* [PATCH] x86: add optimisation option for k10 processors
@ 2010-12-19 21:45 Benjamin
2010-12-19 22:16 ` Jesper Juhl
2010-12-20 7:54 ` Borislav Petkov
0 siblings, 2 replies; 3+ messages in thread
From: Benjamin @ 2010-12-19 21:45 UTC (permalink / raw
To: linux-kernel
From: Benjamin Fair <masterme120@gmail.com>
This adds a config option to optimise for AMD family-k10 processors.
Signed-off-by: Benjamin Fair <masterme120@gmail.com>
diff -uNr linux-2.6.37-rc6.vanilla/arch/x86/Kconfig.cpu
linux-2.6.37-rc6/arch/x86/Kconfig.cpu
--- linux-2.6.37-rc6.vanilla/arch/x86/Kconfig.cpu 2010-12-15
20:24:48.000000000 -0500
+++ linux-2.6.37-rc6/arch/x86/Kconfig.cpu 2010-12-19 14:31:59.034429012
-0500
@@ -171,6 +171,13 @@
Enables use of some extended instructions, and passes appropriate
optimization flags to GCC.
+config MK10
+ bool "Phenom/Phenom-II/Athlon-II/K10/10h"
+ ---help---
+ Select this for an AMD K10-family processor. Also known as Family
+ 10h. Enables use of some extended instructions, and passes
+ appropriate optimization flags to GCC.
+
config MCRUSOE
bool "Crusoe"
depends on X86_32
@@ -313,7 +320,7 @@
config X86_L1_CACHE_SHIFT
int
default "7" if MPENTIUM4 || MPSC
- default "6" if MK7 || MK8 || MPENTIUMM || MCORE2 || MATOM || MVIAC7 ||
X86_GENERIC || GENERIC_CPU
+ default "6" if MK7 || MK8 || MK10 || MPENTIUMM || MCORE2 || MATOM ||
MVIAC7 || X86_GENERIC || GENERIC_CPU
default "4" if X86_ELAN || M486 || M386 || MGEODEGX1
default "5" if MWINCHIP3D || MWINCHIPC6 || MCRUSOE || MEFFICEON ||
MCYRIXIII || MK6 || MPENTIUMIII || MPENTIUMII || M686 || M586MMX ||
M586TSC || M586 || MVIAC3_2 || MGEODE_LX
@@ -364,11 +371,11 @@
config X86_INTEL_USERCOPY
def_bool y
- depends on MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII ||
M586MMX || X86_GENERIC || MK8 || MK7 || MEFFICEON || MCORE2
+ depends on MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII ||
M586MMX || X86_GENERIC || MK10 || MK8 || MK7 || MEFFICEON || MCORE2
config X86_USE_PPRO_CHECKSUM
def_bool y
- depends on MWINCHIP3D || MWINCHIPC6 || MCYRIXIII || MK7 || MK6 ||
MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MK8 ||
MVIAC3_2 || MEFFICEON || MGEODE_LX || MCORE2 || MATOM
+ depends on MWINCHIP3D || MWINCHIPC6 || MCYRIXIII || MK7 || MK6 ||
MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MK8 ||
MK10 || MVIAC3_2 || MEFFICEON || MGEODE_LX || MCORE2 || MATOM
config X86_USE_3DNOW
def_bool y
@@ -396,7 +403,7 @@
config X86_TSC
def_bool y
- depends on ((MWINCHIP3D || MCRUSOE || MEFFICEON || MCYRIXIII || MK7 ||
MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 ||
M586MMX || M586TSC || MK8 || MVIAC3_2 || MVIAC7 || MGEODEGX1 ||
MGEODE_LX || MCORE2 || MATOM) && !X86_NUMAQ) || X86_64
+ depends on ((MWINCHIP3D || MCRUSOE || MEFFICEON || MCYRIXIII || MK7 ||
MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 ||
M586MMX || M586TSC || MK10 || MK8 || MVIAC3_2 || MVIAC7 || MGEODEGX1 ||
MGEODE_LX || MCORE2 || MATOM) && !X86_NUMAQ) || X86_64
config X86_CMPXCHG64
def_bool y
@@ -406,7 +413,7 @@
# generates cmov.
config X86_CMOV
def_bool y
- depends on (MK8 || MK7 || MCORE2 || MPENTIUM4 || MPENTIUMM ||
MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7 || MCRUSOE ||
MEFFICEON || X86_64 || MATOM || MGEODE_LX)
+ depends on (MK10 || MK8 || MK7 || MCORE2 || MPENTIUM4 || MPENTIUMM ||
MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7 || MCRUSOE ||
MEFFICEON || X86_64 || MATOM || MGEODE_LX)
config X86_MINIMUM_CPU_FAMILY
int
diff -uNr linux-2.6.37-rc6.vanilla/arch/x86/Makefile
linux-2.6.37-rc6/arch/x86/Makefile
--- linux-2.6.37-rc6.vanilla/arch/x86/Makefile 2010-12-15
20:24:48.000000000 -0500
+++ linux-2.6.37-rc6/arch/x86/Makefile 2010-12-19 15:42:01.041429011
-0500
@@ -51,6 +51,7 @@
# FIXME - should be integrated in Makefile.cpu
(Makefile_32.cpu)
cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8)
+ cflags-$(CONFIG_MK10) += $(call cc-option,-march=amdfam10)
cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona)
cflags-$(CONFIG_MCORE2) += \
diff -uNr linux-2.6.37-rc6.vanilla/arch/x86/Makefile_32.cpu
linux-2.6.37-rc6/arch/x86/Makefile_32.cpu
--- linux-2.6.37-rc6.vanilla/arch/x86/Makefile_32.cpu 2010-12-15
20:24:48.000000000 -0500
+++ linux-2.6.37-rc6/arch/x86/Makefile_32.cpu 2010-12-19
14:30:29.196429012 -0500
@@ -25,6 +25,7 @@
# They make zero difference whatsosever to performance at this time.
cflags-$(CONFIG_MK7) += -march=athlon
cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8,-march=athlon)
+clfags-$(CONFIG_MK10) += $(call cc-option,-march=amdfam10)
cflags-$(CONFIG_MCRUSOE) += -march=i686 $(align)-functions=0
$(align)-jumps=0 $(align)-loops=0
cflags-$(CONFIG_MEFFICEON) += -march=i686 $(call tune,pentium3)
$(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
cflags-$(CONFIG_MWINCHIPC6) += $(call
cc-option,-march=winchip-c6,-march=i586)
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] x86: add optimisation option for k10 processors
2010-12-19 21:45 [PATCH] x86: add optimisation option for k10 processors Benjamin
@ 2010-12-19 22:16 ` Jesper Juhl
2010-12-20 7:54 ` Borislav Petkov
1 sibling, 0 replies; 3+ messages in thread
From: Jesper Juhl @ 2010-12-19 22:16 UTC (permalink / raw
To: Benjamin; +Cc: linux-kernel
On Sun, 19 Dec 2010, Benjamin wrote:
> From: Benjamin Fair <masterme120@gmail.com>
>
> This adds a config option to optimise for AMD family-k10 processors.
>
> Signed-off-by: Benjamin Fair <masterme120@gmail.com>
>
> diff -uNr linux-2.6.37-rc6.vanilla/arch/x86/Kconfig.cpu
> linux-2.6.37-rc6/arch/x86/Kconfig.cpu
> --- linux-2.6.37-rc6.vanilla/arch/x86/Kconfig.cpu 2010-12-15
> 20:24:48.000000000 -0500
> +++ linux-2.6.37-rc6/arch/x86/Kconfig.cpu 2010-12-19 14:31:59.034429012
> -0500
> @@ -171,6 +171,13 @@
> Enables use of some extended instructions, and passes appropriate
> optimization flags to GCC.
>
> +config MK10
> + bool "Phenom/Phenom-II/Athlon-II/K10/10h"
> + ---help---
> + Select this for an AMD K10-family processor. Also known as Family
> + 10h. Enables use of some extended instructions, and passes
> + appropriate optimization flags to GCC.
Extreme nitpicking, but why do you have two spaces between
"appropriate" and "optimization" here?
--
Jesper Juhl <jj@chaosbits.net> http://www.chaosbits.net/
Don't top-post http://www.catb.org/~esr/jargon/html/T/top-post.html
Plain text mails only, please.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] x86: add optimisation option for k10 processors
2010-12-19 21:45 [PATCH] x86: add optimisation option for k10 processors Benjamin
2010-12-19 22:16 ` Jesper Juhl
@ 2010-12-20 7:54 ` Borislav Petkov
1 sibling, 0 replies; 3+ messages in thread
From: Borislav Petkov @ 2010-12-20 7:54 UTC (permalink / raw
To: Benjamin; +Cc: linux-kernel
On Sun, Dec 19, 2010 at 04:45:32PM -0500, Benjamin wrote:
> From: Benjamin Fair <masterme120@gmail.com>
>
> This adds a config option to optimise for AMD family-k10 processors.
They're called AMD F10h processors, no more K*.
> Signed-off-by: Benjamin Fair <masterme120@gmail.com>
>
> diff -uNr linux-2.6.37-rc6.vanilla/arch/x86/Kconfig.cpu
> linux-2.6.37-rc6/arch/x86/Kconfig.cpu
> --- linux-2.6.37-rc6.vanilla/arch/x86/Kconfig.cpu 2010-12-15
> 20:24:48.000000000 -0500
> +++ linux-2.6.37-rc6/arch/x86/Kconfig.cpu 2010-12-19 14:31:59.034429012
> -0500
> @@ -171,6 +171,13 @@
> Enables use of some extended instructions, and passes appropriate
> optimization flags to GCC.
>
> +config MK10
config MF10H
> + bool "Phenom/Phenom-II/Athlon-II/K10/10h"
bool "Phenom/Phenom-II/Athlon-II, i.e. all F10h CPUs"
> + ---help---
> + Select this for an AMD K10-family processor. Also known as Family
> + 10h. Enables use of some extended instructions, and passes
> + appropriate optimization flags to GCC.
> +
ditto, no more K's.
[.. ]
> diff -uNr linux-2.6.37-rc6.vanilla/arch/x86/Makefile
> linux-2.6.37-rc6/arch/x86/Makefile
> --- linux-2.6.37-rc6.vanilla/arch/x86/Makefile 2010-12-15
> 20:24:48.000000000 -0500
> +++ linux-2.6.37-rc6/arch/x86/Makefile 2010-12-19 15:42:01.041429011
> -0500
> @@ -51,6 +51,7 @@
>
> # FIXME - should be integrated in Makefile.cpu
> (Makefile_32.cpu)
> cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8)
> + cflags-$(CONFIG_MK10) += $(call cc-option,-march=amdfam10)
But before we do that, let me talk to the compiler guys first.
Thanks.
--
Regards/Gruss,
Boris.
Advanced Micro Devices GmbH
Einsteinring 24, 85609 Dornach
General Managers: Alberto Bozzo, Andrew Bowd
Registration: Dornach, Gemeinde Aschheim, Landkreis Muenchen
Registergericht Muenchen, HRB Nr. 43632
^ permalink raw reply [flat|nested] 3+ messages in thread
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2010-12-19 21:45 [PATCH] x86: add optimisation option for k10 processors Benjamin
2010-12-19 22:16 ` Jesper Juhl
2010-12-20 7:54 ` Borislav Petkov
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