On Tue, Oct 24, 2023 at 6:10 PM Richard Sandiford
wrote:
>
> The files changed in this patch had tests for masked and unmasked
> popcnt. However, the mask inputs to the masked forms were undefined,
> and would be set to zero by init_regs. Any combine-like pass that
> ran after init_regs could th
The files changed in this patch had tests for masked and unmasked
popcnt. However, the mask inputs to the masked forms were undefined,
and would be set to zero by init_regs. Any combine-like pass that
ran after init_regs could then fold the masked forms into the
unmasked ones. I saw this while t