On Tue, Aug 3, 2021 at 3:52 PM Richard Sandiford via Gcc-patches
wrote:
>
> This patch uses a more accurate scalar iteration estimate when
> comparing the epilogue of a constant-iteration loop with a candidate
> replacement epilogue.
>
> In the testcase, the patch prevents a 1-to-3-element SVE epi
This patch uses a more accurate scalar iteration estimate when
comparing the epilogue of a constant-iteration loop with a candidate
replacement epilogue.
In the testcase, the patch prevents a 1-to-3-element SVE epilogue
from seeming better than a 64-bit Advanced SIMD epilogue.
Tested on aarch64-l
