[PULL 14/87] target/ppc: Implement vextsd2q

[Cédric Le Goater]

From: Lucas Coutinho <lucas.coutinho@eldorado.org.br>

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Lucas Coutinho <lucas.coutinho@eldorado.org.br>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20220225210936.1749575-9-matheus.ferst@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
 target/ppc/insn32.decode            |  1 +
 target/ppc/translate/vmx-impl.c.inc | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode
index 1dcf9c61e9c7..cba680075b23 100644
--- a/target/ppc/insn32.decode
+++ b/target/ppc/insn32.decode
@@ -426,6 +426,7 @@ VEXTSH2W        000100 ..... 10001 ..... 11000000010    
@VX_tb
 VEXTSB2D        000100 ..... 11000 ..... 11000000010    @VX_tb
 VEXTSH2D        000100 ..... 11001 ..... 11000000010    @VX_tb
 VEXTSW2D        000100 ..... 11010 ..... 11000000010    @VX_tb
+VEXTSD2Q        000100 ..... 11011 ..... 11000000010    @VX_tb
 
 ## Vector Mask Manipulation Instructions
 
diff --git a/target/ppc/translate/vmx-impl.c.inc 
b/target/ppc/translate/vmx-impl.c.inc
index aa021bdf542d..afe56a19d591 100644
--- a/target/ppc/translate/vmx-impl.c.inc
+++ b/target/ppc/translate/vmx-impl.c.inc
@@ -1825,6 +1825,24 @@ TRANS(VEXTSB2D, do_vexts, MO_64, 56);
 TRANS(VEXTSH2D, do_vexts, MO_64, 48);
 TRANS(VEXTSW2D, do_vexts, MO_64, 32);
 
+static bool trans_VEXTSD2Q(DisasContext *ctx, arg_VX_tb *a)
+{
+    TCGv_i64 tmp;
+
+    REQUIRE_INSNS_FLAGS2(ctx, ISA310);
+    REQUIRE_VECTOR(ctx);
+
+    tmp = tcg_temp_new_i64();
+
+    get_avr64(tmp, a->vrb, false);
+    set_avr64(a->vrt, tmp, false);
+    tcg_gen_sari_i64(tmp, tmp, 63);
+    set_avr64(a->vrt, tmp, true);
+
+    tcg_temp_free_i64(tmp);
+    return true;
+}
+
 GEN_VXFORM_NOA_2(vctzb, 1, 24, 28)
 GEN_VXFORM_NOA_2(vctzh, 1, 24, 29)
 GEN_VXFORM_NOA_2(vctzw, 1, 24, 30)
-- 
2.34.1