diff options
| author | Bastian Koppelmann <kbastian@mail.uni-paderborn.de> | 2019-02-13 07:53:42 -0800 |
|---|---|---|
| committer | Bastian Koppelmann <kbastian@mail.uni-paderborn.de> | 2019-03-13 10:34:06 +0100 |
| commit | 3cca75a6fe8b3f85e19559ffa64cb0be370d2814 (patch) | |
| tree | f1d241542c7e5c17cfc78f8a2694adb7a35de858 /target/riscv/insn32.decode | |
| parent | 2a53cff418335ccb4719e9a94fde55f6ebcc895d (diff) | |
target/riscv: Convert RVXI branch insns to decodetree
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Peer Adelt <peer.adelt@hni.uni-paderborn.de>
Diffstat (limited to 'target/riscv/insn32.decode')
| -rw-r--r-- | target/riscv/insn32.decode | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index 44d4e922b6..81f56c16b4 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -17,14 +17,33 @@ # this program. If not, see <http://www.gnu.org/licenses/>. # Fields: +%rs2 20:5 +%rs1 15:5 %rd 7:5 # immediates: +%imm_i 20:s12 +%imm_b 31:s1 7:1 25:6 8:4 !function=ex_shift_1 +%imm_j 31:s1 12:8 20:1 21:10 !function=ex_shift_1 %imm_u 12:s20 !function=ex_shift_12 +# Argument sets: +&b imm rs2 rs1 + # Formats 32: +@i ............ ..... ... ..... ....... imm=%imm_i %rs1 %rd +@b ....... ..... ..... ... ..... ....... &b imm=%imm_b %rs2 %rs1 @u .................... ..... ....... imm=%imm_u %rd +@j .................... ..... ....... imm=%imm_j %rd # *** RV32I Base Instruction Set *** lui .................... ..... 0110111 @u auipc .................... ..... 0010111 @u +jal .................... ..... 1101111 @j +jalr ............ ..... 000 ..... 1100111 @i +beq ....... ..... ..... 000 ..... 1100011 @b +bne ....... ..... ..... 001 ..... 1100011 @b +blt ....... ..... ..... 100 ..... 1100011 @b +bge ....... ..... ..... 101 ..... 1100011 @b +bltu ....... ..... ..... 110 ..... 1100011 @b +bgeu ....... ..... ..... 111 ..... 1100011 @b |