On Wed, 16 Feb 2022 12:26:45 GMT, Jatin Bhateja wrote:
>>> > Hi, IIRC for evex encoding you can embed the RC control bit directly in
>>> > the evex prefix, removing the need to rely on global MXCSR register.
>>> > Thanks.
>>>
>>> Hi @merykitty , You are correct, we can embed RC mode in
On Mon, 14 Feb 2022 17:14:10 GMT, Jatin Bhateja wrote:
>> That pseudocode would make a very useful comment too. This whole patch is
>> very thinly commented.
>
>> > Hi, IIRC for evex encoding you can embed the RC control bit directly in
>> > the evex prefix, removing the need to rely on global
On Mon, 14 Feb 2022 09:12:54 GMT, Andrew Haley wrote:
>>> What does this do? Comment, even pseudo code, would be nice.
>>
>> Thanks @theRealAph , I shall append the comments over the routine.
>> BTW, entire rounding algorithm can also be implemented using Vector API
>> which can perform
On Sun, 13 Feb 2022 13:12:35 GMT, Jatin Bhateja wrote:
>>> Hi, IIRC for evex encoding you can embed the RC control bit directly in the
>>> evex prefix, removing the need to rely on global MXCSR register. Thanks.
>>
>> Hi @merykitty , You are correct, we can embed RC mode in instruction
>>
On Sun, 13 Feb 2022 13:08:41 GMT, Jatin Bhateja wrote:
>> src/hotspot/cpu/x86/c2_MacroAssembler_x86.cpp line 4066:
>>
>>> 4064: }
>>> 4065:
>>> 4066: void
>>> C2_MacroAssembler::vector_cast_double_special_cases_evex(XMMRegister dst,
>>> XMMRegister src, XMMRegister xtmp1,
>>
>> What does
On Sun, 13 Feb 2022 10:58:19 GMT, Andrew Haley wrote:
>> Jatin Bhateja has updated the pull request with a new target base due to a
>> merge or a rebase. The incremental webrev excludes the unrelated changes
>> brought in by the merge/rebase. The pull request contains four additional
>>
On Sun, 13 Feb 2022 03:09:43 GMT, Jatin Bhateja wrote:
>> Summary of changes:
>> - Intrinsify Math.round(float) and Math.round(double) APIs.
>> - Extend auto-vectorizer to infer vector operations on encountering scalar
>> IR nodes for above intrinsics.
>> - Test creation using new IR testing
On Sun, 13 Feb 2022 03:09:43 GMT, Jatin Bhateja wrote:
>> Summary of changes:
>> - Intrinsify Math.round(float) and Math.round(double) APIs.
>> - Extend auto-vectorizer to infer vector operations on encountering scalar
>> IR nodes for above intrinsics.
>> - Test creation using new IR testing
On Sun, 13 Feb 2022 03:09:43 GMT, Jatin Bhateja wrote:
>> Summary of changes:
>> - Intrinsify Math.round(float) and Math.round(double) APIs.
>> - Extend auto-vectorizer to infer vector operations on encountering scalar
>> IR nodes for above intrinsics.
>> - Test creation using new IR testing
> Summary of changes:
> - Intrinsify Math.round(float) and Math.round(double) APIs.
> - Extend auto-vectorizer to infer vector operations on encountering scalar IR
> nodes for above intrinsics.
> - Test creation using new IR testing framework.
>
> Following are the performance number of a JMH
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