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powerpc: Use -mcpu=power7 on ppc64 little endian builds

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Using -mcpu=power7 allows gcc to use a number of new instructions
including 64 bit byte reversed loads.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Anton Blanchard 2013-10-22 11:05:25 +11:00 committed by Benjamin Herrenschmidt
parent 733187e295
commit 686245bee9
1 changed files with 5 additions and 4 deletions
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9
arch/powerpc/platforms/Kconfig.cputype
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@ -93,22 +93,23 @@ choice
config GENERIC_CPU
bool "Generic"
depends on !CPU_LITTLE_ENDIAN
config CELL_CPU
bool "Cell Broadband Engine"
depends on PPC_BOOK3S_64
depends on PPC_BOOK3S_64 && !CPU_LITTLE_ENDIAN
config POWER4_CPU
bool "POWER4"
depends on PPC_BOOK3S_64
depends on PPC_BOOK3S_64 && !CPU_LITTLE_ENDIAN
config POWER5_CPU
bool "POWER5"
depends on PPC_BOOK3S_64
depends on PPC_BOOK3S_64 && !CPU_LITTLE_ENDIAN
config POWER6_CPU
bool "POWER6"
depends on PPC_BOOK3S_64
depends on PPC_BOOK3S_64 && !CPU_LITTLE_ENDIAN
config POWER7_CPU
bool "POWER7"