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Re: A combiner type optimization is causing a failure

From: Paolo Bonzini <paolo dot bonzini at lu dot unisi dot ch>
To: Pranav Bhandarkar <pranav dot bhandarkar at gmail dot com>
Cc: gcc at gnu dot org
Date: Thu, 22 Feb 2007 15:34:26 +0100
Subject: Re: A combiner type optimization is causing a failure
References: <649555d50702220556n184dda0eq6a568ca9471152e7@mail.gmail.com>

My question is that, IMO the test is checking overflow behaviour. Is
it right to have such a test ?

Would you care to prepare a patch that moved it under gcc.dg, adding a { dg-options "-O2 -fno-strict-overflow" } marker (or maybe "-O2 -fno-wrapv")? But your optimization should also be conditional on whether strict overflow behavior is requested.

Paolo

Follow-Ups:
- Re: A combiner type optimization is causing a failure
  - From: Pranav Bhandarkar

References:
- A combiner type optimization is causing a failure
  - From: Pranav Bhandarkar

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