FCVT.W.D
ISAFCVT.W.D is an RISC-V floating-point-to-integer conversion instruction. It converts a double-precision floating-point value to a 32-bit signed integer in an integer register. The instruction is referenced as the baseline for the Zfa extension's FCVTMOD.W.D, which modifies its rounding and overflow behavior.
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FCVT.W.D
Overview
FCVT.W.D is a RISC-V single-precision floating-point instruction that converts a double-precision floating-point value to a 32-bit signed integer, writing the result into integer register rd.
(Editor's note: the canonical mnemonic FCVT.W.D follows the RISC-V FCVT family convention of "convert from floating-point to integer". The remainder of this article records what the available evidence supports.)
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