hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2008-10-11 16:18:53 +01:00
parent 384740dc49
commit d86a8123b1
1 changed files with 0 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
arch/mips/lib/csum_partial.S
View File

@ -276,11 +276,6 @@ LEAF(csum_partial)
dsra32 sum, sum, 0 dsra32 sum, sum, 0
addu sum, v1 addu sum, v1
#endif #endif
sll v1, sum, 16
addu sum, v1
sltu v1, sum, v1
srl sum, sum, 16
addu sum, v1
/* odd buffer alignment? */ /* odd buffer alignment? */
beqz t7, 1f beqz t7, 1f
@ -678,11 +673,6 @@ EXC( sb t0, NBYTES-2(dst), .Ls_exc)
dsra32 sum, sum, 0 dsra32 sum, sum, 0
addu sum, v1 addu sum, v1
#endif #endif
sll v1, sum, 16
addu sum, v1
sltu v1, sum, v1
srl sum, sum, 16
addu sum, v1
/* odd buffer alignment? */ /* odd buffer alignment? */
beqz odd, 1f beqz odd, 1f