1 files changed, 71 insertions, 0 deletions
diff --git a/tcg/mips/tcg-target-has.h b/tcg/mips/tcg-target-has.h
new file mode 100644
index 0000000..b9eb338
--- /dev/null
+++ b/tcg/mips/tcg-target-has.h
@@ -0,0 +1,71 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Define target-specific opcode support
+ * Copyright (c) 2008-2009 Arnaud Patard <arnaud.patard@rtp-net.org>
+ * Copyright (c) 2009 Aurelien Jarno <aurelien@aurel32.net>
+ */
+
+#ifndef TCG_TARGET_HAS_H
+#define TCG_TARGET_HAS_H
+
+/* MOVN/MOVZ instructions detection */
+#if (defined(__mips_isa_rev) && (__mips_isa_rev >= 1)) || \
+    defined(_MIPS_ARCH_LOONGSON2E) || defined(_MIPS_ARCH_LOONGSON2F) || \
+    defined(_MIPS_ARCH_MIPS4)
+#define use_movnz_instructions  1
+#else
+extern bool use_movnz_instructions;
+#endif
+
+/* MIPS32 instruction set detection */
+#if defined(__mips_isa_rev) && (__mips_isa_rev >= 1)
+#define use_mips32_instructions  1
+#else
+extern bool use_mips32_instructions;
+#endif
+
+/* MIPS32R2 instruction set detection */
+#if defined(__mips_isa_rev) && (__mips_isa_rev >= 2)
+#define use_mips32r2_instructions  1
+#else
+extern bool use_mips32r2_instructions;
+#endif
+
+/* MIPS32R6 instruction set detection */
+#if defined(__mips_isa_rev) && (__mips_isa_rev >= 6)
+#define use_mips32r6_instructions  1
+#else
+#define use_mips32r6_instructions  0
+#endif
+
+/* optional instructions */
+#if TCG_TARGET_REG_BITS == 64
+#define TCG_TARGET_HAS_extr_i64_i32     1
+#define TCG_TARGET_HAS_ext32s_i64       1
+#define TCG_TARGET_HAS_ext32u_i64       1
+#endif
+
+/* optional instructions detected at runtime */
+#define TCG_TARGET_HAS_qemu_ldst_i128   0
+#define TCG_TARGET_HAS_tst              0
+
+#define TCG_TARGET_extract_valid(type, ofs, len)  use_mips32r2_instructions
+#define TCG_TARGET_deposit_valid(type, ofs, len)  use_mips32r2_instructions
+
+static inline bool
+tcg_target_sextract_valid(TCGType type, unsigned ofs, unsigned len)
+{
+    if (ofs == 0) {
+        switch (len) {
+        case 8:
+        case 16:
+            return use_mips32r2_instructions;
+        case 32:
+            return type == TCG_TYPE_I64;
+        }
+    }
+    return false;
+}
+#define TCG_TARGET_sextract_valid  tcg_target_sextract_valid
+
+#endif