YARV: Yet another RubyVM - Software Architecture

by K.Sasada / Fri Mar 04 16:17:05 2005

YARV instruction set

maybe writing.

YARV instruction set

nop

instruction sequence: 0x00
stack: =>

variable

getlocal

get local variable(which is pointed by idx).

instruction sequence: 0x01 idx
stack: => val

setlocal

get local variable (which is pointed by idx) as val.

instruction sequence: 0x02 idx
stack: val =>

getspecial

get special local variable ($~, ...)

instruction sequence: 0x03 idx type
stack: => val

setspecial

set special local variables

instruction sequence: 0x04 idx type
stack: obj =>

getdynamic

get block local variable(which is pointed by idx and level).

instruction sequence: 0x05 idx level
stack: => val

setdynamic

set block local variable(which is pointed by 'idx') as val.

instruction sequence: 0x06 idx level
stack: val =>

getinstancevariable

get instance variable id of obj.

instruction sequence: 0x07 id
stack: => val

setinstancevariable

set instance variable id of obj as val.

instruction sequence: 0x08 id
stack: val =>

getclassvariable

get class variable id of klass as val.

instruction sequence: 0x09 id
stack: => val

setclassvariable

set class variable id of klass as val.

instruction sequence: 0x0a id declp
stack: val =>

getconstant

instruction sequence: 0x0b id
stack: klass => val

setconstant

instruction sequence: 0x0c id
stack: val klass =>

getglobal

get global variable id.

instruction sequence: 0x0d entry
stack: => val

setglobal

set global variable id as val.

instruction sequence: 0x0e entry
stack: val =>

put

putnil

put nil

instruction sequence: 0x0f
stack: => val

putself

put self.

instruction sequence: 0x10
stack: => val

putobject

put some object.

instruction sequence: 0x11 val
stack: => val

putstring

put string val. string will be copied.

instruction sequence: 0x12 val
stack: => val

concatstrings

put concatenate strings

instruction sequence: 0x13 num
stack: ... => val

tostring

to_str

instruction sequence: 0x14
stack: val => val

toregexp

to Regexp

instruction sequence: 0x15 flag
stack: str => val

newarray

put new array.

instruction sequence: 0x16 num
stack: ... => val

duparray

dup array

instruction sequence: 0x17 ary
stack: => val

expandarray

expand array to num objects.

instruction sequence: 0x18 num flag
stack: ... ary => ...

newhash

put new Hash.

instruction sequence: 0x19 num
stack: ... => val

newrange

put new Range object.(Range.new(low, high, flag))

instruction sequence: 0x1a flag
stack: low high => val

putnot

put !val.

instruction sequence: 0x1b
stack: obj => val

stack

pop

pop from stack.

instruction sequence: 0x1c
stack: val =>

dup

duplicate stack top.

instruction sequence: 0x1d
stack: val => val1 val2

dupn

duplicate stack top n elements

instruction sequence: 0x1e n
stack: ... => ...

swap

swap top 2 vals

instruction sequence: 0x1f
stack: val obj => obj val

reput

instruction sequence: 0x20
stack: ... val => val

topn

get nth stack value from stack top

instruction sequence: 0x21 n
stack: ... => val

setting

methoddef

define method id as body

instruction sequence: 0x22 id body
stack: =>

singletonmethoddef

define singleton method id as body to obj.

instruction sequence: 0x23 id body
stack: obj =>

alias

make alias (if v_p is Qtrue, make valias)

instruction sequence: 0x24 v_p id1 id2
stack: =>

undef

instruction sequence: 0x25 id
stack: =>

defined

defined?

instruction sequence: 0x26 type obj needstr
stack: ... => val

class/module

classdef

instruction sequence: 0x27 id klass_iseq
stack: cbase super => val

singletonclassdef

enter singleton class definition scope.

instruction sequence: 0x28 sclass_iseq
stack: obj => val

moduledef

enter module definition scope.

instruction sequence: 0x29 id module_iseq
stack: mbase => val

popcref

pop class reference

instruction sequence: 0x2a
stack: =>

method/iterator

send

obj.send(id, args) # args.size => num

instruction sequence: 0x2b id argc block flag ic
stack: ... => val

super

super(args) # args.size => num

instruction sequence: 0x2c num flag
stack: ... => val

zsuper

super

instruction sequence: 0x2d
stack: ... => val

yield

yield(args) # args.size => num, flag shows expand argument or not

instruction sequence: 0x2e num flag
stack: ... => val

end

return from this scope.

instruction sequence: 0x2f idx
stack: val => val

exception

throw

longjump

instruction sequence: 0x30 throw_state
stack: throwobj =>

jump

set PC to (PC + dst).

instruction sequence: 0x31 dst
stack: =>

if

if val is not false or nil, set PC to (PC + dst).

instruction sequence: 0x32 dst
stack: val =>

unless

if val is false or nil, set PC to (PC + dst).

instruction sequence: 0x33 dst
stack: val =>

optimize

getinlinecache

inline cache

instruction sequence: 0x34 ic dst
stack: => val

setinlinecache

set inline cache

instruction sequence: 0x35 dst
stack: val => val

opt_plus

optimized X+Y.

instruction sequence: 0x36
stack: recv obj => val

opt_minus

optimized X-Y.

instruction sequence: 0x37
stack: recv obj => val

opt_lt

optimized X<Y.

instruction sequence: 0x38
stack: recv obj => val

opt_ltlt

instruction sequence: 0x39
stack: recv obj => val

opt_regexpmatch1

optimized regexp match

instruction sequence: 0x3a r
stack: obj => val

opt_regexpmatch2

optimized regexp match 2

instruction sequence: 0x3b
stack: obj2 obj1 => val

opt_call_native_compiled

call native compiled method

instruction sequence: 0x3c
stack: =>

getlocal_OP_1

get local variable(which is pointed by idx).

instruction sequence: 0x3d
stack: => val

setlocal_OP_1

get local variable (which is pointed by idx) as val.

instruction sequence: 0x3e
stack: val =>

getlocal_OP_2

get local variable(which is pointed by idx).

instruction sequence: 0x3f
stack: => val

setlocal_OP_2

get local variable (which is pointed by idx) as val.

instruction sequence: 0x40
stack: val =>

getdynamic_OPWC0

get block local variable(which is pointed by idx and level).

instruction sequence: 0x41 idx
stack: => val

getdynamic_OP_1_0

get block local variable(which is pointed by idx and level).

instruction sequence: 0x42
stack: => val

putobject_OP_INT2FIX_O_0_C_

put some object.

instruction sequence: 0x43
stack: => val

putobject_OP_INT2FIX_O_1_C_

put some object.

instruction sequence: 0x44
stack: => val

putobject_OP_Qtrue

put some object.

instruction sequence: 0x45
stack: => val

putobject_OP_Qfalse

put some object.

instruction sequence: 0x46
stack: => val

send_OPWC_WC__Qfalse_0__WC_

obj.send(id, args) # args.size => num

instruction sequence: 0x47 id argc ic
stack: ... => val

UNIFIED_putobject_putobject

unified insn

instruction sequence: 0x48 val_0 val_1
stack: => val_0 val_1

UNIFIED_putstring_putstring

unified insn

instruction sequence: 0x49 val_0 val_1
stack: => val_0 val_1

UNIFIED_putstring_putobject

unified insn

instruction sequence: 0x4a val_0 val_1
stack: => val_0 val_1

UNIFIED_putobject_putstring

unified insn

instruction sequence: 0x4b val_0 val_1
stack: => val_0 val_1

optimize(sc)

nop_SC_xx_xx

nop

instruction sequence: 0x4c
stack: =>

nop_SC_ax_ax

nop

instruction sequence: 0x4d
stack: =>

nop_SC_bx_bx

nop

instruction sequence: 0x4e
stack: =>

nop_SC_ab_ab

nop

instruction sequence: 0x4f
stack: =>

nop_SC_ba_ba

nop

instruction sequence: 0x50
stack: =>

getlocal_SC_xx_ax

get local variable(which is pointed by idx).

instruction sequence: 0x51 idx
stack: => val

getlocal_SC_ax_ab

get local variable(which is pointed by idx).

instruction sequence: 0x52 idx
stack: => val

getlocal_SC_bx_ba

get local variable(which is pointed by idx).

instruction sequence: 0x53 idx
stack: => val

getlocal_SC_ab_ba

get local variable(which is pointed by idx).

instruction sequence: 0x54 idx
stack: => val

getlocal_SC_ba_ab

get local variable(which is pointed by idx).

instruction sequence: 0x55 idx
stack: => val

setlocal_SC_xx_xx

get local variable (which is pointed by idx) as val.

instruction sequence: 0x56 idx
stack: val =>

setlocal_SC_ax_xx

get local variable (which is pointed by idx) as val.

instruction sequence: 0x57 idx
stack: val =>

setlocal_SC_bx_xx

get local variable (which is pointed by idx) as val.

instruction sequence: 0x58 idx
stack: val =>

setlocal_SC_ab_ax

get local variable (which is pointed by idx) as val.

instruction sequence: 0x59 idx
stack: val =>

setlocal_SC_ba_bx

get local variable (which is pointed by idx) as val.

instruction sequence: 0x5a idx
stack: val =>

getspecial_SC_xx_ax

get special local variable ($~, ...)

instruction sequence: 0x5b idx type
stack: => val

getspecial_SC_ax_ab

get special local variable ($~, ...)

instruction sequence: 0x5c idx type
stack: => val

getspecial_SC_bx_ba

get special local variable ($~, ...)

instruction sequence: 0x5d idx type
stack: => val

getspecial_SC_ab_ba

get special local variable ($~, ...)

instruction sequence: 0x5e idx type
stack: => val

getspecial_SC_ba_ab

get special local variable ($~, ...)

instruction sequence: 0x5f idx type
stack: => val

setspecial_SC_xx_xx

set special local variables

instruction sequence: 0x60 idx type
stack: obj =>

setspecial_SC_ax_xx

set special local variables

instruction sequence: 0x61 idx type
stack: obj =>

setspecial_SC_bx_xx

set special local variables

instruction sequence: 0x62 idx type
stack: obj =>

setspecial_SC_ab_ax

set special local variables

instruction sequence: 0x63 idx type
stack: obj =>

setspecial_SC_ba_bx

set special local variables

instruction sequence: 0x64 idx type
stack: obj =>

getdynamic_SC_xx_ax

get block local variable(which is pointed by idx and level).

instruction sequence: 0x65 idx level
stack: => val

getdynamic_SC_ax_ab

get block local variable(which is pointed by idx and level).

instruction sequence: 0x66 idx level
stack: => val

getdynamic_SC_bx_ba

get block local variable(which is pointed by idx and level).

instruction sequence: 0x67 idx level
stack: => val

getdynamic_SC_ab_ba

get block local variable(which is pointed by idx and level).

instruction sequence: 0x68 idx level
stack: => val

getdynamic_SC_ba_ab

get block local variable(which is pointed by idx and level).

instruction sequence: 0x69 idx level
stack: => val

setdynamic_SC_xx_xx

set block local variable(which is pointed by 'idx') as val.

instruction sequence: 0x6a idx level
stack: val =>

setdynamic_SC_ax_xx

set block local variable(which is pointed by 'idx') as val.

instruction sequence: 0x6b idx level
stack: val =>

setdynamic_SC_bx_xx

set block local variable(which is pointed by 'idx') as val.

instruction sequence: 0x6c idx level
stack: val =>

setdynamic_SC_ab_ax

set block local variable(which is pointed by 'idx') as val.

instruction sequence: 0x6d idx level
stack: val =>

setdynamic_SC_ba_bx

set block local variable(which is pointed by 'idx') as val.

instruction sequence: 0x6e idx level
stack: val =>

getinstancevariable_SC_xx_ax

get instance variable id of obj.

instruction sequence: 0x6f id
stack: => val

getinstancevariable_SC_ax_ab

get instance variable id of obj.

instruction sequence: 0x70 id
stack: => val

getinstancevariable_SC_bx_ba

get instance variable id of obj.

instruction sequence: 0x71 id
stack: => val

getinstancevariable_SC_ab_ba

get instance variable id of obj.

instruction sequence: 0x72 id
stack: => val

getinstancevariable_SC_ba_ab

get instance variable id of obj.

instruction sequence: 0x73 id
stack: => val

setinstancevariable_SC_xx_xx

set instance variable id of obj as val.

instruction sequence: 0x74 id
stack: val =>

setinstancevariable_SC_ax_xx

set instance variable id of obj as val.

instruction sequence: 0x75 id
stack: val =>

setinstancevariable_SC_bx_xx

set instance variable id of obj as val.

instruction sequence: 0x76 id
stack: val =>

setinstancevariable_SC_ab_ax

set instance variable id of obj as val.

instruction sequence: 0x77 id
stack: val =>

setinstancevariable_SC_ba_bx

set instance variable id of obj as val.

instruction sequence: 0x78 id
stack: val =>

getclassvariable_SC_xx_ax

get class variable id of klass as val.

instruction sequence: 0x79 id
stack: => val

getclassvariable_SC_ax_ab

get class variable id of klass as val.

instruction sequence: 0x7a id
stack: => val

getclassvariable_SC_bx_ba

get class variable id of klass as val.

instruction sequence: 0x7b id
stack: => val

getclassvariable_SC_ab_ba

get class variable id of klass as val.

instruction sequence: 0x7c id
stack: => val

getclassvariable_SC_ba_ab

get class variable id of klass as val.

instruction sequence: 0x7d id
stack: => val

setclassvariable_SC_xx_xx

set class variable id of klass as val.

instruction sequence: 0x7e id declp
stack: val =>

setclassvariable_SC_ax_xx

set class variable id of klass as val.

instruction sequence: 0x7f id declp
stack: val =>

setclassvariable_SC_bx_xx

set class variable id of klass as val.

instruction sequence: 0x80 id declp
stack: val =>

setclassvariable_SC_ab_ax

set class variable id of klass as val.

instruction sequence: 0x81 id declp
stack: val =>

setclassvariable_SC_ba_bx

set class variable id of klass as val.

instruction sequence: 0x82 id declp
stack: val =>

getconstant_SC_xx_ax

instruction sequence: 0x83 id
stack: klass => val

getconstant_SC_ax_ax

instruction sequence: 0x84 id
stack: klass => val

getconstant_SC_bx_ax

instruction sequence: 0x85 id
stack: klass => val

getconstant_SC_ab_ab

instruction sequence: 0x86 id
stack: klass => val

getconstant_SC_ba_ba

instruction sequence: 0x87 id
stack: klass => val

setconstant_SC_xx_xx

instruction sequence: 0x88 id
stack: val klass =>

setconstant_SC_ax_xx

instruction sequence: 0x89 id
stack: val klass =>

setconstant_SC_bx_xx

instruction sequence: 0x8a id
stack: val klass =>

setconstant_SC_ab_xx

instruction sequence: 0x8b id
stack: val klass =>

setconstant_SC_ba_xx

instruction sequence: 0x8c id
stack: val klass =>

getglobal_SC_xx_ax

get global variable id.

instruction sequence: 0x8d entry
stack: => val

getglobal_SC_ax_ab

get global variable id.

instruction sequence: 0x8e entry
stack: => val

getglobal_SC_bx_ba

get global variable id.

instruction sequence: 0x8f entry
stack: => val

getglobal_SC_ab_ba

get global variable id.

instruction sequence: 0x90 entry
stack: => val

getglobal_SC_ba_ab

get global variable id.

instruction sequence: 0x91 entry
stack: => val

setglobal_SC_xx_xx

set global variable id as val.

instruction sequence: 0x92 entry
stack: val =>

setglobal_SC_ax_xx

set global variable id as val.

instruction sequence: 0x93 entry
stack: val =>

setglobal_SC_bx_xx

set global variable id as val.

instruction sequence: 0x94 entry
stack: val =>

setglobal_SC_ab_ax

set global variable id as val.

instruction sequence: 0x95 entry
stack: val =>

setglobal_SC_ba_bx

set global variable id as val.

instruction sequence: 0x96 entry
stack: val =>

putnil_SC_xx_ax

put nil

instruction sequence: 0x97
stack: => val

putnil_SC_ax_ab

put nil

instruction sequence: 0x98
stack: => val

putnil_SC_bx_ba

put nil

instruction sequence: 0x99
stack: => val

putnil_SC_ab_ba

put nil

instruction sequence: 0x9a
stack: => val

putnil_SC_ba_ab

put nil

instruction sequence: 0x9b
stack: => val

putself_SC_xx_ax

put self.

instruction sequence: 0x9c
stack: => val

putself_SC_ax_ab

put self.

instruction sequence: 0x9d
stack: => val

putself_SC_bx_ba

put self.

instruction sequence: 0x9e
stack: => val

putself_SC_ab_ba

put self.

instruction sequence: 0x9f
stack: => val

putself_SC_ba_ab

put self.

instruction sequence: 0xa0
stack: => val

putobject_SC_xx_ax

put some object.

instruction sequence: 0xa1 val
stack: => val

putobject_SC_ax_ab

put some object.

instruction sequence: 0xa2 val
stack: => val

putobject_SC_bx_ba

put some object.

instruction sequence: 0xa3 val
stack: => val

putobject_SC_ab_ba

put some object.

instruction sequence: 0xa4 val
stack: => val

putobject_SC_ba_ab

put some object.

instruction sequence: 0xa5 val
stack: => val

putstring_SC_xx_ax

put string val. string will be copied.

instruction sequence: 0xa6 val
stack: => val

putstring_SC_ax_ab

put string val. string will be copied.

instruction sequence: 0xa7 val
stack: => val

putstring_SC_bx_ba

put string val. string will be copied.

instruction sequence: 0xa8 val
stack: => val

putstring_SC_ab_ba

put string val. string will be copied.

instruction sequence: 0xa9 val
stack: => val

putstring_SC_ba_ab

put string val. string will be copied.

instruction sequence: 0xaa val
stack: => val

concatstrings_SC_xx_ax

put concatenate strings

instruction sequence: 0xab num
stack: ... => val

concatstrings_SC_ax_ax

put concatenate strings

instruction sequence: 0xac num
stack: ... => val

concatstrings_SC_bx_ax

put concatenate strings

instruction sequence: 0xad num
stack: ... => val

concatstrings_SC_ab_ax

put concatenate strings

instruction sequence: 0xae num
stack: ... => val

concatstrings_SC_ba_ax

put concatenate strings

instruction sequence: 0xaf num
stack: ... => val

tostring_SC_xx_ax

to_str

instruction sequence: 0xb0
stack: val => val

tostring_SC_ax_ax

to_str

instruction sequence: 0xb1
stack: val => val

tostring_SC_bx_ax

to_str

instruction sequence: 0xb2
stack: val => val

tostring_SC_ab_ab

to_str

instruction sequence: 0xb3
stack: val => val

tostring_SC_ba_ba

to_str

instruction sequence: 0xb4
stack: val => val

toregexp_SC_xx_ax

to Regexp

instruction sequence: 0xb5 flag
stack: str => val

toregexp_SC_ax_ax

to Regexp

instruction sequence: 0xb6 flag
stack: str => val

toregexp_SC_bx_ax

to Regexp

instruction sequence: 0xb7 flag
stack: str => val

toregexp_SC_ab_ab

to Regexp

instruction sequence: 0xb8 flag
stack: str => val

toregexp_SC_ba_ba

to Regexp

instruction sequence: 0xb9 flag
stack: str => val

newarray_SC_xx_ax

put new array.

instruction sequence: 0xba num
stack: ... => val

newarray_SC_ax_ax

put new array.

instruction sequence: 0xbb num
stack: ... => val

newarray_SC_bx_ax

put new array.

instruction sequence: 0xbc num
stack: ... => val

newarray_SC_ab_ax

put new array.

instruction sequence: 0xbd num
stack: ... => val

newarray_SC_ba_ax

put new array.

instruction sequence: 0xbe num
stack: ... => val

duparray_SC_xx_ax

dup array

instruction sequence: 0xbf ary
stack: => val

duparray_SC_ax_ab

dup array

instruction sequence: 0xc0 ary
stack: => val

duparray_SC_bx_ba

dup array

instruction sequence: 0xc1 ary
stack: => val

duparray_SC_ab_ba

dup array

instruction sequence: 0xc2 ary
stack: => val

duparray_SC_ba_ab

dup array

instruction sequence: 0xc3 ary
stack: => val

expandarray_SC_xx_xx

expand array to num objects.

instruction sequence: 0xc4 num flag
stack: ... ary => ...

expandarray_SC_ax_xx

expand array to num objects.

instruction sequence: 0xc5 num flag
stack: ... ary => ...

expandarray_SC_bx_xx

expand array to num objects.

instruction sequence: 0xc6 num flag
stack: ... ary => ...

expandarray_SC_ab_xx

expand array to num objects.

instruction sequence: 0xc7 num flag
stack: ... ary => ...

expandarray_SC_ba_xx

expand array to num objects.

instruction sequence: 0xc8 num flag
stack: ... ary => ...

newhash_SC_xx_ax

put new Hash.

instruction sequence: 0xc9 num
stack: ... => val

newhash_SC_ax_ax

put new Hash.

instruction sequence: 0xca num
stack: ... => val

newhash_SC_bx_ax

put new Hash.

instruction sequence: 0xcb num
stack: ... => val

newhash_SC_ab_ax

put new Hash.

instruction sequence: 0xcc num
stack: ... => val

newhash_SC_ba_ax

put new Hash.

instruction sequence: 0xcd num
stack: ... => val

newrange_SC_xx_ax

put new Range object.(Range.new(low, high, flag))

instruction sequence: 0xce flag
stack: low high => val

newrange_SC_ax_ax

put new Range object.(Range.new(low, high, flag))

instruction sequence: 0xcf flag
stack: low high => val

newrange_SC_bx_ax

put new Range object.(Range.new(low, high, flag))

instruction sequence: 0xd0 flag
stack: low high => val

newrange_SC_ab_ax

put new Range object.(Range.new(low, high, flag))

instruction sequence: 0xd1 flag
stack: low high => val

newrange_SC_ba_ax

put new Range object.(Range.new(low, high, flag))

instruction sequence: 0xd2 flag
stack: low high => val

putnot_SC_xx_ax

put !val.

instruction sequence: 0xd3
stack: obj => val

putnot_SC_ax_ax

put !val.

instruction sequence: 0xd4
stack: obj => val

putnot_SC_bx_ax

put !val.

instruction sequence: 0xd5
stack: obj => val

putnot_SC_ab_ab

put !val.

instruction sequence: 0xd6
stack: obj => val

putnot_SC_ba_ba

put !val.

instruction sequence: 0xd7
stack: obj => val

pop_SC_xx_xx

pop from stack.

instruction sequence: 0xd8
stack: val =>

pop_SC_ax_xx

pop from stack.

instruction sequence: 0xd9
stack: val =>

pop_SC_bx_xx

pop from stack.

instruction sequence: 0xda
stack: val =>

pop_SC_ab_ax

pop from stack.

instruction sequence: 0xdb
stack: val =>

pop_SC_ba_bx

pop from stack.

instruction sequence: 0xdc
stack: val =>

dup_SC_xx_ab

duplicate stack top.

instruction sequence: 0xdd
stack: val => val2 val1

dup_SC_ax_ab

duplicate stack top.

instruction sequence: 0xde
stack: val => val2 val1

dup_SC_bx_ab

duplicate stack top.

instruction sequence: 0xdf
stack: val => val2 val1

dup_SC_ab_ba

duplicate stack top.

instruction sequence: 0xe0
stack: val => val2 val1

dup_SC_ba_ab

duplicate stack top.

instruction sequence: 0xe1
stack: val => val2 val1

dupn_SC_xx_xx

duplicate stack top n elements

instruction sequence: 0xe2 n
stack: ... => ...

dupn_SC_ax_xx

duplicate stack top n elements

instruction sequence: 0xe3 n
stack: ... => ...

dupn_SC_bx_xx

duplicate stack top n elements

instruction sequence: 0xe4 n
stack: ... => ...

dupn_SC_ab_xx

duplicate stack top n elements

instruction sequence: 0xe5 n
stack: ... => ...

dupn_SC_ba_xx

duplicate stack top n elements

instruction sequence: 0xe6 n
stack: ... => ...

swap_SC_xx_ab

swap top 2 vals

instruction sequence: 0xe7
stack: val obj => val obj

swap_SC_ax_ab

swap top 2 vals

instruction sequence: 0xe8
stack: val obj => val obj

swap_SC_bx_ab

swap top 2 vals

instruction sequence: 0xe9
stack: val obj => val obj

swap_SC_ab_ab

swap top 2 vals

instruction sequence: 0xea
stack: val obj => val obj

swap_SC_ba_ab

swap top 2 vals

instruction sequence: 0xeb
stack: val obj => val obj

reput_SC_xx_ax

instruction sequence: 0xec
stack: ... val => val

reput_SC_ax_ax

instruction sequence: 0xed
stack: ... val => val

reput_SC_bx_ax

instruction sequence: 0xee
stack: ... val => val

reput_SC_ab_ax

instruction sequence: 0xef
stack: ... val => val

reput_SC_ba_ax

instruction sequence: 0xf0
stack: ... val => val

topn_SC_xx_ax

get nth stack value from stack top

instruction sequence: 0xf1 n
stack: ... => val

topn_SC_ax_ax

get nth stack value from stack top

instruction sequence: 0xf2 n
stack: ... => val

topn_SC_bx_ax

get nth stack value from stack top

instruction sequence: 0xf3 n
stack: ... => val

topn_SC_ab_ax

get nth stack value from stack top

instruction sequence: 0xf4 n
stack: ... => val

topn_SC_ba_ax

get nth stack value from stack top

instruction sequence: 0xf5 n
stack: ... => val

methoddef_SC_xx_xx

define method id as body

instruction sequence: 0xf6 id body
stack: =>

methoddef_SC_ax_ax

define method id as body

instruction sequence: 0xf7 id body
stack: =>

methoddef_SC_bx_bx

define method id as body

instruction sequence: 0xf8 id body
stack: =>

methoddef_SC_ab_ab

define method id as body

instruction sequence: 0xf9 id body
stack: =>

methoddef_SC_ba_ba

define method id as body

instruction sequence: 0xfa id body
stack: =>

singletonmethoddef_SC_xx_xx

define singleton method id as body to obj.

instruction sequence: 0xfb id body
stack: obj =>

singletonmethoddef_SC_ax_xx

define singleton method id as body to obj.

instruction sequence: 0xfc id body
stack: obj =>

singletonmethoddef_SC_bx_xx

define singleton method id as body to obj.

instruction sequence: 0xfd id body
stack: obj =>

singletonmethoddef_SC_ab_ax

define singleton method id as body to obj.

instruction sequence: 0xfe id body
stack: obj =>

singletonmethoddef_SC_ba_bx

define singleton method id as body to obj.

instruction sequence: 0xff id body
stack: obj =>

alias_SC_xx_xx

make alias (if v_p is Qtrue, make valias)

instruction sequence: 0x100 v_p id1 id2
stack: =>

alias_SC_ax_ax

make alias (if v_p is Qtrue, make valias)

instruction sequence: 0x101 v_p id1 id2
stack: =>

alias_SC_bx_bx

make alias (if v_p is Qtrue, make valias)

instruction sequence: 0x102 v_p id1 id2
stack: =>

alias_SC_ab_ab

make alias (if v_p is Qtrue, make valias)

instruction sequence: 0x103 v_p id1 id2
stack: =>

alias_SC_ba_ba

make alias (if v_p is Qtrue, make valias)

instruction sequence: 0x104 v_p id1 id2
stack: =>

undef_SC_xx_xx

undef

instruction sequence: 0x105 id
stack: =>

undef_SC_ax_ax

undef

instruction sequence: 0x106 id
stack: =>

undef_SC_bx_bx

undef

instruction sequence: 0x107 id
stack: =>

undef_SC_ab_ab

undef

instruction sequence: 0x108 id
stack: =>

undef_SC_ba_ba

undef

instruction sequence: 0x109 id
stack: =>

defined_SC_xx_ax

defined?

instruction sequence: 0x10a type obj needstr
stack: ... => val

defined_SC_ax_ax

defined?

instruction sequence: 0x10b type obj needstr
stack: ... => val

defined_SC_bx_ax

defined?

instruction sequence: 0x10c type obj needstr
stack: ... => val

defined_SC_ab_ax

defined?

instruction sequence: 0x10d type obj needstr
stack: ... => val

defined_SC_ba_ax

defined?

instruction sequence: 0x10e type obj needstr
stack: ... => val

classdef_SC_xx_ax

instruction sequence: 0x10f id klass_iseq
stack: cbase super => val

classdef_SC_ax_ax

instruction sequence: 0x110 id klass_iseq
stack: cbase super => val

classdef_SC_bx_ax

instruction sequence: 0x111 id klass_iseq
stack: cbase super => val

classdef_SC_ab_ax

instruction sequence: 0x112 id klass_iseq
stack: cbase super => val

classdef_SC_ba_ax

instruction sequence: 0x113 id klass_iseq
stack: cbase super => val

singletonclassdef_SC_xx_ax

enter singleton class definition scope.

instruction sequence: 0x114 sclass_iseq
stack: obj => val

singletonclassdef_SC_ax_ax

enter singleton class definition scope.

instruction sequence: 0x115 sclass_iseq
stack: obj => val

singletonclassdef_SC_bx_ax

enter singleton class definition scope.

instruction sequence: 0x116 sclass_iseq
stack: obj => val

singletonclassdef_SC_ab_ab

enter singleton class definition scope.

instruction sequence: 0x117 sclass_iseq
stack: obj => val

singletonclassdef_SC_ba_ba

enter singleton class definition scope.

instruction sequence: 0x118 sclass_iseq
stack: obj => val

moduledef_SC_xx_ax

enter module definition scope.

instruction sequence: 0x119 id module_iseq
stack: mbase => val

moduledef_SC_ax_ax

enter module definition scope.

instruction sequence: 0x11a id module_iseq
stack: mbase => val

moduledef_SC_bx_ax

enter module definition scope.

instruction sequence: 0x11b id module_iseq
stack: mbase => val

moduledef_SC_ab_ax

enter module definition scope.

instruction sequence: 0x11c id module_iseq
stack: mbase => val

moduledef_SC_ba_ax

enter module definition scope.

instruction sequence: 0x11d id module_iseq
stack: mbase => val

popcref_SC_xx_xx

pop class reference

instruction sequence: 0x11e
stack: =>

popcref_SC_ax_ax

pop class reference

instruction sequence: 0x11f
stack: =>

popcref_SC_bx_bx

pop class reference

instruction sequence: 0x120
stack: =>

popcref_SC_ab_ab

pop class reference

instruction sequence: 0x121
stack: =>

popcref_SC_ba_ba

pop class reference

instruction sequence: 0x122
stack: =>

send_SC_xx_ax

obj.send(id, args) # args.size => num

instruction sequence: 0x123 id argc block flag ic
stack: ... => val

send_SC_ax_ax

obj.send(id, args) # args.size => num

instruction sequence: 0x124 id argc block flag ic
stack: ... => val

send_SC_bx_ax

obj.send(id, args) # args.size => num

instruction sequence: 0x125 id argc block flag ic
stack: ... => val

send_SC_ab_ax

obj.send(id, args) # args.size => num

instruction sequence: 0x126 id argc block flag ic
stack: ... => val

send_SC_ba_ax

obj.send(id, args) # args.size => num

instruction sequence: 0x127 id argc block flag ic
stack: ... => val

super_SC_xx_ax

super(args) # args.size => num

instruction sequence: 0x128 num flag
stack: ... => val

super_SC_ax_ax

super(args) # args.size => num

instruction sequence: 0x129 num flag
stack: ... => val

super_SC_bx_ax

super(args) # args.size => num

instruction sequence: 0x12a num flag
stack: ... => val

super_SC_ab_ax

super(args) # args.size => num

instruction sequence: 0x12b num flag
stack: ... => val

super_SC_ba_ax

super(args) # args.size => num

instruction sequence: 0x12c num flag
stack: ... => val

zsuper_SC_xx_ax

super

instruction sequence: 0x12d
stack: ... => val

zsuper_SC_ax_ax

super

instruction sequence: 0x12e
stack: ... => val

zsuper_SC_bx_ax

super

instruction sequence: 0x12f
stack: ... => val

zsuper_SC_ab_ax

super

instruction sequence: 0x130
stack: ... => val

zsuper_SC_ba_ax

super

instruction sequence: 0x131
stack: ... => val

yield_SC_xx_ax

yield(args) # args.size => num, flag shows expand argument or not

instruction sequence: 0x132 num flag
stack: ... => val

yield_SC_ax_ax

yield(args) # args.size => num, flag shows expand argument or not

instruction sequence: 0x133 num flag
stack: ... => val

yield_SC_bx_ax

yield(args) # args.size => num, flag shows expand argument or not

instruction sequence: 0x134 num flag
stack: ... => val

yield_SC_ab_ax

yield(args) # args.size => num, flag shows expand argument or not

instruction sequence: 0x135 num flag
stack: ... => val

yield_SC_ba_ax

yield(args) # args.size => num, flag shows expand argument or not

instruction sequence: 0x136 num flag
stack: ... => val

end_SC_xx_ax

return from this scope.

instruction sequence: 0x137 idx
stack: val => val

end_SC_ax_ax

return from this scope.

instruction sequence: 0x138 idx
stack: val => val

end_SC_bx_ax

return from this scope.

instruction sequence: 0x139 idx
stack: val => val

end_SC_ab_ax

return from this scope.

instruction sequence: 0x13a idx
stack: val => val

end_SC_ba_ax

return from this scope.

instruction sequence: 0x13b idx
stack: val => val

throw_SC_xx_xx

longjump

instruction sequence: 0x13c throw_state
stack: throwobj =>

throw_SC_ax_xx

longjump

instruction sequence: 0x13d throw_state
stack: throwobj =>

throw_SC_bx_xx

longjump

instruction sequence: 0x13e throw_state
stack: throwobj =>

throw_SC_ab_ax

longjump

instruction sequence: 0x13f throw_state
stack: throwobj =>

throw_SC_ba_bx

longjump

instruction sequence: 0x140 throw_state
stack: throwobj =>

jump_SC_xx_xx

set PC to (PC + dst).

instruction sequence: 0x141 dst
stack: =>

jump_SC_ax_ax

set PC to (PC + dst).

instruction sequence: 0x142 dst
stack: =>

jump_SC_bx_bx

set PC to (PC + dst).

instruction sequence: 0x143 dst
stack: =>

jump_SC_ab_ab

set PC to (PC + dst).

instruction sequence: 0x144 dst
stack: =>

jump_SC_ba_ba

set PC to (PC + dst).

instruction sequence: 0x145 dst
stack: =>

if_SC_xx_xx

if val is not false or nil, set PC to (PC + dst).

instruction sequence: 0x146 dst
stack: val =>

if_SC_ax_xx

if val is not false or nil, set PC to (PC + dst).

instruction sequence: 0x147 dst
stack: val =>

if_SC_bx_xx

if val is not false or nil, set PC to (PC + dst).

instruction sequence: 0x148 dst
stack: val =>

if_SC_ab_ax

if val is not false or nil, set PC to (PC + dst).

instruction sequence: 0x149 dst
stack: val =>

if_SC_ba_bx

if val is not false or nil, set PC to (PC + dst).

instruction sequence: 0x14a dst
stack: val =>

unless_SC_xx_xx

if val is false or nil, set PC to (PC + dst).

instruction sequence: 0x14b dst
stack: val =>

unless_SC_ax_xx

if val is false or nil, set PC to (PC + dst).

instruction sequence: 0x14c dst
stack: val =>

unless_SC_bx_xx

if val is false or nil, set PC to (PC + dst).

instruction sequence: 0x14d dst
stack: val =>

unless_SC_ab_ax

if val is false or nil, set PC to (PC + dst).

instruction sequence: 0x14e dst
stack: val =>

unless_SC_ba_bx

if val is false or nil, set PC to (PC + dst).

instruction sequence: 0x14f dst
stack: val =>

getinlinecache_SC_xx_ax

inline cache

instruction sequence: 0x150 ic dst
stack: => val

getinlinecache_SC_ax_ab

inline cache

instruction sequence: 0x151 ic dst
stack: => val

getinlinecache_SC_bx_ba

inline cache

instruction sequence: 0x152 ic dst
stack: => val

getinlinecache_SC_ab_ba

inline cache

instruction sequence: 0x153 ic dst
stack: => val

getinlinecache_SC_ba_ab

inline cache

instruction sequence: 0x154 ic dst
stack: => val

setinlinecache_SC_xx_ax

set inline cache

instruction sequence: 0x155 dst
stack: val => val

setinlinecache_SC_ax_ax

set inline cache

instruction sequence: 0x156 dst
stack: val => val

setinlinecache_SC_bx_ax

set inline cache

instruction sequence: 0x157 dst
stack: val => val

setinlinecache_SC_ab_ab

set inline cache

instruction sequence: 0x158 dst
stack: val => val

setinlinecache_SC_ba_ba

set inline cache

instruction sequence: 0x159 dst
stack: val => val

opt_plus_SC_xx_ax

optimized X+Y.

instruction sequence: 0x15a
stack: recv obj => val

opt_plus_SC_ax_ax

optimized X+Y.

instruction sequence: 0x15b
stack: recv obj => val

opt_plus_SC_bx_ax

optimized X+Y.

instruction sequence: 0x15c
stack: recv obj => val

opt_plus_SC_ab_ax

optimized X+Y.

instruction sequence: 0x15d
stack: recv obj => val

opt_plus_SC_ba_ax

optimized X+Y.

instruction sequence: 0x15e
stack: recv obj => val

opt_minus_SC_xx_ax

optimized X-Y.

instruction sequence: 0x15f
stack: recv obj => val

opt_minus_SC_ax_ax

optimized X-Y.

instruction sequence: 0x160
stack: recv obj => val

opt_minus_SC_bx_ax

optimized X-Y.

instruction sequence: 0x161
stack: recv obj => val

opt_minus_SC_ab_ax

optimized X-Y.

instruction sequence: 0x162
stack: recv obj => val

opt_minus_SC_ba_ax

optimized X-Y.

instruction sequence: 0x163
stack: recv obj => val

opt_lt_SC_xx_ax

optimized X<Y.

instruction sequence: 0x164
stack: recv obj => val

opt_lt_SC_ax_ax

optimized X<Y.

instruction sequence: 0x165
stack: recv obj => val

opt_lt_SC_bx_ax

optimized X<Y.

instruction sequence: 0x166
stack: recv obj => val

opt_lt_SC_ab_ax

optimized X<Y.

instruction sequence: 0x167
stack: recv obj => val

opt_lt_SC_ba_ax

optimized X<Y.

instruction sequence: 0x168
stack: recv obj => val

opt_ltlt_SC_xx_ax

instruction sequence: 0x169
stack: recv obj => val

opt_ltlt_SC_ax_ax

instruction sequence: 0x16a
stack: recv obj => val

opt_ltlt_SC_bx_ax

instruction sequence: 0x16b
stack: recv obj => val

opt_ltlt_SC_ab_ax

instruction sequence: 0x16c
stack: recv obj => val

opt_ltlt_SC_ba_ax

instruction sequence: 0x16d
stack: recv obj => val

opt_regexpmatch1_SC_xx_ax

optimized regexp match

instruction sequence: 0x16e r
stack: obj => val

opt_regexpmatch1_SC_ax_ax

optimized regexp match

instruction sequence: 0x16f r
stack: obj => val

opt_regexpmatch1_SC_bx_ax

optimized regexp match

instruction sequence: 0x170 r
stack: obj => val

opt_regexpmatch1_SC_ab_ab

optimized regexp match

instruction sequence: 0x171 r
stack: obj => val

opt_regexpmatch1_SC_ba_ba

optimized regexp match

instruction sequence: 0x172 r
stack: obj => val

opt_regexpmatch2_SC_xx_ax

optimized regexp match 2

instruction sequence: 0x173
stack: obj2 obj1 => val

opt_regexpmatch2_SC_ax_ax

optimized regexp match 2

instruction sequence: 0x174
stack: obj2 obj1 => val

opt_regexpmatch2_SC_bx_ax

optimized regexp match 2

instruction sequence: 0x175
stack: obj2 obj1 => val

opt_regexpmatch2_SC_ab_ax

optimized regexp match 2

instruction sequence: 0x176
stack: obj2 obj1 => val

opt_regexpmatch2_SC_ba_ax

optimized regexp match 2

instruction sequence: 0x177
stack: obj2 obj1 => val

opt_call_native_compiled_SC_xx_xx

call native compiled method

instruction sequence: 0x178
stack: =>

opt_call_native_compiled_SC_ax_ax

call native compiled method

instruction sequence: 0x179
stack: =>

opt_call_native_compiled_SC_bx_bx

call native compiled method

instruction sequence: 0x17a
stack: =>

opt_call_native_compiled_SC_ab_ab

call native compiled method

instruction sequence: 0x17b
stack: =>

opt_call_native_compiled_SC_ba_ba

call native compiled method

instruction sequence: 0x17c
stack: =>

getlocal_OP_1_SC_xx_ax

get local variable(which is pointed by idx).

instruction sequence: 0x17d
stack: => val

getlocal_OP_1_SC_ax_ab

get local variable(which is pointed by idx).

instruction sequence: 0x17e
stack: => val

getlocal_OP_1_SC_bx_ba

get local variable(which is pointed by idx).

instruction sequence: 0x17f
stack: => val

getlocal_OP_1_SC_ab_ba

get local variable(which is pointed by idx).

instruction sequence: 0x180
stack: => val

getlocal_OP_1_SC_ba_ab

get local variable(which is pointed by idx).

instruction sequence: 0x181
stack: => val

setlocal_OP_1_SC_xx_xx

get local variable (which is pointed by idx) as val.

instruction sequence: 0x182
stack: val =>

setlocal_OP_1_SC_ax_xx

get local variable (which is pointed by idx) as val.

instruction sequence: 0x183
stack: val =>

setlocal_OP_1_SC_bx_xx

get local variable (which is pointed by idx) as val.

instruction sequence: 0x184
stack: val =>

setlocal_OP_1_SC_ab_ax

get local variable (which is pointed by idx) as val.

instruction sequence: 0x185
stack: val =>

setlocal_OP_1_SC_ba_bx

get local variable (which is pointed by idx) as val.

instruction sequence: 0x186
stack: val =>

getlocal_OP_2_SC_xx_ax

get local variable(which is pointed by idx).

instruction sequence: 0x187
stack: => val

getlocal_OP_2_SC_ax_ab

get local variable(which is pointed by idx).

instruction sequence: 0x188
stack: => val

getlocal_OP_2_SC_bx_ba

get local variable(which is pointed by idx).

instruction sequence: 0x189
stack: => val

getlocal_OP_2_SC_ab_ba

get local variable(which is pointed by idx).

instruction sequence: 0x18a
stack: => val

getlocal_OP_2_SC_ba_ab

get local variable(which is pointed by idx).

instruction sequence: 0x18b
stack: => val

setlocal_OP_2_SC_xx_xx

get local variable (which is pointed by idx) as val.

instruction sequence: 0x18c
stack: val =>

setlocal_OP_2_SC_ax_xx

get local variable (which is pointed by idx) as val.

instruction sequence: 0x18d
stack: val =>

setlocal_OP_2_SC_bx_xx

get local variable (which is pointed by idx) as val.

instruction sequence: 0x18e
stack: val =>

setlocal_OP_2_SC_ab_ax

get local variable (which is pointed by idx) as val.

instruction sequence: 0x18f
stack: val =>

setlocal_OP_2_SC_ba_bx

get local variable (which is pointed by idx) as val.

instruction sequence: 0x190
stack: val =>

getdynamic_OPWC0_SC_xx_ax

get block local variable(which is pointed by idx and level).

instruction sequence: 0x191 idx
stack: => val

getdynamic_OPWC0_SC_ax_ab

get block local variable(which is pointed by idx and level).

instruction sequence: 0x192 idx
stack: => val

getdynamic_OPWC0_SC_bx_ba

get block local variable(which is pointed by idx and level).

instruction sequence: 0x193 idx
stack: => val

getdynamic_OPWC0_SC_ab_ba

get block local variable(which is pointed by idx and level).

instruction sequence: 0x194 idx
stack: => val

getdynamic_OPWC0_SC_ba_ab

get block local variable(which is pointed by idx and level).

instruction sequence: 0x195 idx
stack: => val

getdynamic_OP_1_0_SC_xx_ax

get block local variable(which is pointed by idx and level).

instruction sequence: 0x196
stack: => val

getdynamic_OP_1_0_SC_ax_ab

get block local variable(which is pointed by idx and level).

instruction sequence: 0x197
stack: => val

getdynamic_OP_1_0_SC_bx_ba

get block local variable(which is pointed by idx and level).

instruction sequence: 0x198
stack: => val

getdynamic_OP_1_0_SC_ab_ba

get block local variable(which is pointed by idx and level).

instruction sequence: 0x199
stack: => val

getdynamic_OP_1_0_SC_ba_ab

get block local variable(which is pointed by idx and level).

instruction sequence: 0x19a
stack: => val

putobject_OP_INT2FIX_O_0_C__SC_xx_ax

put some object.

instruction sequence: 0x19b
stack: => val

putobject_OP_INT2FIX_O_0_C__SC_ax_ab

put some object.

instruction sequence: 0x19c
stack: => val

putobject_OP_INT2FIX_O_0_C__SC_bx_ba

put some object.

instruction sequence: 0x19d
stack: => val

putobject_OP_INT2FIX_O_0_C__SC_ab_ba

put some object.

instruction sequence: 0x19e
stack: => val

putobject_OP_INT2FIX_O_0_C__SC_ba_ab

put some object.

instruction sequence: 0x19f
stack: => val

putobject_OP_INT2FIX_O_1_C__SC_xx_ax

put some object.

instruction sequence: 0x1a0
stack: => val

putobject_OP_INT2FIX_O_1_C__SC_ax_ab

put some object.

instruction sequence: 0x1a1
stack: => val

putobject_OP_INT2FIX_O_1_C__SC_bx_ba

put some object.

instruction sequence: 0x1a2
stack: => val

putobject_OP_INT2FIX_O_1_C__SC_ab_ba

put some object.

instruction sequence: 0x1a3
stack: => val

putobject_OP_INT2FIX_O_1_C__SC_ba_ab

put some object.

instruction sequence: 0x1a4
stack: => val

putobject_OP_Qtrue_SC_xx_ax

put some object.

instruction sequence: 0x1a5
stack: => val

putobject_OP_Qtrue_SC_ax_ab

put some object.

instruction sequence: 0x1a6
stack: => val

putobject_OP_Qtrue_SC_bx_ba

put some object.

instruction sequence: 0x1a7
stack: => val

putobject_OP_Qtrue_SC_ab_ba

put some object.

instruction sequence: 0x1a8
stack: => val

putobject_OP_Qtrue_SC_ba_ab

put some object.

instruction sequence: 0x1a9
stack: => val

putobject_OP_Qfalse_SC_xx_ax

put some object.

instruction sequence: 0x1aa
stack: => val

putobject_OP_Qfalse_SC_ax_ab

put some object.

instruction sequence: 0x1ab
stack: => val

putobject_OP_Qfalse_SC_bx_ba

put some object.

instruction sequence: 0x1ac
stack: => val

putobject_OP_Qfalse_SC_ab_ba

put some object.

instruction sequence: 0x1ad
stack: => val

putobject_OP_Qfalse_SC_ba_ab

put some object.

instruction sequence: 0x1ae
stack: => val

send_OPWC_WC__Qfalse_0WCSC_xx_ax

obj.send(id, args) # args.size => num

instruction sequence: 0x1af id argc ic
stack: ... => val

send_OPWC_WC__Qfalse_0WCSC_ax_ax

obj.send(id, args) # args.size => num

instruction sequence: 0x1b0 id argc ic
stack: ... => val

send_OPWC_WC__Qfalse_0WCSC_bx_ax

obj.send(id, args) # args.size => num

instruction sequence: 0x1b1 id argc ic
stack: ... => val

send_OPWC_WC__Qfalse_0WCSC_ab_ax

obj.send(id, args) # args.size => num

instruction sequence: 0x1b2 id argc ic
stack: ... => val

send_OPWC_WC__Qfalse_0WCSC_ba_ax

obj.send(id, args) # args.size => num

instruction sequence: 0x1b3 id argc ic
stack: ... => val

UNIFIED_putobject_putobject_SC_xx_ab

unified insn

instruction sequence: 0x1b4 val_0 val_1
stack: => val_1 val_0

UNIFIED_putobject_putobject_SC_ax_ba

unified insn

instruction sequence: 0x1b5 val_0 val_1
stack: => val_1 val_0

UNIFIED_putobject_putobject_SC_bx_ab

unified insn

instruction sequence: 0x1b6 val_0 val_1
stack: => val_1 val_0

UNIFIED_putobject_putobject_SC_ab_ab

unified insn

instruction sequence: 0x1b7 val_0 val_1
stack: => val_1 val_0

UNIFIED_putobject_putobject_SC_ba_ba

unified insn

instruction sequence: 0x1b8 val_0 val_1
stack: => val_1 val_0

UNIFIED_putstring_putstring_SC_xx_ab

unified insn

instruction sequence: 0x1b9 val_0 val_1
stack: => val_1 val_0

UNIFIED_putstring_putstring_SC_ax_ba

unified insn

instruction sequence: 0x1ba val_0 val_1
stack: => val_1 val_0

UNIFIED_putstring_putstring_SC_bx_ab

unified insn

instruction sequence: 0x1bb val_0 val_1
stack: => val_1 val_0

UNIFIED_putstring_putstring_SC_ab_ab

unified insn

instruction sequence: 0x1bc val_0 val_1
stack: => val_1 val_0

UNIFIED_putstring_putstring_SC_ba_ba

unified insn

instruction sequence: 0x1bd val_0 val_1
stack: => val_1 val_0

UNIFIED_putstring_putobject_SC_xx_ab

unified insn

instruction sequence: 0x1be val_0 val_1
stack: => val_1 val_0

UNIFIED_putstring_putobject_SC_ax_ba

unified insn

instruction sequence: 0x1bf val_0 val_1
stack: => val_1 val_0

UNIFIED_putstring_putobject_SC_bx_ab

unified insn

instruction sequence: 0x1c0 val_0 val_1
stack: => val_1 val_0

UNIFIED_putstring_putobject_SC_ab_ab

unified insn

instruction sequence: 0x1c1 val_0 val_1
stack: => val_1 val_0

UNIFIED_putstring_putobject_SC_ba_ba

unified insn

instruction sequence: 0x1c2 val_0 val_1
stack: => val_1 val_0

UNIFIED_putobject_putstring_SC_xx_ab

unified insn

instruction sequence: 0x1c3 val_0 val_1
stack: => val_1 val_0

UNIFIED_putobject_putstring_SC_ax_ba

unified insn

instruction sequence: 0x1c4 val_0 val_1
stack: => val_1 val_0

UNIFIED_putobject_putstring_SC_bx_ab

unified insn

instruction sequence: 0x1c5 val_0 val_1
stack: => val_1 val_0

UNIFIED_putobject_putstring_SC_ab_ab

unified insn

instruction sequence: 0x1c6 val_0 val_1
stack: => val_1 val_0

UNIFIED_putobject_putstring_SC_ba_ba

unified insn

instruction sequence: 0x1c7 val_0 val_1
stack: => val_1 val_0

YARV: Yet another RubyVM - Software Architecture

YARV instruction set

nop

nop

variable

getlocal

setlocal

getspecial

setspecial

getdynamic

setdynamic

getinstancevariable

setinstancevariable

getclassvariable

setclassvariable

getconstant

setconstant

getglobal

setglobal

put

putnil

putself

putobject

putstring

concatstrings

tostring

toregexp

newarray

duparray

expandarray

newhash

newrange

putnot

stack

pop

dup

dupn

swap

reput

topn

setting

methoddef

singletonmethoddef

alias

undef

defined

class/module

classdef

singletonclassdef

moduledef

popcref

method/iterator

send

super

zsuper

yield

end

exception

throw

jump

jump

if

unless

optimize

getinlinecache

setinlinecache

opt_plus

opt_minus

opt_lt

opt_ltlt

opt_regexpmatch1

opt_regexpmatch2

opt_call_native_compiled

getlocal_OP_1

setlocal_OP_1

getlocal_OP_2

setlocal_OP_2

getdynamic_OP__WC__0

getdynamic_OP_1_0

putobject_OP_INT2FIX_O_0_C_

getdynamic_OPWC0

send_OPWC_WC__Qfalse_0__WC_