[foreign-memaccess+abi] RFR: 8295353: Mark Register v24 as Volatile in Foreign Function & Memory C ABI Definition

Jorn Vernee jvernee at openjdk.org
Tue Nov 1 14:47:10 UTC 2022


On Fri, 14 Oct 2022 16:06:39 GMT, Saint Wesonga <duke at openjdk.org> wrote:

> The C ABI defined by the Foreign Function & Memory API does not include v24 in the list of volatile floating point vector registers. As per the spec, v16-v31 do not need to be preserved. See https://github.com/ARM-software/abi-aa/blob/main/aapcs64/aapcs64.rst#612simd-and-floating-point-registers

Thanks for fixing!

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PR: https://git.openjdk.org/panama-foreign/pull/743


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