On Mon, Feb 24, 2025 at 10:46 AM Richard Biener
<[email protected]> wrote:
> /* Otherwise, if this register is used by I3, then this register
> now dies here, so we must put a REG_DEAD note here unless there
> is one already. */
> else if (reg_referenced_p (XEXP (note, 0), PATTERN (i3))
> {
> if (! (REG_P (XEXP (note, 0))
> ? find_regno_note (i3, REG_DEAD,
> REGNO (XEXP (note, 0)))
> : find_reg_note (i3, REG_DEAD, XEXP (note, 0))))
> {
> PUT_REG_NOTE_KIND (note, REG_DEAD);
> place = i3;
> }
> }
>
> ? At least the else { case seems to assume the reg isn't refernced in i3.
> The comment wording might also need an update of course.
Reading the comment a couple of times, considering that "here" and
"there" means I3 and that "one" means REG_DEAD note for "this
register" in I3, the comment actually makes sense.
Uros.
