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Re: [PATCH, committed] eq SCC splitter

From: Richard Henderson <rth at redhat dot com>
To: David Edelsohn <dje at watson dot ibm dot com>
Cc: gcc-patches at gcc dot gnu dot org
Date: Thu, 9 Jun 2005 12:28:14 -0700
Subject: Re: [PATCH, committed] eq SCC splitter
References: <20050608184747.GE10978@redhat.com> <200506091902.j59J2B031160@makai.watson.ibm.com>

On Thu, Jun 09, 2005 at 03:02:11PM -0400, David Edelsohn wrote:
> ! 	(eq:GPR (match_operand:GPR 1 "gpc_reg_operand" "r")
> ! 		(match_operand:GPR 2 "scc_eq_operand" "ri")))

You don't want "i".  That will accept any integral value at all
during reload, and then will fail to match the splitter post
reload, and then ICE.  You want the correct set of IJK constraints.

r~

References:
- Re: [PATCH, committed] Prefer CTR to LR, eq SCC splitter
  - From: Richard Henderson
- Re: [PATCH, committed] eq SCC splitter
  - From: David Edelsohn

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