Il 21/05/2012 19:49, Dimitrios Apostolou ha scritto:
>
> Thanks for reviewing, in the meantime I'll try to figure out why this
> patch doesn't offer any speed-up on ppc64 (doesn't break anything
> though), so expect a followup by tomorrow.
Perhaps you hit this?
else if (GET_CODE (XEXP (note, 0)) == CLOBBER)
{
if (REG_P (XEXP (XEXP (note, 0), 0)))
{
unsigned int regno = REGNO (XEXP (XEXP (note, 0), 0));
if (!TEST_HARD_REG_BIT (defs_generated, regno))
df_defs_record (collection_rec, XEXP (note, 0), bb,
insn_info, flags);
}
Paolo
