[lworld] Integrated: 8319528: [lworld] Remove T_PRIMITIVE_OBJECT from JIT code

Tue Nov 7 08:02:03 UTC 2023

On Mon, 6 Nov 2023 12:43:04 GMT, Tobias Hartmann <thartmann at openjdk.org> wrote:

> The JIT code does not need `T_PRIMITIVE_OBJECT` anymore because there are now other ways to determine if a type is null-free / flattenable. I replaced all usages in C1 and C2.
> 
> I also changed the calling convention code to now use `T_METADATA` / `T_VOID` delimiters for scalarized arguments instead of `T_PRIMITIVE_OBJECT` / `T_VOID`. We still need to handle `T_PRIMITIVE_OBJECT` in the signature though until Q-types go away but most of the remaining usages are trivial to remove.
> 
> Best regards,
> Tobias

This pull request has now been integrated.

Changeset: d62c55dd
Author:    Tobias Hartmann <thartmann at openjdk.org>
URL:       https://git.openjdk.org/valhalla/commit/d62c55dd99c4050f620c2626438cf83c1f08e022
Stats:     226 lines in 45 files changed: 24 ins; 91 del; 111 mod

8319528: [lworld] Remove T_PRIMITIVE_OBJECT from JIT code

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PR: https://git.openjdk.org/valhalla/pull/946