On Thu, 24 Feb 2022 01:43:27 GMT, Sandhya Viswanathan
<sviswanat...@openjdk.org> wrote:
>> Jatin Bhateja has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> 8279508: Review comments resolved.
>
> src/hotspot/cpu/x86/macroAssembler_x86.cpp line 8984:
>
>> 8982: }
>> 8983:
>> 8984: void MacroAssembler::round_double(Register dst, XMMRegister src,
>> Register rtmp, Register rcx) {
>
> Is it possible to implement this using the similar mxcsr change? In any case
> comments will help to review round_double and round_float code.
LDMXCSR has multi-cycle latency and it will degrade the performance of scalar
operation's fast path.
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PR: https://git.openjdk.java.net/jdk/pull/7094
