Skip site navigation (1) Skip section navigation (2)

Re: planner fails on HEAD

From: Merlin Moncure <mmoncure(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: planner fails on HEAD
Date: 2011-12-05 14:01:52
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
On Sun, Dec 4, 2011 at 4:55 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> writes:
>> it looks like gcc bug - gcc 4.5.1 20100924 (Red Hat 4.5.1) It was
>> configured just with --enable-debug and --enable-cassert
> Is this x86?  I can't reproduce it on x86_64.

reading all the comments in the gcc bug report, this is because x86
targets the x87 fpu by default which is where the bug is -- it's a
hardware problem.  x86_64 targets sse which has stricter standards for
rounding.  most x86 processors support sse -- is there a reason why we
don't target sse?


In response to


pgsql-hackers by date

Next:From: NISHIYAMA TomoakiDate: 2011-12-05 14:31:32
Subject: Re: [PATCH] PostgreSQL fails to build with 32bit MinGW-w64
Previous:From: Kohei KaiGaiDate: 2011-12-05 13:54:09
Subject: Re: Prep object creation hooks, and related sepgsql updates

Privacy Policy | About PostgreSQL
Copyright © 1996-2018 The PostgreSQL Global Development Group