diff options
Diffstat (limited to 'src/runtime/runtime.c')
| -rw-r--r-- | src/runtime/runtime.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/runtime/runtime.c b/src/runtime/runtime.c index c823691ec5..f19f8e4be3 100644 --- a/src/runtime/runtime.c +++ b/src/runtime/runtime.c @@ -185,6 +185,7 @@ runtime·check(void) float64 j, j1; byte *k, *k1; uint16* l; + byte m[4]; struct x1 { byte x; }; @@ -236,6 +237,11 @@ runtime·check(void) if(k != k1) runtime·throw("casp3"); + m[0] = m[1] = m[2] = m[3] = 0x1; + runtime·atomicor8(&m[1], 0xf0); + if (m[0] != 0x1 || m[1] != 0xf1 || m[2] != 0x1 || m[3] != 0x1) + runtime·throw("atomicor8"); + *(uint64*)&j = ~0ULL; if(j == j) runtime·throw("float64nan"); |