contrib/gcc/df-problems.c

326   /* The set of defs to regs invalidated by call.  */
328   /* The set of defs to regs invalidated by call for ru.  */
608 	  bitmap defs = df_ref_bitmap (problem_data->use_sites, regno,
610 	  bitmap_ior_into (dense_invalidated, defs);
854    here for the defs.  */
860   /* If the number of defs for regnum N is less than
862      the defs of reg N indexed by the id in the ref structure.  If
863      there are more than DF_SPARSE_THRESHOLD defs for regnum N a
865   bitmap *def_sites;            /* Bitmap of defs for each pseudo.  */
867   /* The set of defs to regs invalidated by call.  */
869   /* The set of defs to regs invalidate by call for rd.  */
1018 		 defs from other instructions.  */
1021 		     not kill the other defs that reach here.  */
1034 		      bitmap defs = df_ref_bitmap (problem_data->def_sites,
1036 		      bitmap_ior_into (bb_info->kill, defs);
1037 		      bitmap_and_compl_into (bb_info->gen, defs);
1042 	      /* All defs for regno in the instruction may be put into
1089   /* Process the artificial defs at the top of the block last since we
1134 	  bitmap defs = df_ref_bitmap (problem_data->def_sites, regno,
1136 	  bitmap_ior_into (dense_invalidated, defs);
1299   fprintf (file, "Reaching defs:\n\n");
1502 		     not kill the other defs that reach here.  */
1527 		     not kill the other defs that reach here.  */
2753    Link either the defs to the uses and / or the uses to the defs.
2758    the reaching defs information (the dependent problem).
2822 	  ref = insn_info->defs;
2860 	  /* Record defs within INSN.  */
2865   /* Get rid of any chains in artificial uses or defs.  */
2955 /* Create chains from reaching defs bitmaps for basic block BB.  */
2971      then the artificial defs second.  */
3001       /* Now scan the uses and link them up with the defs that remain
3007       /* Since we are going forwards, process the defs second.  This
3258 /* Set the REG_UNUSED notes for the multiword hardreg defs in INSN
3490    info: lifetime, bb, and number of defs and uses for basic block
3518   /* Process the artificial defs and uses at the bottom of the block
3562       /* Process the defs.  */
3601 	  /* All of the defs except the return value are some sort of
3709 /* Compute register info: lifetime, bb, and number of defs and uses.  */