fix compatibility on mipsel

Forwarded: https://github.com/lh3/fermi-lite/pull/13

Gbp-Pq: Name sync_instead_of_atomic

diff --git a/unitig.c b/unitig.c
index 55e2fd957345a2c8522c3bae42616e43d4558748..5ecb4bc55e19ce8887e60ad2ed358b6d205bcbff 100644 (file)
--- a/unitig.c
+++ b/unitig.c
@@ -71,7 +71,7 @@ static inline void set_bit(uint64_t *bits, uint64_t x)
 {
        uint64_t *p = bits + (x>>6);
        uint64_t z = 1LLU<<(x&0x3f);
-       __sync_fetch_and_or(p, z);
+       __atomic_fetch_or(p, z, __ATOMIC_SEQ_CST);
 }
 
 static inline void set_bits(uint64_t *bits, const rldintv_t *p)
@@ -389,7 +389,7 @@ static void worker(void *data, long _i, int tid)
                magv_t *q;
                p[0] = w->visited + (d->z.k[0]>>6); x[0] = 1LLU<<(d->z.k[0]&0x3f);
                p[1] = w->visited + (d->z.k[1]>>6); x[1] = 1LLU<<(d->z.k[1]&0x3f);
-               if ((__sync_fetch_and_or(p[0], x[0])&x[0]) || (__sync_fetch_and_or(p[1], x[1])&x[1])) return;
+               if ((__atomic_fetch_or(p[0], x[0], __ATOMIC_SEQ_CST)&x[0]) || (__atomic_fetch_or(p[1], x[1], __ATOMIC_SEQ_CST)&x[1])) return;
                d->z.len = d->str.l;
                if (d->max_l < d->str.m) {
                        d->max_l = d->str.m;