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| author | LIU Zhiwei | 2020-07-01 17:25:40 +0200 |
|---|---|---|
| committer | Alistair Francis | 2020-07-02 18:19:33 +0200 |
| commit | 81fbf7daf2eccadd6480b90db95a2e8c410d4414 (patch) | |
| tree | 907d309659d3294b6f04b4cfedd76faded12f4ab /target/riscv/insn_trans | |
| parent | target/riscv: vmfirst find-first-set mask bit (diff) | |
| download | qemu-81fbf7daf2eccadd6480b90db95a2e8c410d4414.tar.gz qemu-81fbf7daf2eccadd6480b90db95a2e8c410d4414.tar.xz qemu-81fbf7daf2eccadd6480b90db95a2e8c410d4414.zip | |
target/riscv: set-X-first mask bit
Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200701152549.1218-53-zhiwei_liu@c-sky.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'target/riscv/insn_trans')
| -rw-r--r-- | target/riscv/insn_trans/trans_rvv.inc.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/target/riscv/insn_trans/trans_rvv.inc.c b/target/riscv/insn_trans/trans_rvv.inc.c index 01c32a3278..33ffe5dc1a 100644 --- a/target/riscv/insn_trans/trans_rvv.inc.c +++ b/target/riscv/insn_trans/trans_rvv.inc.c @@ -2453,3 +2453,31 @@ static bool trans_vmfirst_m(DisasContext *s, arg_rmr *a) } return false; } + +/* vmsbf.m set-before-first mask bit */ +/* vmsif.m set-includ-first mask bit */ +/* vmsof.m set-only-first mask bit */ +#define GEN_M_TRANS(NAME) \ +static bool trans_##NAME(DisasContext *s, arg_rmr *a) \ +{ \ + if (vext_check_isa_ill(s)) { \ + uint32_t data = 0; \ + gen_helper_gvec_3_ptr *fn = gen_helper_##NAME; \ + TCGLabel *over = gen_new_label(); \ + tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_vl, 0, over); \ + \ + data = FIELD_DP32(data, VDATA, MLEN, s->mlen); \ + data = FIELD_DP32(data, VDATA, VM, a->vm); \ + data = FIELD_DP32(data, VDATA, LMUL, s->lmul); \ + tcg_gen_gvec_3_ptr(vreg_ofs(s, a->rd), \ + vreg_ofs(s, 0), vreg_ofs(s, a->rs2), \ + cpu_env, 0, s->vlen / 8, data, fn); \ + gen_set_label(over); \ + return true; \ + } \ + return false; \ +} + +GEN_M_TRANS(vmsbf_m) +GEN_M_TRANS(vmsif_m) +GEN_M_TRANS(vmsof_m) |