Le 25/03/2015 02:22, Scott Wood a écrit :
On Tue, Feb 03, 2015 at 12:39:27PM +0100, LEROY Christophe wrote:
Signed-off-by: Christophe Leroy
---
arch/powerpc/lib/checksum_32.S | 10 +++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/lib/checksum_32.S b/arc
On Tue, Feb 03, 2015 at 12:39:27PM +0100, LEROY Christophe wrote:
> On PPC_8xx, lwz has a 2 cycles latency, and branching also takes 2 cycles.
> As the size of the header is minimum 5 words, we can unroll the loop for the
> first words to reduce number of branching, and we can re-order the
> instr