On 12 May 2014 23:39, Oleg Endo <oleg.e...@t-online.de> wrote: > This is the same as changing/setting the FP modes (PR, SZ) on SH while > preserving the other FPSCR bits, or did I miss something?
It's more like if you have to control multiple bits at once to get a specific mode. Say you have to turn SZ off and PR on. You you knew that only one bit needs changing, you can do with one less arithmetic operation.