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