diff options
author | Ralf Baechle <ralf@linux-mips.org> | 2008-10-11 11:18:53 -0400 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2008-10-11 11:18:53 -0400 |
commit | d86a8123b11a9a40d850f6e88b89c948c2477da3 (patch) | |
tree | 3fa2b7d5cba53da1e26961019bdf62e44e58273e /arch/mips/lib | |
parent | 384740dc49ea651ba350704d13ff6be9976e37fe (diff) |
MIPS: IP checksums: Remove unncessary folding of sum to 16 bit.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/lib')
-rw-r--r-- | arch/mips/lib/csum_partial.S | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/arch/mips/lib/csum_partial.S b/arch/mips/lib/csum_partial.S index edac9892c51..201d82ee4c7 100644 --- a/arch/mips/lib/csum_partial.S +++ b/arch/mips/lib/csum_partial.S | |||
@@ -276,11 +276,6 @@ LEAF(csum_partial) | |||
276 | dsra32 sum, sum, 0 | 276 | dsra32 sum, sum, 0 |
277 | addu sum, v1 | 277 | addu sum, v1 |
278 | #endif | 278 | #endif |
279 | sll v1, sum, 16 | ||
280 | addu sum, v1 | ||
281 | sltu v1, sum, v1 | ||
282 | srl sum, sum, 16 | ||
283 | addu sum, v1 | ||
284 | 279 | ||
285 | /* odd buffer alignment? */ | 280 | /* odd buffer alignment? */ |
286 | beqz t7, 1f | 281 | beqz t7, 1f |
@@ -678,11 +673,6 @@ EXC( sb t0, NBYTES-2(dst), .Ls_exc) | |||
678 | dsra32 sum, sum, 0 | 673 | dsra32 sum, sum, 0 |
679 | addu sum, v1 | 674 | addu sum, v1 |
680 | #endif | 675 | #endif |
681 | sll v1, sum, 16 | ||
682 | addu sum, v1 | ||
683 | sltu v1, sum, v1 | ||
684 | srl sum, sum, 16 | ||
685 | addu sum, v1 | ||
686 | 676 | ||
687 | /* odd buffer alignment? */ | 677 | /* odd buffer alignment? */ |
688 | beqz odd, 1f | 678 | beqz odd, 1f |