[Libre-soc-isa] [Bug 893] SVP64 proposal to OPF

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=893

--- Comment #16 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
found ARM's SVE2 Matrix Extension.
https://developer.arm.com/documentation/ddi0602/2022-06/SME-Instructions/SMOPA--Signed-integer-sum-of-outer-products-and-accumulate-?lang=en

i cannot tell by looking at the linked pseudocode if it is power-2 or
non-power-2

    CheckStreamingSVEAndZAEnabled();
    constant integer VL = CurrentVL;
    constant integer PL = VL DIV 8;
    constant integer dim = VL DIV esize;

there's a hyperlink to CurrentVL

https://developer.arm.com/documentation/ddi0602/2022-06/Shared-Pseudocode/AArch64-Functions?lang=en#impl-aarch64.CurrentVL.read.none

but i get totally lost in the ref-to-this, ref-to-that,
if-optional-thing-enabled use this, if-not-use-that.

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