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Re: New test for g77 regression
- From: Dale Johannesen <dalej at apple dot com>
- To: David Edelsohn <dje at watson dot ibm dot com>
- Cc: Dale Johannesen <dalej at apple dot com>, Jeffrey Law <law at redhat dot com>, Richard Henderson <rth at redhat dot com>, gcc-patches at gcc dot gnu dot org
- Date: Thu, 7 Mar 2002 11:29:39 -0800
- Subject: Re: New test for g77 regression
On Thursday, March 7, 2002, at 11:13 AM, David Edelsohn wrote:
> [Quoting private email with Jeff's permission.]
>
> Jeff> You'll get an unrecognizable insn like this:
>
> (insn 706 705 317 (set (mem:CC (plus:SI (plus:SI (reg/f:SI 1 r1)
> (const_int 65536 [0x10000]))
> (const_int 16400 [0x4010])) [3 S4 A8])
> (reg:CC 10 r10)) -1 (nil)
> (nil))
This bug has already been reported twice, as described here
http://gcc.gnu.org/ml/gcc-patches/2002-01/msg01398.html
I described how to fix it in ppc-specific fashion (pointed to from above)
but I don't think that's really correct.
Franz Sirl posted a target-independent attempt here
http://gcc.gnu.org/ml/gcc-patches/2002-02/msg01568.html
which is awaiting approval. I really wish one of the reload experts
would look at this problem.