https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110120
Hans-Peter Nilsson <hp at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned at gcc dot gnu.org |hp at gcc dot gnu.org
--- Comment #8 from Hans-Peter Nilsson <hp at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #4)
> (In reply to Andrew Pinski from comment #3)
> > Most likely caused by r14-1526-g3991b2f623d22dea19c
>
> Specifically this part of the change:
> - if (costs_lt_p (&newcst, &oldcst, speed))
> +
> + /* We perform this replacement only if NEXT is either a
> + naked SET, or else its single_set is the first element
> + in a PARALLEL. */
> + rtx *setloc = GET_CODE (PATTERN (insn)) == PARALLEL
> + ? &XEXP (PATTERN (insn), 0) : &PATTERN (insn);
> + if (*setloc == set && costs_lt_p (&newcst, &oldcst, speed))
>
>
> XEXP on PARALLEL is not correct. XVECEXP (PATTERN (insn), 0, 0) would be
> correct based on the comment.
Oops. Of course. Nobody with the obvious patch yet? I'm on it, need just one
and a half bootstrap...
