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target/riscv: Add support for Zvfbfmin extension

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Add trans_* and helper function for Zvfbfmin instructions.

Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn>
Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230615063302.102409-4-liweiwei@iscas.ac.cn>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Weiwei Li 2023-06-15 14:32:59 +08:00 • committed by Alistair Francis
parent 5d1270caac
commit 87b27bfca4
4 changed files with 77 additions and 0 deletions
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4
target/riscv/insn32.decode
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@ -912,3 +912,7 @@ czero_nez 0000111 ..... ..... 111 ..... 0110011 @r
# *** Zfbfmin Standard Extension ***
fcvt_bf16_s 0100010 01000 ..... ... ..... 1010011 @r2_rm
fcvt_s_bf16 0100000 00110 ..... ... ..... 1010011 @r2_rm
# *** Zvfbfmin Standard Extension ***
vfncvtbf16_f_f_w 010010 . ..... 11101 001 ..... 1010111 @r2_vm
vfwcvtbf16_f_f_v 010010 . ..... 01101 001 ..... 1010111 @r2_vm