RISC-V: RoundDoubleModeV does not use dynamic rounding mode correctly

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    • riscv
    • linux

      Currently, the `vfcvt_rtz_x_f_v` operand is being used in `RoundDoubleModeV`. We use the `csrwi` instruction to set frm for different rounding mode, which is similar to scalar calculations. But `vfcvt_rtz_x_f_v` will not use dynamic rounding mode.

      The test `TestDoubleVect.java`[1] will not cover `RoundDoubleModeV` as expected, I'm continuing to debug or write new test cases, but maybe that will be another issue.

            Assignee:
            Dingli Zhang
            Reporter:
            Dingli Zhang
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              Created:
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