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5fba096080
linux/arch/mips
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Shinya Kuribayashi 5fba096080 MIPS: Enable cpu_has_clo_clz for MIPS Technologies' platforms 
Enable cpu_has_clo_clz only when CONFIG_CPU_MIPS32 or CONFIG_CPU_MIPS64
is selected.  This will optimize fls() and __fls() to use CLZ insn, and
eventually ffs() and __ffs() as well.

Malta and MIPSSim are development platforms, and need to take care of
various processor configurations, release rivisions and so on, even
across different MIPS ISAs.  For such platforms we have to be careful,
for instance, with turning on cpu_has_mips{32,64}r[12] features.

As for CLZ, all MIPS32/64 processors support it, regardless of release
revisions.

Signed-off-by: Shinya Kuribayashi <skuribay@pobox.com>
To: David VomLehn <dvomlehn@cisco.com>
To: macro@linux-mips.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/1453/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2011-07-25 17:26:55 +01:00
..
alchemy Merge branch 'timers-clocksource-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2011-05-19 17:44:13 -07:00
ar7 MIPS: AR7: Replace __attribute__((__packed__)) with __packed 2011-07-25 17:23:20 +01:00
ath79 USB: ohci: add bus glue for the Atheros AR71XX/AR7240 SoCs 2011-04-13 16:58:19 -07:00
bcm47xx MIPS: BCM47xx: Extend the filling of SPROM from NVRAM 2011-05-19 09:55:47 +01:00
bcm63xx SSB: Change fallback sprom to callback mechanism. 2011-05-19 09:55:47 +01:00
boot MIPS: Alchemy: Rewrite UART setup and constants. 2011-05-19 09:55:45 +01:00
cavium-octeon Merge git://git.infradead.org/mtd-2.6 2011-05-27 20:06:53 -07:00
cobalt
configs rtc: fix build warnings in defconfigs 2011-06-15 20:04:02 -07:00
dec
emma
fw Merge branch 'master' into for-next 2011-04-26 10:22:59 +02:00
include/asm MIPS: Enable cpu_has_clo_clz for MIPS Technologies' platforms 2011-07-25 17:26:55 +01:00
jazz MIPS: Jazz: Fix GCC 4.6.0 build error 2011-05-10 18:15:23 +01:00
jz4740 Merge branch 'timers-clocksource-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2011-05-19 17:44:13 -07:00
kernel MIPS: Remove pointless return statement from empty void functions. 2011-07-25 17:26:55 +01:00
lantiq MIPS: Lantiq: Add missing clk_enable and clk_disable functions. 2011-07-20 23:12:12 +01:00
lasat
lib MIPS: Kconfig and Makefile update for Netlogic XLR/XLS 2011-05-19 09:55:40 +01:00
loongson MIPS: Remove pointless return statement from empty void functions. 2011-07-25 17:26:55 +01:00
math-emu Fix common misspellings 2011-03-31 11:26:23 -03:00
mipssim MIPS: MIPSsim: Fix uniprocessor build. 2011-07-20 23:12:11 +01:00
mm MIPS: Limit fixrange_init() to the FIXMAP region 2011-07-25 17:26:54 +01:00
mti-malta MIPS: Malta: Fix crash in SMP kernel on non-CMP systems. 2011-07-20 23:12:10 +01:00
netlogic MIPS: Netlogic: SMP fixes for XLR/XLS platform code. 2011-07-20 23:12:11 +01:00
nxp/pnx8550/common MIPS: Remove pointless return statement from empty void functions. 2011-07-25 17:26:55 +01:00
oprofile
pci MIPS: NILE4: Remove useless inclusion of GT64120 header. 2011-07-20 23:12:09 +01:00
pmc-sierra MIPS: Malta: Fix crash in SMP kernel on non-CMP systems. 2011-07-20 23:12:10 +01:00
pnx833x Fix common misspellings 2011-03-31 11:26:23 -03:00
pnx8550 MIPS: Remove pointless return statement from empty void functions. 2011-07-25 17:26:55 +01:00
power MIPS: Hibernation: Fixes for PAGE_SIZE >= 64kb 2011-05-10 18:15:26 +01:00
powertv
rb532 MIPS: RB532: Fix iomap resource size miscalculation. 2011-05-18 14:18:26 +01:00
sgi-ip22 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2011-05-23 09:12:26 -07:00
sgi-ip27 Merge branch 'timers-clocksource-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2011-05-19 17:44:13 -07:00
sgi-ip32
sibyte MIPS: SB1250: Restore dropped irq_mask function 2011-07-20 23:12:11 +01:00
sni MIPS: SNI: Fix GCC 4.6.0 build error 2011-05-10 18:15:23 +01:00
txx9 Merge git://git.infradead.org/mtd-2.6 2011-05-27 20:06:53 -07:00
vr41xx
wrppmc
Kbuild
Kbuild.platforms MIPS: XLR, XLS: Move makefile bits to were they belong. 2011-07-20 23:12:11 +01:00
Kconfig arch: remove CONFIG_GENERIC_FIND_{NEXT_BIT,BIT_LE,LAST_BIT} 2011-05-26 17:12:38 -07:00
Kconfig.debug lib: consolidate DEBUG_STACK_USAGE option 2011-05-25 08:39:54 -07:00
Makefile MIPS: XLR, XLS: Move makefile bits to were they belong. 2011-07-20 23:12:11 +01:00