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Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."

From: kenner at vlsi1 dot ultra dot nyu dot edu (Richard Kenner)
To: richard dot guenther at gmail dot com
Cc: autoconf-patches at gnu dot org, bug-gnulib at gnu dot org, eggert at cs dot ucla dot edu, gcc at gcc dot gnu dot org
Date: Sat, 30 Dec 2006 08:09:33 EST
Subject: Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."
References: <200612291732.kBTHWNkC024013@localhost.localdomain> <871wmipecd.fsf@mid.deneb.enyo.de> <20061229215223.GA25381@nevyn.them.org> <84fc9c000612291357x7c6568ecvb19bdb94d923d137@mail.gmail.com> <87odpmkzqs.fsf@penguin.cs.ucla.edu> <84fc9c000612300422v7680a292kf9b250e61e6b0265@mail.gmail.com>

> Where does GCC assume wrapv semantics?

The macro OVERFLOW_SUM_SIGN in fold-const.c.

References:
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."
  - From: Andrew Pinski
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."
  - From: Florian Weimer
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."
  - From: Daniel Jacobowitz
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."
  - From: Richard Guenther
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."
  - From: Paul Eggert
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."
  - From: Richard Guenther

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