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Re: fschedule insn 2

From: Vladimir Makarov <vmakarov at redhat dot com>
To: Rohit Arul Raj <rohitarulraj at gmail dot com>
Cc: gcc <gcc at gcc dot gnu dot org>
Date: Tue, 21 Nov 2006 12:25:04 -0500
Subject: Re: fschedule insn 2
References: <c356fd4e0611210224h7652ff23t3cedf2466ad01f4@mail.gmail.com>

Rohit Arul Raj wrote:

Hi all,

I am  migrating a private target from 3.2 to GCC 4.1.1. While running
the test suites, there are lots of execution errors due to
fschedule-insns2. If i use fno-schedule-insns2, all those tests are
cleared.

1. Is it advisable to reset this flag in optimization_options(int
level, int size ATTRIBUTE_UNUSED) function (target.c file).

2. What are the other steps i can follow to counter these kind of errors?

More details are needed. But even in this case it is hard to help you because your target is private.

I have only one guess that your tests are not ANSI C ones and that you should use -fno-strict-aliasing.

Vlad

References:
- fschedule insn 2
  - From: Rohit Arul Raj

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