diff options
Diffstat (limited to 'riscv/arith.h')
| -rw-r--r-- | riscv/arith.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/riscv/arith.h b/riscv/arith.h index c60fcbe..b61b28c 100644 --- a/riscv/arith.h +++ b/riscv/arith.h @@ -32,15 +32,15 @@ inline uint64_t mulhu(uint64_t a, uint64_t b) inline int64_t mulh(int64_t a, int64_t b) { int negate = (a < 0) != (b < 0); - uint64_t res = mulhu(a < 0 ? -a : a, b < 0 ? -b : b); + uint64_t res = mulhu(a < 0 ? -(uint64_t)a : a, b < 0 ? -(uint64_t)b : b); return negate ? ~res + ((uint64_t)a * (uint64_t)b == 0) : res; } inline int64_t mulhsu(int64_t a, uint64_t b) { int negate = a < 0; - uint64_t res = mulhu(a < 0 ? -a : a, b); - return negate ? ~res + (a * b == 0) : res; + uint64_t res = mulhu(a < 0 ? -(uint64_t)a : a, b); + return negate ? ~res + ((uint64_t)a * b == 0) : res; } //ref: https://locklessinc.com/articles/sat_arithmetic/ |