config/m68hc11/m68hc11.c

98 rtx ix_reg;
374   ix_reg = gen_rtx_REG (HImode, HARD_X_REGNUM);
1612     scratch = ix_reg;
1659 	emit_move_after_reload (stack_push_word, ix_reg, 0);
1707     scratch = ix_reg;
1783 						  GEN_INT (3))), ix_reg, 0);
3149           else if (dead_register_here (insn, ix_reg))
3150             ops[1] = ix_reg;
3273 	      if (ix_reg == 0)
3275 	      if (optimize == 0 || dead_register_here (insn, ix_reg) == 0)
3480       if (ix_reg == 0)
3493       else if (reg_mentioned_p (ix_reg, operands[0]))
4203       this_insn_uses_ix = reg_mentioned_p (ix_reg, src)
4204 	| reg_mentioned_p (ix_reg, dst);
4275 		      || (z_dies_here && !reg_mentioned_p (ix_reg, src))))
4287 		       && !reg_mentioned_p (ix_reg, src))
4315 	  if (z_dies_here && !reg_mentioned_p (ix_reg, src)
4326           if (rtx_equal_p (src, z_reg) && rtx_equal_p (dst, ix_reg))
4448 	  uses_ix = reg_mentioned_p (ix_reg, x);
4504 	  else if (dead_register_here (insn, ix_reg))
4688 	  v = find_last_value (ix_reg, &p, insn, 1);
4690       if (v && (v != iy_reg && v != ix_reg) && rtx_equal_p (v, info->z_value))
4729       info->replace_reg = ix_reg;
4964   ix_reg = gen_rtx_REG (HImode, HARD_X_REGNUM);