diff options
Diffstat (limited to 'erts/emulator/beam/big.c')
| -rw-r--r-- | erts/emulator/beam/big.c | 25 |
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 |