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8248188: Add IntrinsicCandidate and API for Base64 decoding

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8248188: Add IntrinsicCandidate and API for Base64 decoding, add Power64LE intrinsic implementation.

This patch set encompasses the following commits:

Adds a new intrinsic candidate to the java.lang.Base64 class - decodeBlock(), and provides a flexible API for the intrinsic. The API is similar to the existing encodeBlock intrinsic.

Adds the code in HotSpot to check and martial the new intrinsic's arguments to the arch-specific intrinsic implementation.

Adds a Power64LE-specific implementation of the decodeBlock intrinsic.

Adds a JMH microbenchmark for both Base64 encoding and encoding.

Enhances the JTReg hotspot intrinsic "TestBase64.java" regression test to more fully test both decoding and encoding.

Reviewed-by: rriggs, mdoerr, kvn
This commit is contained in:
Corey Ashford 2020-11-11 21:31:07 +00:00 • committed by Martin Doerr
parent 59965c17b4
commit ccb48b7203
25 changed files with 1901 additions and 27 deletions
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1
src/hotspot/share/jvmci/vmStructs_jvmci.cpp
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@ -307,6 +307,7 @@
static_field(StubRoutines, _electronicCodeBook_decryptAESCrypt, address) \
static_field(StubRoutines, _counterMode_AESCrypt, address) \
static_field(StubRoutines, _base64_encodeBlock, address) \
static_field(StubRoutines, _base64_decodeBlock, address) \
static_field(StubRoutines, _ghash_processBlocks, address) \
static_field(StubRoutines, _sha1_implCompress, address) \
static_field(StubRoutines, _sha1_implCompressMB, address) \