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X-Received-From: 216.71.153.144 Subject: [Qemu-devel] [RFC v3 13/24] riscv: tcg-target: Add the extract instructions X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "alistair23@gmail.com" , "richard.henderson@linaro.org" , Alistair Francis Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Alistair Francis Signed-off-by: Michael Clark Signed-off-by: Richard Henderson Reviewed-by: Richard Henderson --- tcg/riscv/tcg-target.inc.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/tcg/riscv/tcg-target.inc.c b/tcg/riscv/tcg-target.inc.c index 29275d6ac9..b7de24e5c8 100644 --- a/tcg/riscv/tcg-target.inc.c +++ b/tcg/riscv/tcg-target.inc.c @@ -582,3 +582,37 @@ static void tcg_out_movi(TCGContext *s, TCGType type, TCGReg rd, tcg_out_opc_upper(s, OPC_AUIPC, rd, 0); tcg_out_opc_imm(s, OPC_LD, rd, rd, 0); } + +static void tcg_out_ext8u(TCGContext *s, TCGReg ret, TCGReg arg) +{ + tcg_out_opc_imm(s, OPC_ANDI, ret, arg, 0xff); +} + +static void tcg_out_ext16u(TCGContext *s, TCGReg ret, TCGReg arg) +{ + tcg_out_opc_imm(s, OPC_SLLIW, ret, arg, 16); + tcg_out_opc_imm(s, OPC_SRLIW, ret, ret, 16); +} + +static void tcg_out_ext32u(TCGContext *s, TCGReg ret, TCGReg arg) +{ + tcg_out_opc_imm(s, OPC_SLLI, ret, arg, 32); + tcg_out_opc_imm(s, OPC_SRLI, ret, ret, 32); +} + +static void tcg_out_ext8s(TCGContext *s, TCGReg ret, TCGReg arg) +{ + tcg_out_opc_imm(s, OPC_SLLIW, ret, arg, 24); + tcg_out_opc_imm(s, OPC_SRAIW, ret, ret, 24); +} + +static void tcg_out_ext16s(TCGContext *s, TCGReg ret, TCGReg arg) +{ + tcg_out_opc_imm(s, OPC_SLLIW, ret, arg, 16); + tcg_out_opc_imm(s, OPC_SRAIW, ret, ret, 16); +} + +static void tcg_out_ext32s(TCGContext *s, TCGReg ret, TCGReg arg) +{ + tcg_out_opc_imm(s, OPC_ADDIW, ret, arg, 0); +}