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/*
* Copyright (C) 2015-2019 Free Software Foundation, Inc.
*
* This file is part of GNU lightning.
*
* GNU lightning is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* GNU lightning is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* Authors:
* Paulo Cesar Pereira de Andrade
*/
#include <lightning.h>
#include <lightning/jit_private.h>
#if PROTO
# define free_synth_list(node) _free_synth_list(_jit,node)
static jit_node_t *_free_synth_list(jit_state_t*,jit_node_t*);
#define rewind_prolog() _rewind_prolog(_jit)
static void _rewind_prolog(jit_state_t*);
#define rewind_prepare() _rewind_prepare(_jit)
static void _rewind_prepare(jit_state_t*);
#endif
#if CODE
/*
* Implementation
*/
static jit_node_t *
_free_synth_list(jit_state_t *_jit, jit_node_t *node)
{
jit_node_t *next;
next = node->next;
free_node(node);
for (node = next; node && (node->flag & jit_flag_synth); node = next) {
next = node->next;
free_node(node);
}
return (next);
}
static void
_rewind_prolog(jit_state_t *_jit)
{
jit_node_t *node;
jit_node_t *next;
_jitc->function->self.size = stack_framesize;
#if __arm__
assert(jit_cpu.abi);
_jitc->function->self.size += 64;
#endif
#if __mips__ && NEW_ABI
/* Only add extra stack space if there are varargs
* arguments in registers. */
assert(jit_arg_reg_p(_jitc->function->self.argi));
_jitc->function->self.size += 64;
#endif
_jitc->function->self.argi =
_jitc->function->self.argf = _jitc->function->self.argn = 0;
_jitc->tail = _jitc->function->prolog;
node = _jitc->tail->next;
_jitc->tail->next = (jit_node_t *)0;
_jitc->tail->link = (jit_node_t *)0;
for (; node; node = next) {
next = node->next;
switch (node->code) {
case jit_code_arg:
node->next = (jit_node_t *)0;
jit_make_arg(node);
break;
case jit_code_arg_f:
node->next = (jit_node_t *)0;
jit_make_arg_f(node);
break;
case jit_code_arg_d:
node->next = (jit_node_t *)0;
jit_make_arg_d(node);
break;
case jit_code_getarg_c:
jit_getarg_c(node->u.w, node->v.n);
next = free_synth_list(node);
break;
case jit_code_getarg_uc:
jit_getarg_uc(node->u.w, node->v.n);
next = free_synth_list(node);
break;
case jit_code_getarg_s:
jit_getarg_s(node->u.w, node->v.n);
next = free_synth_list(node);
break;
case jit_code_getarg_us:
jit_getarg_us(node->u.w, node->v.n);
next = free_synth_list(node);
break;
case jit_code_getarg_i:
jit_getarg_i(node->u.w, node->v.n);
next = free_synth_list(node);
break;
case jit_code_getarg_f:
jit_getarg_f(node->u.w, node->v.n);
next = free_synth_list(node);
break;
case jit_code_getarg_d:
jit_getarg_d(node->u.w, node->v.n);
next = free_synth_list(node);
break;
case jit_code_putargr:
jit_putargr(node->u.w, node->v.n);
next = free_synth_list(node);
break;
case jit_code_putargi:
jit_putargi(node->u.w, node->v.n);
next = free_synth_list(node);
break;
case jit_code_putargr_f:
jit_putargr_f(node->u.w, node->v.n);
next = free_synth_list(node);
break;
case jit_code_putargi_f:
jit_putargi_f(node->u.f, node->v.n);
next = free_synth_list(node);
break;
case jit_code_putargr_d:
jit_putargr_d(node->u.w, node->v.n);
next = free_synth_list(node);
break;
case jit_code_putargi_d:
jit_putargi_d(node->u.d, node->v.n);
next = free_synth_list(node);
break;
default:
node->next = (jit_node_t *)0;
link_node(node);
break;
}
}
}
static void
_rewind_prepare(jit_state_t *_jit)
{
jit_node_t *node;
jit_node_t *next;
_jitc->function->call.argi =
_jitc->function->call.argf =
_jitc->function->call.size = 0;
_jitc->tail = _jitc->prepare;
node = _jitc->tail->next;
_jitc->tail->next = (jit_node_t *)0;
_jitc->tail->link = (jit_node_t *)0;
for (; node; node = next) {
next = node->next;
switch (node->code) {
case jit_code_pushargr:
jit_pushargr(node->u.w);
next = free_synth_list(node);
break;
case jit_code_pushargi:
jit_pushargi(node->u.w);
next = free_synth_list(node);
break;
case jit_code_pushargr_f:
jit_pushargr_f(node->u.w);
next = free_synth_list(node);
break;
case jit_code_pushargi_f:
jit_pushargi_f(node->u.f);
next = free_synth_list(node);
break;
case jit_code_pushargr_d:
jit_pushargr_d(node->u.w);
next = free_synth_list(node);
break;
case jit_code_pushargi_d:
jit_pushargi_d(node->u.d);
next = free_synth_list(node);
break;
default:
node->next = (jit_node_t *)0;
link_node(node);
break;
}
}
}
#endif
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