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Minor tweaks to memset

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5245 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2012-10-21 05:38:24 +00:00
parent 1da8cbc9ea
commit f5a42a8068
1 changed files with 7 additions and 4 deletions
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11
configs/README.txt
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@ -625,8 +625,9 @@ defconfig -- This is a configuration file similar to the Linux
Vik's optimized implementation of memcpy():
CONFIG_MEMCPY_VIK - Select this option to use the optimized memcpy()
function by Daniel Vik. See licensing information in the top-level
COPYING file. Default: n
function by Daniel Vik. Select this option for improved performance
at the expense of increased size. See licensing information in the
top-level COPYING file. Default: n
And if CONFIG_MEMCPY_VIK is selected, the following tuning options are available:
@ -636,7 +637,8 @@ defconfig -- This is a configuration file similar to the Linux
CONFIG_MEMCPY_INDEXED_COPY - Copying data using array indexing. Using
this option, disables the CONFIG_MEMCPY_PRE_INC_PTRS option.
CONFIG_MEMCPY_64BIT - Compiles memcpy for 64 bit architectures
CONFIG_MEMCPY_64BIT - Compiles memcpy for architectures that suppport
64-bit operations efficiently.
If CONFIG_ARCH_MEMSET is not selected, then the following option is
also available:
@ -647,7 +649,8 @@ defconfig -- This is a configuration file similar to the Linux
And if CONFIG_MEMSET_OPTSPEED is selected, the following tuning option is
available:
CONFIG_MEMSET_64BIT - Compiles memset() for 64 bit architectures
CONFIG_MEMSET_64BIT - Compiles memset() for architectures that suppport
64-bit operations efficiently.
The architecture may provide custom versions of certain standard header
files: