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Re: [G]CSE of extended asm statements
- To: Alexandre Oliva <aoliva at redhat dot com>
- Subject: Re: [G]CSE of extended asm statements
- From: Richard Henderson <rth at cygnus dot com>
- Date: Tue, 29 Aug 2000 16:00:31 -0700
- Cc: gcc-patches at gcc dot gnu dot org
- References: <orem3araft.fsf@guarana.lsd.ic.unicamp.br>
On Sun, Aug 27, 2000 at 12:27:34PM -0300, Alexandre Oliva wrote:
> I was thinking of factoring out the vector elements that are shared by
> all output operands of a single asm statement ...
Actually, the best way to represent this is with
(set (parallel [(out1) (out2) (out3)])
(asm_operand ...))
We already do something similar for calls that return
structs in multiple disjoint registers.
r~