diff options
Diffstat (limited to 'src/runtime/slice.go')
| -rw-r--r-- | src/runtime/slice.go | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/runtime/slice.go b/src/runtime/slice.go index 134d14f1a0..459dc8891e 100644 --- a/src/runtime/slice.go +++ b/src/runtime/slice.go @@ -225,9 +225,9 @@ func growslice(oldPtr unsafe.Pointer, newLen, oldCap, num int, et *_type) slice var shift uintptr if goarch.PtrSize == 8 { // Mask shift for better code generation. - shift = uintptr(sys.Ctz64(uint64(et.size))) & 63 + shift = uintptr(sys.TrailingZeros64(uint64(et.size))) & 63 } else { - shift = uintptr(sys.Ctz32(uint32(et.size))) & 31 + shift = uintptr(sys.TrailingZeros32(uint32(et.size))) & 31 } lenmem = uintptr(oldLen) << shift newlenmem = uintptr(newLen) << shift |