From: "Bruno Larsen (billionai)" <bruno.lar...@eldorado.org.br>
Implemented XXSPLTI32DX emulation using decodetree
Signed-off-by: Bruno Larsen (billionai) <bruno.lar...@eldorado.org.br>
Signed-off-by: Matheus Ferst <matheus.fe...@eldorado.org.br>
---
target/ppc/insn64.decode | 11 ++++++++
target/ppc/translate/vsx-impl.c.inc | 41 +++++++++++++++++++++++++++++
2 files changed, 52 insertions(+)
diff --git a/target/ppc/insn64.decode b/target/ppc/insn64.decode
index 880ac3edc7..8d8d5d5729 100644
--- a/target/ppc/insn64.decode
+++ b/target/ppc/insn64.decode
@@ -32,6 +32,14 @@
...... ..... ra:5 ................ \
&PLS_D si=%pls_si rt=%rt_tsxp
+# Format 8RR:D
+%8rr_si 32:s16 0:16
+%8rr_xt 16:1 21:5
+&8RR_D_IX xt ix si:int32_t
+@8RR_D_IX ...... .. .... .. .. ................ \
+ ...... ..... ... ix:1 . ................ \
+ &8RR_D_IX si=%8rr_si xt=%8rr_xt
+
### Fixed-Point Load Instructions
PLBZ 000001 10 0--.-- .................. \
@@ -156,3 +164,6 @@ PLXVP 000001 00 0--.-- .................. \
111010 ..... ..... ................ @8LS_D_TSXP
PSTXVP 000001 00 0--.-- .................. \
111110 ..... ..... ................ @8LS_D_TSXP
+
+XXSPLTI32DX 000001 01 0000 -- -- ................ \
+ 100000 ..... 000 .. ................ @8RR_D_IX
diff --git a/target/ppc/translate/vsx-impl.c.inc
b/target/ppc/translate/vsx-impl.c.inc
index 3dbdfc2539..17cbe2dc15 100644
--- a/target/ppc/translate/vsx-impl.c.inc
+++ b/target/ppc/translate/vsx-impl.c.inc
@@ -1491,6 +1491,47 @@ static bool trans_XXSPLTIB(DisasContext *ctx, arg_X_imm8
*a)
return true;
}
+static bool trans_XXSPLTI32DX(DisasContext *ctx, arg_8RR_D_IX *a)
+{
+ REQUIRE_INSNS_FLAGS2(ctx, ISA310);
+ REQUIRE_VSX(ctx);
+
+ TCGv_i64 new_val;
+ TCGv_i64 mask;
+ TCGv_i64 t0;
+ TCGv_i64 t1;
+ new_val = tcg_temp_new_i64();
+ mask = tcg_temp_new_i64();
+ t0 = tcg_temp_new_i64();
+ t1 = tcg_temp_new_i64();
+
+ get_cpu_vsrh(t0, a->xt);
+ get_cpu_vsrl(t1, a->xt);
+
+ tcg_gen_movi_i64(new_val, a->si);
+ if (a->ix) {
+ tcg_gen_movi_i64(mask, 0x00000000ffffffff);
+ tcg_gen_shli_i64(new_val, new_val, 32);
+ } else {
+ tcg_gen_movi_i64(mask, 0xffffffff00000000);
+ }
+ tcg_gen_and_i64(t0, t0, mask);
+ tcg_gen_or_i64(t0, t0, new_val);
+ tcg_gen_and_i64(t1, t1, mask);
+ tcg_gen_or_i64(t1, t1, new_val);
+
+ set_cpu_vsrh(a->xt, t0);
+ set_cpu_vsrl(a->xt, t1);
+
+
+ tcg_temp_free_i64(mask);
+ tcg_temp_free_i64(new_val);
+ tcg_temp_free_i64(t1);
+ tcg_temp_free_i64(t0);
+
+ return true;
+}
+
static void gen_xxsldwi(DisasContext *ctx)
{
TCGv_i64 xth, xtl;
--
2.25.1
