diff options
Diffstat (limited to 'arch/arm/lib/csumpartial.S')
| -rw-r--r-- | arch/arm/lib/csumpartial.S | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/lib/csumpartial.S b/arch/arm/lib/csumpartial.S index cb5e3708f11..fe797cf320b 100644 --- a/arch/arm/lib/csumpartial.S +++ b/arch/arm/lib/csumpartial.S @@ -39,6 +39,7 @@ td3 .req lr /* we must have at least one byte. */ tst buf, #1 @ odd address? + movne sum, sum, ror #8 ldrneb td0, [buf], #1 subne len, len, #1 adcnes sum, sum, td0, put_byte_1 @@ -103,6 +104,9 @@ ENTRY(csum_partial) cmp len, #8 @ Ensure that we have at least blo .less8 @ 8 bytes to copy. + tst buf, #1 + movne sum, sum, ror #8 + adds sum, sum, #0 @ C = 0 tst buf, #3 @ Test destination alignment blne .not_aligned @ aligh destination, return here |