target/ppc: Move xxpermdi to decodetree

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20220225210936.1749575-32-matheus.ferst@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

1 files changed, 32 insertions, 39 deletions

diff --git a/target/ppc/translate/vsx-impl.c.inc b/target/ppc/translate/vsx-impl.c.inc
index 7ce90f18a5..cdefa13590 100644
--- a/target/ppc/translate/vsx-impl.c.inc
+++ b/target/ppc/translate/vsx-impl.c.inc
@@ -665,45 +665,6 @@ static void gen_mtvsrws(DisasContext *ctx)
 
 #endif
 
-static void gen_xxpermdi(DisasContext *ctx)
-{
-    TCGv_i64 xh, xl;
-
-    if (unlikely(!ctx->vsx_enabled)) {
-        gen_exception(ctx, POWERPC_EXCP_VSXU);
-        return;
-    }
-
-    xh = tcg_temp_new_i64();
-    xl = tcg_temp_new_i64();
-
-    if (unlikely((xT(ctx->opcode) == xA(ctx->opcode)) ||
-                 (xT(ctx->opcode) == xB(ctx->opcode)))) {
-        get_cpu_vsr(xh, xA(ctx->opcode), (DM(ctx->opcode) & 2) == 0);
-        get_cpu_vsr(xl, xB(ctx->opcode), (DM(ctx->opcode) & 1) == 0);
-
-        set_cpu_vsr(xT(ctx->opcode), xh, true);
-        set_cpu_vsr(xT(ctx->opcode), xl, false);
-    } else {
-        if ((DM(ctx->opcode) & 2) == 0) {
-            get_cpu_vsr(xh, xA(ctx->opcode), true);
-            set_cpu_vsr(xT(ctx->opcode), xh, true);
-        } else {
-            get_cpu_vsr(xh, xA(ctx->opcode), false);
-            set_cpu_vsr(xT(ctx->opcode), xh, true);
-        }
-        if ((DM(ctx->opcode) & 1) == 0) {
-            get_cpu_vsr(xl, xB(ctx->opcode), true);
-            set_cpu_vsr(xT(ctx->opcode), xl, false);
-        } else {
-            get_cpu_vsr(xl, xB(ctx->opcode), false);
-            set_cpu_vsr(xT(ctx->opcode), xl, false);
-        }
-    }
-    tcg_temp_free_i64(xh);
-    tcg_temp_free_i64(xl);
-}
-
 #define OP_ABS 1
 #define OP_NABS 2
 #define OP_NEG 3
@@ -1241,6 +1202,38 @@ static bool trans_XXPERMR(DisasContext *ctx, arg_XX3 *a)
     return true;
 }
 
+static bool trans_XXPERMDI(DisasContext *ctx, arg_XX3_dm *a)
+{
+    TCGv_i64 t0, t1;
+
+    REQUIRE_INSNS_FLAGS2(ctx, VSX);
+    REQUIRE_VSX(ctx);
+
+    t0 = tcg_temp_new_i64();
+
+    if (unlikely(a->xt == a->xa || a->xt == a->xb)) {
+        t1 = tcg_temp_new_i64();
+
+        get_cpu_vsr(t0, a->xa, (a->dm & 2) == 0);
+        get_cpu_vsr(t1, a->xb, (a->dm & 1) == 0);
+
+        set_cpu_vsr(a->xt, t0, true);
+        set_cpu_vsr(a->xt, t1, false);
+
+        tcg_temp_free_i64(t1);
+    } else {
+        get_cpu_vsr(t0, a->xa, (a->dm & 2) == 0);
+        set_cpu_vsr(a->xt, t0, true);
+
+        get_cpu_vsr(t0, a->xb, (a->dm & 1) == 0);
+        set_cpu_vsr(a->xt, t0, false);
+    }
+
+    tcg_temp_free_i64(t0);
+
+    return true;
+}
+
 #define GEN_VSX_HELPER_VSX_MADD(name, op1, aop, mop, inval, type)             \
 static void gen_##name(DisasContext *ctx)                                     \
 {                                                                             \