RFR: 8286104: use aggressive liveness for unstable_if traps [v12]

[Xin Liu]

On Mon, 20 Jun 2022 21:12:39 GMT, Xin Liu <xliu at openjdk.org> wrote:

>> src/hotspot/share/opto/parse.hpp line 607:
>> 
>>> 605: 
>>> 606: // Specialized uncommon_trap of unstable_if, we have 2 optimizations for them:
>>> 607: //   1. suppress trivial Unstable_If traps
>> 
>> Where is this done?
>
> I have another patch based on this one.  I will post it soon.

here is the second patch. 
https://urldefense.com/v3/__https://github.com/openjdk/jdk/pull/9255/commits/edb294c2b2ae4e8a5c7f6a1f9c73955af3d8b81c__;!!ACWV5N9M2RV99hQ!NmCKK8i83lMj7B37oB6j3fgE_umXXDszo2zsY0-EcGhQnDrosiy68t90P_kbRAhklIEqGLgSUMaNFf3C_hgAGgWDYYo$ 

-------------

PR: https://git.openjdk.org/jdk/pull/8545