diff options
| author | Kito Cheng <kito.cheng@sifive.com> | 2021-05-06 00:06:08 +0800 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2021-06-08 09:59:44 +1000 |
| commit | 2a81973829d0e77bbfdcf9ca217de8fde5cff88f (patch) | |
| tree | 6dc3706e2c094a178a7b41a011d42027f8ac417d /target/riscv | |
| parent | 82655d8115f022a0132a74e0229dc7fa9b623b87 (diff) | |
target/riscv: rvb: sign-extend instructions
Signed-off-by: Kito Cheng <kito.cheng@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Message-id: 20210505160620.15723-8-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'target/riscv')
| -rw-r--r-- | target/riscv/insn32.decode | 3 | ||||
| -rw-r--r-- | target/riscv/insn_trans/trans_rvb.c.inc | 12 |
2 files changed, 15 insertions, 0 deletions
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index 81dfdfbafd..9361984634 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -663,6 +663,9 @@ vamomaxud_v 11100 . . ..... ..... 111 ..... 0101111 @r_wdvm clz 011000 000000 ..... 001 ..... 0010011 @r2 ctz 011000 000001 ..... 001 ..... 0010011 @r2 cpop 011000 000010 ..... 001 ..... 0010011 @r2 +sext_b 011000 000100 ..... 001 ..... 0010011 @r2 +sext_h 011000 000101 ..... 001 ..... 0010011 @r2 + andn 0100000 .......... 111 ..... 0110011 @r orn 0100000 .......... 110 ..... 0110011 @r xnor 0100000 .......... 100 ..... 0110011 @r diff --git a/target/riscv/insn_trans/trans_rvb.c.inc b/target/riscv/insn_trans/trans_rvb.c.inc index 5a4fc02f70..3d594e8cb4 100644 --- a/target/riscv/insn_trans/trans_rvb.c.inc +++ b/target/riscv/insn_trans/trans_rvb.c.inc @@ -95,6 +95,18 @@ static bool trans_maxu(DisasContext *ctx, arg_maxu *a) return gen_arith(ctx, a, tcg_gen_umax_tl); } +static bool trans_sext_b(DisasContext *ctx, arg_sext_b *a) +{ + REQUIRE_EXT(ctx, RVB); + return gen_unary(ctx, a, tcg_gen_ext8s_tl); +} + +static bool trans_sext_h(DisasContext *ctx, arg_sext_h *a) +{ + REQUIRE_EXT(ctx, RVB); + return gen_unary(ctx, a, tcg_gen_ext16s_tl); +} + static bool trans_clzw(DisasContext *ctx, arg_clzw *a) { REQUIRE_64BIT(ctx); |