-/* Copyright (C) 2001 Free Software Foundation, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this software; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
- * Boston, MA 02111-1307 USA
- *
- * As a special exception, the Free Software Foundation gives permission
- * for additional uses of the text contained in its release of GUILE.
- *
- * The exception is that, if you link the GUILE library with other files
- * to produce an executable, this does not by itself cause the
- * resulting executable to be covered by the GNU General Public License.
- * Your use of that executable is in no way restricted on account of
- * linking the GUILE library code into it.
- *
- * This exception does not however invalidate any other reasons why
- * the executable file might be covered by the GNU General Public License.
- *
- * This exception applies only to the code released by the
- * Free Software Foundation under the name GUILE. If you copy
- * code from other Free Software Foundation releases into a copy of
- * GUILE, as the General Public License permits, the exception does
- * not apply to the code that you add in this way. To avoid misleading
- * anyone as to the status of such modified files, you must delete
- * this exception notice from them.
- *
- * If you write modifications of your own for GUILE, it is your choice
- * whether to permit this exception to apply to your modifications.
- * If you do not wish that, delete this exception notice. */
-
-/* This file is included in vm_engine.c */
-
-\f
-/*
- * 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 (80, not, "not", 1)
-{
- ARGS1 (x);
- RETURN (SCM_BOOL (SCM_FALSEP (x)));
-}
-
-VM_DEFINE_FUNCTION (81, not_not, "not-not", 1)
-{
- ARGS1 (x);
- RETURN (SCM_BOOL (!SCM_FALSEP (x)));
-}
-
-VM_DEFINE_FUNCTION (82, eq, "eq?", 2)
-{
- ARGS2 (x, y);
- RETURN (SCM_BOOL (SCM_EQ_P (x, y)));
-}
-
-VM_DEFINE_FUNCTION (83, not_eq, "not-eq?", 2)
-{
- ARGS2 (x, y);
- RETURN (SCM_BOOL (!SCM_EQ_P (x, y)));
-}
-
-VM_DEFINE_FUNCTION (84, nullp, "null?", 1)
-{
- ARGS1 (x);
- RETURN (SCM_BOOL (SCM_NULLP (x)));
-}
-
-VM_DEFINE_FUNCTION (85, not_nullp, "not-null?", 1)
-{
- ARGS1 (x);
- RETURN (SCM_BOOL (!SCM_NULLP (x)));
-}
-
-VM_DEFINE_FUNCTION (86, eqv, "eqv?", 2)
-{
- ARGS2 (x, y);
- if (SCM_EQ_P (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 (87, equal, "equal?", 2)
-{
- ARGS2 (x, y);
- if (SCM_EQ_P (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 (88, pairp, "pair?", 1)
-{
- ARGS1 (x);
- RETURN (SCM_BOOL (SCM_CONSP (x)));
-}
-
-VM_DEFINE_FUNCTION (89, listp, "list?", 1)
-{
- ARGS1 (x);
- RETURN (SCM_BOOL (scm_ilength (x) >= 0));
-}
-
-\f
-/*
- * Basic data
- */
-
-VM_DEFINE_FUNCTION (90, cons, "cons", 2)
-{
- ARGS2 (x, y);
- CONS (x, x, y);
- RETURN (x);
-}
-
-#define VM_VALIDATE_CONS(x) \
- if (SCM_UNLIKELY (!scm_is_pair (x))) \
- { finish_args = x; \
- goto vm_error_not_a_pair; \
- }
-
-VM_DEFINE_FUNCTION (91, car, "car", 1)
-{
- ARGS1 (x);
- VM_VALIDATE_CONS (x);
- RETURN (SCM_CAR (x));
-}
-
-VM_DEFINE_FUNCTION (92, cdr, "cdr", 1)
-{
- ARGS1 (x);
- VM_VALIDATE_CONS (x);
- RETURN (SCM_CDR (x));
-}
-
-VM_DEFINE_FUNCTION (93, set_car, "set-car!", 2)
-{
- ARGS2 (x, y);
- VM_VALIDATE_CONS (x);
- SCM_SETCAR (x, y);
- RETURN (SCM_UNSPECIFIED);
-}
-
-VM_DEFINE_FUNCTION (94, set_cdr, "set-cdr!", 2)
-{
- ARGS2 (x, y);
- VM_VALIDATE_CONS (x);
- SCM_SETCDR (x, y);
- RETURN (SCM_UNSPECIFIED);
-}
-
-\f
-/*
- * Numeric relational tests
- */
-
-#undef REL
-#define REL(crel,srel) \
-{ \
- ARGS2 (x, y); \
- if (SCM_I_INUMP (x) && SCM_I_INUMP (y)) \
- RETURN (SCM_BOOL (SCM_I_INUM (x) crel SCM_I_INUM (y))); \
- SYNC_REGISTER (); \
- RETURN (srel (x, y)); \
-}
-
-VM_DEFINE_FUNCTION (95, ee, "ee?", 2)
-{
- REL (==, scm_num_eq_p);
-}
-
-VM_DEFINE_FUNCTION (96, lt, "lt?", 2)
-{
- REL (<, scm_less_p);
-}
-
-VM_DEFINE_FUNCTION (97, le, "le?", 2)
-{
- REL (<=, scm_leq_p);
-}
-
-VM_DEFINE_FUNCTION (98, gt, "gt?", 2)
-{
- REL (>, scm_gr_p);
-}
-
-VM_DEFINE_FUNCTION (99, ge, "ge?", 2)
-{
- REL (>=, scm_geq_p);
-}
-
-\f
-/*
- * Numeric functions
- */
-
-#undef FUNC2
-#define FUNC2(CFUNC,SFUNC) \
-{ \
- ARGS2 (x, y); \
- if (SCM_I_INUMP (x) && SCM_I_INUMP (y)) \
- { \
- scm_t_bits 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)); \
-}
-
-VM_DEFINE_FUNCTION (100, add, "add", 2)
-{
- FUNC2 (+, scm_sum);
-}
-
-VM_DEFINE_FUNCTION (101, sub, "sub", 2)
-{
- FUNC2 (-, scm_difference);
-}
-
-VM_DEFINE_FUNCTION (102, mul, "mul", 2)
-{
- ARGS2 (x, y);
- SYNC_REGISTER ();
- RETURN (scm_product (x, y));
-}
-
-VM_DEFINE_FUNCTION (103, div, "div", 2)
-{
- ARGS2 (x, y);
- SYNC_REGISTER ();
- RETURN (scm_divide (x, y));
-}
-
-VM_DEFINE_FUNCTION (104, quo, "quo", 2)
-{
- ARGS2 (x, y);
- SYNC_REGISTER ();
- RETURN (scm_quotient (x, y));
-}
-
-VM_DEFINE_FUNCTION (105, rem, "rem", 2)
-{
- ARGS2 (x, y);
- SYNC_REGISTER ();
- RETURN (scm_remainder (x, y));
-}
-
-VM_DEFINE_FUNCTION (106, mod, "mod", 2)
-{
- ARGS2 (x, y);
- SYNC_REGISTER ();
- RETURN (scm_modulo (x, y));
-}
-
-\f
-/*
- * GOOPS support
- */
-VM_DEFINE_FUNCTION (107, slot_ref, "slot-ref", 2)
-{
- size_t slot;
- ARGS2 (instance, idx);
- slot = SCM_I_INUM (idx);
- RETURN (SCM_PACK (SCM_STRUCT_DATA (instance) [slot]));
-}
-
-VM_DEFINE_FUNCTION (108, slot_set, "slot-set", 3)
-{
- size_t slot;
- ARGS3 (instance, idx, val);
- slot = SCM_I_INUM (idx);
- SCM_STRUCT_DATA (instance) [slot] = SCM_UNPACK (val);
- RETURN (SCM_UNSPECIFIED);
-}
-
-/*
-(defun renumber-ops ()
- "start from top of buffer and renumber 'VM_DEFINE_FOO (\n' sequences"
- (interactive "")
- (save-excursion
- (let ((counter 79)) (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:
-*/
+/* Copyright (C) 2001, 2009-2014 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 */
+
+\f
+/*
+ * 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)));
+}
+
+\f
+/*
+ * Basic data
+ */
+
+VM_DEFINE_FUNCTION (140, cons, "cons", 2)
+{
+ ARGS2 (x, y);
+ CONS (x, x, y);
+ RETURN (x);
+}
+
+#define VM_VALIDATE_CONS(x, proc) \
+ VM_ASSERT (scm_is_pair (x), vm_error_not_a_pair (proc, x))
+
+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;
+}
+
+\f
+/*
+ * 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);
+}
+
+\f
+/*
+ * Numeric functions
+ */
+
+/* The maximum/minimum tagged integers. */
+#undef INUM_MAX
+#undef INUM_MIN
+#undef INUM_STEP
+#define INUM_MAX \
+ ((scm_t_signed_bits) SCM_UNPACK (SCM_I_MAKINUM (SCM_MOST_POSITIVE_FIXNUM)))
+#define INUM_MIN \
+ ((scm_t_signed_bits) SCM_UNPACK (SCM_I_MAKINUM (SCM_MOST_NEGATIVE_FIXNUM)))
+#define INUM_STEP \
+ ((scm_t_signed_bits) SCM_UNPACK (SCM_INUM1) \
+ - (scm_t_signed_bits) SCM_UNPACK (SCM_INUM0))
+
+#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 SCM_GNUC_PREREQ (4, 5) && (defined __x86_64__ || defined __i386__)
+
+# undef _CX
+# if SIZEOF_VOID_P == 8
+# define _CX "rcx"
+# elif SIZEOF_VOID_P == 4
+# define _CX "ecx"
+# else
+# error unsupported word size
+# endif
+
+/* The macros below check the CPU's overflow flag to improve fixnum
+ arithmetic. The _CX register (%rcx or %ecx) 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, %%"_CX"; " \
+ "test %[tag], %%cl; je %l[slow_add]; " \
+ "test %[tag], %0; je %l[slow_add]; " \
+ "sub %[tag], %%"_CX"; " \
+ "add %0, %%"_CX"; jo %l[slow_add]; " \
+ "mov %%"_CX", (%[vsp])\n" \
+ : /* no outputs */ \
+ : "r" (x), "r" (y), \
+ [vsp] "r" (sp), [tag] "i" (scm_tc2_int) \
+ : _CX, "memory", "cc" \
+ : slow_add); \
+ NEXT; \
+ } \
+ slow_add: \
+ do { } while (0)
+
+# define ASM_SUB(x, y) \
+ { \
+ asm volatile goto ("mov %0, %%"_CX"; " \
+ "test %[tag], %%cl; je %l[slow_sub]; " \
+ "test %[tag], %1; je %l[slow_sub]; " \
+ "sub %1, %%"_CX"; jo %l[slow_sub]; " \
+ "add %[tag], %%"_CX"; " \
+ "mov %%"_CX", (%[vsp])\n" \
+ : /* no outputs */ \
+ : "r" (x), "r" (y), \
+ [vsp] "r" (sp), [tag] "i" (scm_tc2_int) \
+ : _CX, "memory", "cc" \
+ : slow_sub); \
+ NEXT; \
+ } \
+ slow_sub: \
+ do { } while (0)
+
+# define ASM_MUL(x, y) \
+ { \
+ scm_t_signed_bits xx = SCM_I_INUM (x); \
+ asm volatile goto ("mov %1, %%"_CX"; " \
+ "test %[tag], %%cl; je %l[slow_mul]; " \
+ "sub %[tag], %%"_CX"; " \
+ "test %[tag], %0; je %l[slow_mul]; " \
+ "imul %2, %%"_CX"; jo %l[slow_mul]; " \
+ "add %[tag], %%"_CX"; " \
+ "mov %%"_CX", (%[vsp])\n" \
+ : /* no outputs */ \
+ : "r" (x), "r" (y), "r" (xx), \
+ [vsp] "r" (sp), [tag] "i" (scm_tc2_int) \
+ : _CX, "memory", "cc" \
+ : slow_mul); \
+ NEXT; \
+ } \
+ slow_mul: \
+ do { } while (0)
+
+#endif
+
+#if SCM_GNUC_PREREQ (4, 5) && defined __arm__
+
+# define ASM_ADD(x, y) \
+ if (SCM_LIKELY (SCM_I_INUMP (x) && SCM_I_INUMP (y))) \
+ { \
+ asm volatile goto ("adds r0, %0, %1; bvs %l[slow_add]; " \
+ "str r0, [%[vsp]]\n" \
+ : /* no outputs */ \
+ : "r" (x), "r" (y - scm_tc2_int), \
+ [vsp] "r" (sp) \
+ : "r0", "memory", "cc" \
+ : slow_add); \
+ NEXT; \
+ } \
+ slow_add: \
+ do { } while (0)
+
+# define ASM_SUB(x, y) \
+ if (SCM_LIKELY (SCM_I_INUMP (x) && SCM_I_INUMP (y))) \
+ { \
+ asm volatile goto ("subs r0, %0, %1; bvs %l[slow_sub]; " \
+ "str r0, [%[vsp]]\n" \
+ : /* no outputs */ \
+ : "r" (x), "r" (y - scm_tc2_int), \
+ [vsp] "r" (sp) \
+ : "r0", "memory", "cc" \
+ : slow_sub); \
+ NEXT; \
+ } \
+ slow_sub: \
+ do { } while (0)
+
+# if defined (__ARM_ARCH_3M__) || defined (__ARM_ARCH_4__) \
+ || defined (__ARM_ARCH_4T__) || defined (__ARM_ARCH_5__) \
+ || defined (__ARM_ARCH_5T__) || defined (__ARM_ARCH_5E__) \
+ || defined (__ARM_ARCH_5TE__) || defined (__ARM_ARCH_5TEJ__) \
+ || defined (__ARM_ARCH_6__) || defined (__ARM_ARCH_6J__) \
+ || defined (__ARM_ARCH_6K__) || defined (__ARM_ARCH_6Z__) \
+ || defined (__ARM_ARCH_6ZK__) || defined (__ARM_ARCH_6T2__) \
+ || defined (__ARM_ARCH_6M__) || defined (__ARM_ARCH_7__) \
+ || defined (__ARM_ARCH_7A__) || defined (__ARM_ARCH_7R__) \
+ || defined (__ARM_ARCH_7M__) || defined (__ARM_ARCH_7EM__) \
+ || defined (__ARM_ARCH_8A__)
+
+/* The ARM architectures listed above support the SMULL instruction */
+
+# define ASM_MUL(x, y) \
+ if (SCM_LIKELY (SCM_I_INUMP (x) && SCM_I_INUMP (y))) \
+ { \
+ scm_t_signed_bits rlo, rhi; \
+ asm ("smull %0, %1, %2, %3\n" \
+ : "=&r" (rlo), "=&r" (rhi) \
+ : "r" (SCM_UNPACK (x) - scm_tc2_int), \
+ "r" (SCM_I_INUM (y))); \
+ if (SCM_LIKELY (SCM_SRS (rlo, 31) == rhi)) \
+ RETURN (SCM_PACK (rlo + scm_tc2_int)); \
+ } \
+ do { } while (0)
+
+# endif
+
+#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. We must avoid overflow in the signed
+ addition below, even if X is not an inum. */
+ if (SCM_LIKELY ((scm_t_signed_bits) SCM_UNPACK (x) <= INUM_MAX - INUM_STEP))
+ {
+ SCM result;
+
+ /* Add 1 to the integer without untagging. */
+ result = SCM_PACK ((scm_t_signed_bits) SCM_UNPACK (x) + INUM_STEP);
+
+ 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 overflow. We must avoid overflow in the signed
+ subtraction below, even if X is not an inum. */
+ if (SCM_LIKELY ((scm_t_signed_bits) SCM_UNPACK (x) >= INUM_MIN + INUM_STEP))
+ {
+ SCM result;
+
+ /* Substract 1 from the integer without untagging. */
+ result = SCM_PACK ((scm_t_signed_bits) SCM_UNPACK (x) - INUM_STEP);
+
+ if (SCM_LIKELY (SCM_I_INUMP (result)))
+ RETURN (result);
+ }
+
+ SYNC_REGISTER ();
+ RETURN (scm_difference (x, SCM_I_MAKINUM (1)));
+}
+
+VM_DEFINE_FUNCTION (154, mul, "mul", 2)
+{
+ ARGS2 (x, y);
+#ifdef ASM_MUL
+ ASM_MUL (x, y);
+#endif
+ SYNC_REGISTER ();
+ RETURN (scm_product (x, y));
+}
+
+# undef ASM_ADD
+# undef ASM_SUB
+# undef ASM_MUL
+
+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_SRS (SCM_I_INUM (x),
+ (-SCM_I_INUM (y) <= SCM_I_FIXNUM_BIT-1)
+ ? -SCM_I_INUM (y) : SCM_I_FIXNUM_BIT-1)));
+ 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 < 0
+ ? -(-nn << bits_to_shift)
+ : (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))
+ /* Compute bitwise AND without untagging */
+ RETURN (SCM_PACK (SCM_UNPACK (x) & SCM_UNPACK (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))
+ /* Compute bitwise OR without untagging */
+ RETURN (SCM_PACK (SCM_UNPACK (x) | SCM_UNPACK (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));
+}
+
+\f
+/*
+ * Vectors and arrays
+ */
+
+VM_DEFINE_FUNCTION (163, 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 (164, 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 (165, 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;
+}
+
+\f
+/*
+ * Structs
+ */
+#define VM_VALIDATE_STRUCT(obj, proc) \
+ VM_ASSERT (SCM_STRUCTP (obj), vm_error_not_a_struct (proc, obj))
+
+VM_DEFINE_FUNCTION (166, struct_p, "struct?", 1)
+{
+ ARGS1 (obj);
+ RETURN (scm_from_bool (SCM_STRUCTP (obj)));
+}
+
+VM_DEFINE_FUNCTION (167, struct_vtable, "struct-vtable", 1)
+{
+ ARGS1 (obj);
+ VM_VALIDATE_STRUCT (obj, "struct_vtable");
+ RETURN (SCM_STRUCT_VTABLE (obj));
+}
+
+VM_DEFINE_INSTRUCTION (168, 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 (169, 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 (170, 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));
+}
+
+\f
+/*
+ * GOOPS support
+ */
+VM_DEFINE_FUNCTION (171, 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 (172, 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 (173, 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;
+}
+
+\f
+/*
+ * Bytevectors
+ */
+#define VM_VALIDATE_BYTEVECTOR(x, proc) \
+ VM_ASSERT (SCM_BYTEVECTOR_P (x), vm_error_not_a_bytevector (proc, x))
+
+#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 (type) == 0)
+
+VM_DEFINE_FUNCTION (174, bv_u16_ref, "bv-u16-ref", 3)
+BV_REF_WITH_ENDIANNESS (u16, u16)
+VM_DEFINE_FUNCTION (175, bv_s16_ref, "bv-s16-ref", 3)
+BV_REF_WITH_ENDIANNESS (s16, s16)
+VM_DEFINE_FUNCTION (176, bv_u32_ref, "bv-u32-ref", 3)
+BV_REF_WITH_ENDIANNESS (u32, u32)
+VM_DEFINE_FUNCTION (177, bv_s32_ref, "bv-s32-ref", 3)
+BV_REF_WITH_ENDIANNESS (s32, s32)
+VM_DEFINE_FUNCTION (178, bv_u64_ref, "bv-u64-ref", 3)
+BV_REF_WITH_ENDIANNESS (u64, u64)
+VM_DEFINE_FUNCTION (179, bv_s64_ref, "bv-s64-ref", 3)
+BV_REF_WITH_ENDIANNESS (s64, s64)
+VM_DEFINE_FUNCTION (180, bv_f32_ref, "bv-f32-ref", 3)
+BV_REF_WITH_ENDIANNESS (f32, ieee_single)
+VM_DEFINE_FUNCTION (181, 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 (182, bv_u8_ref, "bv-u8-ref", 2)
+BV_FIXABLE_INT_REF (u8, u8, uint8, 1)
+VM_DEFINE_FUNCTION (183, bv_s8_ref, "bv-s8-ref", 2)
+BV_FIXABLE_INT_REF (s8, s8, int8, 1)
+VM_DEFINE_FUNCTION (184, bv_u16_native_ref, "bv-u16-native-ref", 2)
+BV_FIXABLE_INT_REF (u16, u16_native, uint16, 2)
+VM_DEFINE_FUNCTION (185, bv_s16_native_ref, "bv-s16-native-ref", 2)
+BV_FIXABLE_INT_REF (s16, s16_native, int16, 2)
+VM_DEFINE_FUNCTION (186, 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 (187, 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 (188, bv_u64_native_ref, "bv-u64-native-ref", 2)
+BV_INT_REF (u64, uint64, 8)
+VM_DEFINE_FUNCTION (189, bv_s64_native_ref, "bv-s64-native-ref", 2)
+BV_INT_REF (s64, int64, 8)
+VM_DEFINE_FUNCTION (190, bv_f32_native_ref, "bv-f32-native-ref", 2)
+BV_FLOAT_REF (f32, ieee_single, float, 4)
+VM_DEFINE_FUNCTION (191, 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 (192, bv_u16_set, "bv-u16-set", 0, 4, 0)
+BV_SET_WITH_ENDIANNESS (u16, u16)
+VM_DEFINE_INSTRUCTION (193, bv_s16_set, "bv-s16-set", 0, 4, 0)
+BV_SET_WITH_ENDIANNESS (s16, s16)
+VM_DEFINE_INSTRUCTION (194, bv_u32_set, "bv-u32-set", 0, 4, 0)
+BV_SET_WITH_ENDIANNESS (u32, u32)
+VM_DEFINE_INSTRUCTION (195, bv_s32_set, "bv-s32-set", 0, 4, 0)
+BV_SET_WITH_ENDIANNESS (s32, s32)
+VM_DEFINE_INSTRUCTION (196, bv_u64_set, "bv-u64-set", 0, 4, 0)
+BV_SET_WITH_ENDIANNESS (u64, u64)
+VM_DEFINE_INSTRUCTION (197, bv_s64_set, "bv-s64-set", 0, 4, 0)
+BV_SET_WITH_ENDIANNESS (s64, s64)
+VM_DEFINE_INSTRUCTION (198, bv_f32_set, "bv-f32-set", 0, 4, 0)
+BV_SET_WITH_ENDIANNESS (f32, ieee_single)
+VM_DEFINE_INSTRUCTION (199, 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 (200, 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 (201, 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 (202, 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 (203, 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 (204, 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 (205, 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 (206, bv_u64_native_set, "bv-u64-native-set", 0, 3, 0)
+BV_INT_SET (u64, uint64, 8)
+VM_DEFINE_INSTRUCTION (207, bv_s64_native_set, "bv-s64-native-set", 0, 3, 0)
+BV_INT_SET (s64, int64, 8)
+VM_DEFINE_INSTRUCTION (208, bv_f32_native_set, "bv-f32-native-set", 0, 3, 0)
+BV_FLOAT_SET (f32, ieee_single, float, 4)
+VM_DEFINE_INSTRUCTION (209, 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:
+*/
HCoop / bpt / guile.git / blobdiff