cycleclock: Fix type conversion to match function return type on riscv64 (#1802)
Fixes builds with clang
src/cycleclock.h:213:10: error: implicit conversion changes signedness: 'uint64_t' (aka 'unsigned long') to 'int64_t' (aka 'long') [-Werror,-Wsign-conversion]
213 | return cycles;
| ~~~~~~ ^~~~~~
1 error generated.
diff --git a/src/cycleclock.h b/src/cycleclock.h
index c657414..bd62f5d 100644
--- a/src/cycleclock.h
+++ b/src/cycleclock.h
@@ -210,7 +210,7 @@
#else
uint64_t cycles;
asm volatile("rdtime %0" : "=r"(cycles));
- return cycles;
+ return static_cast<int64_t>(cycles);
#endif
#elif defined(__e2k__) || defined(__elbrus__)
struct timeval tv;