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%# -*- C -*-
%# Copyright (c) 2017 Urabe, Shyouhei. All rights reserved.
%#
%# This file is a part of the programming language Ruby. Permission is hereby
%# granted, to either redistribute and/or modify this file, provided that the
%# conditions mentioned in the file COPYING are met. Consult the file for
%# details.
%;
% body = render_c_expr(insn.expr).gsub(/^#/, '# ')
/* insn <%= insn.pretty_name %> */
INSN_ENTRY(<%= insn.name %>)
{
/* ### Declare that we have just entered into an instruction. ### */
START_OF_ORIGINAL_INSN(<%= insn.name %>);
DEBUG_ENTER_INSN(<%=cstr insn.name %>);
/* ### Declare and assign variables. ### */
% insn.preamble.each do |konst|
<%= render_c_expr konst -%>
% end
%
% insn.opes.each_with_index do |ope, i|
<%= ope[:decl] %> = (<%= ope[:type] %>)GET_OPERAND(<%= i + 1 %>);
% end
# define INSN_ATTR(x) <%= insn.call_attribute(' ## x ## ') %>
bool leaf = INSN_ATTR(leaf);
% insn.pops.reverse_each.with_index.reverse_each do |pop, i|
<%= pop[:decl] %> = <%= insn.cast_from_VALUE pop, "TOPN(#{i})"%>;
% end
%
% insn.rets.each do |ret|
% next if insn.has_ope?(ret) or insn.has_pop?(ret)
<%= ret[:decl] %>;
% end
/* ### Instruction preambles. ### */
if (! leaf) ADD_PC(INSN_ATTR(width));
% if insn.handles_sp?
POPN(INSN_ATTR(popn));
% end
<%= insn.handle_canary "SETUP_CANARY(leaf)" -%>
COLLECT_USAGE_INSN(INSN_ATTR(bin));
% insn.opes.each_with_index do |ope, i|
COLLECT_USAGE_OPERAND(INSN_ATTR(bin), <%= i %>, <%= ope[:name] %>);
% end
% unless body.empty?
/* ### Here we do the instruction body. ### */
%# NAME_OF_CURRENT_INSN is used in vm_exec.h
# define NAME_OF_CURRENT_INSN <%= insn.name %>
<%= body -%>
# undef NAME_OF_CURRENT_INSN
% end
/* ### Instruction trailers. ### */
CHECK_VM_STACK_OVERFLOW_FOR_INSN(VM_REG_CFP, INSN_ATTR(retn));
<%= insn.handle_canary "CHECK_CANARY(leaf, INSN_ATTR(bin))" -%>
% if insn.handles_sp?
% insn.rets.reverse_each do |ret|
PUSH(<%= insn.cast_to_VALUE ret %>);
% end
% else
INC_SP(INSN_ATTR(sp_inc));
% insn.rets.reverse_each.with_index do |ret, i|
TOPN(<%= i %>) = <%= insn.cast_to_VALUE ret %>;
VM_ASSERT(!RB_TYPE_P(TOPN(<%= i %>), T_NONE));
VM_ASSERT(!RB_TYPE_P(TOPN(<%= i %>), T_MOVED));
% end
% end
if (leaf) ADD_PC(INSN_ATTR(width));
# undef INSN_ATTR
/* ### Leave the instruction. ### */
END_INSN(<%= insn.name %>);
}
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