On 02/13/2012 03:17 PM, Jakub Jelinek wrote:
> 2012-02-13 Jakub Jelinek
>
> PR bootstrap/52172
> * cselib.h (cselib_subst_to_values_from_insn): New prototype.
> * cselib.c (cselib_subst_to_values_from_insn): New function.
> * sched-deps.c (add_insn_mem_dependence,
>
Hi!
To avoid -fcompare-debug failures, we promote_debug_loc VALUEs looked
up from DEBUG_INSNs when they are looked from some other insns.
Unfortunately, the scheduler after cselib_lookup_from_insn from
DEBUG_INSN calls cselib_subst_to_values, which may e.g. cselib_lookup_mem
(with create=0). As t