* [PATCH] powerpc: Use -mcpu=power7 on ppc64 little endian builds
@ 2013-10-22 0:05 Anton Blanchard
0 siblings, 0 replies; only message in thread
From: Anton Blanchard @ 2013-10-22 0:05 UTC (permalink / raw)
To: benh, paulus; +Cc: linuxppc-dev
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>
---
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index 6704e2e..c2a566f 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -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"
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2013-10-22 0:05 [PATCH] powerpc: Use -mcpu=power7 on ppc64 little endian builds Anton Blanchard
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