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Frozen
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The XTheadFmv extension is stable.
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The XTheadFmv ISA extension provides double-precision floating-point high-bit data transmission intructions for RV32.
This extension depends on the availability of the D (double-precision floating-point) ISA extension.
Extension version: 1.0.
The table below gives an overview of the instructions:
| RV32 | RV64 | Mnemonic | Instruction |
|---|---|---|---|
Y |
N |
th.fmv.hw.x fd, rs1 |
|
Y |
N |
th.fmv.x.hw rd, fs1 |