1 /* Affs.c 1.1 86/07/20 */ 2 3 #include "../tahoealign/align.h" 4 ffs_op(infop) process_info *infop; 5 /* 6 /* Find first set bit. 7 /* 8 /********************************/ 9 { 10 11 register long Register_12; /* Has to be first reg ! */ 12 register long Register_11; 13 14 Register_12 = operand(infop,0)->data; 15 Register_11=psl; 16 Set_psl(r11); /* restore the user psl */ 17 asm (" ffs r12,r11"); 18 asm (" movpsl r12"); 19 New_cc (Register_12); 20 write_back (infop,Register_11, operand(infop,1)); 21 } 22