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Re: Another cprop trap_if fix, PR79125

From: Jeff Law <law at redhat dot com>
To: Bernd Schmidt <bschmidt at redhat dot com>, GCC Patches <gcc-patches at gcc dot gnu dot org>
Date: Fri, 20 Jan 2017 12:57:05 -0700
Subject: Re: Another cprop trap_if fix, PR79125
Authentication-results: sourceware.org; auth=none
References: <574ae494-b35d-ab80-fe03-3ee3aafdd5ab@redhat.com>

On 01/20/2017 05:24 AM, Bernd Schmidt wrote:

This is essentially the same patch I sent for the previous instance of
this problem, but this time applied to local_cprop_pass. Bootstrapped
and tested on x86_64-linux, and it seems to fix the testcase with a ppc
cross. Ok?


Bernd

pr79125.diff


	PR rtl-optimization/79125
	* cprop.c (local_cprop_pass): Handle cases where we make an
	unconditional trap.

	PR rtl-optimization/79125
	* gcc.dg/torture/pr79125.c: New test.

OK. Though part of me dislikes having this code appear twice, but I canlive with it.


jeff

References:
- Another cprop trap_if fix, PR79125
  - From: Bernd Schmidt

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