Date: Wed, 28 Apr 1999 13:22:22 +0200 (DFT)
From: Ulrich Roglin <roglin AT swh600 DOT langen DOT bull DOT de>
To: pgcc AT delorie DOT com
Subject: pgcc-1.1.3 misoptimizes with -fcompare-elim
Message-Id: <Pine.A32.3.90.990428113051.57343B-100000@swh600.langen.bull.de>
Mime-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Reply-To: pgcc AT delorie DOT com


The following program gets misoptimized with -O2 -fcompare-elim
by a bootstraped pgcc-1.1.3 on a Debian 2.1 Linux system.
It compiles OK with just -O2 or if you omit static in the source.

main()
{
  static int a[1] = { 11 };
  int x=0;
  while (x<10)
  {
    x += a[0];
  }
}

Uli