Class: AArch64::Instructions::SUBS_addsub_ext

Inherits:
Instruction
  • Object
show all
Defined in:
lib/aarch64/instructions/subs_addsub_ext.rb

Overview

SUBS (extended register) – A64 Subtract (extended register), setting flags SUBS <Wd>, <Wn|WSP>, <Wm><extend> {#<amount>} SUBS <Xd>, <Xn|SP>, <R><m><extend> {#<amount>}

Instance Method Summary collapse

Constructor Details

#initialize(rd, rn, rm, extend, amount, sf) ⇒ SUBS_addsub_ext

Returns a new instance of SUBS_addsub_ext.



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# File 'lib/aarch64/instructions/subs_addsub_ext.rb', line 8

def initialize rd, rn, rm, extend, amount, sf
  @rd     = check_mask(rd, 0x1f)
  @rn     = check_mask(rn, 0x1f)
  @rm     = check_mask(rm, 0x1f)
  @extend = check_mask(extend, 0x07)
  @amount = check_mask(amount, 0x07)
  @sf     = check_mask(sf, 0x01)
end

Instance Method Details

#encode(_) ⇒ Object 



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# File 'lib/aarch64/instructions/subs_addsub_ext.rb', line 17

def encode _
  SUBS_addsub_ext(@sf, @rm, @extend, @amount, @rn, @rd)
end