On Thu, Apr 27, 2023 at 1:48 PM Alexandre Oliva via Gcc-patches
wrote:
>
>
> The optimization barriers inserted after compares enable GCC to derive
> information about the values from e.g. the taken paths, or the absence
> of exceptions. Move them before the original compares, so that the
> rever
The optimization barriers inserted after compares enable GCC to derive
information about the values from e.g. the taken paths, or the absence
of exceptions. Move them before the original compares, so that the
reversed compares test copies of the original operands, without
further optimizations.
