On 2023-09-06 16:06 Kito Cheng wrote:
>
>On Wed, Sep 6, 2023 at 9:47 AM Fei Gao wrote:
>>
>> On 2023-09-05 20:02 Kito Cheng wrote:
>> >
>> >> @@ -5569,7 +5571,9 @@ riscv_avoid_multi_push (const struct
>> >> riscv_frame_info *frame)
>> >> {
>> >> if (!TARGET_ZCMP || crtl->calls_eh_return |
On Wed, Sep 6, 2023 at 9:47 AM Fei Gao wrote:
>
> On 2023-09-05 20:02 Kito Cheng wrote:
> >
> >> @@ -5569,7 +5571,9 @@ riscv_avoid_multi_push (const struct
> >> riscv_frame_info *frame)
> >> {
> >>if (!TARGET_ZCMP || crtl->calls_eh_return || frame_pointer_needed
> >>|| cfun->machin
On 2023-09-05 20:02 Kito Cheng wrote:
>
>> @@ -5569,7 +5571,9 @@ riscv_avoid_multi_push (const struct riscv_frame_info
>> *frame)
>> {
>> if (!TARGET_ZCMP || crtl->calls_eh_return || frame_pointer_needed
>> || cfun->machine->interrupt_handler_p || cfun->machine->varargs_size
>>!= 0
>
> @@ -5569,7 +5571,9 @@ riscv_avoid_multi_push (const struct riscv_frame_info
> *frame)
> {
>if (!TARGET_ZCMP || crtl->calls_eh_return || frame_pointer_needed
>|| cfun->machine->interrupt_handler_p || cfun->machine->varargs_size
> != 0
> - || crtl->args.pretend_args_size != 0 ||
Enalble zcmp for -Os and shrink-warp-separate for
the speed perfered optimization by default.
To force enabling zcmp multi push/pop in speed perfered case,
fno-shrink-wrap-separate has to be explictly given.
gcc/ChangeLog:
* config/riscv/riscv.cc
(riscv_avoid_shrink_wrapping_sep
