On Wed, 6 Feb 2013, Holm Tiffe wrote:
That's crazy, isn't it? Never seen such an instruction on another architecture that just is testing the least significant bit. Maybe that's useful for some shift operations, but I think there are better commands for this.
The interlocked queue instructions use the least-significant bit of the first longword of the queue header to manage the interlock. -- roger ivie rivie%ridgenet.net@localhost