RFR: 8314748: 1-10% regressions on Crypto micros

[Stefan Karlsson]

On Fri, 25 Aug 2023 09:50:25 GMT, Andrew Haley <aph at openjdk.org> wrote:

> Performance improvement. This also reduces the delta between mainline head and the backportts in 11u and 8u.

@theRealAph This seems to be causing a tier1 build failure in our CI pipeline. The error message is:

src/hotspot/cpu/x86/macroAssembler_x86.cpp:2755), pid=7238, tid=7480
assert(rscratch != noreg || always_reachable(src)) failed: missing
...
# Problematic frame:
# V  [libjvm.so+0x12f17b9]  MacroAssembler::evmovdquq(XMMRegister, AddressLiteral, int, Register)+0x1a9

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PR Comment: https://git.openjdk.org/jdk/pull/15427#issuecomment-1700649395