microblaze: Enable asm optimization only for HW with barrel-shifter
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>
diff --git a/arch/microblaze/platform/Kconfig.platform b/arch/microblaze/platform/Kconfig.platform
index 28e418a..669c7ee 100644
--- a/arch/microblaze/platform/Kconfig.platform
+++ b/arch/microblaze/platform/Kconfig.platform
@@ -53,7 +53,7 @@
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).