From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from az33egw02.freescale.net (az33egw02.freescale.net [192.88.158.103]) by ozlabs.org (Postfix) with ESMTP id F3602DDE16 for ; Fri, 12 Jan 2007 19:09:45 +1100 (EST) Received: from az33smr02.freescale.net (az33smr02.freescale.net [10.64.34.200]) by az33egw02.freescale.net (8.12.11/az33egw02) with ESMTP id l0C89h0B017026 for ; Fri, 12 Jan 2007 01:09:43 -0700 (MST) Received: from zch01exm20.fsl.freescale.net (zch01exm20.ap.freescale.net [10.192.129.204]) by az33smr02.freescale.net (8.13.1/8.13.0) with ESMTP id l0C89fNq020204 for ; Fri, 12 Jan 2007 02:09:42 -0600 (CST) MIME-Version: 1.0 Content-Type: text/plain; charset="GB2312" Subject: RE: [patch][0/5] powerpc: Add support to fully comply with IEEE-754 standard Date: Fri, 12 Jan 2007 16:09:29 +0800 Message-ID: <32F3CC26D4DAC44E8ECD07155727A46E816A58@zch01exm20.fsl.freescale.net> In-Reply-To: From: "Zhu Ebony-r57400" To: "Kumar Gala" Cc: linuxppc-dev@ozlabs.org, paulus@samba.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi Kumar, > -----Original Message----- > From: Kumar Gala [mailto:galak@kernel.crashing.org]=20 > Sent: 2007=C4=EA1=D4=C212=C8=D5 14:42 > To: Zhu Ebony-r57400 > Cc: paulus@samba.org; linuxppc-dev@ozlabs.org > Subject: Re: [patch][0/5] powerpc: Add support to fully=20 > comply with IEEE-754 standard >=20 >=20 > On Jan 11, 2007, at 11:19 PM, Zhu Ebony-r57400 wrote: >=20 > > Hi Paul, > > > > This series of patch add support to fully comply with IEEE-754=20 > > standard for E500/E500v2 core when hardware floating point=20 > compiling=20 > > is used. > > > > Ebony >=20 > Here are some general comments: > * We should be able to support math-emu (as it stands) and=20 > the fixup handling [you break math-emu] I don't think I break the math-emu. I think the codes I added have no impact to the existing math-emu. > * Copyrights / header comments should give credit to the orig=20 > math- emu code I'd like to do this, but in most handler codes, I can't find copyright = information of the orig authors. I think the math-emu code comes from glibc. In the sigfpe_handler.c, I gave credit to the orig author. > * Why isn't there any handling of SPEFloatingPointRound exceptions? I think the SPEFloatingPointRound exception is not necessary to handle = if we handle floating point exception this way.=20 >=20 > - k >=20