Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/i8k.c ? | KernelTrap

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/i8k.c ?

view
thread

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

[view in full thread]

From: Jakub Jelinek

Subject: Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/i8k.c ?

Date: Monday, November 8, 2010 - 4:53 am

On Mon, Nov 08, 2010 at 06:47:59AM -0500, Paul Koning wrote:
quoted text> I don't know about 4.5, but I noticed that with 4.6 (trunk), testcasese
> like gcc.c-torture/compile/20000804-1.c optimize away the asm and all the
> operand generation except for -O0.

That's fine, the asm isn't volatile and the output is not used.

	Jakub
--
unsubscribe noticeTo unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

Messages in current thread:

gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/i8k.c ?, Jim, (Sat Nov 6, 4:15 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char ..., Andi Kleen, (Sun Nov 7, 2:31 pm)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char ..., Andreas Schwab, (Sun Nov 7, 3:41 pm)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char ..., Andi Kleen, (Sun Nov 7, 4:03 pm)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Richard Guenther, (Mon Nov 8, 3:49 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Andi Kleen, (Mon Nov 8, 4:20 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Richard Guenther, (Mon Nov 8, 4:20 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Paul Koning, (Mon Nov 8, 4:47 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Jakub Jelinek, (Mon Nov 8, 4:53 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Michael Matz, (Mon Nov 8, 5:20 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Dave Korn, (Mon Nov 8, 11:39 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Michael Matz, (Tue Nov 9, 6:00 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Andi Kleen, (Tue Nov 9, 6:48 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Andreas Schwab, (Tue Nov 9, 6:57 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Jim, (Tue Nov 9, 9:43 am)

[PATCH] i8k: Tell gcc that *regs gets clobbered, Jim Bos, (Sat Nov 13, 4:13 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., James Cloos, (Sun Nov 14, 5:52 pm)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Linus Torvalds, (Sun Nov 14, 8:21 pm)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Jakub Jelinek, (Mon Nov 15, 1:56 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Andi Kleen, (Mon Nov 15, 2:12 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Jakub Jelinek, (Mon Nov 15, 2:20 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Jakub Jelinek, (Mon Nov 15, 3:03 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Richard Guenther, (Mon Nov 15, 3:24 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Andi Kleen, (Mon Nov 15, 3:54 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Jakub Jelinek, (Mon Nov 15, 4:16 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Andi Kleen, (Mon Nov 15, 4:37 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Linus Torvalds, (Mon Nov 15, 9:04 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Jim Bos, (Mon Nov 15, 10:36 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Jim Bos, (Mon Nov 15, 10:40 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Jakub Jelinek, (Mon Nov 15, 10:44 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Linus Torvalds, (Mon Nov 15, 11:08 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Jim Bos, (Mon Nov 15, 11:17 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Jakub Jelinek, (Mon Nov 15, 11:26 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Jim Bos, (Mon Nov 15, 11:30 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Jim Bos, (Mon Nov 15, 11:37 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char ..., Jeff Law, (Mon Nov 15, 11:42 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Jeff Law, (Mon Nov 15, 11:45 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Linus Torvalds, (Mon Nov 15, 11:56 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Jakub Jelinek, (Mon Nov 15, 11:58 am)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Linus Torvalds, (Mon Nov 15, 12:04 pm)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Jim Bos, (Mon Nov 15, 12:10 pm)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Jakub Jelinek, (Mon Nov 15, 12:12 pm)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Linus Torvalds, (Mon Nov 15, 12:21 pm)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Jakub Jelinek, (Mon Nov 15, 12:51 pm)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Richard Henderson, (Mon Nov 15, 12:53 pm)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Jim Bos, (Mon Nov 15, 1:22 pm)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Richard Guenther, (Mon Nov 15, 3:07 pm)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Andi Kleen, (Mon Nov 15, 3:43 pm)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Jakub Jelinek, (Mon Nov 15, 3:46 pm)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Jeff Law, (Mon Nov 15, 3:58 pm)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Richard Guenther, (Mon Nov 15, 4:07 pm)

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/ ..., Jeff Law, (Mon Nov 15, 9:10 pm)

Navigation

Popular discussions


linux-kernel:
Greg Kroah-Hartman	[PATCH 041/196] kobject: add kobject_init_and_add function
Lukas Hejtmanek	Re: Another libata error related to OCZ SSD
Greg Kroah-Hartman	[PATCH 023/196] MCP_UCB1200: Convert from class_device to device
Florian Fainelli	Re: System clock runs too fast after 2.6.27 -> 2.6.28.1 upgrade
Christoph Lameter	[patch 1/4] mmu_notifier: Core code
git:
Johannes Schindelin	Re: [PATCH 1/2] Add strbuf_initf()
John Bito	[EGIT] Push to GitHub caused corruption
Jakub Narebski	Re: [PATCH 0/2] gitweb: patch view
Junio C Hamano	Re: [PATCH] When a remote is added but not fetched, tell the user.
Andy Parkins	Re: [RFC] Submodules in GIT
git-commits-head:
Linux Kernel Mailing List	ahci: Workaround HW bug for SB600/700 SATA controller PMP support
Linux Kernel Mailing List	V4L/DVB (11086): au0828: rename macro for currently non-function VBI support
Linux Kernel Mailing List	ceph: client types
Linux Kernel Mailing List	ceph: on-wire types
Linux Kernel Mailing List	crypto: chainiv - Use kcrypto_wq instead of keventd_wq
linux-netdev:
Andrew Morton	Re: [Bugme-new] [Bug 14969] New: b44: WOL does not work in suspended state
Giuseppe CAVALLARO	Re: [PATCH 03/13] stmmac: add the new Header file for stmmac platform data
Taku Izumi	[PATCH 3/3] ixgbe: add registers etc. printout code just before resetting adapters
Eric Dumazet	rps: some comments
Thomas Gleixner	Re: [RFC PATCH 02/12] On Tue, 23 Sep 2008, David Miller wrote:
openbsd-misc:
Stephan Andreas	problems with login after xlock in OpenBSD release 4.7
pmc	Make A Change. Alcoholism and Drug Addiction Treatment
ropers	Re: what exactly is enc0?
Fuad NAHDI	Re: What does your environment look like?
Matthew Szudzik	Typo on OpenBSD 4.4 CD Set

Colocation donated by:

Syndicate