MIPS: IP checksums: Remove unncessary folding of sum to 16 bit.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
git-mirror · Oct 11, 2008 · d86a812 · d86a812
1 parent 384740d
commit d86a812
Showing 1 changed file with 0 additions and 10 deletions.
diff --git a/arch/mips/lib/csum_partial.S b/arch/mips/lib/csum_partial.S
@@ -276,11 +276,6 @@ LEAF(csum_partial)
 	dsra32	sum, sum, 0
 	addu	sum, v1
 #endif
-	sll	v1, sum, 16
-	addu	sum, v1
-	sltu	v1, sum, v1
-	srl	sum, sum, 16
-	addu	sum, v1
 
 	/* odd buffer alignment? */
 	beqz	t7, 1f
@@ -678,11 +673,6 @@ EXC(	sb	t0, NBYTES-2(dst), .Ls_exc)
 	dsra32	sum, sum, 0
 	addu	sum, v1
 #endif
-	sll	v1, sum, 16
-	addu	sum, v1
-	sltu	v1, sum, v1
-	srl	sum, sum, 16
-	addu	sum, v1
 
 	/* odd buffer alignment? */
 	beqz	odd, 1f