Jeff approved this patch last year (thanks!):
https://gcc.gnu.org/pipermail/gcc-patches/2022-November/606362.html
I ended up not pushing it then because the things that used it didn't
go in. Now pushed after retesting on aarch64-linux-gnu.
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Epilogues for sibling calls are generated using the
On 11/11/22 09:22, Richard Sandiford via Gcc-patches wrote:
Epilogues for sibling calls are generated using the
sibcall_epilogue pattern. One disadvantage of this approach
is that the target doesn't know which call the epilogue is for,
even though the code that generates the pattern has the ca
Epilogues for sibling calls are generated using the
sibcall_epilogue pattern. One disadvantage of this approach
is that the target doesn't know which call the epilogue is for,
even though the code that generates the pattern has the call
to hand.
Although call instructions are currently rtxes, and
