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target/riscv: set-X-first mask bit

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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>
This commit is contained in:
LIU Zhiwei 2020-07-01 23:25:40 +08:00 • committed by Alistair Francis
parent 0db67e1c0c
commit 81fbf7daf2
4 changed files with 98 additions and 0 deletions
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28
target/riscv/insn_trans/trans_rvv.inc.c
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@ -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)