>>> On 12.12.17 at 12:21, wrote:
> On 12/12/17 11:10, Jan Beulich wrote:
>> ..., largely to shrink code size a little:
>> - use TEST instead of CMP with zero immediate
>> - use MOVZWL instead of AND with 0x immediate
>> - compute final highmem_bk value in registers, accessing memory just
>>
On 12/12/17 11:10, Jan Beulich wrote:
> ..., largely to shrink code size a little:
> - use TEST instead of CMP with zero immediate
> - use MOVZWL instead of AND with 0x immediate
> - compute final highmem_bk value in registers, accessing memory just
> once
>
> Signed-off-by: Jan Beulich
Rev
..., largely to shrink code size a little:
- use TEST instead of CMP with zero immediate
- use MOVZWL instead of AND with 0x immediate
- compute final highmem_bk value in registers, accessing memory just
once
Signed-off-by: Jan Beulich
--- a/xen/arch/x86/boot/mem.S
+++ b/xen/arch/x86/boot/
