On Wed, 23 Sep 2020, Ilya Leoshkevich via Gcc wrote:
> Hi,
>
> "Defining How to Split Instructions" in gccint states the following:
>
> The preparation-statements are similar to those statements that are
> specified for define_expand ... Unlike those in define_expand, however,
> these statements mu
On Wed, Sep 23, 2020 at 7:51 AM Ilya Leoshkevich via Gcc
wrote:
> Is this restriction still valid today? Is there a reason we can't
> introduce new pseudos in a splitter before LRA?
See
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91683
for an example of what can go wrong when a splitter cre
Hi,
"Defining How to Split Instructions" in gccint states the following:
The preparation-statements are similar to those statements that are
specified for define_expand ... Unlike those in define_expand, however,
these statements must not generate any new pseudo-registers.
I see that there is co