On 12/6/2021 11:43 AM, Robin Dapp via Gcc-patches wrote:
When noce_convert_multiple is called the original costs are not yet initialized. Therefore, up to now, costs were only ever unfairly compared against COSTS_N_INSNS (2). This would lead to default_noce_conversion_profitable_p () rejecting all but the most contrived of sequences. This patch temporarily initializes the original costs by counting adding costs for all sets inside the then_bb. --- gcc/ifcvt.c | 31 +++++++++++++++++++++++++++---- 1 file changed, 27 insertions(+), 4 deletions(-)
OK with a ChangeLog once the prereqs are approved. jeff
