RFR: 8281812: x86: Use short jumps in TemplateTable::condy_helper

[Aleksey Shipilev]

Similar to [JDK-8281744](https://bugs.openjdk.java.net/browse/JDK-8281744), this change improves TemplateTable::condy_helper, for the same reason: there are only a few pushes between the jumps, and we can tell MacroAssembler those can be short. There is no significant code that uses condy yet (I think), so the performance improvement for condy is only theoretical. This makes interpreter code a bit more compact, though.

Additional testing:
 - [x] Linux x86_64 `fastdebug`, `java/lang/invoke/condy`, `runtime/condy`
 - [x] Linux x86_32 `fastdebug`, `java/lang/invoke/condy`, `runtime/condy`

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Commit messages:
 - Fix

Changes: https://git.openjdk.java.net/jdk/pull/7473/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=7473&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8281812
  Stats: 8 lines in 1 file changed: 0 ins; 0 del; 8 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7473.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7473/head:pull/7473

PR: https://git.openjdk.java.net/jdk/pull/7473