No, ROTR is cyclic right shift. There are no such operation in C language.
_rotr intrinsic function available on GCC 4.5 for Intel x86/x64 platform.
For those of you on Linux encountering this problem, configure with CC=gcc-4.5 and CXX=g++-4.5
For example,
CC=gcc-4.5 CXX=g++-4.5 ./configure ...[rest goes here]...
You will need to install gcc and g++ 4.5 for this to work, and you should be able to confirm the right gcc used in compile output scrolling by.