RE: MIPS test failures

["Billinghurst, David (RTD)" <David.Billinghurst@riotinto.com.au>]

Works for me on irix6.2 with patch applied to egcs-19990314

		=== g++ tests ===


Running target unix
FAIL: g++.dg/special/conpr-1.C execution test
FAIL: g++.dg/special/conpr-2.C execution test
FAIL: g++.dg/special/conpr-3.C execution test
FAIL: g++.dg/special/conpr-3.C execution test
XPASS: g++.pt/instantiate6.C (test for excess errors)

		=== g++ Summary ===

# of expected passes		4977
# of unexpected failures	4
# of unexpected successes	1
# of expected failures		84
# of untested testcases		8
/exd4/billingd/obj/egcs-19990314/gcc/testsuite/../xgcc version egcs-2.93.12
19990314 (gcc2 ss-980929 experimental)



> -----Original Message-----
> From:	Mark Mitchell [SMTP:mark@markmitchell.com]
> Sent:	Monday, March 15, 1999 7:34 PM
> To:	leei@ai.sri.com
> Cc:	egcs@egcs.cygnus.com; egcs-patches@egcs.cygnus.com
> Subject:	Re: MIPS test failures
> 
> 
> Here's another patch, a bit more circumspect than Lee's, which also
> fixes the MIPS bootstrap.  I've tested this patch with a 3-stage
> bootstrap on mpis-sgi-irix6.5.
> 
> Jeff?
> 
> -- 
> Mark Mitchell 			mark@markmitchell.com
> Mark Mitchell Consulting	http://www.markmitchell.com
> 
> Mon Mar 15 00:32:30 1999  Mark Mitchell  <mark@markmitchell.com>
> 
> 	* reload.c (find_reloads): Add a REG_LABEL note if we substitute a
> 	LABEL_REF for something else.
> 
> Index: reload.c
> ===================================================================
> RCS file: /egcs/carton/cvsfiles/egcs/gcc/reload.c,v
> retrieving revision 1.68
> diff -c -p -r1.68 reload.c
> *** reload.c	1999/03/05 15:07:56	1.68
> --- reload.c	1999/03/15 08:27:21
> *************** find_reloads (insn, replace, ind_levels,
> *** 3854,3860 ****
>          reload_{in,out}_reg when we do these replacements.  */
>   
>         if (replace)
> ! 	*recog_operand_loc[i] = substed_operand[i];
>         else
>   	retval |= (substed_operand[i] != *recog_operand_loc[i]);
>       }
> --- 3854,3874 ----
>          reload_{in,out}_reg when we do these replacements.  */
>   
>         if (replace)
> ! 	{
> ! 	  rtx substitution = substed_operand[i];
> ! 
> ! 	  *recog_operand_loc[i] = substitution;
> ! 
> ! 	  /* If we're replacing an operand with a LABEL_REF, we need
> ! 	     to make sure that there's a REG_LABEL note attached to
> ! 	     this instruction.  */
> ! 	  if (GET_CODE (insn) != JUMP_INSN
> ! 	      && GET_CODE (substitution) == LABEL_REF
> ! 	      && !find_reg_note (insn, REG_LABEL, XEXP (substitution, 0)))
> ! 	    REG_NOTES (insn) = gen_rtx_EXPR_LIST (REG_LABEL,
> ! 						  XEXP (substitution, 0),
> ! 						  REG_NOTES (insn));
> ! 	}
>         else
>   	retval |= (substed_operand[i] != *recog_operand_loc[i]);
>       }