Simplify the comparison opcodes in the bytecode engine, for a performance

improvement.

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diff --cc manifest
index ce0a96a9dfb8f079e93d825081df0ef0d2172d95,687d46dab347822dc4f1e6eb668613d48cf27a0b..3cbcfbde9de08fb2f59a18dfa815f1ed059d2430
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--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Alternative\simplementation\sof\sthe\scomparison\sopcode\sspeed-up\sof\ncheck-in\s[4a8805d9a66dc888]\sthat\sshould\spass\smuster\swith\sUBSAN.
- D 2021-03-28T23:37:56.856
 -C Fix\sVDBE\scoverage\smacros.
 -D 2021-03-29T19:47:39.563
++C Simplify\sthe\scomparison\sopcodes\sin\sthe\sbytecode\sengine,\sfor\sa\sperformance\nimprovement.
++D 2021-03-29T20:01:04.041
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  F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
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