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and style of generated code. I've used 2-space indentation at first but at some moment I started to use insns.def contents for generated code. So the 4-space indentation was introduced. But it does no longer make sense. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62255 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
66 lines
2.9 KiB
Text
66 lines
2.9 KiB
Text
/* -*- mode:c; style:ruby; coding: utf-8; indent-tabs-mode: nil -*- */
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% # Copyright (c) 2018 Takashi Kokubun. 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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<%= render 'copyright' %>
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%
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% # This is an ERB template that generates Ruby code that generates C code that
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% # generates JIT-ed C code.
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<%= render 'notice', locals: {
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this_file: 'is the main part of compile_insn() in mjit_compile.c',
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edit: __FILE__,
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} -%>
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%
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% unsupported_insns = [
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% 'getblockparamproxy', # TODO: support this
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% 'defineclass', # low priority
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% 'opt_call_c_function', # low priority
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% ]
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%
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% # Available variables and macros in JIT-ed function:
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% # ec: the first argument of _mjitXXX
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% # reg_cfp: the second argument of _mjitXXX
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% # GET_CFP(): refers to `reg_cfp`
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% # GET_EP(): refers to `reg_cfp->ep`
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% # GET_SP(): refers to `reg_cfp->sp`
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% # INC_SP(): refers to `reg_cfp->sp`
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% # SET_SV(): refers to `reg_cfp->sp`
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% # PUSH(): refers to `SET_SV()`, `INC_SP()`
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% # GET_SELF(): refers to `reg_cfp->self`
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% # GET_LEP(): refers to `VM_EP_LEP(reg_cfp->ep)`
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% # EXEC_EC_CFP(): refers to `val = vm_exec(ec)` with frame setup
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% # CALL_METHOD(): using `GET_CFP()` and `EXEC_EC_CFP()`
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% # TOPN(): refers to `reg_cfp->sp`, which needs to have correct sp (of course)
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% # STACK_ADDR_FROM_TOP(): refers to `reg_cfp->sp`, same problem here
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% # DISPATCH_ORIGINAL_INSN(): expanded in _mjit_compile_insn.erb
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% # THROW_EXCEPTION(): specially defined for JIT
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% # RESTORE_REGS(): specially defined for `leave`
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switch (insn) {
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% (RubyVM::BareInstructions.to_a + RubyVM::OperandsUnifications.to_a).each do |insn|
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% next if unsupported_insns.include?(insn.name)
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case BIN(<%= insn.name %>):
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% if %w[opt_send_without_block send].include?(insn.name)
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<%= render 'mjit_compile_send', locals: { insn: insn } -%>
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% end
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<%= render 'mjit_compile_insn', locals: { insn: insn, dispatched: false } -%>
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break;
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% end
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% # We don't support InstructionsUnifications yet because it's not used for now.
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% # We don't support TraceInstructions yet. There is no blocker for it but it's just not implemented.
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default:
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if (mjit_opts.warnings || mjit_opts.verbose >= 3)
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/* passing excessive arguments to suppress warning in insns_info.inc as workaround... */
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fprintf(stderr, "MJIT warning: Failed to compile instruction: %s (%s: %d...)\n",
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insn_name(insn), insn_op_types(insn), insn_len(insn) > 0 ? insn_op_type(insn, 0) : 0);
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status->success = FALSE;
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break;
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}
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/* if next_pos is already compiled, next instruction won't be compiled in C code and needs `goto`. */
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if ((next_pos < body->iseq_size && status->compiled_for_pos[next_pos]))
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fprintf(f, "goto label_%d;\n", next_pos);
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