optimization/6233: simple loop miscompilation

[Richard Henderson]

The following reply was made to PR optimization/6233; it has been noted by GNATS.

From: Richard Henderson <rth@redhat.com>
To: gcc-gnats@gcc.gnu.org, gcc-patches@gcc.gnu.org
Cc:  
Subject: Re: optimization/6233: simple loop miscompilation
Date: Tue, 9 Apr 2002 19:03:42 -0700

 On Wed, Apr 10, 2002 at 10:32:37AM +0930, Alan Modra wrote:
 > 	* rtlanal.c (pure_call_p): New function.
 > 	* rtl.h (pure_call_p): Declare.
 > 	* loop.c (prescan_loop): Use it to set has_nonconst_call.
 
 Much better, thanks.
 
 For mainline, would you change store_killed_in_insn
 to use this too, please?
 
 
 r~