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Re: [PATCH] Fix if (cond) x = a -> x = cond ? a : x conversion (PR rtl-optimization/23567)

From: Jakub Jelinek <jakub at redhat dot com>
To: Richard Henderson <rth at redhat dot com>, Roger Sayle <roger at eyesopen dot com>, gcc-patches at gcc dot gnu dot org
Date: Fri, 4 Nov 2005 16:02:03 -0500
Subject: Re: [PATCH] Fix if (cond) x = a -> x = cond ? a : x conversion (PR rtl-optimization/23567)
References: <20051104134041.GE16034@devserv.devel.redhat.com> <20051104195945.GC12677@redhat.com> <20051104201503.GJ16034@devserv.devel.redhat.com> <20051104205315.GA12927@redhat.com>
Reply-to: Jakub Jelinek <jakub at redhat dot com>

On Fri, Nov 04, 2005 at 12:53:15PM -0800, Richard Henderson wrote:
> How are you reproducing this problem?  I'm seeing the entire if
> condition being removed with -O1 -fno-tree-dominator-opts...

On gcc-4_0-branch (SVN as of today), x86_64, -O1.
On HEAD I could reproduce it back in end of August, with
-O1 -fno-tree-dominator-opts.  Since then HEAD changed again
and I can't reproduce it there even with those options.

	Jakub

References:
- [PATCH] Fix if (cond) x = a -> x = cond ? a : x conversion (PR rtl-optimization/23567)
  - From: Jakub Jelinek
- Re: [PATCH] Fix if (cond) x = a -> x = cond ? a : x conversion (PR rtl-optimization/23567)
  - From: Richard Henderson
- Re: [PATCH] Fix if (cond) x = a -> x = cond ? a : x conversion (PR rtl-optimization/23567)
  - From: Jakub Jelinek
- Re: [PATCH] Fix if (cond) x = a -> x = cond ? a : x conversion (PR rtl-optimization/23567)
  - From: Richard Henderson

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