Module: YTLJit::FunctionArgumentX64MixinCommon

Includes:
FuncArgX64CommonMixin
Defined in:
lib/ytljit/asmext_x64.rb

Constant Summary

Constants included from FuncArgX64CommonMixin

YTLJit::FuncArgX64CommonMixin::ARGPOS2FREG, YTLJit::FuncArgX64CommonMixin::ARGPOS2REG

Constants included from X64

X64::INDIRECT_RAX, X64::INDIRECT_RBP, X64::INDIRECT_RBX, X64::INDIRECT_RCX, X64::INDIRECT_RDI, X64::INDIRECT_RDX, X64::INDIRECT_RSI, X64::INDIRECT_RSP, X64::R10, X64::R11, X64::R12, X64::R13, X64::R14, X64::R15, X64::R8, X64::R9, X64::RAX, X64::RBP, X64::RBX, X64::RCX, X64::RDI, X64::RDX, X64::RSI, X64::RSP

Constants included from SSE64

SSE64::XMM10, SSE64::XMM11, SSE64::XMM12, SSE64::XMM13, SSE64::XMM14, SSE64::XMM15, SSE64::XMM8, SSE64::XMM9

Constants included from SSE

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

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

Instance Method Summary collapse

Instance Method Details

#dst_opecode ⇒ Object 



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# File 'lib/ytljit/asmext_x64.rb', line 52

def dst_opecode
  if @no < argpos2reg.size then
    argpos2reg[@no]
  else
    spos = @no - argpos2reg.size
    OpIndirect.new(SPR, OpImmidiate8.new(spos * 8))
  end
end

#gen_access_dst(gen, inst, dst, src, src2) ⇒ Object 



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# File 'lib/ytljit/asmext_x64.rb', line 71

def gen_access_dst(gen, inst, dst, src, src2)
  code = ""
  asm = gen.asm
  fainfo = gen.funcarg_info

  if @no == 0 then
    fainfo.area_allocate_pos.push nil
    fainfo.used_arg_tab.push Hash.new
  end

  # It can be argpos2reg.size == 0, so this "if" isn't "elsif"
  if @no == argpos2reg.size then
    offset = asm.offset
    code += asm.update_state(gen.sub(SPR, 0))
    fainfo.area_allocate_pos[-1] = offset
  end

  if @no < argpos2reg.size then
    argreg = argpos2reg[@no]

=begin        
    # for nested function call. need save previous reg.
    if asm.retry_mode != :change_op and 
        fainfo.used_arg_tab.last[@no] then
      asm.update_state(gen.push(argreg))
      fainfo.push argreg
    end
=end
    code += asm.update_state(gen.mov(argreg, src))
  else
    # spilled reg 
    spos = @no - argpos2reg.size
    argdst = OpIndirect.new(SPR, OpImmidiate8.new(spos * 8))

    if src.is_a?(OpRegXMM) then
      code += asm.update_state(gen.movsd(argdst, src))
    else
      if inst == :mov and !src.is_a?(OpRegistor) then
        code += asm.update_state(gen.send(inst, TMPR, src))
        code += asm.update_state(gen.mov(argdst, TMPR))
      else
        code += asm.update_state(gen.mov(argdst, src))
      end
    end
  end

  if asm.retry_mode != :change_op then
    # if retry mode fainfo.used_arg_tab is deleted
    fainfo.used_arg_tab.last[@no] = @size
  end
  code
end

#gen_access_src(gen, inst, dst, src, src2) ⇒ Object

Access the passing argument from caller



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# File 'lib/ytljit/asmext_x64.rb', line 126

def gen_access_src(gen, inst, dst, src, src2)
  asm = gen.asm
  fainfo = gen.funcarg_info
  code = ""
  if @no < argpos2reg.size then
    code += asm.update_state(gen.mov(TMPR, argpos2reg[@no]))
  else
    spos = @no - argpos2reg.size
    offset = 8 + spos * 8
    code += asm.update_state(gen.mov(TMPR, OpIndirect.new(SPR, offset)))
  end
  code += asm.update_state(gen.send(inst, src, TMPR))
  code
end

#src_opecode ⇒ Object 



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# File 'lib/ytljit/asmext_x64.rb', line 61

def src_opecode
  if @no < argpos2reg.size then
    argpos2reg[@no]
  else
    # +1 means return address slot
    spos = @no - argpos2reg.size + 1
    OpIndirect.new(SPR, OpImmidiate8.new(spos * 8))
  end
end