GLuint thread_control:2;
GLuint predicate_control:4;
GLuint predicate_inverse:1;
GLuint execution_size:3;
GLuint destreg__conditionalmod:4; /* destreg - send, conditionalmod - others */
GLuint thread_control:2;
GLuint predicate_control:4;
GLuint predicate_inverse:1;
GLuint execution_size:3;
GLuint destreg__conditionalmod:4; /* destreg - send, conditionalmod - others */