Merge branch 'master' into sverk/hipe-line-table-bug/master/OTP-13282

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