RFR: 8296548: Improve MD5 intrinsic for x86_64

Tue Nov 15 17:37:58 UTC 2022

On Tue, 15 Nov 2022 17:18:37 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

> Do we have other intrinsics which use LEA (not for this fix)?

My pending ChaCha20 intrinsics ( #7702 ) use LEA for getting the address of constant data to be loaded into SIMD registers.  That happens before the 10-iteration loop that implements the 20 rounds (which is the critical section of the intrinsic).

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PR: https://git.openjdk.org/jdk/pull/11054