Posting the ChangeLog before pushing.
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gcc/ChangeLog:
* ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Estimate insns costs.
(noce_process_if_block): Use potential costs.
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 () rejecti
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 tempor
