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Re: stormy16: limit SI reload regs


I'm testing this patch now.

Index: reload.c
===================================================================
RCS file: /cvs/uberbaum/gcc/reload.c,v
retrieving revision 1.212
diff -p -2 -r1.212 reload.c
*** reload.c	17 Apr 2003 23:31:40 -0000	1.212
--- reload.c	1 May 2003 19:38:09 -0000
*************** find_reloads (insn, replace, ind_levels,
*** 4347,4351 ****
   	    && TEST_HARD_REG_BIT (reg_class_contents[rld[i].class], regno)
   	    && HARD_REGNO_MODE_OK (regno, rld[i].mode))
!  	  rld[i].reg_rtx = dest;
        }
  
--- 4347,4361 ----
   	    && TEST_HARD_REG_BIT (reg_class_contents[rld[i].class], regno)
   	    && HARD_REGNO_MODE_OK (regno, rld[i].mode))
! 	  {
! 	    int nr = HARD_REGNO_NREGS (regno, rld[i].mode);
! 	    int ok = 1, nri;
! 
! 	    for (nri = 1; nri < nr; nri ++)
! 	      if (! TEST_HARD_REG_BIT (reg_class_contents[rld[i].class], regno + nri))
! 		ok = 0;
! 
! 	    if (ok)
! 	      rld[i].reg_rtx = dest;
! 	  }
        }
  


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