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Any support for "vectorcall" under Win64?
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Topic: Any support for "vectorcall" under Win64? (Read 3505 times)
CuriousKit
Jr. Member
Posts: 78
Any support for "vectorcall" under Win64?
«
on:
April 12, 2016, 09:29:50 pm »
I don't know whether to call this a feature request or asking for an answer in regards to what Free Pascal's implementation is...
Is there a means to request that a function be compiled under "vectorcall" rules when the target is x86-64 under Win64? That is,
https://msdn.microsoft.com/en-gb/library/dn375768.aspx?f=255&MSPPError=-2147217396
.
I have a number of assembly language routines that are optimised to use SSE and AVX, but I still have to load input vectors into the XMM registers and store them back in memory afterwards, only to load them again for the next function.
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Thaddy
Hero Member
Posts: 14382
Sensorship about opinions does not belong here.
Re: Any support for "vectorcall" under Win64?
«
Reply #1 on:
May 31, 2016, 02:06:42 pm »
For FPC -Sv is the option, but also select a suitable FPU. (SSE(X), AVX, AVX2)
Logged
Object Pascal programmers should get rid of their "component fetish" especially with the non-visuals.
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Any support for "vectorcall" under Win64?
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