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Annotation of 43BSDReno/sys/tahoealign/Affs.c, revision 1.1.1.1

1.1       root        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: }

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