Nicolas Pitre writes:
> On Thu, 19 Nov 2015, Måns Rullgård wrote:
>
>> Nicolas Pitre writes:
>>
>> > +static inline uint64_t __arch_xprod_64(uint64_t m, uint64_t n, bool bias)
>> > +{
>> > + unsigned long long res;
>> > + unsigned int tmp = 0;
>> > +
>> > + if (!bias) {
>> > + asm (
On Thu, 19 Nov 2015, Måns Rullgård wrote:
> Nicolas Pitre writes:
>
> > +static inline uint64_t __arch_xprod_64(uint64_t m, uint64_t n, bool bias)
> > +{
> > + unsigned long long res;
> > + unsigned int tmp = 0;
> > +
> > + if (!bias) {
> > + asm ( "umull %Q0, %R0, %Q1, %Q2\n\
Nicolas Pitre writes:
> +static inline uint64_t __arch_xprod_64(uint64_t m, uint64_t n, bool bias)
> +{
> + unsigned long long res;
> + unsigned int tmp = 0;
> +
> + if (!bias) {
> + asm ( "umull %Q0, %R0, %Q1, %Q2\n\t"
> + "mov%Q0, #0"
> +
Hi Nicolas,
[auto build test WARNING on asm-generic/master]
[also WARNING on: v4.3 next-20151103]
url:
https://github.com/0day-ci/linux/commits/Nicolas-Pitre/div64-h-optimize-do_div-for-power-of-two-constant-divisors/20151103-065348
base: https://github.com/0day-ci/linux
Nicolas-Pitre/div6
[added Mike/linux-clk and David/dri-devel]
A patch I produced is now highlighting existing bugs in the drivers
listed below.
On Tue, 3 Nov 2015, kbuild test robot wrote:
> Hi Nicolas,
>
> [auto build test WARNING on asm-generic/master -- if it's inappropriate base,
> please suggest rules for
Hi Nicolas,
[auto build test WARNING on asm-generic/master -- if it's inappropriate base,
please suggest rules for selecting the more suitable base]
url:
https://github.com/0day-ci/linux/commits/Nicolas-Pitre/div64-h-optimize-do_div-for-power-of-two-constant-divisors/20151103-065348
config:
Now that the constant divisor optimization is made generic, adapt the
ARM case to it.
Signed-off-by: Nicolas Pitre
---
arch/arm/include/asm/div64.h | 283 ++-
1 file changed, 93 insertions(+), 190 deletions(-)
diff --git a/arch/arm/include/asm/div64.h b/a
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