aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator/beam/big.c
diff options
context:
space:
mode:
Diffstat (limited to 'erts/emulator/beam/big.c')
-rw-r--r--erts/emulator/beam/big.c25
1 files changed, 7 insertions, 18 deletions
diff --git a/erts/emulator/beam/big.c b/erts/emulator/beam/big.c
index 044bf6a34e..02d37e24df 100644
--- a/erts/emulator/beam/big.c
+++ b/erts/emulator/beam/big.c
@@ -1487,20 +1487,8 @@ Eterm uint_to_big(Uint x, Eterm *y)
Eterm uword_to_big(UWord x, Eterm *y)
{
-#if HALFWORD_HEAP
- Uint upper = x >> 32;
- Uint lower = x & 0xFFFFFFFFUL;
- if (upper == 0) {
- *y = make_pos_bignum_header(1);
- } else {
- *y = make_pos_bignum_header(2);
- BIG_DIGIT(y, 1) = upper;
- }
- BIG_DIGIT(y, 0) = lower;
-#else
*y = make_pos_bignum_header(1);
BIG_DIGIT(y, 0) = x;
-#endif
return make_big(y);
}
@@ -1525,7 +1513,7 @@ Eterm small_to_big(Sint x, Eterm *y)
Eterm erts_uint64_to_big(Uint64 x, Eterm **hpp)
{
Eterm *hp = *hpp;
-#if defined(ARCH_32) || HALFWORD_HEAP
+#if defined(ARCH_32)
if (x >= (((Uint64) 1) << 32)) {
*hp = make_pos_bignum_header(2);
BIG_DIGIT(hp, 0) = (Uint) (x & ((Uint) 0xffffffff));
@@ -1555,7 +1543,7 @@ Eterm erts_sint64_to_big(Sint64 x, Eterm **hpp)
neg = 1;
ux = -(Uint64)x;
}
-#if defined(ARCH_32) || HALFWORD_HEAP
+#if defined(ARCH_32)
if (ux >= (((Uint64) 1) << 32)) {
if (neg)
*hp = make_neg_bignum_header(2);
@@ -1588,7 +1576,7 @@ erts_uint64_array_to_big(Uint **hpp, int neg, int len, Uint64 *array)
pot_digits = digits = 0;
for (i = 0; i < len; i++) {
-#if defined(ARCH_32) || HALFWORD_HEAP
+#if defined(ARCH_32)
Uint low_val = array[i] & ((Uint) 0xffffffff);
Uint high_val = (array[i] >> 32) & ((Uint) 0xffffffff);
BIG_DIGIT(headerp, pot_digits) = low_val;
@@ -1651,8 +1639,6 @@ big_to_double(Wterm x, double* resp)
/*
* Logic has been copied from erl_bif_guard.c and slightly
* modified to use a static instead of dynamic heap
- *
- * HALFWORD: Return relative term with 'heap' as base.
*/
Eterm
double_to_big(double x, Eterm *heap, Uint hsz)
@@ -1683,7 +1669,7 @@ double_to_big(double x, Eterm *heap, Uint hsz)
sz = BIG_NEED_SIZE(ds); /* number of words including arity */
hp = heap;
- res = make_big_rel(hp, heap);
+ res = make_big(hp);
xp = (ErtsDigit*) (hp + 1);
ASSERT(ds < hsz);
@@ -2618,6 +2604,9 @@ Eterm erts_chars_to_integer(Process *BIF_P, char *bytes,
size--;
}
+ if (size == 0)
+ goto bytebuf_to_integer_1_error;
+
if (size < SMALL_DIGITS && base <= 10) {
/* *
* Take shortcut if we know that all chars are '0' < b < '9' and