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-rw-r--r--erts/emulator/beam/big.c53
1 files changed, 19 insertions, 34 deletions
diff --git a/erts/emulator/beam/big.c b/erts/emulator/beam/big.c
index 4baee7900b..84338769e0 100644
--- a/erts/emulator/beam/big.c
+++ b/erts/emulator/beam/big.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1996-2016. All Rights Reserved.
+ * Copyright Ericsson AB 1996-2018. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -1293,8 +1293,11 @@ static dsize_t I_bxor(ErtsDigit* x, dsize_t xl, short xsgn,
*r++ = ~c ^ *y++;
x++;
}
- while(xl--)
- *r++ = ~*x++;
+ while(xl--) {
+ DSUBb(*x,0,b,c);
+ *r++ = ~c;
+ x++;
+ }
}
else {
ErtsDigit b1, b2;
@@ -1312,7 +1315,9 @@ static dsize_t I_bxor(ErtsDigit* x, dsize_t xl, short xsgn,
x++; y++;
}
while(xl--) {
- *r++ = *x++;
+ DSUBb(*x,0,b1,c1);
+ *r++ = c1;
+ x++;
}
}
}
@@ -2266,21 +2271,6 @@ Eterm big_minus(Eterm x, Eterm y, Eterm *r)
}
/*
-** Subtract a digit from big number
-*/
-Eterm big_minus_small(Eterm x, Eterm y, Eterm *r)
-{
- Eterm* xp = big_val(x);
-
- if (BIG_SIGN(xp))
- return big_norm(r, D_add(BIG_V(xp),BIG_SIZE(xp), (ErtsDigit) y, BIG_V(r)),
- (short) BIG_SIGN(xp));
- else
- return big_norm(r, D_sub(BIG_V(xp),BIG_SIZE(xp), (ErtsDigit) y, BIG_V(r)),
- (short) BIG_SIGN(xp));
-}
-
-/*
** Multiply smallnums
*/
@@ -2412,16 +2402,6 @@ Eterm big_rem(Eterm x, Eterm y, Eterm *r)
}
}
-Eterm big_neg(Eterm x, Eterm *r)
-{
- Eterm* xp = big_val(x);
- dsize_t xsz = BIG_SIZE(xp);
- short xsgn = BIG_SIGN(xp);
-
- MOVE_DIGITS(BIG_V(r), BIG_V(xp), xsz);
- return big_norm(r, xsz, (short) !xsgn);
-}
-
Eterm big_band(Eterm x, Eterm y, Eterm *r)
{
Eterm* xp = big_val(x);
@@ -2569,12 +2549,17 @@ int term_equals_2pow32(Eterm x)
}
}
+static ERTS_INLINE int c2int_is_valid_char(byte ch, int base) {
+ if (base <= 10)
+ return (ch >= '0' && ch < ('0' + base));
+ else
+ return (ch >= '0' && ch <= '9')
+ || (ch >= 'A' && ch < ('A' + base - 10))
+ || (ch >= 'a' && ch < ('a' + base - 10));
+}
+
static ERTS_INLINE int c2int_is_invalid_char(byte ch, int base) {
- return (ch < '0'
- || (ch > ('0' + base - 1)
- && !(base > 10
- && ((ch >= 'a' && ch < ('a' + base - 10))
- || (ch >= 'A' && ch < ('A' + base - 10))))));
+ return !c2int_is_valid_char(ch, base);
}
static ERTS_INLINE byte c2int_digit_from_base(byte ch) {