ia64_r3 - from 18. 4. 2005
 * new macros for floating point registers
   * PRINT_Fxx_S (single precision), PRINT_Fxx_D (double)
 * new macro PRINT_HR

ia64_r2 - from 14. 4. 2005
 * new 'make exec' target - runs ./main
 * fixed 64b value printing and alignment
 * your asm file renamed from main.s to student.s and new template student_t.s
 * target executable renamed from test to main
 * 'return 0' added to main

ia64_r1 - from 12. 4. 2005
 * first public release
 * macros - PRINT_GRx, PRINT_Rxx, PRINT_NL
