RFR: 8278302: [s390] Implement fast-path for ASCII-compatible CharsetEncoders [v2]

[Lutz Schmidt]

On Tue, 18 Jan 2022 14:24:33 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

>> Lutz Schmidt has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   8278302: fix bug in us-ascii mask generation
>
> src/hotspot/cpu/s390/c2_MacroAssembler_s390.cpp line 85:
> 
>> 83:     }
>> 84:   } else {
>> 85:     BLOCK_COMMENT("string_compress {");
> 
> Maybe assert(!toASCII, "unsupported") ?

Hmm,
could be done. On the other hand, calls are exclusively from ad-file match rules. But ok,  I'll create another commit.

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PR: https://git.openjdk.java.net/jdk/pull/6738