1 /* Copyright (C) 2001, 2009, 2010, 2011 Free Software Foundation, Inc.
3 * This library is free software; you can redistribute it and/or
4 * modify it under the terms of the GNU Lesser General Public License
5 * as published by the Free Software Foundation; either version 3 of
6 * the License, or (at your option) any later version.
8 * This library is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * Lesser General Public License for more details.
13 * You should have received a copy of the GNU Lesser General Public
14 * License along with this library; if not, write to the Free Software
15 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19 /* This file is included in vm_engine.c */
26 #define ARGS1(a1) SCM a1 = sp[0];
27 #define ARGS2(a1,a2) SCM a1 = sp[-1], a2 = sp[0]; sp--; NULLSTACK (1);
28 #define ARGS3(a1,a2,a3) SCM a1 = sp[-2], a2 = sp[-1], a3 = sp[0]; sp -= 2; NULLSTACK (2);
30 #define RETURN(x) do { *sp = x; NEXT; } while (0)
32 VM_DEFINE_FUNCTION (128, not, "not", 1)
35 RETURN (scm_from_bool (scm_is_false (x
)));
38 VM_DEFINE_FUNCTION (129, not_not
, "not-not", 1)
41 RETURN (scm_from_bool (!scm_is_false (x
)));
44 VM_DEFINE_FUNCTION (130, eq
, "eq?", 2)
47 RETURN (scm_from_bool (scm_is_eq (x
, y
)));
50 VM_DEFINE_FUNCTION (131, not_eq, "not-eq?", 2)
53 RETURN (scm_from_bool (!scm_is_eq (x
, y
)));
56 VM_DEFINE_FUNCTION (132, nullp
, "null?", 1)
59 RETURN (scm_from_bool (scm_is_null (x
)));
62 VM_DEFINE_FUNCTION (133, not_nullp
, "not-null?", 1)
65 RETURN (scm_from_bool (!scm_is_null (x
)));
68 VM_DEFINE_FUNCTION (134, eqv
, "eqv?", 2)
73 if (SCM_IMP (x
) || SCM_IMP (y
))
76 RETURN (scm_eqv_p (x
, y
));
79 VM_DEFINE_FUNCTION (135, equal
, "equal?", 2)
84 if (SCM_IMP (x
) || SCM_IMP (y
))
87 RETURN (scm_equal_p (x
, y
));
90 VM_DEFINE_FUNCTION (136, pairp
, "pair?", 1)
93 RETURN (scm_from_bool (scm_is_pair (x
)));
96 VM_DEFINE_FUNCTION (137, listp
, "list?", 1)
99 RETURN (scm_from_bool (scm_ilength (x
) >= 0));
102 VM_DEFINE_FUNCTION (138, symbolp
, "symbol?", 1)
105 RETURN (scm_from_bool (scm_is_symbol (x
)));
108 VM_DEFINE_FUNCTION (139, vectorp
, "vector?", 1)
111 RETURN (scm_from_bool (SCM_I_IS_VECTOR (x
)));
119 VM_DEFINE_FUNCTION (140, cons
, "cons", 2)
126 #define VM_VALIDATE_CONS(x, proc) \
127 if (SCM_UNLIKELY (!scm_is_pair (x))) \
128 { func_name = proc; \
130 goto vm_error_not_a_pair; \
133 VM_DEFINE_FUNCTION (141, car
, "car", 1)
136 VM_VALIDATE_CONS (x
, "car");
137 RETURN (SCM_CAR (x
));
140 VM_DEFINE_FUNCTION (142, cdr
, "cdr", 1)
143 VM_VALIDATE_CONS (x
, "cdr");
144 RETURN (SCM_CDR (x
));
147 VM_DEFINE_INSTRUCTION (143, set_car
, "set-car!", 0, 2, 0)
151 VM_VALIDATE_CONS (x
, "set-car!");
156 VM_DEFINE_INSTRUCTION (144, set_cdr
, "set-cdr!", 0, 2, 0)
160 VM_VALIDATE_CONS (x
, "set-cdr!");
167 * Numeric relational tests
171 #define REL(crel,srel) \
174 if (SCM_I_INUMP (x) && SCM_I_INUMP (y)) \
175 RETURN (scm_from_bool (((scm_t_signed_bits) SCM_UNPACK (x)) \
176 crel ((scm_t_signed_bits) SCM_UNPACK (y)))); \
178 RETURN (srel (x, y)); \
181 VM_DEFINE_FUNCTION (145, ee
, "ee?", 2)
183 REL (==, scm_num_eq_p
);
186 VM_DEFINE_FUNCTION (146, lt
, "lt?", 2)
191 VM_DEFINE_FUNCTION (147, le
, "le?", 2)
196 VM_DEFINE_FUNCTION (148, gt
, "gt?", 2)
201 VM_DEFINE_FUNCTION (149, ge
, "ge?", 2)
211 /* The maximum/minimum tagged integers. */
214 #define INUM_MAX (INTPTR_MAX - 1)
215 #define INUM_MIN (INTPTR_MIN + scm_tc2_int)
218 #define FUNC2(CFUNC,SFUNC) \
221 if (SCM_I_INUMP (x) && SCM_I_INUMP (y)) \
223 scm_t_int64 n = SCM_I_INUM (x) CFUNC SCM_I_INUM (y);\
224 if (SCM_FIXABLE (n)) \
225 RETURN (SCM_I_MAKINUM (n)); \
228 RETURN (SFUNC (x, y)); \
231 /* Assembly tagged integer arithmetic routines. This code uses the
232 `asm goto' feature introduced in GCC 4.5. */
234 #if defined __x86_64__ && SCM_GNUC_PREREQ (4, 5)
236 /* The macros below check the CPU's overflow flag to improve fixnum
237 arithmetic. The %rcx register is explicitly clobbered because `asm
238 goto' can't have outputs, in which case the `r' constraint could be
239 used to let the register allocator choose a register.
241 TODO: Use `cold' label attribute in GCC 4.6.
242 http://gcc.gnu.org/ml/gcc-patches/2010-10/msg01777.html */
244 # define ASM_ADD(x, y) \
246 asm volatile goto ("mov %1, %%rcx; " \
247 "test %[tag], %%cl; je %l[slow_add]; " \
248 "test %[tag], %0; je %l[slow_add]; " \
249 "add %0, %%rcx; jo %l[slow_add]; " \
250 "sub %[tag], %%rcx; " \
251 "mov %%rcx, (%[vsp])\n" \
253 : "r" (x), "r" (y), \
254 [vsp] "r" (sp), [tag] "i" (scm_tc2_int) \
262 # define ASM_SUB(x, y) \
264 asm volatile goto ("mov %0, %%rcx; " \
265 "test %[tag], %%cl; je %l[slow_sub]; " \
266 "test %[tag], %1; je %l[slow_sub]; " \
267 "sub %1, %%rcx; jo %l[slow_sub]; " \
268 "add %[tag], %%rcx; " \
269 "mov %%rcx, (%[vsp])\n" \
271 : "r" (x), "r" (y), \
272 [vsp] "r" (sp), [tag] "i" (scm_tc2_int) \
283 VM_DEFINE_FUNCTION (150, add
, "add", 2)
291 RETURN (scm_sum (x
, y
));
295 VM_DEFINE_FUNCTION (151, add1
, "add1", 1)
299 /* Check for overflow. */
300 if (SCM_LIKELY ((scm_t_intptr
) SCM_UNPACK (x
) < INUM_MAX
))
304 /* Add the integers without untagging. */
305 result
= SCM_PACK ((scm_t_intptr
) SCM_UNPACK (x
)
306 + (scm_t_intptr
) SCM_UNPACK (SCM_I_MAKINUM (1))
309 if (SCM_LIKELY (SCM_I_INUMP (result
)))
314 RETURN (scm_sum (x
, SCM_I_MAKINUM (1)));
317 VM_DEFINE_FUNCTION (152, sub
, "sub", 2)
320 FUNC2 (-, scm_difference
);
325 RETURN (scm_difference (x
, y
));
329 VM_DEFINE_FUNCTION (153, sub1
, "sub1", 1)
333 /* Check for underflow. */
334 if (SCM_LIKELY ((scm_t_intptr
) SCM_UNPACK (x
) > INUM_MIN
))
338 /* Substract the integers without untagging. */
339 result
= SCM_PACK ((scm_t_intptr
) SCM_UNPACK (x
)
340 - (scm_t_intptr
) SCM_UNPACK (SCM_I_MAKINUM (1))
343 if (SCM_LIKELY (SCM_I_INUMP (result
)))
348 RETURN (scm_difference (x
, SCM_I_MAKINUM (1)));
354 VM_DEFINE_FUNCTION (154, mul
, "mul", 2)
358 RETURN (scm_product (x
, y
));
361 VM_DEFINE_FUNCTION (155, div
, "div", 2)
365 RETURN (scm_divide (x
, y
));
368 VM_DEFINE_FUNCTION (156, quo
, "quo", 2)
372 RETURN (scm_quotient (x
, y
));
375 VM_DEFINE_FUNCTION (157, rem
, "rem", 2)
379 RETURN (scm_remainder (x
, y
));
382 VM_DEFINE_FUNCTION (158, mod
, "mod", 2)
386 RETURN (scm_modulo (x
, y
));
389 VM_DEFINE_FUNCTION (159, ash
, "ash", 2)
392 if (SCM_I_INUMP (x
) && SCM_I_INUMP (y
))
394 if (SCM_I_INUM (y
) < 0)
395 /* Right shift, will be a fixnum. */
396 RETURN (SCM_I_MAKINUM (SCM_I_INUM (x
) >> -SCM_I_INUM (y
)));
398 /* Left shift. See comments in scm_ash. */
400 scm_t_signed_bits nn
, bits_to_shift
;
403 bits_to_shift
= SCM_I_INUM (y
);
405 if (bits_to_shift
< SCM_I_FIXNUM_BIT
-1
407 (SCM_SRS (nn
, (SCM_I_FIXNUM_BIT
-1 - bits_to_shift
)) + 1)
409 RETURN (SCM_I_MAKINUM (nn
<< bits_to_shift
));
415 RETURN (scm_ash (x
, y
));
418 VM_DEFINE_FUNCTION (160, logand
, "logand", 2)
421 if (SCM_I_INUMP (x
) && SCM_I_INUMP (y
))
422 RETURN (SCM_I_MAKINUM (SCM_I_INUM (x
) & SCM_I_INUM (y
)));
424 RETURN (scm_logand (x
, y
));
427 VM_DEFINE_FUNCTION (161, logior
, "logior", 2)
430 if (SCM_I_INUMP (x
) && SCM_I_INUMP (y
))
431 RETURN (SCM_I_MAKINUM (SCM_I_INUM (x
) | SCM_I_INUM (y
)));
433 RETURN (scm_logior (x
, y
));
436 VM_DEFINE_FUNCTION (162, logxor
, "logxor", 2)
439 if (SCM_I_INUMP (x
) && SCM_I_INUMP (y
))
440 RETURN (SCM_I_MAKINUM (SCM_I_INUM (x
) ^ SCM_I_INUM (y
)));
442 RETURN (scm_logxor (x
, y
));
450 VM_DEFINE_FUNCTION (163, vector_ref
, "vector-ref", 2)
452 scm_t_signed_bits i
= 0;
454 if (SCM_LIKELY (SCM_I_IS_NONWEAK_VECTOR (vect
)
456 && ((i
= SCM_I_INUM (idx
)) >= 0)
457 && i
< SCM_I_VECTOR_LENGTH (vect
)))
458 RETURN (SCM_I_VECTOR_ELTS (vect
)[i
]);
462 RETURN (scm_vector_ref (vect
, idx
));
466 VM_DEFINE_INSTRUCTION (164, vector_set
, "vector-set", 0, 3, 0)
468 scm_t_signed_bits i
= 0;
470 POP3 (val
, idx
, vect
);
471 if (SCM_LIKELY (SCM_I_IS_NONWEAK_VECTOR (vect
)
473 && ((i
= SCM_I_INUM (idx
)) >= 0)
474 && i
< SCM_I_VECTOR_LENGTH (vect
)))
475 SCM_I_VECTOR_WELTS (vect
)[i
] = val
;
479 scm_vector_set_x (vect
, idx
, val
);
484 VM_DEFINE_INSTRUCTION (165, make_array
, "make-array", 3, -1, 1)
490 len
= (len
<< 8) + FETCH ();
491 len
= (len
<< 8) + FETCH ();
494 PRE_CHECK_UNDERFLOW (len
);
495 ret
= scm_from_contiguous_array (shape
, sp
- len
+ 1, len
);
505 #define VM_VALIDATE_STRUCT(obj, proc) \
506 if (SCM_UNLIKELY (!SCM_STRUCTP (obj))) \
509 finish_args = (obj); \
510 goto vm_error_not_a_struct; \
513 VM_DEFINE_FUNCTION (166, struct_p
, "struct?", 1)
516 RETURN (scm_from_bool (SCM_STRUCTP (obj
)));
519 VM_DEFINE_FUNCTION (167, struct_vtable
, "struct-vtable", 1)
522 VM_VALIDATE_STRUCT (obj
, "struct_vtable");
523 RETURN (SCM_STRUCT_VTABLE (obj
));
526 VM_DEFINE_INSTRUCTION (168, make_struct
, "make-struct", 2, -1, 1)
528 unsigned h
= FETCH ();
529 unsigned l
= FETCH ();
530 scm_t_bits n
= ((h
<< 8U) + l
);
531 SCM vtable
= sp
[-(n
- 1)];
532 const SCM
*inits
= sp
- n
+ 2;
537 if (SCM_LIKELY (SCM_STRUCTP (vtable
)
538 && SCM_VTABLE_FLAG_IS_SET (vtable
, SCM_VTABLE_FLAG_SIMPLE
)
539 && (SCM_STRUCT_DATA_REF (vtable
, scm_vtable_index_size
) + 1
541 && !SCM_VTABLE_INSTANCE_FINALIZER (vtable
)))
543 /* Verily, we are making a simple struct with the right number of
544 initializers, and no finalizer. */
545 ret
= scm_words ((scm_t_bits
)SCM_STRUCT_DATA (vtable
) | scm_tc3_struct
,
547 SCM_SET_CELL_WORD_1 (ret
, (scm_t_bits
)SCM_CELL_OBJECT_LOC (ret
, 2));
548 memcpy (SCM_STRUCT_DATA (ret
), inits
, (n
- 1) * sizeof (SCM
));
551 ret
= scm_c_make_structv (vtable
, 0, n
- 1, (scm_t_bits
*) inits
);
559 VM_DEFINE_FUNCTION (169, struct_ref
, "struct-ref", 2)
563 if (SCM_LIKELY (SCM_STRUCTP (obj
)
564 && SCM_STRUCT_VTABLE_FLAG_IS_SET (obj
,
565 SCM_VTABLE_FLAG_SIMPLE
)
566 && SCM_I_INUMP (pos
)))
569 scm_t_bits index
, len
;
571 /* True, an inum is a signed value, but cast to unsigned it will
572 certainly be more than the length, so we will fall through if
573 index is negative. */
574 index
= SCM_I_INUM (pos
);
575 vtable
= SCM_STRUCT_VTABLE (obj
);
576 len
= SCM_STRUCT_DATA_REF (vtable
, scm_vtable_index_size
);
578 if (SCM_LIKELY (index
< len
))
580 scm_t_bits
*data
= SCM_STRUCT_DATA (obj
);
581 RETURN (SCM_PACK (data
[index
]));
586 RETURN (scm_struct_ref (obj
, pos
));
589 VM_DEFINE_FUNCTION (170, struct_set
, "struct-set", 3)
591 ARGS3 (obj
, pos
, val
);
593 if (SCM_LIKELY (SCM_STRUCTP (obj
)
594 && SCM_STRUCT_VTABLE_FLAG_IS_SET (obj
,
595 SCM_VTABLE_FLAG_SIMPLE
)
596 && SCM_STRUCT_VTABLE_FLAG_IS_SET (obj
,
597 SCM_VTABLE_FLAG_SIMPLE_RW
)
598 && SCM_I_INUMP (pos
)))
601 scm_t_bits index
, len
;
603 /* See above regarding index being >= 0. */
604 index
= SCM_I_INUM (pos
);
605 vtable
= SCM_STRUCT_VTABLE (obj
);
606 len
= SCM_STRUCT_DATA_REF (vtable
, scm_vtable_index_size
);
607 if (SCM_LIKELY (index
< len
))
609 scm_t_bits
*data
= SCM_STRUCT_DATA (obj
);
610 data
[index
] = SCM_UNPACK (val
);
616 RETURN (scm_struct_set_x (obj
, pos
, val
));
623 VM_DEFINE_FUNCTION (171, class_of
, "class-of", 1)
626 if (SCM_INSTANCEP (obj
))
627 RETURN (SCM_CLASS_OF (obj
));
629 RETURN (scm_class_of (obj
));
632 /* FIXME: No checking whatsoever. */
633 VM_DEFINE_FUNCTION (172, slot_ref
, "slot-ref", 2)
636 ARGS2 (instance
, idx
);
637 slot
= SCM_I_INUM (idx
);
638 RETURN (SCM_PACK (SCM_STRUCT_DATA (instance
) [slot
]));
641 /* FIXME: No checking whatsoever. */
642 VM_DEFINE_INSTRUCTION (173, slot_set
, "slot-set", 0, 3, 0)
644 SCM instance
, idx
, val
;
646 POP3 (val
, idx
, instance
);
647 slot
= SCM_I_INUM (idx
);
648 SCM_STRUCT_DATA (instance
) [slot
] = SCM_UNPACK (val
);
656 #define VM_VALIDATE_BYTEVECTOR(x, proc) \
659 if (SCM_UNLIKELY (!SCM_BYTEVECTOR_P (x))) \
663 goto vm_error_not_a_bytevector; \
668 #define BV_REF_WITH_ENDIANNESS(stem, fn_stem) \
672 if (scm_is_eq (endianness, scm_i_native_endianness)) \
673 goto VM_LABEL (bv_##stem##_native_ref); \
677 RETURN (scm_bytevector_##fn_stem##_ref (bv, idx, endianness)); \
681 /* Return true (non-zero) if PTR has suitable alignment for TYPE. */
682 #define ALIGNED_P(ptr, type) \
683 ((scm_t_uintptr) (ptr) % alignof_type (type) == 0)
685 VM_DEFINE_FUNCTION (174, bv_u16_ref
, "bv-u16-ref", 3)
686 BV_REF_WITH_ENDIANNESS (u16
, u16
)
687 VM_DEFINE_FUNCTION (175, bv_s16_ref
, "bv-s16-ref", 3)
688 BV_REF_WITH_ENDIANNESS (s16
, s16
)
689 VM_DEFINE_FUNCTION (176, bv_u32_ref
, "bv-u32-ref", 3)
690 BV_REF_WITH_ENDIANNESS (u32
, u32
)
691 VM_DEFINE_FUNCTION (177, bv_s32_ref
, "bv-s32-ref", 3)
692 BV_REF_WITH_ENDIANNESS (s32
, s32
)
693 VM_DEFINE_FUNCTION (178, bv_u64_ref
, "bv-u64-ref", 3)
694 BV_REF_WITH_ENDIANNESS (u64
, u64
)
695 VM_DEFINE_FUNCTION (179, bv_s64_ref
, "bv-s64-ref", 3)
696 BV_REF_WITH_ENDIANNESS (s64
, s64
)
697 VM_DEFINE_FUNCTION (180, bv_f32_ref
, "bv-f32-ref", 3)
698 BV_REF_WITH_ENDIANNESS (f32
, ieee_single
)
699 VM_DEFINE_FUNCTION (181, bv_f64_ref
, "bv-f64-ref", 3)
700 BV_REF_WITH_ENDIANNESS (f64
, ieee_double
)
702 #undef BV_REF_WITH_ENDIANNESS
704 #define BV_FIXABLE_INT_REF(stem, fn_stem, type, size) \
706 scm_t_signed_bits i; \
707 const scm_t_ ## type *int_ptr; \
710 VM_VALIDATE_BYTEVECTOR (bv, "bv-" #stem "-ref"); \
711 i = SCM_I_INUM (idx); \
712 int_ptr = (scm_t_ ## type *) (SCM_BYTEVECTOR_CONTENTS (bv) + i); \
714 if (SCM_LIKELY (SCM_I_INUMP (idx) \
716 && (i + size <= SCM_BYTEVECTOR_LENGTH (bv)) \
717 && (ALIGNED_P (int_ptr, scm_t_ ## type)))) \
718 RETURN (SCM_I_MAKINUM (*int_ptr)); \
722 RETURN (scm_bytevector_ ## fn_stem ## _ref (bv, idx)); \
726 #define BV_INT_REF(stem, type, size) \
728 scm_t_signed_bits i; \
729 const scm_t_ ## type *int_ptr; \
732 VM_VALIDATE_BYTEVECTOR (bv, "bv-" #stem "-ref"); \
733 i = SCM_I_INUM (idx); \
734 int_ptr = (scm_t_ ## type *) (SCM_BYTEVECTOR_CONTENTS (bv) + i); \
736 if (SCM_LIKELY (SCM_I_INUMP (idx) \
738 && (i + size <= SCM_BYTEVECTOR_LENGTH (bv)) \
739 && (ALIGNED_P (int_ptr, scm_t_ ## type)))) \
741 scm_t_ ## type x = *int_ptr; \
742 if (SCM_FIXABLE (x)) \
743 RETURN (SCM_I_MAKINUM (x)); \
747 RETURN (scm_from_ ## type (x)); \
753 RETURN (scm_bytevector_ ## stem ## _native_ref (bv, idx)); \
757 #define BV_FLOAT_REF(stem, fn_stem, type, size) \
759 scm_t_signed_bits i; \
760 const type *float_ptr; \
763 VM_VALIDATE_BYTEVECTOR (bv, "bv-" #stem "-ref"); \
764 i = SCM_I_INUM (idx); \
765 float_ptr = (type *) (SCM_BYTEVECTOR_CONTENTS (bv) + i); \
768 if (SCM_LIKELY (SCM_I_INUMP (idx) \
770 && (i + size <= SCM_BYTEVECTOR_LENGTH (bv)) \
771 && (ALIGNED_P (float_ptr, type)))) \
772 RETURN (scm_from_double (*float_ptr)); \
774 RETURN (scm_bytevector_ ## fn_stem ## _native_ref (bv, idx)); \
777 VM_DEFINE_FUNCTION (182, bv_u8_ref
, "bv-u8-ref", 2)
778 BV_FIXABLE_INT_REF (u8
, u8
, uint8
, 1)
779 VM_DEFINE_FUNCTION (183, bv_s8_ref
, "bv-s8-ref", 2)
780 BV_FIXABLE_INT_REF (s8
, s8
, int8
, 1)
781 VM_DEFINE_FUNCTION (184, bv_u16_native_ref
, "bv-u16-native-ref", 2)
782 BV_FIXABLE_INT_REF (u16
, u16_native
, uint16
, 2)
783 VM_DEFINE_FUNCTION (185, bv_s16_native_ref
, "bv-s16-native-ref", 2)
784 BV_FIXABLE_INT_REF (s16
, s16_native
, int16
, 2)
785 VM_DEFINE_FUNCTION (186, bv_u32_native_ref
, "bv-u32-native-ref", 2)
786 #if SIZEOF_VOID_P > 4
787 BV_FIXABLE_INT_REF (u32
, u32_native
, uint32
, 4)
789 BV_INT_REF (u32
, uint32
, 4)
791 VM_DEFINE_FUNCTION (187, bv_s32_native_ref
, "bv-s32-native-ref", 2)
792 #if SIZEOF_VOID_P > 4
793 BV_FIXABLE_INT_REF (s32
, s32_native
, int32
, 4)
795 BV_INT_REF (s32
, int32
, 4)
797 VM_DEFINE_FUNCTION (188, bv_u64_native_ref
, "bv-u64-native-ref", 2)
798 BV_INT_REF (u64
, uint64
, 8)
799 VM_DEFINE_FUNCTION (189, bv_s64_native_ref
, "bv-s64-native-ref", 2)
800 BV_INT_REF (s64
, int64
, 8)
801 VM_DEFINE_FUNCTION (190, bv_f32_native_ref
, "bv-f32-native-ref", 2)
802 BV_FLOAT_REF (f32
, ieee_single
, float, 4)
803 VM_DEFINE_FUNCTION (191, bv_f64_native_ref
, "bv-f64-native-ref", 2)
804 BV_FLOAT_REF (f64
, ieee_double
, double, 8)
806 #undef BV_FIXABLE_INT_REF
812 #define BV_SET_WITH_ENDIANNESS(stem, fn_stem) \
816 if (scm_is_eq (endianness, scm_i_native_endianness)) \
817 goto VM_LABEL (bv_##stem##_native_set); \
819 SCM bv, idx, val; POP3 (val, idx, bv); \
821 scm_bytevector_##fn_stem##_set_x (bv, idx, val, endianness); \
826 VM_DEFINE_INSTRUCTION (192, bv_u16_set
, "bv-u16-set", 0, 4, 0)
827 BV_SET_WITH_ENDIANNESS (u16
, u16
)
828 VM_DEFINE_INSTRUCTION (193, bv_s16_set
, "bv-s16-set", 0, 4, 0)
829 BV_SET_WITH_ENDIANNESS (s16
, s16
)
830 VM_DEFINE_INSTRUCTION (194, bv_u32_set
, "bv-u32-set", 0, 4, 0)
831 BV_SET_WITH_ENDIANNESS (u32
, u32
)
832 VM_DEFINE_INSTRUCTION (195, bv_s32_set
, "bv-s32-set", 0, 4, 0)
833 BV_SET_WITH_ENDIANNESS (s32
, s32
)
834 VM_DEFINE_INSTRUCTION (196, bv_u64_set
, "bv-u64-set", 0, 4, 0)
835 BV_SET_WITH_ENDIANNESS (u64
, u64
)
836 VM_DEFINE_INSTRUCTION (197, bv_s64_set
, "bv-s64-set", 0, 4, 0)
837 BV_SET_WITH_ENDIANNESS (s64
, s64
)
838 VM_DEFINE_INSTRUCTION (198, bv_f32_set
, "bv-f32-set", 0, 4, 0)
839 BV_SET_WITH_ENDIANNESS (f32
, ieee_single
)
840 VM_DEFINE_INSTRUCTION (199, bv_f64_set
, "bv-f64-set", 0, 4, 0)
841 BV_SET_WITH_ENDIANNESS (f64
, ieee_double
)
843 #undef BV_SET_WITH_ENDIANNESS
845 #define BV_FIXABLE_INT_SET(stem, fn_stem, type, min, max, size) \
847 scm_t_signed_bits i, j = 0; \
849 scm_t_ ## type *int_ptr; \
851 POP3 (val, idx, bv); \
852 VM_VALIDATE_BYTEVECTOR (bv, "bv-" #stem "-set"); \
853 i = SCM_I_INUM (idx); \
854 int_ptr = (scm_t_ ## type *) (SCM_BYTEVECTOR_CONTENTS (bv) + i); \
856 if (SCM_LIKELY (SCM_I_INUMP (idx) \
858 && (i + size <= SCM_BYTEVECTOR_LENGTH (bv)) \
859 && (ALIGNED_P (int_ptr, scm_t_ ## type)) \
860 && (SCM_I_INUMP (val)) \
861 && ((j = SCM_I_INUM (val)) >= min) \
863 *int_ptr = (scm_t_ ## type) j; \
867 scm_bytevector_ ## fn_stem ## _set_x (bv, idx, val); \
872 #define BV_INT_SET(stem, type, size) \
874 scm_t_signed_bits i = 0; \
876 scm_t_ ## type *int_ptr; \
878 POP3 (val, idx, bv); \
879 VM_VALIDATE_BYTEVECTOR (bv, "bv-" #stem "-set"); \
880 i = SCM_I_INUM (idx); \
881 int_ptr = (scm_t_ ## type *) (SCM_BYTEVECTOR_CONTENTS (bv) + i); \
883 if (SCM_LIKELY (SCM_I_INUMP (idx) \
885 && (i + size <= SCM_BYTEVECTOR_LENGTH (bv)) \
886 && (ALIGNED_P (int_ptr, scm_t_ ## type)))) \
887 *int_ptr = scm_to_ ## type (val); \
891 scm_bytevector_ ## stem ## _native_set_x (bv, idx, val); \
896 #define BV_FLOAT_SET(stem, fn_stem, type, size) \
898 scm_t_signed_bits i = 0; \
902 POP3 (val, idx, bv); \
903 VM_VALIDATE_BYTEVECTOR (bv, "bv-" #stem "-set"); \
904 i = SCM_I_INUM (idx); \
905 float_ptr = (type *) (SCM_BYTEVECTOR_CONTENTS (bv) + i); \
907 if (SCM_LIKELY (SCM_I_INUMP (idx) \
909 && (i + size <= SCM_BYTEVECTOR_LENGTH (bv)) \
910 && (ALIGNED_P (float_ptr, type)))) \
911 *float_ptr = scm_to_double (val); \
915 scm_bytevector_ ## fn_stem ## _native_set_x (bv, idx, val); \
920 VM_DEFINE_INSTRUCTION (200, bv_u8_set
, "bv-u8-set", 0, 3, 0)
921 BV_FIXABLE_INT_SET (u8
, u8
, uint8
, 0, SCM_T_UINT8_MAX
, 1)
922 VM_DEFINE_INSTRUCTION (201, bv_s8_set
, "bv-s8-set", 0, 3, 0)
923 BV_FIXABLE_INT_SET (s8
, s8
, int8
, SCM_T_INT8_MIN
, SCM_T_INT8_MAX
, 1)
924 VM_DEFINE_INSTRUCTION (202, bv_u16_native_set
, "bv-u16-native-set", 0, 3, 0)
925 BV_FIXABLE_INT_SET (u16
, u16_native
, uint16
, 0, SCM_T_UINT16_MAX
, 2)
926 VM_DEFINE_INSTRUCTION (203, bv_s16_native_set
, "bv-s16-native-set", 0, 3, 0)
927 BV_FIXABLE_INT_SET (s16
, s16_native
, int16
, SCM_T_INT16_MIN
, SCM_T_INT16_MAX
, 2)
928 VM_DEFINE_INSTRUCTION (204, bv_u32_native_set
, "bv-u32-native-set", 0, 3, 0)
929 #if SIZEOF_VOID_P > 4
930 BV_FIXABLE_INT_SET (u32
, u32_native
, uint32
, 0, SCM_T_UINT32_MAX
, 4)
932 BV_INT_SET (u32
, uint32
, 4)
934 VM_DEFINE_INSTRUCTION (205, bv_s32_native_set
, "bv-s32-native-set", 0, 3, 0)
935 #if SIZEOF_VOID_P > 4
936 BV_FIXABLE_INT_SET (s32
, s32_native
, int32
, SCM_T_INT32_MIN
, SCM_T_INT32_MAX
, 4)
938 BV_INT_SET (s32
, int32
, 4)
940 VM_DEFINE_INSTRUCTION (206, bv_u64_native_set
, "bv-u64-native-set", 0, 3, 0)
941 BV_INT_SET (u64
, uint64
, 8)
942 VM_DEFINE_INSTRUCTION (207, bv_s64_native_set
, "bv-s64-native-set", 0, 3, 0)
943 BV_INT_SET (s64
, int64
, 8)
944 VM_DEFINE_INSTRUCTION (208, bv_f32_native_set
, "bv-f32-native-set", 0, 3, 0)
945 BV_FLOAT_SET (f32
, ieee_single
, float, 4)
946 VM_DEFINE_INSTRUCTION (209, bv_f64_native_set
, "bv-f64-native-set", 0, 3, 0)
947 BV_FLOAT_SET (f64
, ieee_double
, double, 8)
949 #undef BV_FIXABLE_INT_SET
954 (defun renumber-ops ()
955 "start from top of buffer and renumber 'VM_DEFINE_FOO (\n' sequences"
958 (let ((counter 127)) (goto-char (point-min))
959 (while (re-search-forward "^VM_DEFINE_[^ ]+ (\\([^,]+\\)," (point-max) t)
961 (number-to-string (setq counter (1+ counter)))