Signed-off-by: Víctor Colombo <victor.colo...@eldorado.org.br>
---
target/ppc/insn32.decode | 5 +++++
target/ppc/translate/fp-impl.c.inc | 35 ++++++++++++++++++++++++++++++
2 files changed, 40 insertions(+)
diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode
index 177aa49878..e16fad2853 100644
--- a/target/ppc/insn32.decode
+++ b/target/ppc/insn32.decode
@@ -130,6 +130,9 @@
&X_imm2 rt imm
@X_imm2 ...... rt:5 ..... ... imm:2 .......... . &X_imm2
+&X_imm3 rt imm
+@X_imm3 ...... rt:5 ..... .. imm:3 .......... . &X_imm3
+
%x_xt 0:1 21:5
&X_imm5 xt imm:uint8_t vrb
@X_imm5 ...... ..... imm:5 vrb:5 .......... . &X_imm5
xt=%x_xt
@@ -330,7 +333,9 @@ MFFS 111111 ..... 00000 ----- 1001000111 .
@X_t_rc
MFFSL 111111 ..... 11000 ----- 1001000111 - @X_t
MFFSCE 111111 ..... 00001 ----- 1001000111 - @X_t
MFFSCRN 111111 ..... 10110 ..... 1001000111 - @X_tb
+MFFSCDRN 111111 ..... 10100 ..... 1001000111 - @X_tb
MFFSCRNI 111111 ..... 10111 ---.. 1001000111 - @X_imm2
+MFFSCDRNI 111111 ..... 10101 --... 1001000111 - @X_imm3
### Decimal Floating-Point Arithmetic Instructions
diff --git a/target/ppc/translate/fp-impl.c.inc
b/target/ppc/translate/fp-impl.c.inc
index b294e286fb..32ddad49f5 100644
--- a/target/ppc/translate/fp-impl.c.inc
+++ b/target/ppc/translate/fp-impl.c.inc
@@ -679,6 +679,41 @@ static bool trans_MFFSCRNI(DisasContext *ctx, arg_X_imm2
*a)
return true;
}
+static bool trans_MFFSCDRN(DisasContext *ctx, arg_X_tb *a)
+{
+ TCGv_i64 t1;
+
+ REQUIRE_INSNS_FLAGS2(ctx, ISA300);
+ REQUIRE_FPU(ctx);
+
+ t1 = tcg_temp_new_i64();
+ get_fpr(t1, a->rb);
+ tcg_gen_andi_i64(t1, t1, FP_DRN);
+
+ do_mffsc(a->rt, t1, FP_DRN | FP_ENABLES | FP_NI | FP_RN, ~FP_DRN, 0x0100);
+
+ tcg_temp_free_i64(t1);
+
+ return true;
+}
+
+static bool trans_MFFSCDRNI(DisasContext *ctx, arg_X_imm3 *a)
+{
+ TCGv_i64 t1;
+
+ REQUIRE_INSNS_FLAGS2(ctx, ISA300);
+ REQUIRE_FPU(ctx);
+
+ t1 = tcg_temp_new_i64();
+ tcg_gen_movi_i64(t1, (uint64_t)a->imm << FPSCR_DRN0);
+
+ do_mffsc(a->rt, t1, FP_DRN | FP_ENABLES | FP_NI | FP_RN, ~FP_DRN, 0x0100);
+
+ tcg_temp_free_i64(t1);
+
+ return true;
+}
+
/* mtfsb0 */
static void gen_mtfsb0(DisasContext *ctx)
{
--
2.25.1
