// This is a serious bug - an object is live (due to the KeepAlive
		// call below), but isn't reported as such.
		t.Fatalf("live object not in reachable set; want %b, got %b", want, got)
	}
	if bits.OnesCount64(got&^want) > 1 {
		// Note: we can occasionally have a value that is retained even though
		// it isn't live, due to conservative scanning of stack frames.
		// See issue 67204. For now, we allow a "slop" of 1 unintentionally

			if chunk == nil {
				continue
			}
			pg := chunk.scavenged.popcntRange(0, pallocChunkPages)
			slow.HeapReleased += uint64(pg) * pageSize
		}
		for _, p := range allp {
			pg := sys.OnesCount64(p.pcache.scav)
			slow.HeapReleased += uint64(pg) * pageSize
		}

		getg().m.mallocing--
	})

	startTheWorld(stw)
	return
}

		// but that's OK. We only care about how many bits are 1, not
		// about the order we discover them in.
		mrkBits := *(*uint64)(unsafe.Pointer(s.gcmarkBits.bytep(i)))
		count += sys.OnesCount64(mrkBits)
	}
	return count
}

// Read the bytes starting at the aligned pointer p into a uintptr.
// Read is little-endian.
func readUintptr(p *byte) uintptr {
	x := *(*uintptr)(unsafe.Pointer(p))

			// Merge results.
			s.startBlock(bEnd)
			return s.variable(n, types.Types[types.TINT])
		}
	}
	addF("math/bits", "OnesCount64",
		makeOnesCountAMD64(ssa.OpPopCount64),
		sys.AMD64)
	addF("math/bits", "OnesCount64",
		func(s *state, n *ir.CallExpr, args []*ssa.Value) *ssa.Value {
			return s.newValue1(ssa.OpPopCount64, types.Types[types.TINT], args[0])
		},

			str += " "
		}
		str += s.registers[r].String()
	}
	return str
}

// countRegs returns the number of set bits in the register mask.
func countRegs(r regMask) int {
	return bits.OnesCount64(uint64(r))
}

// pickReg picks an arbitrary register from the register mask.
func pickReg(r regMask) register {
	if r == 0 {
		panic("can't pick a register from an empty set")
	}
	// pick the lowest one

		{"Len64", Func, 9},
		{"Len8", Func, 9},
		{"Mul", Func, 12},
		{"Mul32", Func, 12},
		{"Mul64", Func, 12},
		{"OnesCount", Func, 9},
		{"OnesCount16", Func, 9},
		{"OnesCount32", Func, 9},
		{"OnesCount64", Func, 9},
		{"OnesCount8", Func, 9},
		{"Rem", Func, 14},
		{"Rem32", Func, 14},
		{"Rem64", Func, 14},
		{"Reverse", Func, 9},
		{"Reverse16", Func, 9},
		{"Reverse32", Func, 9},