On Wed, Aug 17, 2022 at 2:52 AM Takayuki 'January June' Suwa
wrote:
> As a matter of fact, "in a few cases" is just only one:
>
> [xtensa_expand_epilogue() in /gcc/config/xtensa/xtensa.cc]
> > if (cfun->machine->current_frame_size > 0)
> > {
> > if (frame_pointer_needed || /* al
On 2022/08/17 4:58, Max Filippov wrote:
> Hi Suwa-san,
Hi!
>
> On Tue, Aug 16, 2022 at 5:42 AM Takayuki 'January June' Suwa
> wrote:
>>
>> In a few cases, obviously omitable add instructions can be emitted via
>> invoking gen_addsi3.
>>
>> gcc/ChangeLog:
>>
>> * config/xtensa/xtensa.md (
Hi Suwa-san,
On Tue, Aug 16, 2022 at 5:42 AM Takayuki 'January June' Suwa
wrote:
>
> In a few cases, obviously omitable add instructions can be emitted via
> invoking gen_addsi3.
>
> gcc/ChangeLog:
>
> * config/xtensa/xtensa.md (addsi3_internal): Rename from "addsi3".
> (addsi3):
In a few cases, obviously omitable add instructions can be emitted via
invoking gen_addsi3.
gcc/ChangeLog:
* config/xtensa/xtensa.md (addsi3_internal): Rename from "addsi3".
(addsi3): New define_expand in order to reject integer additions of
constant zero.
---
gcc/config/
