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target/ppc: Implement xvtlsbb instruction

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Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20220225210936.1749575-39-matheus.ferst@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Víctor Colombo 2022-03-02 06:51:38 +01:00 • committed by Cédric Le Goater
parent 3bb1aed246
commit d518239b06
2 changed files with 47 additions and 0 deletions
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40
target/ppc/translate/vsx-impl.c.inc
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@ -1704,6 +1704,46 @@ static bool trans_LXVKQ(DisasContext *ctx, arg_X_uim5 *a)
return true;
}
static bool trans_XVTLSBB(DisasContext *ctx, arg_XX2_bf_xb *a)
{
TCGv_i64 xb, t0, t1, all_true, all_false, mask, zero;
REQUIRE_INSNS_FLAGS2(ctx, ISA310);
REQUIRE_VSX(ctx);
xb = tcg_temp_new_i64();
t0 = tcg_temp_new_i64();
t1 = tcg_temp_new_i64();
all_true = tcg_temp_new_i64();
all_false = tcg_temp_new_i64();
mask = tcg_constant_i64(dup_const(MO_8, 1));
zero = tcg_constant_i64(0);
get_cpu_vsr(xb, a->xb, true);
tcg_gen_and_i64(t0, mask, xb);
get_cpu_vsr(xb, a->xb, false);
tcg_gen_and_i64(t1, mask, xb);
tcg_gen_or_i64(all_false, t0, t1);
tcg_gen_and_i64(all_true, t0, t1);
tcg_gen_setcond_i64(TCG_COND_EQ, all_false, all_false, zero);
tcg_gen_shli_i64(all_false, all_false, 1);
tcg_gen_setcond_i64(TCG_COND_EQ, all_true, all_true, mask);
tcg_gen_shli_i64(all_true, all_true, 3);
tcg_gen_or_i64(t0, all_false, all_true);
tcg_gen_extrl_i64_i32(cpu_crf[a->bf], t0);
tcg_temp_free_i64(xb);
tcg_temp_free_i64(t0);
tcg_temp_free_i64(t1);
tcg_temp_free_i64(all_true);
tcg_temp_free_i64(all_false);
return true;
}
static void gen_xxsldwi(DisasContext *ctx)
{
TCGv_i64 xth, xtl;