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Re: x86-64 profiling fix


> Jan,
> 
> Jan Hubicka wrote:
> 
> >Index: i386.c
> >===================================================================
> >RCS file: /cvs/gcc/egcs/gcc/config/i386/i386.c,v
> >retrieving revision 1.472
> >diff -c -3 -p -r1.472 i386.c
> >*** i386.c	17 Oct 2002 17:09:16 -0000	1.472
> >--- i386.c	17 Oct 2002 17:19:41 -0000
> >*************** x86_field_alignment (field, computed)
> >*** 13949,13954 ****
> >--- 13949,13986 ----
> >    return computed;
> >  }
> >  
> >+ /* Output assembler code to FILE to increment profiler label # LABELNO
> >+    for profiling a function entry.  */
> >+ void
> >+ x86_function_profiler (file, labelno)
> >+      FILE *file;
> >+      int labelno;
> >+ {
> >+   if (TARGET_64BIT)
> >+     if (flag_pic)
> >+       {
> >+ 	fprintf (file, "\tleaq\t%sP%d@(%%rip),%%r11\n",
> >+ 		 LPREFIX, labelno);
> >+ 	fprintf (file, "\tcall\t*_mcount@GOTPCREL(%%rip)\n");
> >+       }
> >+     else
> >+       {
> >+ 	fprintf (file, "\tmovq\t$%sP%d,%%r11\n", LPREFIX, labelno);
> >+ 	fprintf (file, "\tcall\t_mcount\n");
> >+       }
> The above nested if introduces a new warning.
> 
>   warning: suggest explicit braces to avoid ambiguous `else'

It don't seems to do so for me.  I think there has been included patch
to avoid warning when all elses are present so the sequence is not
ambiguous.
Perhaps old bootstrap compiler?

Honza
> 
> Graham


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