optimization/2100: -fstrength-reduce (is active with -O2) produces wrong code

[Franz Sirl]

The following reply was made to PR optimization/2100; it has been noted by GNATS.

From: Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
To: Richard Henderson <rth@redhat.com>
Cc: rth@gcc.gnu.org,dllorens@inf.uji.es,gcc-bugs@gcc.gnu.org,
 nobody@gcc.gnu.org,gcc-gnats@gcc.gnu.org
Subject: Re: optimization/2100: -fstrength-reduce (is active with -O2)
  produces wrong code
Date: Wed, 03 Apr 2002 21:03:23 +0200

 At 23:43 02.04.2002, Richard Henderson wrote:
 >On Tue, Apr 02, 2002 at 11:32:12PM +0200, Franz Sirl wrote:
 > > Bad news, after reverting Jan's cost tweek the bug reappeared on
 > > i686-linux-gnu :-(. Should I add the testcase to the testsuite in mainline
 > > and branch even though it won't currently fail?
 >
 >Please.
 
 In case you haven't noticed yet, the testcase fails on x86-linux (mainline 
 and branch) if compiled with -Os.
 
 Franz.