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microblaze: Enable asm optimization only for HW with barrel-shifter
author
Michal Simek
<monstr@monstr.eu>
Mon, 26 Oct 2009 08:56:48 +0000
(09:56 +0100)
committer
Michal Simek
<monstr@monstr.eu>
Mon, 14 Dec 2009 07:45:01 +0000
(08:45 +0100)
Asm code uses barrel-shifter instruction that's why we have
to protect cases when HW don't have it.
Reported-by: John Linn <john.linn@xilinx.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
arch/microblaze/platform/Kconfig.platform
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diff --git
a/arch/microblaze/platform/Kconfig.platform
b/arch/microblaze/platform/Kconfig.platform
index 28e418a3c0b4741cce3daa4c9d217be2d1d87950..669c7eec293eb921689ba618a11d9e701ee626a3 100644
(file)
--- a/
arch/microblaze/platform/Kconfig.platform
+++ b/
arch/microblaze/platform/Kconfig.platform
@@
-53,7
+53,7
@@
config OPT_LIB_FUNCTION
config OPT_LIB_ASM
bool "Optimalized lib function ASM"
- depends on OPT_LIB_FUNCTION
+ depends on OPT_LIB_FUNCTION
&& (XILINX_MICROBLAZE0_USE_BARREL = 1)
default n
help
Allows turn on optimalized library function (memcpy and memmove).