[libre-riscv-dev] FP unit testing (was Re: [isa-dev] FP reciprocal sqrt extension proposal)

Allen Baum allen.baum at esperantotech.com
Mon Jul 15 05:43:50 BST 2019

Does it handle DP as well as SP?


> On Jul 14, 2019, at 8:00 PM, Jacob Lifshay <programmerjake at gmail.com> wrote:
> I found a project that is designed for building implementations of
> math operations compliant to the IEEE 754 spec:
> http://www.metalibm.org/ (kinda successor to crlibm)
> From what I can tell, it supports converting a mathematical expression
> (on real numbers) to a implementation of that expression in code that
> produces results matching IEEE 754 along with a proof of correctness.
> This looks like it would be ideal for verifying frsqrt implementations
> along with other math operations.
> Jacob
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