x86-64 bootstrap fails on mainline

[Andreas Jaeger]

Richard Henderson <rth@redhat.com> writes:

> On Fri, May 24, 2002 at 08:46:15AM +0200, Andreas Jaeger wrote:
>>    45         cmpq    $0, __cxa_finalize@GOTPCREL(%RIP)(%rip)
>>    89         cmpq    $0, _Jv_RegisterClasses@GOTPCREL(%RIP)(%rip)
>
> Try this.

Thanks, this gets me beyond the problem, I'm currently building the
stage2 compiler.

> Longer term I suggest that the x86-64 port use some UNSPEC_PCREL
> relocation marker every place it intends one.

Honza, can you have a look, please?

Andreas

>
>
> r~
>
>
> 	* config/i386/i386.c (output_pic_addr_const): Lowercase rip.
> 	(print_operand_address): Only add rip for symbolic addresses
> 	for which we do not have another relocation type.
>
> Index: i386.c
> ===================================================================
> RCS file: /cvs/gcc/gcc/gcc/config/i386/i386.c,v
> retrieving revision 1.410
> diff -c -p -d -u -r1.410 i386.c
> --- i386.c	28 May 2002 20:27:45 -0000	1.410
> +++ i386.c	29 May 2002 01:20:18 -0000
> @@ -5822,7 +5822,7 @@ output_pic_addr_const (file, x, code)
>  	  fputs ("@GOTOFF", file);
>  	  break;
>  	case UNSPEC_GOTPCREL:
> -	  fputs ("@GOTPCREL(%RIP)", file);
> +	  fputs ("@GOTPCREL(%rip)", file);
>  	  break;
>  	case UNSPEC_GOTTPOFF:
>  	  fputs ("@GOTTPOFF", file);
> @@ -6615,7 +6615,13 @@ print_operand_address (file, addr)
>  	output_addr_const (file, addr);
>  
>        /* Use one byte shorter RIP relative addressing for 64bit mode.  */
> -      if (GET_CODE (disp) != CONST_INT && TARGET_64BIT)
> +      if (TARGET_64BIT
> +	  && (GET_CODE (addr) == SYMBOL_REF
> +	      || GET_CODE (addr) == LABEL_REF
> +	      || (GET_CODE (addr) == CONST
> +		  && GET_CODE (XEXP (addr, 0)) == PLUS
> +		  && GET_CODE (XEXP (XEXP (addr, 0), 0)) == SYMBOL_REF
> +		  && GET_CODE (XEXP (XEXP (addr, 0), 1)) == CONST_INT)))
>  	fputs ("(%rip)", file);
>      }
>    else
>

-- 
 Andreas Jaeger
  SuSE Labs aj@suse.de
   private aj@arthur.inka.de
    http://www.suse.de/~aj