spu: avoid relying on signed overflow undefined behavior
authornotaz <notasas@gmail.com>
Tue, 26 Sep 2023 22:20:27 +0000 (01:20 +0300)
committernotaz <notasas@gmail.com>
Wed, 27 Sep 2023 22:11:34 +0000 (01:11 +0300)
didn't seem to cause any issue in practice, but who knows with
all the different compilers


No differences found