dist/gcc/cse.c

175    `REG_TICK' and `REG_IN_TABLE', accessors for members of
176    cse_reg_info, are used to detect this case.  REG_TICK (i) is
179    entered in the table; otherwise, it contains the value REG_TICK (i)
181    reference and REG_IN_TABLE (i) != REG_TICK (i), we must scan and
187    the equivalent-register chains.  However, `REG_TICK' and
304   /* The REG_TICK value at which rtx's containing this register are
310   /* The SUBREG that was set when REG_TICK was last incremented.  Set
474 #define REG_TICK(N) (get_cse_reg_info (N)->reg_tick)
480 /* Get the SUBREG set at the last increment to REG_TICK (-1 if not a
1012 	  if (REG_IN_TABLE (i) >= 0 && REG_IN_TABLE (i) != REG_TICK (i))
1015 	  REG_IN_TABLE (i) = REG_TICK (i);
1030       if (REG_IN_TABLE (i) >= 0 && REG_IN_TABLE (i) != REG_TICK (i))
1032 	  /* If REG_IN_TABLE (i) differs from REG_TICK (i) by one, and
1037 	  if (REG_TICK (i) - REG_IN_TABLE (i) > 1
1044       REG_IN_TABLE (i) = REG_TICK (i);
1149 	  /* Mention_regs for a SUBREG checks if REG_TICK is exactly one larger
1152 	     for the full register.  However, if we find here that REG_TICK
1156 	     now and a SUBREG of it later.  So bump up REG_TICK so that
1160 	      && REG_TICK (regno) == REG_IN_TABLE (regno) + 1)
1161 	    REG_TICK (regno)++;
1854   REG_TICK (regno)++;
1873 	  REG_TICK (rn)++;
2057       || REG_IN_TABLE (REGNO (x)) != REG_TICK (REGNO (x)))
2117       if (REG_TICK (regno) >= 0)
2119 	  REG_TICK (regno)++;
2685 	    if (REG_IN_TABLE (i) != REG_TICK (i))