sviswa7

@vnkozlov @rkennke RTM feature is available on Intel ICX as well as upcoming Xeon platforms.

@rkennke RTM locking provides benefit of fine grain lock performance with coarse grain lock. It is useful when there is high contention on lock and low conflict in the critical...

@AJ-Ferguson Please do add a test for this case.

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@ascarpino Could you please also take a look at this PR?

The PR looks good to me. @ascarpino Please let us know if the Java side changes look good to you. @iwanowww Please let us know if the compiler side changes...

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The intrinsics and the C2 changes look good to me.

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Should is_src_gpr be set to true for the following: void Assembler::movdl(Register dst, XMMRegister src) { NOT_LP64(assert(VM_Version::supports_sse2(), "")); InstructionAttr attributes(AVX_128bit, /* rex_w */ false, /* legacy_mode */ false, /* no_mask_reg */...