From: Richard Henderson <rth@twiddle.net>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: linux-kernel@vger.kernel.org, klibc@zytor.com
Subject: Re: [klibc 04/31] alpha support for klibc
Date: Wed, 28 Jun 2006 08:43:20 -0700 [thread overview]
Message-ID: <20060628154320.GA18511@twiddle.net> (raw)
In-Reply-To: <klibc.200606272217.04@tazenda.hos.anvin.org>
On Tue, Jun 27, 2006 at 10:17:04PM -0700, H. Peter Anvin wrote:
> +# Special CFLAGS for the divide code
> +DIVCFLAGS = $(KLIBCREQFLAGS) $(KLIBCARCHREQFLAGS) \
> + -O3 -fomit-frame-pointer -fcall-saved-1 -fcall-saved-2 \
> + -fcall-saved-3 -fcall-saved-4 -fcall-saved-5 -fcall-saved-6 \
> + -fcall-saved-7 -fcall-saved-8 -ffixed-15 -fcall-saved-16 \
> + -fcall-saved-17 -fcall-saved-18 -fcall-saved-19 -fcall-saved-20 \
> + -fcall-saved-21 -fcall-saved-22 -ffixed-23 -fcall-saved-24 \
> + -ffixed-25 -ffixed-27
These routines absolutely cannot be written in C. The return value
goes in a different register, which you cannot modify via compiler
flags. Please use the hand-coded assembly from linux/arch/alpha/lib/.
r~
next prev parent reply other threads:[~2006-06-28 15:43 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-28 5:17 [klibc 00/31] klibc as a historyless patchset (updated and reorganized) H. Peter Anvin
2006-06-28 5:17 ` [klibc 01/31] Add klibc/kinit to MAINTAINERS file H. Peter Anvin
2006-06-28 5:17 ` [klibc 02/31] Main Makefile changes for klibc H. Peter Anvin
2006-06-28 5:17 ` [klibc 03/31] Core klibc code H. Peter Anvin
2006-06-28 5:17 ` [klibc 04/31] alpha support for klibc H. Peter Anvin
2006-06-28 15:43 ` Richard Henderson [this message]
2006-06-28 15:51 ` H. Peter Anvin
2006-06-28 5:17 ` [klibc 05/31] arm " H. Peter Anvin
2006-06-28 5:17 ` [klibc 06/31] cris " H. Peter Anvin
2006-06-28 5:17 ` [klibc 07/31] i386 " H. Peter Anvin
2006-06-28 7:37 ` Jan Engelhardt
2006-06-28 15:33 ` H. Peter Anvin
2006-06-28 16:44 ` H. Peter Anvin
2006-06-29 0:14 ` Roman Zippel
2006-06-29 0:45 ` H. Peter Anvin
2006-06-29 23:43 ` Roman Zippel
2006-06-29 23:54 ` H. Peter Anvin
2006-06-30 0:23 ` Roman Zippel
2006-06-30 1:28 ` [klibc] " Aaron Griffin
2006-06-30 13:56 ` Jan Engelhardt
2006-06-28 5:17 ` [klibc 08/31] ia64 " H. Peter Anvin
2006-06-28 5:17 ` [klibc 09/31] m32r " H. Peter Anvin
2006-06-28 5:17 ` [klibc 10/31] m68k " H. Peter Anvin
2006-06-28 5:17 ` [klibc 11/31] mips " H. Peter Anvin
2006-06-28 5:17 ` [klibc 12/31] mips64 " H. Peter Anvin
2006-06-28 5:17 ` [klibc 13/31] parisc " H. Peter Anvin
2006-06-28 5:17 ` [klibc 14/31] ppc " H. Peter Anvin
2006-06-28 5:17 ` [klibc 15/31] ppc64 " H. Peter Anvin
2006-06-28 5:17 ` [klibc 16/31] s390 " H. Peter Anvin
2006-06-28 5:17 ` [klibc 17/31] sh " H. Peter Anvin
2006-06-28 5:17 ` [klibc 18/31] sparc " H. Peter Anvin
2006-06-28 5:17 ` [klibc 19/31] sparc64 " H. Peter Anvin
2006-06-28 5:17 ` [klibc 20/31] x86_64 " H. Peter Anvin
2006-06-28 5:17 ` [klibc 21/31] Simple test suite " H. Peter Anvin
2006-06-28 5:17 ` [klibc 22/31] zlib " H. Peter Anvin
2006-06-28 5:17 ` [klibc 23/31] kinit: replacement for in-kernel do_mount, ipconfig, nfsroot H. Peter Anvin
2006-06-28 5:17 ` [klibc 24/31] klibc basic build infrastructure H. Peter Anvin
2006-06-28 5:17 ` [klibc 25/31] Miscellaneous utilities for klibc H. Peter Anvin
2006-06-28 5:17 ` [klibc 26/31] dash - a small POSIX shell " H. Peter Anvin
2006-06-28 5:17 ` [klibc 27/31] A port of gzip to klibc H. Peter Anvin
2006-06-28 5:17 ` [klibc 28/31] sparc64: transmit arch-specific options to kinit via /arch.cmd H. Peter Anvin
2006-06-28 5:17 ` [klibc 29/31] sparc32: transfer arch-specific options to /arch.cmd H. Peter Anvin
2006-06-28 5:17 ` [klibc 30/31] Remove in-kernel resume-from-disk invocation code H. Peter Anvin
2006-07-05 23:40 ` Nigel Cunningham
2006-07-05 23:58 ` Joshua Hudson
2006-07-06 0:11 ` H. Peter Anvin
2006-07-06 0:37 ` Nigel Cunningham
2006-07-06 0:54 ` H. Peter Anvin
2006-07-06 1:45 ` Nigel Cunningham
2006-07-06 2:18 ` Nigel Cunningham
2006-07-06 3:11 ` H. Peter Anvin
2006-07-06 3:28 ` Nigel Cunningham
2006-07-06 10:26 ` Pavel Machek
[not found] ` <200607061028.k66AS8UB012207@smtp.micromuse.com>
2006-07-06 10:58 ` IBM spam Re: " Pavel Machek
2006-07-06 13:02 ` Sean Young
2006-07-06 8:31 ` [klibc] " maximilian attems
2006-07-06 8:37 ` H. Peter Anvin
2006-06-28 5:17 ` [klibc 31/31] Remove in-kernel root-mounting code H. Peter Anvin
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