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target/riscv: Add support for Zfbfmin extension

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Add trans_* and helper function for Zfbfmin 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: <20230615063302.102409-3-liweiwei@iscas.ac.cn>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Weiwei Li 2023-06-15 14:32:58 +08:00 • committed by Alistair Francis
parent 4556fdaa5c
commit 5d1270caac
6 changed files with 80 additions and 6 deletions
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4
target/riscv/insn32.decode
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@ -908,3 +908,7 @@ sm4ks .. 11010 ..... ..... 000 ..... 0110011 @k_aes
# *** RV32 Zicond Standard Extension ***
czero_eqz 0000111 ..... ..... 101 ..... 0110011 @r
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