RFR: 8335367: [s390] Add support for load immediate on condition instructions. [v2]

[Amit Kumar]

On Fri, 29 Nov 2024 08:20:36 GMT, Amit Kumar <amitkumar at openjdk.org> wrote:

>So other solution which I could think of is, to assume that search will fail and load 1 at the start 

with this we can now look for `CC = EQ`. And use `z_locghi(result, 0, Assembler::bcondEqual);`

Also now logic for secondary supers table for c1 & interpreter assumes that search will fail and loads 1 at the start. So to be in sync, better we keep it this way :)

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PR Review Comment: https://git.openjdk.org/jdk/pull/22058#discussion_r1863129382