tcg: Promote tcg_out_{dup,dupi}_vec to backend interface

[mirror_qemu.git] / tcg / optimize.c

diff --git a/tcg/optimize.c b/tcg/optimize.c
index 01e80c3e46f3f4df3bb7edbb274b05a870eb2be4..24faa0626065bd7a68804bf1f90cad13a184f4c7 100644 (file)
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -734,9 +734,13 @@ void tcg_optimize(TCGContext *s)
                 } else if (opc == INDEX_op_sub_i64) {
                     neg_op = INDEX_op_neg_i64;
                     have_neg = TCG_TARGET_HAS_neg_i64;
-                } else {
+                } else if (TCG_TARGET_HAS_neg_vec) {
+                    TCGType type = TCGOP_VECL(op) + TCG_TYPE_V64;
+                    unsigned vece = TCGOP_VECE(op);
                     neg_op = INDEX_op_neg_vec;
-                    have_neg = TCG_TARGET_HAS_neg_vec;
+                    have_neg = tcg_can_emit_vec_op(neg_op, type, vece) > 0;
+                } else {
+                    break;
                 }
                 if (!have_neg) {
                     break;
@@ -1202,6 +1206,22 @@ void tcg_optimize(TCGContext *s)
             }
             goto do_default;
 
+        CASE_OP_32_64(extract2):
+            if (arg_is_const(op->args[1]) && arg_is_const(op->args[2])) {
+                TCGArg v1 = arg_info(op->args[1])->val;
+                TCGArg v2 = arg_info(op->args[2])->val;
+
+                if (opc == INDEX_op_extract2_i64) {
+                    tmp = (v1 >> op->args[3]) | (v2 << (64 - op->args[3]));
+                } else {
+                    tmp = (v1 >> op->args[3]) | (v2 << (32 - op->args[3]));
+                    tmp = (int32_t)tmp;
+                }
+                tcg_opt_gen_movi(s, op, op->args[0], tmp);
+                break;
+            }
+            goto do_default;
+
         CASE_OP_32_64(setcond):
             tmp = do_constant_folding_cond(opc, op->args[1],
                                            op->args[2], op->args[3]);