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% # -*- C -*-
% # 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.
{
% # 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
% # compiler: Use captured cc to avoid race condition
size_t cd_index = call_data_index(cd, body);
const struct rb_callcache **cc_entries = captured_cc_entries(status);
const struct rb_callcache *captured_cc = cc_entries[cd_index];
%
% # compiler: Inline send insn where some supported fastpath is used.
const rb_iseq_t *iseq = NULL;
const CALL_INFO ci = cd->ci;
int kw_splat = IS_ARGS_KW_SPLAT(ci) > 0;
extern bool rb_splat_or_kwargs_p(const struct rb_callinfo *restrict ci);
if (!status->compile_info->disable_send_cache && has_valid_method_type(captured_cc) && (
% # `CC_SET_FASTPATH(cd->cc, vm_call_cfunc_with_frame, ...)` in `vm_call_cfunc`
(vm_cc_cme(captured_cc)->def->type == VM_METHOD_TYPE_CFUNC
&& !rb_splat_or_kwargs_p(ci) && !kw_splat)
% # `CC_SET_FASTPATH(cc, vm_call_iseq_setup_func(...), vm_call_iseq_optimizable_p(...))` in `vm_callee_setup_arg`,
% # and support only non-VM_CALL_TAILCALL path inside it
|| (vm_cc_cme(captured_cc)->def->type == VM_METHOD_TYPE_ISEQ
&& fastpath_applied_iseq_p(ci, captured_cc, iseq = def_iseq_ptr(vm_cc_cme(captured_cc)->def))
&& !(vm_ci_flag(ci) & VM_CALL_TAILCALL))
)) {
const bool cfunc_debug = false; // Set true when you want to see inlined cfunc
if (cfunc_debug && vm_cc_cme(captured_cc)->def->type == VM_METHOD_TYPE_CFUNC)
fprintf(stderr, " * %s\n", rb_id2name(vm_ci_mid(ci)));
int sp_inc = (int)sp_inc_of_sendish(ci);
fprintf(f, "{\n");
% # JIT: Invalidate call cache if it requires vm_search_method. This allows to inline some of following things.
bool opt_class_of = !maybe_special_const_class_p(captured_cc->klass); // If true, use RBASIC_CLASS instead of CLASS_OF to reduce code size
fprintf(f, " const struct rb_callcache *cc = (const struct rb_callcache *)0x%"PRIxVALUE";\n", (VALUE)captured_cc);
fprintf(f, " const rb_callable_method_entry_t *cc_cme = (const rb_callable_method_entry_t *)0x%"PRIxVALUE";\n", (VALUE)vm_cc_cme(captured_cc));
fprintf(f, " const VALUE recv = stack[%d];\n", b->stack_size + sp_inc - 1);
fprintf(f, " if (UNLIKELY(%s || !vm_cc_valid_p(cc, cc_cme, %s(recv)))) {\n", opt_class_of ? "RB_SPECIAL_CONST_P(recv)" : "false", opt_class_of ? "RBASIC_CLASS" : "CLASS_OF");
fprintf(f, " reg_cfp->pc = original_body_iseq + %d;\n", pos);
fprintf(f, " reg_cfp->sp = vm_base_ptr(reg_cfp) + %d;\n", b->stack_size);
fprintf(f, " goto send_cancel;\n");
fprintf(f, " }\n");
% # JIT: move sp and pc if necessary
<%= render 'mjit_compile_pc_and_sp', locals: { insn: insn } -%>
% # JIT: If ISeq is inlinable, call the inlined method without pushing a frame.
if (iseq && status->inlined_iseqs != NULL && ISEQ_BODY(iseq) == status->inlined_iseqs[pos]) {
fprintf(f, " {\n");
fprintf(f, " VALUE orig_self = reg_cfp->self;\n");
fprintf(f, " reg_cfp->self = stack[%d];\n", b->stack_size + sp_inc - 1);
fprintf(f, " stack[%d] = _mjit%d_inlined_%d(ec, reg_cfp, orig_self, original_iseq);\n", b->stack_size + sp_inc - 1, status->compiled_id, pos);
fprintf(f, " reg_cfp->self = orig_self;\n");
fprintf(f, " }\n");
}
else {
% # JIT: Forked `vm_sendish` (except method_explorer = vm_search_method_wrap) to inline various things
fprintf(f, " {\n");
fprintf(f, " VALUE val;\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, (const struct rb_callinfo *)0x%"PRIxVALUE", (rb_iseq_t *)0x%"PRIxVALUE", FALSE);\n", (VALUE)ci, (VALUE)blockiseq);
% else
fprintf(f, " calling.block_handler = VM_BLOCK_HANDLER_NONE;\n");
% end
fprintf(f, " calling.kw_splat = %d;\n", kw_splat);
fprintf(f, " calling.recv = stack[%d];\n", b->stack_size + sp_inc - 1);
fprintf(f, " calling.argc = %d;\n", vm_ci_argc(ci));
if (vm_cc_cme(captured_cc)->def->type == VM_METHOD_TYPE_CFUNC) {
% # TODO: optimize this more
fprintf(f, " calling.ci = (CALL_INFO)0x%"PRIxVALUE";\n", (VALUE)ci); // creating local cd here because operand's cd->cc may not be the same as inlined cc.
fprintf(f, " calling.cc = cc;");
fprintf(f, " val = vm_call_cfunc_with_frame(ec, reg_cfp, &calling);\n");
}
else { // VM_METHOD_TYPE_ISEQ
% # fastpath_applied_iseq_p checks rb_simple_iseq_p, which ensures has_opt == FALSE
fprintf(f, " vm_call_iseq_setup_normal(ec, reg_cfp, &calling, cc_cme, 0, %d, %d);\n", ISEQ_BODY(iseq)->param.size, ISEQ_BODY(iseq)->local_table_size);
if (ISEQ_BODY(iseq)->catch_except_p) {
fprintf(f, " VM_ENV_FLAGS_SET(ec->cfp->ep, VM_FRAME_FLAG_FINISH);\n");
fprintf(f, " val = vm_exec(ec, true);\n");
}
else {
fprintf(f, " if ((val = 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, " val = vm_exec(ec, false);\n");
fprintf(f, " }\n");
}
}
fprintf(f, " stack[%d] = val;\n", b->stack_size + sp_inc - 1);
fprintf(f, " }\n");
% # JIT: We should evaluate ISeq modified for TracePoint if it's enabled. Note: This is slow.
fprintf(f, " if (UNLIKELY(!mjit_call_p)) {\n");
fprintf(f, " reg_cfp->sp = vm_base_ptr(reg_cfp) + %d;\n", b->stack_size + (int)<%= insn.call_attribute('sp_inc') %>);
if (!pc_moved_p) {
fprintf(f, " reg_cfp->pc = original_body_iseq + %d;\n", next_pos);
}
fprintf(f, " RB_DEBUG_COUNTER_INC(mjit_cancel_invalidate_all);\n");
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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