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| author | Joseph Myers <joseph@codesourcery.com> | 2009-07-01 14:37:15 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2009-07-01 14:37:15 +0000 |
| commit | 801626b26745a1bd24cbf56c3d8720204a1db95d (patch) | |
| tree | 998df48522984b69e81ff92521cfc814b1c8242c /libc/string | |
| parent | 77c075f4ea2d9a625f35292063bd627e2e8fdf10 (diff) | |
Correct ARM memcpy comments.
The comments on register usage in ARM memcpy had dest and src the
wrong way round; this patch (originally from Mark Shinwell) corrects
this and adds a note on the return value.
Signed-off-by: Joseph Myers <joseph@codesourcery.com>
Diffstat (limited to 'libc/string')
| -rw-r--r-- | libc/string/arm/_memcpy.S | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libc/string/arm/_memcpy.S b/libc/string/arm/_memcpy.S index 1dc0887a4..b26080d02 100644 --- a/libc/string/arm/_memcpy.S +++ b/libc/string/arm/_memcpy.S @@ -67,8 +67,9 @@ * a time where possible. * * Note: r12 (aka ip) can be trashed during the function along with - * r0-r3 although r0-r2 have defined uses i.e. src, dest, len through out. + * r0-r3 although r0-r2 have defined uses i.e. dest, src, len throughout. * Additional registers are preserved prior to use i.e. r4, r5 & lr + * The return value in r0 must be the destination address. * * Apologies for the state of the comments ;-) */ |