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jitinline.c
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5118 lines (4462 loc) · 176 KB
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/*
Racket
Copyright (c) 2006-2016 PLT Design Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301 USA.
*/
#include "schpriv.h"
#include "schmach.h"
#include "future.h"
#ifdef MZ_USE_JIT
#include "jit.h"
static Scheme_Object *extract_one_cc_mark_to_tag(Scheme_Object *, Scheme_Object *, Scheme_Object *);
#define JITINLINE_TS_PROCS
#ifndef CAN_INLINE_ALLOC
# define JIT_BOX_TS_PROCS
#endif
#include "jit_ts.c"
#ifdef MZ_USE_FUTURES
static Scheme_Object *ts_scheme_make_fsemaphore(int argc, Scheme_Object **argv)
XFORM_SKIP_PROC
{
if (scheme_use_rtcall) {
return scheme_rtcall_make_fsemaphore(argv[0]);
}
return scheme_make_fsemaphore_inl(argv[0]);
}
#else
# define ts_scheme_make_fsemaphore scheme_make_fsemaphore
#endif
#ifdef CAN_INLINE_ALLOC
# ifdef JIT_USE_FP_OPS
static void call_flrandom(Scheme_Object *rs) {
scheme_jit_save_fp = scheme_double_random(rs);
}
# endif
#endif
static Scheme_Object *extract_one_cc_mark_to_tag(Scheme_Object *mark_set,
Scheme_Object *key,
Scheme_Object *prompt_tag)
XFORM_SKIP_PROC
{
/* wrapper on scheme_extract_one_cc_mark_to_tag() to convert NULL to false */
Scheme_Object *r;
if (mark_set && !SAME_TYPE(SCHEME_TYPE(mark_set), scheme_cont_mark_set_type)) {
Scheme_Object *a[2];
a[0] = mark_set;
a[1] = key;
scheme_wrong_contract("continuation-mark-set-first", "(or/c continuation-mark-set? #f)", 0, 2, a);
return NULL;
}
r = scheme_extract_one_cc_mark_to_tag(mark_set, key, prompt_tag);
if (!r) return scheme_false;
return r;
}
static Scheme_Object *cont_mark_set_first_try_fast(Scheme_Object *cms, Scheme_Object *key)
XFORM_SKIP_PROC
{
Scheme_Object *nullableCms;
Scheme_Object *prompt_tag;
if (key == scheme_parameterization_key || key == scheme_break_enabled_key)
prompt_tag = NULL;
else
prompt_tag = SCHEME_PTR_VAL(scheme_default_prompt_tag);
nullableCms = SCHEME_FALSEP(cms) ? NULL : cms;
/*Fast path here */
if (!nullableCms) {
intptr_t findpos, bottom, startpos, minbottom;
intptr_t pos;
Scheme_Object *val = NULL;
Scheme_Cont_Mark *seg;
Scheme_Thread *p = scheme_current_thread;
startpos = (intptr_t)MZ_CONT_MARK_STACK;
if (!p->cont_mark_stack_segments)
startpos = 0;
bottom = p->cont_mark_stack_bottom;
findpos = startpos;
minbottom = findpos - 16;
if (bottom < minbottom)
bottom = minbottom;
while (findpos-- > bottom) {
seg = p->cont_mark_stack_segments[findpos >> SCHEME_LOG_MARK_SEGMENT_SIZE];
pos = findpos & SCHEME_MARK_SEGMENT_MASK;
if (SAME_OBJ(seg[pos].key, key)) {
val = seg[pos].val;
break;
} else if (SAME_OBJ(seg[pos].key, prompt_tag)) {
break;
}
}
if (val) {
return val;
}
}
/* Otherwise, slow path. This must be a "tail call", because the
calling context may be captured as a lightweight continuation. */
return ts_extract_one_cc_mark_to_tag(nullableCms, key, prompt_tag);
}
static int check_val_struct_prim(Scheme_Object *p, int arity)
{
if (p && SCHEME_PRIMP(p)) {
int t = (((Scheme_Primitive_Proc *)p)->pp.flags & SCHEME_PRIM_OTHER_TYPE_MASK);
if (t == SCHEME_PRIM_STRUCT_TYPE_SIMPLE_CONSTR) {
Scheme_Struct_Type *t;
t = (Scheme_Struct_Type *)SCHEME_PRIM_CLOSURE_ELS(p)[0];
if ((arity == t->num_islots)
&& (arity < 100)) {
return INLINE_STRUCT_PROC_CONSTR;
}
return 0;
} else if (arity == 1) {
if (t == SCHEME_PRIM_STRUCT_TYPE_PRED)
return INLINE_STRUCT_PROC_PRED;
if (t == SCHEME_PRIM_STRUCT_TYPE_INDEXED_GETTER)
return INLINE_STRUCT_PROC_GET;
else if (t == SCHEME_PRIM_TYPE_STRUCT_PROP_GETTER)
return INLINE_STRUCT_PROC_PROP_GET;
else if (t == SCHEME_PRIM_STRUCT_TYPE_STRUCT_PROP_PRED)
return INLINE_STRUCT_PROC_PROP_PRED;
} else if (arity == 2) {
if (t == SCHEME_PRIM_STRUCT_TYPE_INDEXED_SETTER)
return INLINE_STRUCT_PROC_SET;
else if (t == SCHEME_PRIM_TYPE_STRUCT_PROP_GETTER)
return INLINE_STRUCT_PROC_PROP_GET_W_DEFAULT;
}
}
return 0;
}
static int inlineable_struct_prim(Scheme_Object *o, mz_jit_state *jitter, int extra_push, int arity)
{
if (jitter->nc) {
if (SAME_TYPE(SCHEME_TYPE(o), scheme_toplevel_type)) {
Scheme_Object *p;
p = scheme_extract_global(o, jitter->nc, 0);
p = ((Scheme_Bucket *)p)->val;
return check_val_struct_prim(p, arity);
} else if (SAME_TYPE(SCHEME_TYPE(o), scheme_local_type)) {
Scheme_Object *p;
p = scheme_extract_closure_local(o, jitter, extra_push, 0);
return check_val_struct_prim(p, arity);
}
}
return check_val_struct_prim(o, 1);
}
int scheme_inlined_unary_prim(Scheme_Object *o, Scheme_Object *_app, mz_jit_state *jitter)
{
if (SCHEME_PRIMP(o)
&& (SCHEME_PRIM_PROC_OPT_FLAGS(o) & SCHEME_PRIM_IS_UNARY_INLINED))
return 1;
if (inlineable_struct_prim(o, jitter, 1, 1))
return 1;
return 0;
}
int scheme_inlined_binary_prim(Scheme_Object *o, Scheme_Object *_app, mz_jit_state *jitter)
{
return ((SCHEME_PRIMP(o)
&& (SCHEME_PRIM_PROC_OPT_FLAGS(o) & SCHEME_PRIM_IS_BINARY_INLINED))
|| inlineable_struct_prim(o, jitter, 2, 2));
}
int scheme_inlined_nary_prim(Scheme_Object *o, Scheme_Object *_app, mz_jit_state *jitter)
{
int n = ((Scheme_App_Rec *)_app)->num_args;
return ((SCHEME_PRIMP(o)
&& (SCHEME_PRIM_PROC_OPT_FLAGS(o) & SCHEME_PRIM_IS_NARY_INLINED)
&& (n >= ((Scheme_Primitive_Proc *)o)->mina)
&& (n <= ((Scheme_Primitive_Proc *)o)->mu.maxa))
|| inlineable_struct_prim(o, jitter, n, n));
}
static int generate_inlined_constant_test(mz_jit_state *jitter, Scheme_App2_Rec *app,
Scheme_Object *cnst, Scheme_Object *cnst2,
Branch_Info *for_branch, int branch_short,
int dest)
/* de-sync'd ok */
{
GC_CAN_IGNORE jit_insn *ref, *ref2;
LOG_IT(("inlined %s\n", ((Scheme_Primitive_Proc *)app->rator)->name));
mz_runstack_skipped(jitter, 1);
scheme_generate_non_tail(app->rand, jitter, 0, 1, 0);
CHECK_LIMIT();
mz_runstack_unskipped(jitter, 1);
mz_rs_sync();
__START_SHORT_JUMPS__(branch_short);
if (for_branch) {
scheme_prepare_branch_jump(jitter, for_branch);
CHECK_LIMIT();
}
if (cnst2) {
ref2 = jit_beqi_p(jit_forward(), JIT_R0, cnst);
ref = jit_bnei_p(jit_forward(), JIT_R0, cnst2);
mz_patch_branch(ref2);
} else {
ref = jit_bnei_p(jit_forward(), JIT_R0, cnst);
}
if (for_branch) {
scheme_add_branch_false(for_branch, ref);
scheme_branch_for_true(jitter, for_branch);
CHECK_LIMIT();
} else {
(void)jit_movi_p(dest, scheme_true);
ref2 = jit_jmpi(jit_forward());
mz_patch_branch(ref);
(void)jit_movi_p(dest, scheme_false);
mz_patch_ucbranch(ref2);
}
__END_SHORT_JUMPS__(branch_short);
return 1;
}
static int generate_inlined_type_test(mz_jit_state *jitter, Scheme_App2_Rec *app,
Scheme_Type lo_ty, Scheme_Type hi_ty, int can_chaperone,
Branch_Info *for_branch, int branch_short,
int dest)
{
GC_CAN_IGNORE jit_insn *ref, *ref2, *ref3, *ref4, *ref5;
int int_ok, reg_valid;
int_ok = ((lo_ty <= scheme_integer_type) && (scheme_integer_type <= hi_ty));
LOG_IT(("inlined %s\n", ((Scheme_Primitive_Proc *)app->rator)->name));
mz_runstack_skipped(jitter, 1);
scheme_generate_non_tail(app->rand, jitter, 0, 1, 0);
CHECK_LIMIT();
mz_runstack_unskipped(jitter, 1);
mz_rs_sync();
__START_SHORT_JUMPS__(branch_short);
reg_valid = 0;
if (for_branch) {
reg_valid = mz_CURRENT_REG_STATUS_VALID();
scheme_prepare_branch_jump(jitter, for_branch);
CHECK_LIMIT();
}
if ((lo_ty == scheme_integer_type) && (scheme_integer_type == hi_ty)) {
ref3 = jit_bmci_ul(jit_forward(), JIT_R0, 0x1);
ref4 = NULL;
ref = NULL;
ref5 = NULL;
#ifdef jit_bxnei_s
} else if (!can_chaperone && (lo_ty == hi_ty)) {
ref = jit_bmsi_ul(jit_forward(), JIT_R0, 0x1);
ref3 = jit_bxnei_s(jit_forward(), JIT_R0, lo_ty);
ref4 = NULL;
ref5 = NULL;
#endif
} else {
ref = jit_bmsi_ul(jit_forward(), JIT_R0, 0x1);
jit_ldxi_s(JIT_R1, JIT_R0, &((Scheme_Object *)0x0)->type);
if (can_chaperone > 0) {
__START_INNER_TINY__(branch_short);
ref3 = jit_bnei_i(jit_forward(), JIT_R1, scheme_chaperone_type);
jit_ldxi_p(JIT_R1, JIT_R0, (intptr_t)&((Scheme_Chaperone *)0x0)->val);
jit_ldxi_s(JIT_R1, JIT_R1, &((Scheme_Object *)0x0)->type);
mz_patch_branch(ref3);
CHECK_LIMIT();
__END_INNER_TINY__(branch_short);
}
if (lo_ty == hi_ty) {
ref3 = jit_bnei_i(jit_forward(), JIT_R1, lo_ty);
ref4 = NULL;
} else {
ref3 = jit_blti_i(jit_forward(), JIT_R1, lo_ty);
ref4 = jit_bgti_i(jit_forward(), JIT_R1, hi_ty);
}
if (can_chaperone < 0) {
/* Make sure it's not a impersonator */
jit_ldxi_s(JIT_R1, JIT_R0, (intptr_t)&SCHEME_CHAPERONE_FLAGS((Scheme_Chaperone *)0x0));
ref5 = jit_bmsi_i(jit_forward(), JIT_R1, SCHEME_CHAPERONE_IS_IMPERSONATOR);
} else
ref5 = NULL;
if (int_ok) {
mz_patch_branch(ref);
}
}
if (for_branch) {
if (!int_ok) {
scheme_add_branch_false(for_branch, ref);
}
scheme_add_branch_false(for_branch, ref3);
scheme_add_branch_false(for_branch, ref4);
scheme_add_branch_false(for_branch, ref5);
/* In case true is a fall-through, note that the test
didn't disturb R0: */
mz_SET_R0_STATUS_VALID(reg_valid);
scheme_branch_for_true(jitter, for_branch);
CHECK_LIMIT();
} else {
(void)jit_movi_p(dest, scheme_true);
ref2 = jit_jmpi(jit_forward());
if (!int_ok) {
mz_patch_branch(ref);
}
mz_patch_branch(ref3);
if (ref4) {
mz_patch_branch(ref4);
}
if (ref5) {
mz_patch_branch(ref5);
}
(void)jit_movi_p(dest, scheme_false);
mz_patch_ucbranch(ref2);
}
__END_SHORT_JUMPS__(branch_short);
return 1;
}
static Scheme_Object *extract_struct_constant(mz_jit_state *jitter, Scheme_Object *rator)
{
if (SCHEME_PROCP(rator))
return rator;
if (SAME_TYPE(SCHEME_TYPE(rator), scheme_toplevel_type)
&& (SCHEME_TOPLEVEL_FLAGS(rator) & SCHEME_TOPLEVEL_FLAGS_MASK) >= SCHEME_TOPLEVEL_CONST) {
rator = scheme_extract_global(rator, jitter->nc, 0);
if (rator)
return ((Scheme_Bucket *)rator)->val;
}
return NULL;
}
static int generate_inlined_struct_op(int kind, mz_jit_state *jitter,
Scheme_Object *rator, Scheme_Object *rand, Scheme_Object *rand2,
Branch_Info *for_branch, int branch_short,
int is_tail, int multi_ok, int result_ignored,
int dest)
/* de-sync'd ok; for branch, sync'd before */
{
GC_CAN_IGNORE jit_insn *ref, *ref2, *refslow;
Scheme_Object *inline_rator;
LOG_IT(("inlined struct op\n"));
if (!rand2) {
scheme_generate_two_args(rator, rand, jitter, 1, 1); /* sync'd below */
CHECK_LIMIT();
} else {
Scheme_Object *args[3];
args[0] = rator;
args[1] = rand;
args[2] = rand2;
scheme_generate_app(NULL, args, 2, 2, jitter, 0, 0, 0, 1); /* sync'd below */
CHECK_LIMIT();
jit_movr_p(JIT_R0, JIT_V1);
mz_rs_ldr(JIT_R1);
mz_rs_ldxi(JIT_V1, 1);
mz_rs_inc(2); /* sync'd below */
mz_runstack_popped(jitter, 2);
}
mz_rs_sync();
/* R0 is [potential] predicate/getter/setting, R1 is struct.
V1 is value for setting. */
if ((kind == INLINE_STRUCT_PROC_PRED)
|| (kind == INLINE_STRUCT_PROC_GET)
|| (kind == INLINE_STRUCT_PROC_SET)) {
inline_rator = extract_struct_constant(jitter, rator);
if (inline_rator && (kind != INLINE_STRUCT_PROC_PRED)) {
__START_SHORT_JUMPS__(1);
ref = jit_bmci_ul(jit_forward(), JIT_R1, 0x1);
if (kind == INLINE_STRUCT_PROC_SET)
scheme_save_struct_temp(jitter, JIT_V1); /* undone immediately, but needed for fall-through */
refslow = jit_get_ip();
if (kind == INLINE_STRUCT_PROC_SET)
scheme_restore_struct_temp(jitter, JIT_V1);
__END_SHORT_JUMPS__(1);
CHECK_LIMIT();
} else {
ref = NULL;
refslow = NULL;
}
} else {
inline_rator = NULL;
ref = NULL;
refslow = NULL;
}
if (for_branch) {
scheme_prepare_branch_jump(jitter, for_branch);
CHECK_LIMIT();
if (!inline_rator) {
__START_SHORT_JUMPS__(for_branch->branch_short);
scheme_add_branch_false_movi(for_branch, jit_patchable_movi_p(JIT_V1, jit_forward()));
__END_SHORT_JUMPS__(for_branch->branch_short);
(void)jit_calli(sjc.struct_pred_branch_code);
__START_SHORT_JUMPS__(for_branch->branch_short);
scheme_branch_for_true(jitter, for_branch);
__END_SHORT_JUMPS__(for_branch->branch_short);
CHECK_LIMIT();
}
} else if (kind == INLINE_STRUCT_PROC_PRED) {
if (!inline_rator) {
if (is_tail) {
(void)jit_calli(sjc.struct_pred_tail_code);
} else if (multi_ok) {
(void)jit_calli(sjc.struct_pred_multi_code);
} else {
(void)jit_calli(sjc.struct_pred_code);
}
}
} else if (kind == INLINE_STRUCT_PROC_GET) {
if (is_tail) {
(void)jit_calli(sjc.struct_get_tail_code);
} else if (multi_ok) {
(void)jit_calli(sjc.struct_get_multi_code);
} else {
(void)jit_calli(sjc.struct_get_code);
}
} else if (kind == INLINE_STRUCT_PROC_SET) {
if (is_tail) {
(void)jit_calli(sjc.struct_set_tail_code);
} else if (multi_ok) {
(void)jit_calli(sjc.struct_set_multi_code);
} else {
(void)jit_calli(sjc.struct_set_code);
}
} else if (kind == INLINE_STRUCT_PROC_PROP_GET) {
if (is_tail) {
(void)jit_calli(sjc.struct_prop_get_tail_code);
} else if (multi_ok) {
(void)jit_calli(sjc.struct_prop_get_multi_code);
} else {
(void)jit_calli(sjc.struct_prop_get_code);
}
} else if (kind == INLINE_STRUCT_PROC_PROP_GET_W_DEFAULT) {
if (is_tail) {
(void)jit_calli(sjc.struct_prop_get_defl_tail_code);
} else if (multi_ok) {
(void)jit_calli(sjc.struct_prop_get_defl_multi_code);
} else {
(void)jit_calli(sjc.struct_prop_get_defl_code);
}
} else if (kind == INLINE_STRUCT_PROC_PROP_PRED) {
if (is_tail) {
(void)jit_calli(sjc.struct_prop_pred_tail_code);
} else if (multi_ok) {
(void)jit_calli(sjc.struct_prop_pred_multi_code);
} else {
(void)jit_calli(sjc.struct_prop_pred_code);
}
} else if (kind == INLINE_STRUCT_PROC_CONSTR) {
scheme_generate_struct_alloc(jitter, rand2 ? 2 : 1, 0, 0, is_tail, multi_ok, JIT_R0);
CHECK_LIMIT();
} else {
scheme_signal_error("internal error: unknown struct-op mode");
}
if (inline_rator) {
int pos, tpos, jkind;
tpos = ((Scheme_Struct_Type *)((Scheme_Primitive_Closure *)inline_rator)->val[0])->name_pos;
if (kind == INLINE_STRUCT_PROC_PRED) {
pos = 0;
} else {
pos = SCHEME_INT_VAL(((Scheme_Primitive_Closure *)inline_rator)->val[1]);
}
if (ref) {
__START_SHORT_JUMPS__(1);
ref2 = jit_jmpi(jit_forward());
mz_patch_branch(ref);
__END_SHORT_JUMPS__(1);
} else
ref2 = NULL;
if (kind == INLINE_STRUCT_PROC_GET)
jkind = 2;
else if (kind == INLINE_STRUCT_PROC_SET) {
scheme_save_struct_temp(jitter, JIT_V1);
jkind = 3;
} else
jkind = 1;
CHECK_LIMIT();
scheme_generate_struct_op(jitter, jkind, !!for_branch,
for_branch, branch_short,
result_ignored,
0, 0,
tpos, pos,
0, refslow, refslow, NULL, NULL);
CHECK_LIMIT();
if (ref2) {
__START_SHORT_JUMPS__(1);
mz_patch_ucbranch(ref2);
__END_SHORT_JUMPS__(1);
}
}
if (!for_branch)
jit_movr_p(dest, JIT_R0);
return 1;
}
#ifdef CAN_INLINE_ALLOC
static int inline_struct_alloc(mz_jit_state *jitter, int c, int inline_slow)
{
return scheme_inline_alloc(jitter,
sizeof(Scheme_Structure) + ((c - mzFLEX_DELTA) * sizeof(Scheme_Object*)),
scheme_structure_type,
0, 1, 0, inline_slow, 0);
}
#endif
static Scheme_Object *alloc_structure(Scheme_Object *_stype, int argc)
#ifdef MZ_USE_FUTURES
XFORM_SKIP_PROC
#endif
{
Scheme_Struct_Type *stype = (Scheme_Struct_Type *)_stype;
Scheme_Structure *inst;
Scheme_Object **args;
int i;
#ifdef MZ_USE_FUTURES
jit_future_storage[0] = stype;
#endif
inst = (Scheme_Structure *)
scheme_malloc_tagged(sizeof(Scheme_Structure)
+ ((argc - mzFLEX_DELTA) * sizeof(Scheme_Object *)));
#ifdef MZ_USE_FUTURES
stype = (Scheme_Struct_Type *)jit_future_storage[0];
if (!inst) {
/* Must be in a future thread */
inst = scheme_rtcall_allocate_structure(argc, stype);
} else
#endif
inst->stype = stype;
inst->so.type = scheme_structure_type;
args = MZ_RUNSTACK;
for (i = 0; i < argc; i++) {
inst->slots[i] = args[i];
}
return (Scheme_Object *)inst;
}
Scheme_Structure *scheme_jit_allocate_structure(int argc, Scheme_Struct_Type *stype)
{
Scheme_Structure *inst;
inst = (Scheme_Structure *)
scheme_malloc_tagged(sizeof(Scheme_Structure)
+ ((argc - mzFLEX_DELTA) * sizeof(Scheme_Object *)));
inst->stype = stype;
return inst;
}
static int generate_inlined_nary_struct_op(int kind, mz_jit_state *jitter,
Scheme_Object *rator, Scheme_App_Rec *app,
Branch_Info *for_branch, int branch_short,
int is_tail, int multi_ok, int dest)
/* de-sync'd ok; for branch, sync'd before */
{
/* generate code to evaluate the arguments */
scheme_generate_app(app, NULL, app->num_args, app->num_args, jitter, 0, 0, 0, 1);
CHECK_LIMIT();
mz_rs_sync();
jit_movr_l(JIT_R0, JIT_V1); /* move rator to R0 */
/* arguments are now on the runstack, rator is in R0 */
scheme_generate_struct_alloc(jitter, app->num_args, 0, 0, is_tail, multi_ok, dest);
CHECK_LIMIT();
if (!is_tail && app->num_args) {
mz_rs_inc(app->num_args);
mz_runstack_popped(jitter, app->num_args);
}
return 1;
}
int scheme_generate_struct_alloc(mz_jit_state *jitter, int num_args,
int inline_slow, int pop_and_jump,
int is_tail, int multi_ok, int dest)
/* Rator is in R0.
For unary case, R1 is argument.
For binary case, R1 is first argument, V1 is second argument.
For nary case, args on are on runstack.
If num_args is -1, nary and R1 has the count.*/
{
GC_CAN_IGNORE jit_insn *ref, *refslow, *refdone;
GC_CAN_IGNORE jit_insn *refrts USED_ONLY_FOR_FUTURES;
int always_slow = 0;
#ifndef CAN_INLINE_ALLOC
if (!inline_slow)
always_slow = 1;
#endif
if (pop_and_jump) {
mz_prolog(JIT_R2);
}
__START_SHORT_JUMPS__(1);
if (!always_slow) {
ref = jit_bmci_ul(jit_forward(), JIT_R0, 0x1);
CHECK_LIMIT();
} else
ref = NULL;
/* Slow path: non-struct-prop proc, or argument type is
bad for a getter. */
refslow = jit_get_ip();
if (inline_slow) {
if (num_args == 1) {
jit_subi_p(JIT_RUNSTACK, JIT_RUNSTACK, WORDS_TO_BYTES(1));
CHECK_RUNSTACK_OVERFLOW();
JIT_UPDATE_THREAD_RSPTR();
jit_str_p(JIT_RUNSTACK, JIT_R1);
jit_movi_i(JIT_V1, 1);
num_args = 1;
} else if (num_args == 2) {
jit_subi_p(JIT_RUNSTACK, JIT_RUNSTACK, WORDS_TO_BYTES(2));
CHECK_RUNSTACK_OVERFLOW();
JIT_UPDATE_THREAD_RSPTR();
jit_str_p(JIT_RUNSTACK, JIT_R1);
jit_stxi_p(WORDS_TO_BYTES(1), JIT_RUNSTACK, JIT_V1);
jit_movi_i(JIT_V1, 2);
num_args = 2;
} else {
JIT_UPDATE_THREAD_RSPTR();
if (num_args == -1)
jit_movr_i(JIT_V1, JIT_R1);
else
jit_movi_i(JIT_V1, num_args);
num_args = -1;
}
CHECK_LIMIT();
jit_prepare(3);
jit_pusharg_p(JIT_RUNSTACK);
jit_pusharg_i(JIT_V1);
jit_pusharg_p(JIT_R0);
if (is_tail) {
scheme_generate_finish_tail_apply(jitter);
} else if (multi_ok) {
scheme_generate_finish_multi_apply(jitter);
} else {
scheme_generate_finish_apply(jitter);
}
CHECK_LIMIT();
jit_retval(dest);
VALIDATE_RESULT(dest);
if ((num_args == 1) || (num_args == 2)) {
jit_addi_p(JIT_RUNSTACK, JIT_RUNSTACK, WORDS_TO_BYTES(num_args));
JIT_UPDATE_THREAD_RSPTR();
}
} else {
if (num_args == 1) {
if (is_tail)
(void)jit_calli(sjc.struct_constr_unary_tail_code);
else if (multi_ok)
(void)jit_calli(sjc.struct_constr_unary_multi_code);
else
(void)jit_calli(sjc.struct_constr_unary_code);
} else if (num_args == 2) {
if (is_tail)
(void)jit_calli(sjc.struct_constr_binary_tail_code);
else if (multi_ok)
(void)jit_calli(sjc.struct_constr_binary_multi_code);
else
(void)jit_calli(sjc.struct_constr_binary_code);
} else {
if (num_args != -1) {
jit_movi_l(JIT_R1, num_args);
}
if (is_tail)
(void)jit_calli(sjc.struct_constr_nary_tail_code);
else if (multi_ok)
(void)jit_calli(sjc.struct_constr_nary_multi_code);
else
(void)jit_calli(sjc.struct_constr_nary_code);
}
jit_movr_p(dest, JIT_R0);
}
if (pop_and_jump) {
mz_epilog(JIT_V1);
refdone = NULL;
} else if (!always_slow) {
__END_SHORT_JUMPS__(1);
refdone = jit_jmpi(jit_forward());
__START_SHORT_JUMPS__(1);
} else
refdone = NULL;
CHECK_LIMIT();
if (always_slow) {
__END_SHORT_JUMPS__(1);
return 1;
}
/* Continue trying fast path: check proc */
mz_patch_branch(ref);
(void)mz_bnei_t(refslow, JIT_R0, scheme_prim_type, JIT_R2);
jit_ldxi_s(JIT_R2, JIT_R0, &((Scheme_Primitive_Proc *)0x0)->pp.flags);
jit_andi_i(JIT_R2, JIT_R2, SCHEME_PRIM_OTHER_TYPE_MASK);
(void)jit_bnei_i(refslow, JIT_R2, SCHEME_PRIM_STRUCT_TYPE_SIMPLE_CONSTR);
CHECK_LIMIT();
jit_ldxi_p(JIT_R2, JIT_R0, &(SCHEME_PRIM_CLOSURE_ELS(0x0)[0]));
/* R2 now has the Scheme_Struct_Type* */
if (num_args != 2) {
/* V1 is available */
jit_ldxi_i(JIT_V1, JIT_R2, &((Scheme_Struct_Type *)0x0)->num_slots);
if (num_args == -1)
(void)jit_bner_i(refslow, JIT_V1, JIT_R1);
else
(void)jit_bnei_i(refslow, JIT_V1, num_args);
} else {
/* No registers available, so we'll have to re-extract to R2 */
jit_ldxi_i(JIT_R2, JIT_R2, &((Scheme_Struct_Type *)0x0)->num_slots);
(void)jit_bnei_i(refslow, JIT_R2, num_args);
jit_ldxi_p(JIT_R2, JIT_R0, &(SCHEME_PRIM_CLOSURE_ELS(0x0)[0]));
}
CHECK_LIMIT();
/* It's a simple constructor expecting the given arguments. */
__END_SHORT_JUMPS__(1);
if ((num_args == 1) || (num_args == 2)) {
if (num_args == 2) {
/* save second argument on runstack */
jit_subi_p(JIT_RUNSTACK, JIT_RUNSTACK, WORDS_TO_BYTES(1));
jit_str_p(JIT_RUNSTACK, JIT_V1);
}
#ifdef CAN_INLINE_ALLOC
jit_movr_p(JIT_R0, JIT_R2);
inline_struct_alloc(jitter, num_args, inline_slow);
/* allocation result is in V1 */
jit_stxi_p((intptr_t)&((Scheme_Structure *)0x0)->stype + OBJHEAD_SIZE, JIT_V1, JIT_R0);
jit_stxi_p((intptr_t)&(((Scheme_Structure *)0x0)->slots[0]) + OBJHEAD_SIZE, JIT_V1, JIT_R1);
if (num_args == 2) {
/* second argument was saved on runstack */
jit_ldr_p(JIT_R1, JIT_RUNSTACK);
jit_addi_p(JIT_RUNSTACK, JIT_RUNSTACK, WORDS_TO_BYTES(1));
jit_stxi_p((intptr_t)&(((Scheme_Structure *)0x0)->slots[1]) + OBJHEAD_SIZE, JIT_V1, JIT_R1);
}
jit_addi_p(dest, JIT_V1, OBJHEAD_SIZE);
#else
jit_subi_p(JIT_RUNSTACK, JIT_RUNSTACK, WORDS_TO_BYTES(1));
CHECK_RUNSTACK_OVERFLOW();
JIT_UPDATE_THREAD_RSPTR();
jit_str_p(JIT_RUNSTACK, JIT_R1);
jit_movi_i(JIT_V1, num_args);
jit_prepare(2);
jit_pusharg_i(JIT_V1);
jit_pusharg_p(JIT_R2);
(void)mz_finish_lwe(alloc_structure, refrts);
jit_retval(dest);
jit_addi_p(JIT_RUNSTACK, JIT_RUNSTACK, WORDS_TO_BYTES(num_args));
JIT_UPDATE_THREAD_RSPTR();
#endif
} else if (num_args == -1) {
JIT_UPDATE_THREAD_RSPTR();
jit_prepare(2);
jit_pusharg_i(JIT_R1);
jit_pusharg_p(JIT_R2);
(void)mz_finish_lwe(alloc_structure, refrts);
jit_retval(dest);
} else {
#ifdef CAN_INLINE_ALLOC
int i;
jit_movr_p(JIT_R0, JIT_R2);
(void)jit_movi_p(JIT_R1, 0); /* clear register that might get saved as a pointer */
inline_struct_alloc(jitter, num_args, inline_slow);
/* allocation result is in V1 */
jit_stxi_p((intptr_t)&((Scheme_Structure *)0x0)->stype + OBJHEAD_SIZE, JIT_V1, JIT_R0);
for (i = 0; i < num_args; i++) {
jit_ldxi_p(JIT_R1, JIT_RUNSTACK, WORDS_TO_BYTES(i));
jit_stxi_p((intptr_t)&(((Scheme_Structure *)0x0)->slots[0]) + OBJHEAD_SIZE + WORDS_TO_BYTES(i), JIT_V1, JIT_R1);
CHECK_LIMIT();
}
jit_addi_p(dest, JIT_V1, OBJHEAD_SIZE);
#else
JIT_UPDATE_THREAD_RSPTR();
jit_movi_l(JIT_R1, num_args);
jit_prepare(2);
jit_pusharg_i(JIT_R1);
jit_pusharg_p(JIT_R2);
(void)mz_finish_lwe(alloc_structure, refrts);
jit_retval(dest);
#endif
}
CHECK_LIMIT();
if (pop_and_jump) {
mz_epilog(JIT_V1);
} else {
mz_patch_ucbranch(refdone);
}
return 1;
}
static int is_cXr_prim(const char *name)
{
int i;
if (name[0] != 'c') return 0;
for (i = 1; (name[i] == 'a') || (name[i] == 'd'); i++) { }
if (name[i] != 'r') return 0;
return !name[i+1];
}
static int generate_inlined_constant_varref_test(mz_jit_state *jitter, Scheme_Object *obj,
Branch_Info *for_branch, int branch_short,
int dest)
{
GC_CAN_IGNORE jit_insn *ref1, *ref2;
int pos;
if (SCHEME_VARREF_FLAGS(obj) & 0x1) {
(void)jit_movi_p(dest, scheme_true);
return 1;
}
mz_runstack_skipped(jitter, 1);
obj = SCHEME_PTR1_VAL(obj);
/* Load global array: */
pos = mz_remap(SCHEME_TOPLEVEL_DEPTH(obj));
mz_rs_ldxi(JIT_R2, pos);
/* Load bucket: */
pos = SCHEME_TOPLEVEL_POS(obj);
jit_ldxi_p(JIT_R1, JIT_R2, &(((Scheme_Prefix *)0x0)->a[pos]));
CHECK_LIMIT();
mz_runstack_unskipped(jitter, 1);
mz_rs_sync();
__START_SHORT_JUMPS__(branch_short);
if (for_branch) {
scheme_prepare_branch_jump(jitter, for_branch);
CHECK_LIMIT();
}
jit_ldxi_s(JIT_R1, JIT_R1, &((Scheme_Bucket_With_Flags *)0x0)->flags);
ref1 = jit_bmci_ul(jit_forward(), JIT_R1, GLOB_IS_IMMUTATED);
CHECK_LIMIT();
if (for_branch) {
scheme_add_branch_false(for_branch, ref1);
scheme_branch_for_true(jitter, for_branch);
} else {
(void)jit_movi_p(dest, scheme_true);
ref2 = jit_jmpi(jit_forward());
mz_patch_branch(ref1);
(void)jit_movi_p(dest, scheme_false);
mz_patch_ucbranch(ref2);
}
CHECK_LIMIT();
__END_SHORT_JUMPS__(branch_short);
return 1;
}
static int generate_vector_alloc(mz_jit_state *jitter, Scheme_Object *rator,
Scheme_App_Rec *app, Scheme_App2_Rec *app2, Scheme_App3_Rec *app3,
int dest);
int scheme_generate_inlined_unary(mz_jit_state *jitter, Scheme_App2_Rec *app, int is_tail, int multi_ok,
Branch_Info *for_branch, int branch_short, int result_ignored,
int dest)
/* de-sync's, unless branch */
{
Scheme_Object *rator = app->rator;
rator = scheme_specialize_to_constant(rator, jitter, 1);
{
int k;
k = inlineable_struct_prim(rator, jitter, 1, 1);
if (k == INLINE_STRUCT_PROC_PRED) {
generate_inlined_struct_op(1, jitter, rator, app->rand, NULL, for_branch, branch_short, is_tail, multi_ok,
result_ignored, dest);
scheme_direct_call_count++;
return 1;
} else if (((k == INLINE_STRUCT_PROC_GET)
|| (k == INLINE_STRUCT_PROC_PROP_GET)
|| (k == INLINE_STRUCT_PROC_PROP_PRED)
|| (k == INLINE_STRUCT_PROC_CONSTR))
&& !for_branch) {
generate_inlined_struct_op(k, jitter, rator, app->rand, NULL, for_branch, branch_short, is_tail, multi_ok,
result_ignored, dest);
scheme_direct_call_count++;
return 1;
}
}
if (SAME_OBJ(rator, scheme_varref_const_p_proc)
&& SAME_TYPE(SCHEME_TYPE(app->rand), scheme_varref_form_type)) {
generate_inlined_constant_varref_test(jitter, app->rand, for_branch, branch_short, dest);
return 1;
}
if (!SCHEME_PRIMP(rator))
return 0;
if (!(SCHEME_PRIM_PROC_OPT_FLAGS(rator) & SCHEME_PRIM_IS_UNARY_INLINED))
return 0;
scheme_direct_call_count++;
if (IS_NAMED_PRIM(rator, "not")) {
generate_inlined_constant_test(jitter, app, scheme_false, NULL, for_branch, branch_short, dest);
return 1;
} else if (IS_NAMED_PRIM(rator, "null?")) {
generate_inlined_constant_test(jitter, app, scheme_null, NULL, for_branch, branch_short, dest);
return 1;
} else if (IS_NAMED_PRIM(rator, "void?")) {
generate_inlined_constant_test(jitter, app, scheme_void, NULL, for_branch, branch_short, dest);
return 1;
} else if (IS_NAMED_PRIM(rator, "pair?")) {
generate_inlined_type_test(jitter, app, scheme_pair_type, scheme_pair_type, 0, for_branch, branch_short, dest);