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%# -*- mode:c; style:ruby; coding: utf-8; indent-tabs-mode: nil -*-
%# 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.
%;
/* insn <%= insn.pretty_name %> */
INSN_ENTRY(<%= insn.name %>)
{
%# NAME_OF_CURRENT_INSN is used in vm_exec.h
# define NAME_OF_CURRENT_INSN <%= insn.name %>
# define INSN_ATTR(x) <%= insn.call_attribute(' ## x ## ') %>
% unless insn.complicated_return_values?
# if VM_CHECK_MODE > 0
bool leaf;
VALUE *canary;
# endif
% end
% unless insn.declarations.empty?
<%= insn.declarations.join(";\n ") %>;
% end
START_OF_ORIGINAL_INSN(<%= insn.name %>);
% insn.preamble.each do |konst|
<%= render_c_expr konst -%>
% end
% insn.opes.each_with_index do |ope, i|
<%= ope[:name] %> = (<%= ope[:type] %>)GET_OPERAND(<%= i + 1 %>);
% end
%
% insn.pops.reverse_each.with_index.reverse_each do |pop, i|
<%= pop[:name] %> = <%= insn.cast_from_VALUE pop, "TOPN(#{i})"%>;
% end
DEBUG_ENTER_INSN(INSN_ATTR(name));
ADD_PC(INSN_ATTR(width));
% if insn.handles_sp?
POPN(INSN_ATTR(popn));
% end
% unless insn.complicated_return_values?
#if VM_CHECK_MODE > 0
if ((leaf = INSN_ATTR(leaf))) {
canary = STACK_ADDR_FROM_TOP(-1);
*canary = vm_stack_canary;
}
#endif
% end
COLLECT_USAGE_INSN(INSN_ATTR(bin));
% insn.opes.each_with_index do |ope, i|
COLLECT_USAGE_OPERAND(INSN_ATTR(bin), <%= i %>, <%= ope[:name] %>);
% end
<%= render_c_expr insn.expr -%>
CHECK_VM_STACK_OVERFLOW_FOR_INSN(VM_REG_CFP, INSN_ATTR(retn));
% unless insn.complicated_return_values?
#if VM_CHECK_MODE > 0
if (leaf && (*canary != vm_stack_canary)) {
vm_canary_is_found_dead(INSN_ATTR(bin), *canary);
}
#endif
% end
% if insn.handles_sp?
% insn.rets.reverse_each do |ret|
PUSH(<%= insn.cast_to_VALUE ret %>);
% end
% else
ADJ_SP(INSN_ATTR(sp_inc));
% insn.rets.reverse_each.with_index do |ret, i|
TOPN(<%= i %>) = <%= insn.cast_to_VALUE ret %>;
% end
% end
END_INSN(<%= insn.name %>);
# undef INSN_ATTR
# undef NAME_OF_CURRENT_INSN
}
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