gcc/config/darwin.c

301 gen_pic_offset (rtx orig, rtx pic_base)
304     return orig;
306     return gen_rtx_CONST (Pmode, gen_rtx_MINUS (Pmode, orig, pic_base));
502 machopic_indirect_data_reference (rtx orig, rtx reg)
504   rtx ptr_ref = orig;
507     return orig;
509   if (GET_CODE (orig) == SYMBOL_REF)
511       int defined = machopic_data_defined_p (orig);
518  	  emit_insn (gen_macho_high (hi_reg, orig));
519  	  emit_insn (gen_macho_low (reg, hi_reg, orig));
530 	  rtx offset = gen_pic_offset (orig, pic_base);
544 	  orig = reg;
555 	  orig = gen_rtx_PLUS (Pmode, pic_offset_table_rtx, reg);
558 	  return orig;
563 		  machopic_indirection_name (orig, /*stub_p=*/false)));
565       SYMBOL_REF_DATA (ptr_ref) = SYMBOL_REF_DATA (orig);
572   else if (GET_CODE (orig) == CONST)
577       if (GET_CODE (XEXP (orig, 0)) == PLUS)
579 	  base = machopic_indirect_data_reference (XEXP (XEXP (orig, 0), 0),
581 	  orig = machopic_indirect_data_reference (XEXP (XEXP (orig, 0), 1),
585 	return orig;
587       if (MACHOPIC_PURE && GET_CODE (orig) == CONST_INT)
588 	result = plus_constant (base, INTVAL (orig));
590 	result = gen_rtx_PLUS (Pmode, base, orig);
608   else if (GET_CODE (orig) == MEM)
609     XEXP (ptr_ref, 0) = machopic_indirect_data_reference (XEXP (orig, 0), reg);
614   else if (GET_CODE (orig) == PLUS
615 	   && GET_CODE (XEXP (orig, 0)) == REG
616 	   && REGNO (XEXP (orig, 0)) == PIC_OFFSET_TABLE_REGNUM
620 	   && GET_CODE (XEXP (orig, 1)) == CONST
624       emit_move_insn (reg, XEXP (orig, 0));
659 machopic_legitimize_pic_address (rtx orig, enum machine_mode mode, rtx reg)
661   rtx pic_ref = orig;
664     return orig;
667   if (GET_CODE (orig) == LABEL_REF
668       || (GET_CODE (orig) == SYMBOL_REF
674       orig = machopic_indirect_data_reference (orig, reg);
676       if (GET_CODE (orig) == PLUS
677 	  && GET_CODE (XEXP (orig, 0)) == REG)
680 	    return force_reg (mode, orig);
682 	  emit_move_insn (reg, orig);
692       if (GET_CODE (orig) == MEM)
702 	      && (GET_CODE (XEXP (orig, 0)) == SYMBOL_REF
703 		  || GET_CODE (XEXP (orig, 0)) == LABEL_REF))
707 	      rtx asym = XEXP (orig, 0);
711 	      mem = gen_const_mem (GET_MODE (orig),
721 	  if (GET_CODE (XEXP (orig, 0)) == SYMBOL_REF
722 	      || GET_CODE (XEXP (orig, 0)) == LABEL_REF)
724 	      rtx offset = gen_pic_offset (XEXP (orig, 0), pic_base);
739 	      mem = gen_const_mem (GET_MODE (orig),
781 				      gen_pic_offset (XEXP (orig, 0),
787 	  pic_ref = gen_const_mem (GET_MODE (orig), reg);
794 	  if (GET_CODE (orig) == SYMBOL_REF
795 	      || GET_CODE (orig) == LABEL_REF)
797 	      rtx offset = gen_pic_offset (orig, pic_base);
832 	      if (REG_P (orig)
833 	          || GET_CODE (orig) == SUBREG)
835 		  return orig;
853 					  gen_pic_offset (orig, pic_base));
876   else if (GET_CODE (orig) == SYMBOL_REF)
877     return orig;
879   else if (GET_CODE (orig) == PLUS
880 	   && (GET_CODE (XEXP (orig, 0)) == MEM
881 	       || GET_CODE (XEXP (orig, 0)) == SYMBOL_REF
882 	       || GET_CODE (XEXP (orig, 0)) == LABEL_REF)
883 	   && XEXP (orig, 0) != pic_offset_table_rtx
884 	   && GET_CODE (XEXP (orig, 1)) != REG)
888       int is_complex = (GET_CODE (XEXP (orig, 0)) == MEM);
890       base = machopic_legitimize_pic_address (XEXP (orig, 0), Pmode, reg);
891       orig = machopic_legitimize_pic_address (XEXP (orig, 1),
893       if (GET_CODE (orig) == CONST_INT)
895 	  pic_ref = plus_constant (base, INTVAL (orig));
899 	pic_ref = gen_rtx_PLUS (Pmode, base, orig);
909   else if (GET_CODE (orig) == CONST)
911       return machopic_legitimize_pic_address (XEXP (orig, 0), Pmode, reg);
914   else if (GET_CODE (orig) == MEM
915 	   && GET_CODE (XEXP (orig, 0)) == SYMBOL_REF)
917       rtx addr = machopic_legitimize_pic_address (XEXP (orig, 0), Pmode, reg);
918       addr = replace_equiv_address (orig, addr);