Displaying 2 results from an estimated 2 matches for "hom_epilog".
2020 Mar 24
2
[RFC][AArch64] Homogeneous Prolog and Epilog for Size Optimization
...a great deal
of outlining opportunities left because the current outliner had to
conservatively handle instructions with the return register, x30.
Rather, this patch also forms a custom-outlined helper function on demand
for prolog and epilog when lowering the frame code.
- Injects HOM_Prolog and HOM_Epilog pseudo instructions in Prolog and
Epilog Injection Pass
- Lower and optimize them in AArchLowerHomogneousPrologEpilog Pass
- Outlined helpers are created on demand. Identical helpers are merged by
the linker.
- An opt-in flag is introduced to enable this feature. Another threshold
flag is also intr...
2020 Mar 24
2
[RFC][AArch64] Homogeneous Prolog and Epilog for Size Optimization
...ng opportunities left because the current outliner had to
> conservatively handle instructions with the return register, x30.
> Rather, this patch also forms a custom-outlined helper function on demand
> for prolog and epilog when lowering the frame code.
>
> - Injects HOM_Prolog and HOM_Epilog pseudo instructions in Prolog and
> Epilog Injection Pass
> - Lower and optimize them in AArchLowerHomogneousPrologEpilog Pass
> - Outlined helpers are created on demand. Identical helpers are merged by
> the linker.
> - An opt-in flag is introduced to enable this feature. Another th...