | ||
|     }
 | ||
|     else if (!SPECIAL_CONST_P(recv) && !SPECIAL_CONST_P(obj)) {
 | ||
| 	if (RBASIC_CLASS(recv) == rb_cFloat && RBASIC_CLASS(obj) == rb_cFloat  &&
 | ||
| 	    BASIC_OP_UNREDEFINED_P(BOP_LT, FLOAT_REDEFINED_OP_FLAG)) {
 | ||
| 	    val = double_cmp_lt(RFLOAT_VALUE(recv), RFLOAT_VALUE(obj));
 | ||
| 	}
 | ||
| 	else {
 | ||
| 	    goto INSN_LABEL(normal_dispatch);
 | ||
| 	}
 | ||
|     }
 | ||
|     else {
 | ||
|       INSN_LABEL(normal_dispatch):
 | ||
| 	PUSH(recv);
 | ||
| 	PUSH(obj);
 | ||
| 	CALL_SIMPLE_METHOD(recv);
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e optimized X<=Y.
 | ||
|   @j 最適化された X<=Y。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| opt_le
 | ||
| (CALL_INFO ci, CALL_CACHE cc)
 | ||
| (VALUE recv, VALUE obj)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     if (FIXNUM_2_P(recv, obj) &&
 | ||
| 	BASIC_OP_UNREDEFINED_P(BOP_LE, INTEGER_REDEFINED_OP_FLAG)) {
 | ||
| 	SIGNED_VALUE a = recv, b = obj;
 | ||
| 
 | ||
| 	if (a <= b) {
 | ||
| 	    val = Qtrue;
 | ||
| 	}
 | ||
| 	else {
 | ||
| 	    val = Qfalse;
 | ||
| 	}
 | ||
|     }
 | ||
|     else if (FLONUM_2_P(recv, obj) &&
 | ||
| 	     BASIC_OP_UNREDEFINED_P(BOP_LE, FLOAT_REDEFINED_OP_FLAG)) {
 | ||
| 	/* flonum is not NaN */
 | ||
| 	val = RFLOAT_VALUE(recv) <= RFLOAT_VALUE(obj) ? Qtrue : Qfalse;
 | ||
|     }
 | ||
|     else {
 | ||
| 	/* other */
 | ||
| 	PUSH(recv);
 | ||
| 	PUSH(obj);
 | ||
| 	CALL_SIMPLE_METHOD(recv);
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e optimized X>Y.
 | ||
|   @j 最適化された X>Y。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| opt_gt
 | ||
| (CALL_INFO ci, CALL_CACHE cc)
 | ||
| (VALUE recv, VALUE obj)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     if (FIXNUM_2_P(recv, obj) &&
 | ||
| 	BASIC_OP_UNREDEFINED_P(BOP_GT, INTEGER_REDEFINED_OP_FLAG)) {
 | ||
| 	SIGNED_VALUE a = recv, b = obj;
 | ||
| 
 | ||
| 	if (a > b) {
 | ||
| 	    val = Qtrue;
 | ||
| 	}
 | ||
| 	else {
 | ||
| 	    val = Qfalse;
 | ||
| 	}
 | ||
|     }
 | ||
|     else if (FLONUM_2_P(recv, obj) &&
 | ||
| 	     BASIC_OP_UNREDEFINED_P(BOP_GT, FLOAT_REDEFINED_OP_FLAG)) {
 | ||
| 	/* flonum is not NaN */
 | ||
| 	val = RFLOAT_VALUE(recv) > RFLOAT_VALUE(obj) ? Qtrue : Qfalse;
 | ||
|     }
 | ||
|     else if (!SPECIAL_CONST_P(recv) && !SPECIAL_CONST_P(obj)) {
 | ||
| 	if (RBASIC_CLASS(recv) == rb_cFloat && RBASIC_CLASS(obj) == rb_cFloat  &&
 | ||
| 	    BASIC_OP_UNREDEFINED_P(BOP_GT, FLOAT_REDEFINED_OP_FLAG)) {
 | ||
| 	    val = double_cmp_gt(RFLOAT_VALUE(recv), RFLOAT_VALUE(obj));
 | ||
| 	}
 | ||
| 	else {
 | ||
| 	    goto INSN_LABEL(normal_dispatch);
 | ||
| 	}
 | ||
|     }
 | ||
|     else {
 | ||
|       INSN_LABEL(normal_dispatch):
 | ||
| 	PUSH(recv);
 | ||
| 	PUSH(obj);
 | ||
| 	CALL_SIMPLE_METHOD(recv);
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e optimized X>=Y.
 | ||
|   @j 最適化された X>=Y。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| opt_ge
 | ||
| (CALL_INFO ci, CALL_CACHE cc)
 | ||
| (VALUE recv, VALUE obj)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     if (FIXNUM_2_P(recv, obj) &&
 | ||
| 	BASIC_OP_UNREDEFINED_P(BOP_GE, INTEGER_REDEFINED_OP_FLAG)) {
 | ||
| 	SIGNED_VALUE a = recv, b = obj;
 | ||
| 
 | ||
| 	if (a >= b) {
 | ||
| 	    val = Qtrue;
 | ||
| 	}
 | ||
| 	else {
 | ||
| 	    val = Qfalse;
 | ||
| 	}
 | ||
|     }
 | ||
|     else if (FLONUM_2_P(recv, obj) &&
 | ||
| 	     BASIC_OP_UNREDEFINED_P(BOP_GE, FLOAT_REDEFINED_OP_FLAG)) {
 | ||
| 	/* flonum is not NaN */
 | ||
| 	val = RFLOAT_VALUE(recv) >= RFLOAT_VALUE(obj) ? Qtrue : Qfalse;
 | ||
|     }
 | ||
|     else {
 | ||
| 	PUSH(recv);
 | ||
| 	PUSH(obj);
 | ||
| 	CALL_SIMPLE_METHOD(recv);
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e <<
 | ||
|   @j 最適化された X<<Y。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| opt_ltlt
 | ||
| (CALL_INFO ci, CALL_CACHE cc)
 | ||
| (VALUE recv, VALUE obj)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     if (!SPECIAL_CONST_P(recv)) {
 | ||
| 	if (RBASIC_CLASS(recv) == rb_cString &&
 | ||
| 	    BASIC_OP_UNREDEFINED_P(BOP_LTLT, STRING_REDEFINED_OP_FLAG)) {
 | ||
| 	    val = rb_str_concat(recv, obj);
 | ||
| 	}
 | ||
| 	else if (RBASIC_CLASS(recv) == rb_cArray &&
 | ||
| 		 BASIC_OP_UNREDEFINED_P(BOP_LTLT, ARRAY_REDEFINED_OP_FLAG)) {
 | ||
| 	    val = rb_ary_push(recv, obj);
 | ||
| 	}
 | ||
| 	else {
 | ||
| 	    goto INSN_LABEL(normal_dispatch);
 | ||
| 	}
 | ||
|     }
 | ||
|     else {
 | ||
|       INSN_LABEL(normal_dispatch):
 | ||
| 	PUSH(recv);
 | ||
| 	PUSH(obj);
 | ||
| 	CALL_SIMPLE_METHOD(recv);
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e []
 | ||
|   @j 最適化された recv[obj]。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| opt_aref
 | ||
| (CALL_INFO ci, CALL_CACHE cc)
 | ||
| (VALUE recv, VALUE obj)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     if (!SPECIAL_CONST_P(recv)) {
 | ||
| 	if (RBASIC_CLASS(recv) == rb_cArray && BASIC_OP_UNREDEFINED_P(BOP_AREF, ARRAY_REDEFINED_OP_FLAG) && FIXNUM_P(obj)) {
 | ||
| 	    val = rb_ary_entry(recv, FIX2LONG(obj));
 | ||
| 	}
 | ||
| 	else if (RBASIC_CLASS(recv) == rb_cHash && BASIC_OP_UNREDEFINED_P(BOP_AREF, HASH_REDEFINED_OP_FLAG)) {
 | ||
| 	    val = rb_hash_aref(recv, obj);
 | ||
| 	}
 | ||
| 	else {
 | ||
| 	    goto INSN_LABEL(normal_dispatch);
 | ||
| 	}
 | ||
|     }
 | ||
|     else {
 | ||
|       INSN_LABEL(normal_dispatch):
 | ||
| 	PUSH(recv);
 | ||
| 	PUSH(obj);
 | ||
| 	CALL_SIMPLE_METHOD(recv);
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e recv[obj] = set
 | ||
|   @j 最適化された recv[obj] = set。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| opt_aset
 | ||
| (CALL_INFO ci, CALL_CACHE cc)
 | ||
| (VALUE recv, VALUE obj, VALUE set)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     if (!SPECIAL_CONST_P(recv)) {
 | ||
| 	if (RBASIC_CLASS(recv) == rb_cArray && BASIC_OP_UNREDEFINED_P(BOP_ASET, ARRAY_REDEFINED_OP_FLAG) && FIXNUM_P(obj)) {
 | ||
| 	    rb_ary_store(recv, FIX2LONG(obj), set);
 | ||
| 	    val = set;
 | ||
| 	}
 | ||
| 	else if (RBASIC_CLASS(recv) == rb_cHash && BASIC_OP_UNREDEFINED_P(BOP_ASET, HASH_REDEFINED_OP_FLAG)) {
 | ||
| 	    rb_hash_aset(recv, obj, set);
 | ||
| 	    val = set;
 | ||
| 	}
 | ||
| 	else {
 | ||
| 	    goto INSN_LABEL(normal_dispatch);
 | ||
| 	}
 | ||
|     }
 | ||
|     else {
 | ||
|       INSN_LABEL(normal_dispatch):
 | ||
| 	PUSH(recv);
 | ||
| 	PUSH(obj);
 | ||
| 	PUSH(set);
 | ||
| 	CALL_SIMPLE_METHOD(recv);
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e recv[str] = set
 | ||
|   @j 最適化された recv[str] = set。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| opt_aset_with
 | ||
| (CALL_INFO ci, CALL_CACHE cc, VALUE key)
 | ||
| (VALUE recv, VALUE val)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     if (!SPECIAL_CONST_P(recv) && RBASIC_CLASS(recv) == rb_cHash && BASIC_OP_UNREDEFINED_P(BOP_ASET, HASH_REDEFINED_OP_FLAG)) {
 | ||
| 	rb_hash_aset(recv, key, val);
 | ||
|     }
 | ||
|     else {
 | ||
| 	PUSH(recv);
 | ||
| 	PUSH(rb_str_resurrect(key));
 | ||
| 	PUSH(val);
 | ||
| 	CALL_SIMPLE_METHOD(recv);
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e recv[str]
 | ||
|   @j 最適化された recv[str]。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| opt_aref_with
 | ||
| (CALL_INFO ci, CALL_CACHE cc, VALUE key)
 | ||
| (VALUE recv)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     if (!SPECIAL_CONST_P(recv) && RBASIC_CLASS(recv) == rb_cHash && BASIC_OP_UNREDEFINED_P(BOP_AREF, HASH_REDEFINED_OP_FLAG)) {
 | ||
| 	val = rb_hash_aref(recv, key);
 | ||
|     }
 | ||
|     else {
 | ||
| 	PUSH(recv);
 | ||
| 	PUSH(rb_str_resurrect(key));
 | ||
| 	CALL_SIMPLE_METHOD(recv);
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e optimized length
 | ||
|   @j 最適化された recv.length()。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| opt_length
 | ||
| (CALL_INFO ci, CALL_CACHE cc)
 | ||
| (VALUE recv)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     if (!SPECIAL_CONST_P(recv)) {
 | ||
| 	if (RBASIC_CLASS(recv) == rb_cString &&
 | ||
| 	    BASIC_OP_UNREDEFINED_P(BOP_LENGTH, STRING_REDEFINED_OP_FLAG)) {
 | ||
| 	    val = rb_str_length(recv);
 | ||
| 	}
 | ||
| 	else if (RBASIC_CLASS(recv) == rb_cArray &&
 | ||
| 		 BASIC_OP_UNREDEFINED_P(BOP_LENGTH, ARRAY_REDEFINED_OP_FLAG)) {
 | ||
| 	    val = LONG2NUM(RARRAY_LEN(recv));
 | ||
| 	}
 | ||
| 	else if (RBASIC_CLASS(recv) == rb_cHash &&
 | ||
| 		 BASIC_OP_UNREDEFINED_P(BOP_LENGTH, HASH_REDEFINED_OP_FLAG)) {
 | ||
| 	    val = INT2FIX(RHASH_SIZE(recv));
 | ||
| 	}
 | ||
| 	else {
 | ||
| 	    goto INSN_LABEL(normal_dispatch);
 | ||
| 	}
 | ||
|     }
 | ||
|     else {
 | ||
|       INSN_LABEL(normal_dispatch):
 | ||
| 	PUSH(recv);
 | ||
| 	CALL_SIMPLE_METHOD(recv);
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e optimized size
 | ||
|   @j 最適化された recv.size()。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| opt_size
 | ||
| (CALL_INFO ci, CALL_CACHE cc)
 | ||
| (VALUE recv)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     if (!SPECIAL_CONST_P(recv)) {
 | ||
| 	if (RBASIC_CLASS(recv) == rb_cString &&
 | ||
| 	    BASIC_OP_UNREDEFINED_P(BOP_SIZE, STRING_REDEFINED_OP_FLAG)) {
 | ||
| 	    val = rb_str_length(recv);
 | ||
| 	}
 | ||
| 	else if (RBASIC_CLASS(recv) == rb_cArray &&
 | ||
| 		 BASIC_OP_UNREDEFINED_P(BOP_SIZE, ARRAY_REDEFINED_OP_FLAG)) {
 | ||
| 	    val = LONG2NUM(RARRAY_LEN(recv));
 | ||
| 	}
 | ||
| 	else if (RBASIC_CLASS(recv) == rb_cHash &&
 | ||
| 		 BASIC_OP_UNREDEFINED_P(BOP_SIZE, HASH_REDEFINED_OP_FLAG)) {
 | ||
| 	    val = INT2FIX(RHASH_SIZE(recv));
 | ||
| 	}
 | ||
| 	else {
 | ||
| 	    goto INSN_LABEL(normal_dispatch);
 | ||
| 	}
 | ||
|     }
 | ||
|     else {
 | ||
|       INSN_LABEL(normal_dispatch):
 | ||
| 	PUSH(recv);
 | ||
| 	CALL_SIMPLE_METHOD(recv);
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e optimized empty?
 | ||
|   @j 最適化された recv.empty?()。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| opt_empty_p
 | ||
| (CALL_INFO ci, CALL_CACHE cc)
 | ||
| (VALUE recv)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     if (!SPECIAL_CONST_P(recv)) {
 | ||
| 	if (RBASIC_CLASS(recv) == rb_cString &&
 | ||
| 	    BASIC_OP_UNREDEFINED_P(BOP_EMPTY_P, STRING_REDEFINED_OP_FLAG)) {
 | ||
| 	    if (RSTRING_LEN(recv) == 0) val = Qtrue;
 | ||
| 	    else val = Qfalse;
 | ||
| 	}
 | ||
| 	else if (RBASIC_CLASS(recv) == rb_cArray &&
 | ||
| 		 BASIC_OP_UNREDEFINED_P(BOP_EMPTY_P, ARRAY_REDEFINED_OP_FLAG)) {
 | ||
| 	    if (RARRAY_LEN(recv) == 0) val = Qtrue;
 | ||
| 	    else val = Qfalse;
 | ||
| 	}
 | ||
| 	else if (RBASIC_CLASS(recv) == rb_cHash &&
 | ||
| 		 BASIC_OP_UNREDEFINED_P(BOP_EMPTY_P, HASH_REDEFINED_OP_FLAG)) {
 | ||
| 	    if (RHASH_EMPTY_P(recv)) val = Qtrue;
 | ||
| 	    else val = Qfalse;
 | ||
| 	}
 | ||
| 	else {
 | ||
| 	    goto INSN_LABEL(normal_dispatch);
 | ||
| 	}
 | ||
|     }
 | ||
|     else {
 | ||
|       INSN_LABEL(normal_dispatch):
 | ||
| 	PUSH(recv);
 | ||
| 	CALL_SIMPLE_METHOD(recv);
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e optimized succ
 | ||
|   @j 最適化された recv.succ()。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| opt_succ
 | ||
| (CALL_INFO ci, CALL_CACHE cc)
 | ||
| (VALUE recv)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     if (SPECIAL_CONST_P(recv)) {
 | ||
| 	if (FIXNUM_P(recv) &&
 | ||
| 	    BASIC_OP_UNREDEFINED_P(BOP_SUCC, INTEGER_REDEFINED_OP_FLAG)) {
 | ||
| 	    /* fixnum + INT2FIX(1) */
 | ||
| 	    if (recv != LONG2FIX(FIXNUM_MAX)) {
 | ||
| 		val = recv - 1 + INT2FIX(1);
 | ||
| 	    }
 | ||
| 	    else {
 | ||
| 		val = LONG2NUM(FIXNUM_MAX + 1);
 | ||
| 	    }
 | ||
| 	}
 | ||
| 	else {
 | ||
| 	    goto INSN_LABEL(normal_dispatch);
 | ||
| 	}
 | ||
|     }
 | ||
|     else {
 | ||
| 	if (RBASIC_CLASS(recv) == rb_cString &&
 | ||
| 	    BASIC_OP_UNREDEFINED_P(BOP_SUCC, STRING_REDEFINED_OP_FLAG)) {
 | ||
| 	    val = rb_str_succ(recv);
 | ||
| 	}
 | ||
| 	else
 | ||
| 	  {
 | ||
| 	    goto INSN_LABEL(normal_dispatch);
 | ||
| 	}
 | ||
|     }
 | ||
|     if (0) {
 | ||
|       INSN_LABEL(normal_dispatch):
 | ||
| 	PUSH(recv);
 | ||
| 	CALL_SIMPLE_METHOD(recv);
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e optimized not
 | ||
|   @j 最適化された recv.!()。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| opt_not
 | ||
| (CALL_INFO ci, CALL_CACHE cc)
 | ||
| (VALUE recv)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     vm_search_method(ci, cc, recv);
 | ||
| 
 | ||
|     if (check_cfunc(cc->me, rb_obj_not)) {
 | ||
| 	val = RTEST(recv) ? Qfalse : Qtrue;
 | ||
|     }
 | ||
|     else {
 | ||
| 	PUSH(recv);
 | ||
| 	CALL_SIMPLE_METHOD(recv);
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e optimized regexp match
 | ||
|   @j 最適化された正規表現マッチ。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| opt_regexpmatch1
 | ||
| (VALUE r)
 | ||
| (VALUE obj)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     if (BASIC_OP_UNREDEFINED_P(BOP_MATCH, REGEXP_REDEFINED_OP_FLAG)) {
 | ||
| 	val = rb_reg_match(r, obj);
 | ||
|     }
 | ||
|     else {
 | ||
| 	val = rb_funcall(r, idEqTilde, 1, obj);
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e optimized regexp match 2
 | ||
|   @j 最適化された正規表現マッチ 2
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| opt_regexpmatch2
 | ||
| (CALL_INFO ci, CALL_CACHE cc)
 | ||
| (VALUE obj2, VALUE obj1)
 | ||
| (VALUE val)
 | ||
| {
 | ||
|     if (CLASS_OF(obj2) == rb_cString &&
 | ||
| 	BASIC_OP_UNREDEFINED_P(BOP_MATCH, STRING_REDEFINED_OP_FLAG)) {
 | ||
| 	val = rb_reg_match(obj1, obj2);
 | ||
|     }
 | ||
|     else {
 | ||
| 	PUSH(obj2);
 | ||
| 	PUSH(obj1);
 | ||
| 	CALL_SIMPLE_METHOD(obj2);
 | ||
|     }
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c optimize
 | ||
|   @e call native compiled method
 | ||
|   @j ネイティブコンパイルしたメソッドを起動。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| opt_call_c_function
 | ||
| (rb_insn_func_t funcptr)
 | ||
| ()
 | ||
| ()
 | ||
| {
 | ||
|     reg_cfp = (funcptr)(th, reg_cfp);
 | ||
| 
 | ||
|     if (reg_cfp == 0) {
 | ||
| 	VALUE err = th->errinfo;
 | ||
| 	th->errinfo = Qnil;
 | ||
| 	THROW_EXCEPTION(err);
 | ||
|     }
 | ||
| 
 | ||
|     RESTORE_REGS();
 | ||
|     NEXT_INSN();
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c joke
 | ||
|   @e BLT
 | ||
|   @j BLT
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| bitblt
 | ||
| ()
 | ||
| ()
 | ||
| (VALUE ret)
 | ||
| {
 | ||
|     ret = rb_str_new2("a bit of bacon, lettuce and tomato");
 | ||
| }
 | ||
| 
 | ||
| /**
 | ||
|   @c joke
 | ||
|   @e The Answer to Life, the Universe, and Everything
 | ||
|   @j 人生、宇宙、すべての答え。
 | ||
|  */
 | ||
| DEFINE_INSN
 | ||
| answer
 | ||
| ()
 | ||
| ()
 | ||
| (VALUE ret)
 | ||
| {
 | ||
|     ret = INT2FIX(42);
 | ||
| }
 | ||
| 
 |