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VM calls out to heap-numbers-equal? through intrinsics

* libguile/numbers.h:
* libguile/eq.c (scm_i_heap_numbers_equal_p): Change to return boolean
  directly instead of tagged Scheme value.
  (scm_eqv_p): Adapt caller of scm_i_heap_numbers_equal_p.
* libguile/intrinsics.c (scm_bootstrap_intrinsics):
* libguile/intrinsics.h (SCM_FOR_ALL_VM_INTRINSICS): Declare
  heap-numbers-equal? intrinsic.
* libguile/vm-engine.c (heap-numbers-equal?): Call out through the
  intrinsics table.
This commit is contained in:
Andy Wingo 2018-05-08 11:49:46 +02:00
parent 84cb7c45fd
commit 41bc98985f
5 changed files with 12 additions and 9 deletions

View file

@ -1,4 +1,4 @@
/* Copyright (C) 1995-1998,2000-2001,2003-2004,2006,2009-2011,2017 Free Software Foundation, Inc.
/* Copyright (C) 1995-1998,2000-2001,2003-2004,2006,2009-2011,2017,2018 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
@ -156,20 +156,20 @@ scm_i_fraction_equalp (SCM x, SCM y)
SCM_FRACTION_DENOMINATOR (y))));
}
SCM
int
scm_i_heap_numbers_equal_p (SCM x, SCM y)
{
if (SCM_IMP (x)) abort();
switch (SCM_TYP16 (x))
{
case scm_tc16_big:
return scm_bigequal (x, y);
return scm_is_true (scm_bigequal (x, y));
case scm_tc16_real:
return scm_real_equalp (x, y);
return scm_is_true (scm_real_equalp (x, y));
case scm_tc16_complex:
return scm_complex_equalp (x, y);
return scm_is_true (scm_complex_equalp (x, y));
case scm_tc16_fraction:
return scm_i_fraction_equalp (x, y);
return scm_is_true (scm_i_fraction_equalp (x, y));
default:
abort ();
}
@ -229,7 +229,7 @@ SCM scm_eqv_p (SCM x, SCM y)
default:
break;
case scm_tc7_number:
return scm_i_heap_numbers_equal_p (x, y);
return scm_from_bool (scm_i_heap_numbers_equal_p (x, y));
}
return SCM_BOOL_F;
}

View file

@ -242,6 +242,7 @@ scm_bootstrap_intrinsics (void)
scm_vm_intrinsics.rsh = rsh;
scm_vm_intrinsics.lsh_immediate = lsh_immediate;
scm_vm_intrinsics.rsh_immediate = rsh_immediate;
scm_vm_intrinsics.heap_numbers_equal_p = scm_i_heap_numbers_equal_p;
scm_c_register_extension ("libguile-" SCM_EFFECTIVE_VERSION,
"scm_init_intrinsics",

View file

@ -37,6 +37,7 @@ typedef void (*scm_t_thread_scm_intrinsic) (scm_i_thread*, SCM);
typedef void (*scm_t_thread_scm_scm_intrinsic) (scm_i_thread*, SCM, SCM);
typedef SCM (*scm_t_scm_from_thread_scm_intrinsic) (scm_i_thread*, SCM);
typedef SCM (*scm_t_scm_from_scm_u64_intrinsic) (SCM, scm_t_uint64);
typedef int (*scm_t_bool_from_scm_scm_intrinsic) (SCM, SCM);
#define SCM_FOR_ALL_VM_INTRINSICS(M) \
M(scm_from_scm_scm, add, "add", ADD) \
@ -75,6 +76,7 @@ typedef SCM (*scm_t_scm_from_scm_u64_intrinsic) (SCM, scm_t_uint64);
M(scm_from_scm_u64, rsh, "rsh", RSH) \
M(scm_from_scm_uimm, lsh_immediate, "lsh/immediate", LSH_IMMEDIATE) \
M(scm_from_scm_uimm, rsh_immediate, "rsh/immediate", RSH_IMMEDIATE) \
M(bool_from_scm_scm, heap_numbers_equal_p, "heap-numbers-equal?", HEAP_NUMBERS_EQUAL_P) \
/* Add new intrinsics here; also update scm_bootstrap_intrinsics. */
enum scm_vm_intrinsic

View file

@ -264,7 +264,7 @@ SCM_API SCM scm_string_to_number (SCM str, SCM radix);
SCM_API SCM scm_bigequal (SCM x, SCM y);
SCM_API SCM scm_real_equalp (SCM x, SCM y);
SCM_API SCM scm_complex_equalp (SCM x, SCM y);
SCM_INTERNAL SCM scm_i_heap_numbers_equal_p (SCM x, SCM y);
SCM_INTERNAL int scm_i_heap_numbers_equal_p (SCM x, SCM y);
SCM_API SCM scm_number_p (SCM x);
SCM_API SCM scm_complex_p (SCM x);
SCM_API SCM scm_real_p (SCM x);

View file

@ -3141,7 +3141,7 @@ VM_NAME (scm_i_thread *thread, struct scm_vm *vp,
y = SP_REF (b);
SYNC_IP ();
if (scm_is_true (scm_i_heap_numbers_equal_p (x, y)))
if (scm_vm_intrinsics.heap_numbers_equal_p (x, y))
vp->compare_result = SCM_F_COMPARE_EQUAL;
else
vp->compare_result = SCM_F_COMPARE_NONE;