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guile/libguile/vm-i-scheme.c
Andy Wingo d5a4f51f9c add string-length, string-ref, vector-length instructions 
* libguile/_scm.h (SCM_OBJCODE_MAJOR_VERSION): Bump the major version,
  indicating the first incompatibility between 2.0 and 2.2.

* libguile/vm-i-scheme.c (string-length, string-ref, vector-length): New
  instructions.

* module/language/tree-il/compile-glil.scm (*primcall-ops*): Add
  primcall ops for the new instructions.
2011-10-28 11:38:56 +02:00

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/* Copyright (C) 2001, 2009, 2010, 2011 Free Software Foundation, Inc.
*
* This library 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 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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
*/
/* This file is included in vm_engine.c */
/*
* Predicates
*/
#define ARGS1(a1) SCM a1 = sp[0];
#define ARGS2(a1,a2) SCM a1 = sp[-1], a2 = sp[0]; sp--; NULLSTACK (1);
#define ARGS3(a1,a2,a3) SCM a1 = sp[-2], a2 = sp[-1], a3 = sp[0]; sp -= 2; NULLSTACK (2);
#define RETURN(x) do { *sp = x; NEXT; } while (0)
VM_DEFINE_FUNCTION (128, not, "not", 1)
{
ARGS1 (x);
RETURN (scm_from_bool (scm_is_false (x)));
}
VM_DEFINE_FUNCTION (129, not_not, "not-not", 1)
{
ARGS1 (x);
RETURN (scm_from_bool (!scm_is_false (x)));
}
VM_DEFINE_FUNCTION (130, eq, "eq?", 2)
{
ARGS2 (x, y);
RETURN (scm_from_bool (scm_is_eq (x, y)));
}
VM_DEFINE_FUNCTION (131, not_eq, "not-eq?", 2)
{
ARGS2 (x, y);
RETURN (scm_from_bool (!scm_is_eq (x, y)));
}
VM_DEFINE_FUNCTION (132, nullp, "null?", 1)
{
ARGS1 (x);
RETURN (scm_from_bool (scm_is_null (x)));
}
VM_DEFINE_FUNCTION (133, not_nullp, "not-null?", 1)
{
ARGS1 (x);
RETURN (scm_from_bool (!scm_is_null (x)));
}
VM_DEFINE_FUNCTION (134, eqv, "eqv?", 2)
{
ARGS2 (x, y);
if (scm_is_eq (x, y))
RETURN (SCM_BOOL_T);
if (SCM_IMP (x) || SCM_IMP (y))
RETURN (SCM_BOOL_F);
SYNC_REGISTER ();
RETURN (scm_eqv_p (x, y));
}
VM_DEFINE_FUNCTION (135, equal, "equal?", 2)
{
ARGS2 (x, y);
if (scm_is_eq (x, y))
RETURN (SCM_BOOL_T);
if (SCM_IMP (x) || SCM_IMP (y))
RETURN (SCM_BOOL_F);
SYNC_REGISTER ();
RETURN (scm_equal_p (x, y));
}
VM_DEFINE_FUNCTION (136, pairp, "pair?", 1)
{
ARGS1 (x);
RETURN (scm_from_bool (scm_is_pair (x)));
}
VM_DEFINE_FUNCTION (137, listp, "list?", 1)
{
ARGS1 (x);
RETURN (scm_from_bool (scm_ilength (x) >= 0));
}
VM_DEFINE_FUNCTION (138, symbolp, "symbol?", 1)
{
ARGS1 (x);
RETURN (scm_from_bool (scm_is_symbol (x)));
}
VM_DEFINE_FUNCTION (139, vectorp, "vector?", 1)
{
ARGS1 (x);
RETURN (scm_from_bool (SCM_I_IS_VECTOR (x)));
}
/*
* Basic data
*/
VM_DEFINE_FUNCTION (140, cons, "cons", 2)
{
ARGS2 (x, y);
CONS (x, x, y);
RETURN (x);
}
#define VM_VALIDATE_CONS(x, proc) \
if (SCM_UNLIKELY (!scm_is_pair (x))) \
{ func_name = proc; \
finish_args = x; \
goto vm_error_not_a_pair; \
}
VM_DEFINE_FUNCTION (141, car, "car", 1)
{
ARGS1 (x);
VM_VALIDATE_CONS (x, "car");
RETURN (SCM_CAR (x));
}
VM_DEFINE_FUNCTION (142, cdr, "cdr", 1)
{
ARGS1 (x);
VM_VALIDATE_CONS (x, "cdr");
RETURN (SCM_CDR (x));
}
VM_DEFINE_INSTRUCTION (143, set_car, "set-car!", 0, 2, 0)
{
SCM x, y;
POP2 (y, x);
VM_VALIDATE_CONS (x, "set-car!");
SCM_SETCAR (x, y);
NEXT;
}
VM_DEFINE_INSTRUCTION (144, set_cdr, "set-cdr!", 0, 2, 0)
{
SCM x, y;
POP2 (y, x);
VM_VALIDATE_CONS (x, "set-cdr!");
SCM_SETCDR (x, y);
NEXT;
}
/*
* Numeric relational tests
*/
#undef REL
#define REL(crel,srel) \
{ \
ARGS2 (x, y); \
if (SCM_I_INUMP (x) && SCM_I_INUMP (y)) \
RETURN (scm_from_bool (((scm_t_signed_bits) SCM_UNPACK (x)) \
crel ((scm_t_signed_bits) SCM_UNPACK (y)))); \
SYNC_REGISTER (); \
RETURN (srel (x, y)); \
}
VM_DEFINE_FUNCTION (145, ee, "ee?", 2)
{
REL (==, scm_num_eq_p);
}
VM_DEFINE_FUNCTION (146, lt, "lt?", 2)
{
REL (<, scm_less_p);
}
VM_DEFINE_FUNCTION (147, le, "le?", 2)
{
REL (<=, scm_leq_p);
}
VM_DEFINE_FUNCTION (148, gt, "gt?", 2)
{
REL (>, scm_gr_p);
}
VM_DEFINE_FUNCTION (149, ge, "ge?", 2)
{
REL (>=, scm_geq_p);
}
/*
* Numeric functions
*/
/* The maximum/minimum tagged integers. */
#undef INUM_MAX
#undef INUM_MIN
#define INUM_MAX (INTPTR_MAX - 1)
#define INUM_MIN (INTPTR_MIN + scm_tc2_int)
#undef FUNC2
#define FUNC2(CFUNC,SFUNC) \
{ \
ARGS2 (x, y); \
if (SCM_I_INUMP (x) && SCM_I_INUMP (y)) \
{ \
scm_t_int64 n = SCM_I_INUM (x) CFUNC SCM_I_INUM (y);\
if (SCM_FIXABLE (n)) \
RETURN (SCM_I_MAKINUM (n)); \
} \
SYNC_REGISTER (); \
RETURN (SFUNC (x, y)); \
}
/* Assembly tagged integer arithmetic routines. This code uses the
`asm goto' feature introduced in GCC 4.5. */
#if defined __x86_64__ && SCM_GNUC_PREREQ (4, 5)
/* The macros below check the CPU's overflow flag to improve fixnum
arithmetic. The %rcx register is explicitly clobbered because `asm
goto' can't have outputs, in which case the `r' constraint could be
used to let the register allocator choose a register.
TODO: Use `cold' label attribute in GCC 4.6.
http://gcc.gnu.org/ml/gcc-patches/2010-10/msg01777.html */
# define ASM_ADD(x, y) \
{ \
asm volatile goto ("mov %1, %%rcx; " \
"test %[tag], %%cl; je %l[slow_add]; " \
"test %[tag], %0; je %l[slow_add]; " \
"add %0, %%rcx; jo %l[slow_add]; " \
"sub %[tag], %%rcx; " \
"mov %%rcx, (%[vsp])\n" \
: /* no outputs */ \
: "r" (x), "r" (y), \
[vsp] "r" (sp), [tag] "i" (scm_tc2_int) \
: "rcx", "memory" \
: slow_add); \
NEXT; \
} \
slow_add: \
do { } while (0)
# define ASM_SUB(x, y) \
{ \
asm volatile goto ("mov %0, %%rcx; " \
"test %[tag], %%cl; je %l[slow_sub]; " \
"test %[tag], %1; je %l[slow_sub]; " \
"sub %1, %%rcx; jo %l[slow_sub]; " \
"add %[tag], %%rcx; " \
"mov %%rcx, (%[vsp])\n" \
: /* no outputs */ \
: "r" (x), "r" (y), \
[vsp] "r" (sp), [tag] "i" (scm_tc2_int) \
: "rcx", "memory" \
: slow_sub); \
NEXT; \
} \
slow_sub: \
do { } while (0)
#endif
VM_DEFINE_FUNCTION (150, add, "add", 2)
{
#ifndef ASM_ADD
FUNC2 (+, scm_sum);
#else
ARGS2 (x, y);
ASM_ADD (x, y);
SYNC_REGISTER ();
RETURN (scm_sum (x, y));
#endif
}
VM_DEFINE_FUNCTION (151, add1, "add1", 1)
{
ARGS1 (x);
/* Check for overflow. */
if (SCM_LIKELY ((scm_t_intptr) SCM_UNPACK (x) < INUM_MAX))
{
SCM result;
/* Add the integers without untagging. */
result = SCM_PACK ((scm_t_intptr) SCM_UNPACK (x)
+ (scm_t_intptr) SCM_UNPACK (SCM_I_MAKINUM (1))
- scm_tc2_int);
if (SCM_LIKELY (SCM_I_INUMP (result)))
RETURN (result);
}
SYNC_REGISTER ();
RETURN (scm_sum (x, SCM_I_MAKINUM (1)));
}
VM_DEFINE_FUNCTION (152, sub, "sub", 2)
{
#ifndef ASM_SUB
FUNC2 (-, scm_difference);
#else
ARGS2 (x, y);
ASM_SUB (x, y);
SYNC_REGISTER ();
RETURN (scm_difference (x, y));
#endif
}
VM_DEFINE_FUNCTION (153, sub1, "sub1", 1)
{
ARGS1 (x);
/* Check for underflow. */
if (SCM_LIKELY ((scm_t_intptr) SCM_UNPACK (x) > INUM_MIN))
{
SCM result;
/* Substract the integers without untagging. */
result = SCM_PACK ((scm_t_intptr) SCM_UNPACK (x)
- (scm_t_intptr) SCM_UNPACK (SCM_I_MAKINUM (1))
+ scm_tc2_int);
if (SCM_LIKELY (SCM_I_INUMP (result)))
RETURN (result);
}
SYNC_REGISTER ();
RETURN (scm_difference (x, SCM_I_MAKINUM (1)));
}
# undef ASM_ADD
# undef ASM_SUB
VM_DEFINE_FUNCTION (154, mul, "mul", 2)
{
ARGS2 (x, y);
SYNC_REGISTER ();
RETURN (scm_product (x, y));
}
VM_DEFINE_FUNCTION (155, div, "div", 2)
{
ARGS2 (x, y);
SYNC_REGISTER ();
RETURN (scm_divide (x, y));
}
VM_DEFINE_FUNCTION (156, quo, "quo", 2)
{
ARGS2 (x, y);
SYNC_REGISTER ();
RETURN (scm_quotient (x, y));
}
VM_DEFINE_FUNCTION (157, rem, "rem", 2)
{
ARGS2 (x, y);
SYNC_REGISTER ();
RETURN (scm_remainder (x, y));
}
VM_DEFINE_FUNCTION (158, mod, "mod", 2)
{
ARGS2 (x, y);
SYNC_REGISTER ();
RETURN (scm_modulo (x, y));
}
VM_DEFINE_FUNCTION (159, ash, "ash", 2)
{
ARGS2 (x, y);
if (SCM_I_INUMP (x) && SCM_I_INUMP (y))
{
if (SCM_I_INUM (y) < 0)
/* Right shift, will be a fixnum. */
RETURN (SCM_I_MAKINUM (SCM_I_INUM (x) >> -SCM_I_INUM (y)));
else
/* Left shift. See comments in scm_ash. */
{
scm_t_signed_bits nn, bits_to_shift;
nn = SCM_I_INUM (x);
bits_to_shift = SCM_I_INUM (y);
if (bits_to_shift < SCM_I_FIXNUM_BIT-1
&& ((scm_t_bits)
(SCM_SRS (nn, (SCM_I_FIXNUM_BIT-1 - bits_to_shift)) + 1)
<= 1))
RETURN (SCM_I_MAKINUM (nn << bits_to_shift));
/* fall through */
}
/* fall through */
}
SYNC_REGISTER ();
RETURN (scm_ash (x, y));
}
VM_DEFINE_FUNCTION (160, logand, "logand", 2)
{
ARGS2 (x, y);
if (SCM_I_INUMP (x) && SCM_I_INUMP (y))
RETURN (SCM_I_MAKINUM (SCM_I_INUM (x) & SCM_I_INUM (y)));
SYNC_REGISTER ();
RETURN (scm_logand (x, y));
}
VM_DEFINE_FUNCTION (161, logior, "logior", 2)
{
ARGS2 (x, y);
if (SCM_I_INUMP (x) && SCM_I_INUMP (y))
RETURN (SCM_I_MAKINUM (SCM_I_INUM (x) | SCM_I_INUM (y)));
SYNC_REGISTER ();
RETURN (scm_logior (x, y));
}
VM_DEFINE_FUNCTION (162, logxor, "logxor", 2)
{
ARGS2 (x, y);
if (SCM_I_INUMP (x) && SCM_I_INUMP (y))
RETURN (SCM_I_MAKINUM (SCM_I_INUM (x) ^ SCM_I_INUM (y)));
SYNC_REGISTER ();
RETURN (scm_logxor (x, y));
}
/*
* Strings
*/
VM_DEFINE_FUNCTION (163, string_length, "string-length", 1)
{
ARGS1 (str);
if (SCM_LIKELY (scm_is_string (str)))
RETURN (SCM_I_MAKINUM (scm_i_string_length (str)));
else
{
SYNC_REGISTER ();
RETURN (scm_string_length (str));
}
}
VM_DEFINE_FUNCTION (164, string_ref, "string-ref", 2)
{
scm_t_signed_bits i = 0;
ARGS2 (str, idx);
if (SCM_LIKELY (scm_is_string (str)
&& SCM_I_INUMP (idx)
&& ((i = SCM_I_INUM (idx)) >= 0)
&& i < scm_i_string_length (str)))
RETURN (SCM_MAKE_CHAR (scm_i_string_ref (str, i)));
else
{
SYNC_REGISTER ();
RETURN (scm_string_ref (str, idx));
}
}
/* No string-set! instruction, as there is no good fast path there. */
/*
* Vectors and arrays
*/
VM_DEFINE_FUNCTION (165, vector_length, "vector-length", 1)
{
ARGS1 (vect);
if (SCM_LIKELY (SCM_I_IS_VECTOR (vect)))
RETURN (SCM_I_MAKINUM (SCM_I_VECTOR_LENGTH (vect)));
else
{
SYNC_REGISTER ();
RETURN (scm_vector_length (vect));
}
}
VM_DEFINE_FUNCTION (166, vector_ref, "vector-ref", 2)
{
scm_t_signed_bits i = 0;
ARGS2 (vect, idx);
if (SCM_LIKELY (SCM_I_IS_NONWEAK_VECTOR (vect)
&& SCM_I_INUMP (idx)
&& ((i = SCM_I_INUM (idx)) >= 0)
&& i < SCM_I_VECTOR_LENGTH (vect)))
RETURN (SCM_I_VECTOR_ELTS (vect)[i]);
else
{
SYNC_REGISTER ();
RETURN (scm_vector_ref (vect, idx));
}
}
VM_DEFINE_INSTRUCTION (167, vector_set, "vector-set", 0, 3, 0)
{
scm_t_signed_bits i = 0;
SCM vect, idx, val;
POP3 (val, idx, vect);
if (SCM_LIKELY (SCM_I_IS_NONWEAK_VECTOR (vect)
&& SCM_I_INUMP (idx)
&& ((i = SCM_I_INUM (idx)) >= 0)
&& i < SCM_I_VECTOR_LENGTH (vect)))
SCM_I_VECTOR_WELTS (vect)[i] = val;
else
{
SYNC_REGISTER ();
scm_vector_set_x (vect, idx, val);
}
NEXT;
}
VM_DEFINE_INSTRUCTION (168, make_array, "make-array", 3, -1, 1)
{
scm_t_uint32 len;
SCM shape, ret;
len = FETCH ();
len = (len << 8) + FETCH ();
len = (len << 8) + FETCH ();
POP (shape);
SYNC_REGISTER ();
PRE_CHECK_UNDERFLOW (len);
ret = scm_from_contiguous_array (shape, sp - len + 1, len);
DROPN (len);
PUSH (ret);
NEXT;
}
/*
* Structs
*/
#define VM_VALIDATE_STRUCT(obj, proc) \
if (SCM_UNLIKELY (!SCM_STRUCTP (obj))) \
{ \
func_name = proc; \
finish_args = (obj); \
goto vm_error_not_a_struct; \
}
VM_DEFINE_FUNCTION (169, struct_p, "struct?", 1)
{
ARGS1 (obj);
RETURN (scm_from_bool (SCM_STRUCTP (obj)));
}
VM_DEFINE_FUNCTION (170, struct_vtable, "struct-vtable", 1)
{
ARGS1 (obj);
VM_VALIDATE_STRUCT (obj, "struct_vtable");
RETURN (SCM_STRUCT_VTABLE (obj));
}
VM_DEFINE_INSTRUCTION (171, make_struct, "make-struct", 2, -1, 1)
{
unsigned h = FETCH ();
unsigned l = FETCH ();
scm_t_bits n = ((h << 8U) + l);
SCM vtable = sp[-(n - 1)];
const SCM *inits = sp - n + 2;
SCM ret;
SYNC_REGISTER ();
if (SCM_LIKELY (SCM_STRUCTP (vtable)
&& SCM_VTABLE_FLAG_IS_SET (vtable, SCM_VTABLE_FLAG_SIMPLE)
&& (SCM_STRUCT_DATA_REF (vtable, scm_vtable_index_size) + 1
== n)
&& !SCM_VTABLE_INSTANCE_FINALIZER (vtable)))
{
/* Verily, we are making a simple struct with the right number of
initializers, and no finalizer. */
ret = scm_words ((scm_t_bits)SCM_STRUCT_DATA (vtable) | scm_tc3_struct,
n + 1);
SCM_SET_CELL_WORD_1 (ret, (scm_t_bits)SCM_CELL_OBJECT_LOC (ret, 2));
memcpy (SCM_STRUCT_DATA (ret), inits, (n - 1) * sizeof (SCM));
}
else
ret = scm_c_make_structv (vtable, 0, n - 1, (scm_t_bits *) inits);
DROPN (n);
PUSH (ret);
NEXT;
}
VM_DEFINE_FUNCTION (172, struct_ref, "struct-ref", 2)
{
ARGS2 (obj, pos);
if (SCM_LIKELY (SCM_STRUCTP (obj)
&& SCM_STRUCT_VTABLE_FLAG_IS_SET (obj,
SCM_VTABLE_FLAG_SIMPLE)
&& SCM_I_INUMP (pos)))
{
SCM vtable;
scm_t_bits index, len;
/* True, an inum is a signed value, but cast to unsigned it will
certainly be more than the length, so we will fall through if
index is negative. */
index = SCM_I_INUM (pos);
vtable = SCM_STRUCT_VTABLE (obj);
len = SCM_STRUCT_DATA_REF (vtable, scm_vtable_index_size);
if (SCM_LIKELY (index < len))
{
scm_t_bits *data = SCM_STRUCT_DATA (obj);
RETURN (SCM_PACK (data[index]));
}
}
SYNC_REGISTER ();
RETURN (scm_struct_ref (obj, pos));
}
VM_DEFINE_FUNCTION (173, struct_set, "struct-set", 3)
{
ARGS3 (obj, pos, val);
if (SCM_LIKELY (SCM_STRUCTP (obj)
&& SCM_STRUCT_VTABLE_FLAG_IS_SET (obj,
SCM_VTABLE_FLAG_SIMPLE)
&& SCM_STRUCT_VTABLE_FLAG_IS_SET (obj,
SCM_VTABLE_FLAG_SIMPLE_RW)
&& SCM_I_INUMP (pos)))
{
SCM vtable;
scm_t_bits index, len;
/* See above regarding index being >= 0. */
index = SCM_I_INUM (pos);
vtable = SCM_STRUCT_VTABLE (obj);
len = SCM_STRUCT_DATA_REF (vtable, scm_vtable_index_size);
if (SCM_LIKELY (index < len))
{
scm_t_bits *data = SCM_STRUCT_DATA (obj);
data[index] = SCM_UNPACK (val);
RETURN (val);
}
}
SYNC_REGISTER ();
RETURN (scm_struct_set_x (obj, pos, val));
}
/*
* GOOPS support
*/
VM_DEFINE_FUNCTION (174, class_of, "class-of", 1)
{
ARGS1 (obj);
if (SCM_INSTANCEP (obj))
RETURN (SCM_CLASS_OF (obj));
SYNC_REGISTER ();
RETURN (scm_class_of (obj));
}
/* FIXME: No checking whatsoever. */
VM_DEFINE_FUNCTION (175, slot_ref, "slot-ref", 2)
{
size_t slot;
ARGS2 (instance, idx);
slot = SCM_I_INUM (idx);
RETURN (SCM_PACK (SCM_STRUCT_DATA (instance) [slot]));
}
/* FIXME: No checking whatsoever. */
VM_DEFINE_INSTRUCTION (176, slot_set, "slot-set", 0, 3, 0)
{
SCM instance, idx, val;
size_t slot;
POP3 (val, idx, instance);
slot = SCM_I_INUM (idx);
SCM_STRUCT_DATA (instance) [slot] = SCM_UNPACK (val);
NEXT;
}
/*
* Bytevectors
*/
#define VM_VALIDATE_BYTEVECTOR(x, proc) \
do \
{ \
if (SCM_UNLIKELY (!SCM_BYTEVECTOR_P (x))) \
{ \
func_name = proc; \
finish_args = x; \
goto vm_error_not_a_bytevector; \
} \
} \
while (0)
#define BV_REF_WITH_ENDIANNESS(stem, fn_stem) \
{ \
SCM endianness; \
POP (endianness); \
if (scm_is_eq (endianness, scm_i_native_endianness)) \
goto VM_LABEL (bv_##stem##_native_ref); \
{ \
ARGS2 (bv, idx); \
SYNC_REGISTER (); \
RETURN (scm_bytevector_##fn_stem##_ref (bv, idx, endianness)); \
} \
}
/* Return true (non-zero) if PTR has suitable alignment for TYPE. */
#define ALIGNED_P(ptr, type) \
((scm_t_uintptr) (ptr) % alignof (type) == 0)
VM_DEFINE_FUNCTION (177, bv_u16_ref, "bv-u16-ref", 3)
BV_REF_WITH_ENDIANNESS (u16, u16)
VM_DEFINE_FUNCTION (178, bv_s16_ref, "bv-s16-ref", 3)
BV_REF_WITH_ENDIANNESS (s16, s16)
VM_DEFINE_FUNCTION (179, bv_u32_ref, "bv-u32-ref", 3)
BV_REF_WITH_ENDIANNESS (u32, u32)
VM_DEFINE_FUNCTION (180, bv_s32_ref, "bv-s32-ref", 3)
BV_REF_WITH_ENDIANNESS (s32, s32)
VM_DEFINE_FUNCTION (181, bv_u64_ref, "bv-u64-ref", 3)
BV_REF_WITH_ENDIANNESS (u64, u64)
VM_DEFINE_FUNCTION (182, bv_s64_ref, "bv-s64-ref", 3)
BV_REF_WITH_ENDIANNESS (s64, s64)
VM_DEFINE_FUNCTION (183, bv_f32_ref, "bv-f32-ref", 3)
BV_REF_WITH_ENDIANNESS (f32, ieee_single)
VM_DEFINE_FUNCTION (184, bv_f64_ref, "bv-f64-ref", 3)
BV_REF_WITH_ENDIANNESS (f64, ieee_double)
#undef BV_REF_WITH_ENDIANNESS
#define BV_FIXABLE_INT_REF(stem, fn_stem, type, size) \
{ \
scm_t_signed_bits i; \
const scm_t_ ## type *int_ptr; \
ARGS2 (bv, idx); \
\
VM_VALIDATE_BYTEVECTOR (bv, "bv-" #stem "-ref"); \
i = SCM_I_INUM (idx); \
int_ptr = (scm_t_ ## type *) (SCM_BYTEVECTOR_CONTENTS (bv) + i); \
\
if (SCM_LIKELY (SCM_I_INUMP (idx) \
&& (i >= 0) \
&& (i + size <= SCM_BYTEVECTOR_LENGTH (bv)) \
&& (ALIGNED_P (int_ptr, scm_t_ ## type)))) \
RETURN (SCM_I_MAKINUM (*int_ptr)); \
else \
{ \
SYNC_REGISTER (); \
RETURN (scm_bytevector_ ## fn_stem ## _ref (bv, idx)); \
} \
}
#define BV_INT_REF(stem, type, size) \
{ \
scm_t_signed_bits i; \
const scm_t_ ## type *int_ptr; \
ARGS2 (bv, idx); \
\
VM_VALIDATE_BYTEVECTOR (bv, "bv-" #stem "-ref"); \
i = SCM_I_INUM (idx); \
int_ptr = (scm_t_ ## type *) (SCM_BYTEVECTOR_CONTENTS (bv) + i); \
\
if (SCM_LIKELY (SCM_I_INUMP (idx) \
&& (i >= 0) \
&& (i + size <= SCM_BYTEVECTOR_LENGTH (bv)) \
&& (ALIGNED_P (int_ptr, scm_t_ ## type)))) \
{ \
scm_t_ ## type x = *int_ptr; \
if (SCM_FIXABLE (x)) \
RETURN (SCM_I_MAKINUM (x)); \
else \
{ \
SYNC_REGISTER (); \
RETURN (scm_from_ ## type (x)); \
} \
} \
else \
{ \
SYNC_REGISTER (); \
RETURN (scm_bytevector_ ## stem ## _native_ref (bv, idx)); \
} \
}
#define BV_FLOAT_REF(stem, fn_stem, type, size) \
{ \
scm_t_signed_bits i; \
const type *float_ptr; \
ARGS2 (bv, idx); \
\
VM_VALIDATE_BYTEVECTOR (bv, "bv-" #stem "-ref"); \
i = SCM_I_INUM (idx); \
float_ptr = (type *) (SCM_BYTEVECTOR_CONTENTS (bv) + i); \
\
SYNC_REGISTER (); \
if (SCM_LIKELY (SCM_I_INUMP (idx) \
&& (i >= 0) \
&& (i + size <= SCM_BYTEVECTOR_LENGTH (bv)) \
&& (ALIGNED_P (float_ptr, type)))) \
RETURN (scm_from_double (*float_ptr)); \
else \
RETURN (scm_bytevector_ ## fn_stem ## _native_ref (bv, idx)); \
}
VM_DEFINE_FUNCTION (185, bv_u8_ref, "bv-u8-ref", 2)
BV_FIXABLE_INT_REF (u8, u8, uint8, 1)
VM_DEFINE_FUNCTION (186, bv_s8_ref, "bv-s8-ref", 2)
BV_FIXABLE_INT_REF (s8, s8, int8, 1)
VM_DEFINE_FUNCTION (187, bv_u16_native_ref, "bv-u16-native-ref", 2)
BV_FIXABLE_INT_REF (u16, u16_native, uint16, 2)
VM_DEFINE_FUNCTION (188, bv_s16_native_ref, "bv-s16-native-ref", 2)
BV_FIXABLE_INT_REF (s16, s16_native, int16, 2)
VM_DEFINE_FUNCTION (189, bv_u32_native_ref, "bv-u32-native-ref", 2)
#if SIZEOF_VOID_P > 4
BV_FIXABLE_INT_REF (u32, u32_native, uint32, 4)
#else
BV_INT_REF (u32, uint32, 4)
#endif
VM_DEFINE_FUNCTION (190, bv_s32_native_ref, "bv-s32-native-ref", 2)
#if SIZEOF_VOID_P > 4
BV_FIXABLE_INT_REF (s32, s32_native, int32, 4)
#else
BV_INT_REF (s32, int32, 4)
#endif
VM_DEFINE_FUNCTION (191, bv_u64_native_ref, "bv-u64-native-ref", 2)
BV_INT_REF (u64, uint64, 8)
VM_DEFINE_FUNCTION (192, bv_s64_native_ref, "bv-s64-native-ref", 2)
BV_INT_REF (s64, int64, 8)
VM_DEFINE_FUNCTION (193, bv_f32_native_ref, "bv-f32-native-ref", 2)
BV_FLOAT_REF (f32, ieee_single, float, 4)
VM_DEFINE_FUNCTION (194, bv_f64_native_ref, "bv-f64-native-ref", 2)
BV_FLOAT_REF (f64, ieee_double, double, 8)
#undef BV_FIXABLE_INT_REF
#undef BV_INT_REF
#undef BV_FLOAT_REF
#define BV_SET_WITH_ENDIANNESS(stem, fn_stem) \
{ \
SCM endianness; \
POP (endianness); \
if (scm_is_eq (endianness, scm_i_native_endianness)) \
goto VM_LABEL (bv_##stem##_native_set); \
{ \
SCM bv, idx, val; POP3 (val, idx, bv); \
SYNC_REGISTER (); \
scm_bytevector_##fn_stem##_set_x (bv, idx, val, endianness); \
NEXT; \
} \
}
VM_DEFINE_INSTRUCTION (195, bv_u16_set, "bv-u16-set", 0, 4, 0)
BV_SET_WITH_ENDIANNESS (u16, u16)
VM_DEFINE_INSTRUCTION (196, bv_s16_set, "bv-s16-set", 0, 4, 0)
BV_SET_WITH_ENDIANNESS (s16, s16)
VM_DEFINE_INSTRUCTION (197, bv_u32_set, "bv-u32-set", 0, 4, 0)
BV_SET_WITH_ENDIANNESS (u32, u32)
VM_DEFINE_INSTRUCTION (198, bv_s32_set, "bv-s32-set", 0, 4, 0)
BV_SET_WITH_ENDIANNESS (s32, s32)
VM_DEFINE_INSTRUCTION (199, bv_u64_set, "bv-u64-set", 0, 4, 0)
BV_SET_WITH_ENDIANNESS (u64, u64)
VM_DEFINE_INSTRUCTION (200, bv_s64_set, "bv-s64-set", 0, 4, 0)
BV_SET_WITH_ENDIANNESS (s64, s64)
VM_DEFINE_INSTRUCTION (201, bv_f32_set, "bv-f32-set", 0, 4, 0)
BV_SET_WITH_ENDIANNESS (f32, ieee_single)
VM_DEFINE_INSTRUCTION (202, bv_f64_set, "bv-f64-set", 0, 4, 0)
BV_SET_WITH_ENDIANNESS (f64, ieee_double)
#undef BV_SET_WITH_ENDIANNESS
#define BV_FIXABLE_INT_SET(stem, fn_stem, type, min, max, size) \
{ \
scm_t_signed_bits i, j = 0; \
SCM bv, idx, val; \
scm_t_ ## type *int_ptr; \
\
POP3 (val, idx, bv); \
VM_VALIDATE_BYTEVECTOR (bv, "bv-" #stem "-set"); \
i = SCM_I_INUM (idx); \
int_ptr = (scm_t_ ## type *) (SCM_BYTEVECTOR_CONTENTS (bv) + i); \
\
if (SCM_LIKELY (SCM_I_INUMP (idx) \
&& (i >= 0) \
&& (i + size <= SCM_BYTEVECTOR_LENGTH (bv)) \
&& (ALIGNED_P (int_ptr, scm_t_ ## type)) \
&& (SCM_I_INUMP (val)) \
&& ((j = SCM_I_INUM (val)) >= min) \
&& (j <= max))) \
*int_ptr = (scm_t_ ## type) j; \
else \
{ \
SYNC_REGISTER (); \
scm_bytevector_ ## fn_stem ## _set_x (bv, idx, val); \
} \
NEXT; \
}
#define BV_INT_SET(stem, type, size) \
{ \
scm_t_signed_bits i = 0; \
SCM bv, idx, val; \
scm_t_ ## type *int_ptr; \
\
POP3 (val, idx, bv); \
VM_VALIDATE_BYTEVECTOR (bv, "bv-" #stem "-set"); \
i = SCM_I_INUM (idx); \
int_ptr = (scm_t_ ## type *) (SCM_BYTEVECTOR_CONTENTS (bv) + i); \
\
if (SCM_LIKELY (SCM_I_INUMP (idx) \
&& (i >= 0) \
&& (i + size <= SCM_BYTEVECTOR_LENGTH (bv)) \
&& (ALIGNED_P (int_ptr, scm_t_ ## type)))) \
*int_ptr = scm_to_ ## type (val); \
else \
{ \
SYNC_REGISTER (); \
scm_bytevector_ ## stem ## _native_set_x (bv, idx, val); \
} \
NEXT; \
}
#define BV_FLOAT_SET(stem, fn_stem, type, size) \
{ \
scm_t_signed_bits i = 0; \
SCM bv, idx, val; \
type *float_ptr; \
\
POP3 (val, idx, bv); \
VM_VALIDATE_BYTEVECTOR (bv, "bv-" #stem "-set"); \
i = SCM_I_INUM (idx); \
float_ptr = (type *) (SCM_BYTEVECTOR_CONTENTS (bv) + i); \
\
if (SCM_LIKELY (SCM_I_INUMP (idx) \
&& (i >= 0) \
&& (i + size <= SCM_BYTEVECTOR_LENGTH (bv)) \
&& (ALIGNED_P (float_ptr, type)))) \
*float_ptr = scm_to_double (val); \
else \
{ \
SYNC_REGISTER (); \
scm_bytevector_ ## fn_stem ## _native_set_x (bv, idx, val); \
} \
NEXT; \
}
VM_DEFINE_INSTRUCTION (203, bv_u8_set, "bv-u8-set", 0, 3, 0)
BV_FIXABLE_INT_SET (u8, u8, uint8, 0, SCM_T_UINT8_MAX, 1)
VM_DEFINE_INSTRUCTION (204, bv_s8_set, "bv-s8-set", 0, 3, 0)
BV_FIXABLE_INT_SET (s8, s8, int8, SCM_T_INT8_MIN, SCM_T_INT8_MAX, 1)
VM_DEFINE_INSTRUCTION (205, bv_u16_native_set, "bv-u16-native-set", 0, 3, 0)
BV_FIXABLE_INT_SET (u16, u16_native, uint16, 0, SCM_T_UINT16_MAX, 2)
VM_DEFINE_INSTRUCTION (206, bv_s16_native_set, "bv-s16-native-set", 0, 3, 0)
BV_FIXABLE_INT_SET (s16, s16_native, int16, SCM_T_INT16_MIN, SCM_T_INT16_MAX, 2)
VM_DEFINE_INSTRUCTION (207, bv_u32_native_set, "bv-u32-native-set", 0, 3, 0)
#if SIZEOF_VOID_P > 4
BV_FIXABLE_INT_SET (u32, u32_native, uint32, 0, SCM_T_UINT32_MAX, 4)
#else
BV_INT_SET (u32, uint32, 4)
#endif
VM_DEFINE_INSTRUCTION (208, bv_s32_native_set, "bv-s32-native-set", 0, 3, 0)
#if SIZEOF_VOID_P > 4
BV_FIXABLE_INT_SET (s32, s32_native, int32, SCM_T_INT32_MIN, SCM_T_INT32_MAX, 4)
#else
BV_INT_SET (s32, int32, 4)
#endif
VM_DEFINE_INSTRUCTION (209, bv_u64_native_set, "bv-u64-native-set", 0, 3, 0)
BV_INT_SET (u64, uint64, 8)
VM_DEFINE_INSTRUCTION (210, bv_s64_native_set, "bv-s64-native-set", 0, 3, 0)
BV_INT_SET (s64, int64, 8)
VM_DEFINE_INSTRUCTION (211, bv_f32_native_set, "bv-f32-native-set", 0, 3, 0)
BV_FLOAT_SET (f32, ieee_single, float, 4)
VM_DEFINE_INSTRUCTION (212, bv_f64_native_set, "bv-f64-native-set", 0, 3, 0)
BV_FLOAT_SET (f64, ieee_double, double, 8)
#undef BV_FIXABLE_INT_SET
#undef BV_INT_SET
#undef BV_FLOAT_SET
/*
(defun renumber-ops ()
"start from top of buffer and renumber 'VM_DEFINE_FOO (\n' sequences"
(interactive "")
(save-excursion
(let ((counter 127)) (goto-char (point-min))
(while (re-search-forward "^VM_DEFINE_[^ ]+ (\\([^,]+\\)," (point-max) t)
(replace-match
(number-to-string (setq counter (1+ counter)))
t t nil 1)))))
*/
/*
Local Variables:
c-file-style: "gnu"
End:
*/
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