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author | Aleksey Kuleshov <rndfax@yandex.ru> | 2015-11-25 15:23:22 +0300 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-11-26 09:36:34 +0100 |
commit | 114409c73e7d765dd5510b5a945b5e4c15ae4fa8 (patch) | |
tree | 0e4fe7f39f75408842ea0bd9b0638bbffdacf81b /arch/mips/Kconfig | |
parent | 6991f6ed5f669f816de9bec1d000fb12cf43687c (diff) | |
download | barebox-114409c73e7d765dd5510b5a945b5e4c15ae4fa8.tar.gz barebox-114409c73e7d765dd5510b5a945b5e4c15ae4fa8.tar.xz |
MIPS: import optimized string functions from Linux
10x performance gain according to simple test on QEMU malta:
barebox:/ time memcpy 0xa0000000 0xa0001000 0x100000
Signed-off-by: Aleksey Kuleshov <rndfax@yandex.ru>
Acked-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/mips/Kconfig')
-rw-r--r-- | arch/mips/Kconfig | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index a2d443f94c..fdf62e8608 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -331,6 +331,14 @@ config NMON_HELP Say yes here to get the nmon commands message on every nmon start. +config MIPS_OPTIMIZED_STRING_FUNCTIONS + bool "use assembler optimized string functions" + default y + help + Say yes here to use assembler optimized memcpy / memset functions. + These functions work much faster than the normal versions but + increase your binary size. + endmenu source common/Kconfig |