[CHERIOT] Use capability registers to store f64 values. #190
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This enables each f64 to be passed by value in a single cap register, rather than in pairs of integer registers. This required adding explicit type annotations to various places in the XCheri tblgen files, as the GPCR class can now hold values type c64 or f64, breaking type inference.
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This enables each f64 to be passed by value in a single cap register,
rather than in pairs of integer registers.
This required adding explicit type annotations to various places in the
XCheri tblgen files, as the GPCR class can now hold values type c64 or
f64, breaking type inference.