------- Comment #29 from schwab at suse dot de 2009-01-20 16:30 -------
(In reply to comment #27)
> This patch for sim:
> Index: sim/ppc/gen-idecode.c
> ===================================================================
> RCS file: /cvs/src/src/sim/ppc/gen-idecode.c,v
> retrieving revision 1.4
> diff -u -p -r1.4 gen-idecode.c
> --- sim/ppc/gen-idecode.c 19 Jun 2003 18:42:30 -0000 1.4
> +++ sim/ppc/gen-idecode.c 20 Jan 2009 15:48:18 -0000
> @@ -708,11 +708,11 @@ print_run_until_stop_body(lf *file,
> }
> lf_putstr(file, "int last_cpu;\n");
> if (generate_smp) {
> - lf_putstr(file, "int current_cpu;\n");
> + lf_putstr(file, "volatile int current_cpu;\n");
> }
>
> if ((code & generate_with_icache)) {
> - lf_putstr(file, "int cpu_nr;\n");
> + lf_putstr(file, "volatile int cpu_nr;\n");
> lf_putstr(file, "\n");
> lf_putstr(file, "/* flush the icache of a possible break insn */\n");
> lf_putstr(file, "for (cpu_nr = 0; cpu_nr < nr_cpus; cpu_nr++)\n");
>
> seems to work for me.
Neither of these volatile qualifiers are necessary for defined operation.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38587
