Module: YTLJit::VM::TypeCodeGen::StringTypeBoxedCodeGen

Includes:
AbsArch, CommonCodeGen
Defined in:
lib/ytljit/vm_type_gen.rb

Constant Summary

Constants included from AbsArch

AbsArch::AL, AbsArch::BL, AbsArch::CL, AbsArch::DL, AbsArch::FUNC_ARG, AbsArch::FUNC_ARG_YTL, AbsArch::FUNC_FLOAT_ARG, AbsArch::FUNC_FLOAT_ARG_YTL, AbsArch::INDIRECT_BPR, AbsArch::INDIRECT_RETR, AbsArch::INDIRECT_SPR, AbsArch::INDIRECT_TMPR, AbsArch::INDIRECT_TMPR2, AbsArch::INDIRECT_TMPR3

Constants included from SSE

SSE::XMM0, SSE::XMM1, SSE::XMM2, SSE::XMM3, SSE::XMM4, SSE::XMM5, SSE::XMM6, SSE::XMM7

Instance Method Summary collapse

Methods included from CommonCodeGen

#dump_context, #gen_alloca, #gen_call, #gen_save_thepr

Instance Method Details

#gen_copy(context) ⇒ Object 



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# File 'lib/ytljit/vm_type_gen.rb', line 339

def gen_copy(context)
  asm = context.assembler
  val = context.ret_reg
  vnode = context.ret_node
  context.start_arg_reg
  addr = lambda {
    a = address_of("rb_str_dup")
    $symbol_table[a] = "rb_str_dup"
    a
  }
  rbstrdup = OpVarMemAddress.new(addr)
  asm.with_retry do
    asm.mov(FUNC_ARG[0], val)
  end
  context.set_reg_content(FUNC_ARG[0].dst_opecode, vnode)
  context = gen_save_thepr(context)
  context = gen_call(context, rbstrdup, 1, vnode)
  context.end_arg_reg
  context.ret_reg = RETR
  
  context
end