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% # -*- mode:c; style:ruby; coding: utf-8; indent-tabs-mode: nil -*-
% # Copyright (c) 2018 Takashi Kokubun. 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.
%
% # Optimized case of send / opt_send_without_block instructions.
{
MAYBE_UNUSED(int pc_moved_p) = FALSE;
% # compiler: Prepare operands which may be used by `insn.call_attribute`
% insn.opes.each_with_index do |ope, i|
MAYBE_UNUSED(<%= ope.fetch(:decl) %>) = (<%= ope.fetch(:type) %>)operands[<%= i %>];
% end
%
if (has_valid_method_type(cc)) {
const rb_iseq_t *iseq;
unsigned int argc = ci->orig_argc; /* unlike `ci->orig_argc`, `argc` may include blockarg */
% if insn.name == 'send'
argc += ((ci->flag & VM_CALL_ARGS_BLOCKARG) ? 1 : 0);
% end
if (cc->me->def->type == VM_METHOD_TYPE_ISEQ && inlinable_iseq_p(ci, cc, iseq = rb_iseq_check(cc->me->def->body.iseq.iseqptr))) { /* CC_SET_FASTPATH in vm_callee_setup_arg */
int param_size = iseq->body->param.size; /* TODO: check calling->argc for argument_arity_error */
fprintf(f, "{\n");
% # JIT: Declare stack_size to be used in some macro of _mjit_compile_insn_body.erb
if (status->local_stack_p) {
fprintf(f, " MAYBE_UNUSED(unsigned int) stack_size = %u;\n", b->stack_size);
}
% # JIT: Invalidate call cache if it requires vm_search_method. This allows to inline some of following things.
<%= render 'mjit_compile_send_guard' -%>
% # JIT: move sp and pc if necessary
<%= render 'mjit_compile_pc_and_sp', locals: { insn: insn } -%>
% # JIT: Print insn body in insns.def
fprintf(f, " {\n");
fprintf(f, " struct rb_calling_info calling;\n");
% if insn.name == 'send'
fprintf(f, " calling.block_handler = vm_caller_setup_arg_block(ec, reg_cfp, (CALL_INFO)0x%"PRIxVALUE", (rb_iseq_t *)0x%"PRIxVALUE", FALSE);\n", operands[0], operands[2]);
% else
fprintf(f, " calling.block_handler = VM_BLOCK_HANDLER_NONE;\n");
% end
fprintf(f, " calling.argc = %d;\n", ci->orig_argc);
fprintf(f, " calling.recv = stack[%d];\n", b->stack_size - 1 - argc);
% # JIT: Special CALL_METHOD. Bypass cc->call and inline vm_call_iseq_setup_normal for vm_call_iseq_setup_func FASTPATH.
fprintf(f, " {\n");
fprintf(f, " VALUE v;\n");
fprintf(f, " vm_call_iseq_setup_normal(ec, reg_cfp, &calling, (const rb_callable_method_entry_t *)0x%"PRIxVALUE", 0, %d, %d);\n",
(VALUE)cc->me, param_size, iseq->body->local_table_size); /* rb_simple_iseq_p checks rb_simple_iseq_p, which ensures has_opt == FALSE */
if (iseq->body->catch_except_p) {
fprintf(f, " VM_ENV_FLAGS_SET(ec->cfp->ep, VM_FRAME_FLAG_FINISH);\n");
fprintf(f, " v = vm_exec(ec, TRUE);\n");
}
else {
fprintf(f, " if ((v = mjit_exec(ec)) == Qundef) {\n");
fprintf(f, " VM_ENV_FLAGS_SET(ec->cfp->ep, VM_FRAME_FLAG_FINISH);\n"); /* This is vm_call0_body's code after vm_call_iseq_setup */
fprintf(f, " v = vm_exec(ec, FALSE);\n");
fprintf(f, " }\n");
}
fprintf(f, " stack[%d] = v;\n", b->stack_size - argc - 1);
fprintf(f, " }\n");
fprintf(f, " }\n");
% # JIT: We should evaluate ISeq modified for TracePoint if it's enabled. Note: This is slow.
fprintf(f, " if (UNLIKELY(ruby_vm_event_enabled_flags & ISEQ_TRACE_EVENTS)) {\n");
fprintf(f, " reg_cfp->sp = (VALUE *)reg_cfp->bp + %d;\n", b->stack_size + (int)<%= insn.call_attribute('sp_inc') %> + 1);
if (!pc_moved_p) {
fprintf(f, " reg_cfp->pc = original_body_iseq + %d;\n", next_pos);
}
fprintf(f, " goto cancel;\n");
fprintf(f, " }\n");
% # compiler: Move JIT compiler's internal stack pointer
b->stack_size += <%= insn.call_attribute('sp_inc') %>;
fprintf(f, "}\n");
break;
}
}
}
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