On 04/07/2024 13:50, Siarhei Volkau wrote:
> чт, 4 июл. 2024 г. в 12:45, Richard Earnshaw (lists)
> :
>>
>> On 20/06/2024 08:24, Siarhei Volkau wrote:
>>> If the address register is dead after load/store operation it looks
>>> beneficial to use LDMIA/STMIA instead of pair of LDR/STR instructions,
чт, 4 июл. 2024 г. в 12:45, Richard Earnshaw (lists) :
>
> On 20/06/2024 08:24, Siarhei Volkau wrote:
> > If the address register is dead after load/store operation it looks
> > beneficial to use LDMIA/STMIA instead of pair of LDR/STR instructions,
> > at least if optimizing for size.
> >
> >
On 20/06/2024 08:24, Siarhei Volkau wrote:
> If the address register is dead after load/store operation it looks
> beneficial to use LDMIA/STMIA instead of pair of LDR/STR instructions,
> at least if optimizing for size.
>
> Changes v2 -> v3:
> - switching to mixed approach (insn+peep2)
> -
If the address register is dead after load/store operation it looks
beneficial to use LDMIA/STMIA instead of pair of LDR/STR instructions,
at least if optimizing for size.
Changes v2 -> v3:
- switching to mixed approach (insn+peep2)
- keep memory attributes in peepholes
- handle stmia corner
