target-ppc: Add xsiexpqp instruction

xsiexpqp: VSX Scalar Insert Exponent Quad Precision

Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

diff --git a/target/ppc/translate/vsx-impl.inc.c b/target/ppc/translate/vsx-impl.inc.c
index 2d09225..ed392aa 100644 (file)
--- a/target/ppc/translate/vsx-impl.inc.c
+++ b/target/ppc/translate/vsx-impl.inc.c
@@ -1263,6 +1263,28 @@ static void gen_xsiexpdp(DisasContext *ctx)
     tcg_temp_free_i64(t0);
 }
 
+static void gen_xsiexpqp(DisasContext *ctx)
+{
+    TCGv_i64 xth = cpu_vsrh(rD(ctx->opcode) + 32);
+    TCGv_i64 xtl = cpu_vsrl(rD(ctx->opcode) + 32);
+    TCGv_i64 xah = cpu_vsrh(rA(ctx->opcode) + 32);
+    TCGv_i64 xal = cpu_vsrl(rA(ctx->opcode) + 32);
+    TCGv_i64 xbh = cpu_vsrh(rB(ctx->opcode) + 32);
+    TCGv_i64 t0;
+
+    if (unlikely(!ctx->vsx_enabled)) {
+        gen_exception(ctx, POWERPC_EXCP_VSXU);
+        return;
+    }
+    t0 = tcg_temp_new_i64();
+    tcg_gen_andi_i64(xth, xah, 0x8000FFFFFFFFFFFF);
+    tcg_gen_andi_i64(t0, xbh, 0x7FFF);
+    tcg_gen_shli_i64(t0, t0, 48);
+    tcg_gen_or_i64(xth, xth, t0);
+    tcg_gen_mov_i64(xtl, xal);
+    tcg_temp_free_i64(t0);
+}
+
 static void gen_xsxsigdp(DisasContext *ctx)
 {
     TCGv rt = cpu_gpr[rD(ctx->opcode)];

diff --git a/target/ppc/translate/vsx-ops.inc.c b/target/ppc/translate/vsx-ops.inc.c
index 5980ac6..09b91c3 100644 (file)
--- a/target/ppc/translate/vsx-ops.inc.c
+++ b/target/ppc/translate/vsx-ops.inc.c
@@ -121,6 +121,7 @@ GEN_VSX_XFORM_300_EO(xsxexpqp, 0x04, 0x19, 0x02, 0x00000001),
 GEN_XX2FORM_EO(xsxsigdp, 0x16, 0x15, 0x01, PPC2_ISA300),
 GEN_VSX_XFORM_300_EO(xsxsigqp, 0x04, 0x19, 0x12, 0x00000001),
 GEN_HANDLER_E(xsiexpdp, 0x3C, 0x16, 0x1C, 0, PPC_NONE, PPC2_ISA300),
+GEN_VSX_XFORM_300(xsiexpqp, 0x4, 0x1B, 0x00000001),
 #endif
 
 GEN_XX2FORM(xvabsdp, 0x12, 0x1D, PPC2_VSX),