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Re: RFA: Add new (ARM) sibcall test case
- From: Richard Earnshaw <rearnsha at arm dot com>
- To: Nick Clifton <nickc at redhat dot com>
- Cc: Richard dot Earnshaw at arm dot com, gcc-patches at gcc dot gnu dot org
- Date: Mon, 20 Jan 2003 18:19:13 +0000
- Subject: Re: RFA: Add new (ARM) sibcall test case
- Organization: ARM Ltd.
- Reply-to: Richard dot Earnshaw at arm dot com
> Hi Richard,
>
> > Surely, adding this prologue_use to the sibcall insn will cause the
> > link register to be "live" during register allocation, which will
> > cause it to get saved and restored even if its only use is the
> > epilogue; that's what we used to have happen before this patch was
> > added:
>
> Nope, with my patch applied you get code like this:
Sounds good then,
R.