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Re: Ask for help: constraints error

From: "H.J. Lu" <hjl dot tools at gmail dot com>
To: "Ye, Joey" <joey dot ye at intel dot com>
Cc: gcc at gcc dot gnu dot org
Date: Fri, 20 Jun 2008 16:59:32 -0700
Subject: Re: Ask for help: constraints error
References: <BB577BF501703042AD7E08EADD8E514FF5DE22@pdsmsx415.ccr.corp.intel.com>

On Sat, Jun 21, 2008 at 06:50:26AM +0800, Joey Ye wrote:
> I got following error after changing some GCC code, can anyone give me
> some hints what's wrong here?
> 
> ---
> error: insn does not satisfy its constraints:
> (insn:HI 690 689 1267 79 libgcc/config/libbid/bid_binarydecimal.c:146450
> (parallel [
>             (set (mem/c:DI (plus:SI (reg:SI 2 cx [59])
						^^^
>                         (const_int -264 [0xfffffffffffffef8])) [1440
> lC.3833+0 S8 A64])
>                 (sign_extend:DI (reg:SI 0 ax [351])))
>             (clobber (reg:CC 17 flags))
>             (clobber (reg:SI 2 cx))
				 ^^^
>         ]) 123 {*extendsidi2_1} (nil))

I don't think you can use cx for both clobber and memory address.


H.J.

References:
- Ask for help: constraints error
  - From: Ye, Joey

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