diff options
Diffstat (limited to 'src/runtime')
| -rw-r--r-- | src/runtime/malloc.go | 2 | ||||
| -rw-r--r-- | src/runtime/select.go | 2 | ||||
| -rw-r--r-- | src/runtime/stubs.go | 4 |
3 files changed, 4 insertions, 4 deletions
diff --git a/src/runtime/malloc.go b/src/runtime/malloc.go index 11c49f6657..25ae261bb2 100644 --- a/src/runtime/malloc.go +++ b/src/runtime/malloc.go @@ -877,7 +877,7 @@ func nextSampleNoFP() int32 { rate = 0x3fffffff } if rate != 0 { - return int32(int(fastrand()) % (2 * rate)) + return int32(fastrand() % uint32(2*rate)) } return 0 } diff --git a/src/runtime/select.go b/src/runtime/select.go index 0d846b1470..4a744a1967 100644 --- a/src/runtime/select.go +++ b/src/runtime/select.go @@ -270,7 +270,7 @@ func selectgoImpl(sel *hselect) (uintptr, uint16) { pollslice := slice{unsafe.Pointer(sel.pollorder), int(sel.ncase), int(sel.ncase)} pollorder := *(*[]uint16)(unsafe.Pointer(&pollslice)) for i := 1; i < int(sel.ncase); i++ { - j := int(fastrand()) % (i + 1) + j := fastrand() % uint32(i+1) pollorder[i] = pollorder[j] pollorder[j] = uint16(i) } diff --git a/src/runtime/stubs.go b/src/runtime/stubs.go index 101c8cfd10..e839c59d55 100644 --- a/src/runtime/stubs.go +++ b/src/runtime/stubs.go @@ -97,8 +97,8 @@ var hashLoad = loadFactor func fastrand() uint32 { mp := getg().m fr := mp.fastrand - fr <<= 1 - fr ^= uint32(int32(fr)>>31) & 0x88888eef + mx := uint32(int32(fr)>>31) & 0xa8888eef + fr = fr<<1 ^ mx mp.fastrand = fr return fr } |