On 03/05/2013 09:26 AM, Jakub Jelinek wrote:
Hi!
Without this patch, ifcvt extends lifetime of %eax hard register,
which causes reload/LRA ICE later on. Combiner and other passes try hard
not to do that, even ifcvt has code for it if x is a hard register a few
lines below it, but in this case
Without this patch, ifcvt extends lifetime of %eax hard register,
which causes reload/LRA ICE later on. Combiner and other passes try hard
not to do that, even ifcvt has code for it if x is a hard register a few
lines below it, but in this case the hard register is SET_SRC (set_b).
With
On Tue, Mar 05, 2013 at 06:28:13PM +0100, Eric Botcazou wrote:
Without this patch, ifcvt extends lifetime of %eax hard register,
which causes reload/LRA ICE later on. Combiner and other passes try hard
not to do that, even ifcvt has code for it if x is a hard register a few
lines below
On Tue, Mar 05, 2013 at 11:03:13PM +0100, Jakub Jelinek wrote:
ifcvt.c tests only small_register_classes_for_mode_p in the other places,
so
do you really need class_likely_spilled_p here?
I guess I don't. I've grepped for small_register_classes_for_mode_p and
didn't see
anything in
