Import QEMU upstream snapshot d2e570c

Upstream: https://gitlab.com/qemu-project/qemu.git

Upstream-Commit: d2e570cc0f97b936902a5b1b86b73c0f5998b475

disas/riscv-xventana.c

@@ -0,0 +1,33 @@
+/*
+ * QEMU RISC-V Disassembler for xventana.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "disas/riscv.h"
+#include "disas/riscv-xventana.h"
+
+#define OP(N, ...) static const rv_opcode_data op_##N = { __VA_ARGS__ };
+#include "riscv-xventana-op.c.inc"
+#undef OP
+
+const rv_opcode_data *decode_xventanacondops(rv_decode *dec, rv_isa isa)
+{
+    rv_inst inst = dec->inst;
+
+    switch (((inst >> 0) & 0b11)) {
+    case 3:
+        switch (((inst >> 2) & 0b11111)) {
+        case 30:
+            switch (((inst >> 22) & 0b1111111000) | ((inst >> 12) & 0b0000000111)) {
+            case 6: return &op_vt_maskc;
+            case 7: return &op_vt_maskcn;
+            }
+            break;
+        }
+        break;
+    }
+
+    return NULL;
+}