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charset="utf-8" Signed-off-by: LIU Zhiwei Reviewed-by: Alistair Francis --- target/riscv/insn32.decode | 2 ++ target/riscv/insn_trans/trans_rvzabha.c.inc | 14 ++++++++++++++ 2 files changed, 16 insertions(+) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index 3bad6372f2..c45b8fa1d8 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -1041,3 +1041,5 @@ amomin_h 10000 . . ..... ..... 001 ..... 0101111 @a= tom_st amomax_h 10100 . . ..... ..... 001 ..... 0101111 @atom_st amominu_h 11000 . . ..... ..... 001 ..... 0101111 @atom_st amomaxu_h 11100 . . ..... ..... 001 ..... 0101111 @atom_st +amocas_b 00101 . . ..... ..... 000 ..... 0101111 @atom_st +amocas_h 00101 . . ..... ..... 001 ..... 0101111 @atom_st diff --git a/target/riscv/insn_trans/trans_rvzabha.c.inc b/target/riscv/ins= n_trans/trans_rvzabha.c.inc index 9093a1cfc1..ce8edcba62 100644 --- a/target/riscv/insn_trans/trans_rvzabha.c.inc +++ b/target/riscv/insn_trans/trans_rvzabha.c.inc @@ -129,3 +129,17 @@ static bool trans_amomaxu_h(DisasContext *ctx, arg_amo= maxu_h *a) REQUIRE_ZABHA(ctx); return gen_amo(ctx, a, &tcg_gen_atomic_fetch_umax_tl, MO_TESW); } + +static bool trans_amocas_b(DisasContext *ctx, arg_amocas_b *a) +{ + REQUIRE_ZACAS(ctx); + REQUIRE_ZABHA(ctx); + return gen_cmpxchg(ctx, a, MO_SB); +} + +static bool trans_amocas_h(DisasContext *ctx, arg_amocas_h *a) +{ + REQUIRE_ZACAS(ctx); + REQUIRE_ZABHA(ctx); + return gen_cmpxchg(ctx, a, MO_ALIGN | MO_TESW); +} --=20 2.25.1