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Re: generalizing the delay rtx function
- To: "Frank Ch. Eigler" <fche at redhat dot com>
- Subject: Re: generalizing the delay rtx function
- From: Ben Elliston <bje at redhat dot com>
- Date: Tue, 13 Mar 2001 15:03:45 +1100 (EST)
- Cc: cgen at sources dot redhat dot com
- References: <20010308160106.A28162@redhat.com>
>>>>> "Frank" == Frank Ch Eigler <fche@redhat.com> writes:
Frank> This way, code like
Frank> (set reg1 1)
Frank> (delay 0 (set reg1 3))
Frank> (delay 1 (set reg2 5))
Frank> (delay 2 (set reg1 6))
Frank> would each be well-defined and useful.
Frank> An alternate cgen syntax possibility is to introduce a
Frank> (delayed-set N lvalue rvalue)
Frank> rtx.
Frank> Any advice?
My preference is for the more generalised form of (delay ..). It
looks very useful, I might add.
Ben