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Re: question about constant-folding compares...
- To: Alan Lehotsky <lehotsky at mc dot com>
- Subject: Re: question about constant-folding compares...
- From: Richard Henderson <rth at cygnus dot com>
- Date: Mon, 27 Sep 1999 16:46:24 -0700
- Cc: gcc at gcc dot gnu dot org
- References: <199909271543.LAA28484@honda.mc.com>
On Mon, Sep 27, 1999 at 11:43:18AM -0400, Alan Lehotsky wrote:
> But because combine tried to construct a
>
> (parallel [(set (cc0) (reg:SI 126))
> (set (reg 130) (const_int 0))])
It did this because reg 130 is live after the instruction.
This seems like something that CSE should have handled.
> Is this something that the 2.95 GCSE pass handles?
No.
r~