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fix a failure to sync regs in vm bytevector ops

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* libguile/vm-i-scheme.c (BV_SET_WITH_ENDIANNESS, BV_FIXABLE_INT_SET)
  (BV_INT_SET, BV_FLOAT_SET): Sync registers before dispatching to the C
  function.
This commit is contained in:
Andy Wingo 2011-03-23 17:05:28 +01:00
parent 8099352769
commit ad301b6d58
1 changed files with 32 additions and 22 deletions
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54
libguile/vm-i-scheme.c
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@ -821,6 +821,7 @@ BV_FLOAT_REF (f64, ieee_double, double, 8)
goto VM_LABEL (bv_##stem##_native_set); \
{ \
SCM bv, idx, val; POP (val); POP (idx); POP (bv); \
SYNC_REGISTER (); \
scm_bytevector_##fn_stem##_set_x (bv, idx, val, endianness); \
NEXT; \
} \
@ -865,7 +866,10 @@ BV_SET_WITH_ENDIANNESS (f64, ieee_double)
&& (j <= max))) \
*int_ptr = (scm_t_ ## type) j; \
else \
scm_bytevector_ ## fn_stem ## _set_x (bv, idx, val); \
{ \
SYNC_REGISTER (); \
scm_bytevector_ ## fn_stem ## _set_x (bv, idx, val); \
} \
NEXT; \
}
@ -886,29 +890,35 @@ BV_SET_WITH_ENDIANNESS (f64, ieee_double)
&& (ALIGNED_P (int_ptr, scm_t_ ## type)))) \
*int_ptr = scm_to_ ## type (val); \
else \
scm_bytevector_ ## stem ## _native_set_x (bv, idx, val); \
NEXT; \
{ \
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; \
\
POP (val); POP (idx); POP (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 \
scm_bytevector_ ## fn_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; \
\
POP (val); POP (idx); POP (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)