1 files changed, 73 insertions, 0 deletions
diff --git a/tcg/arm/tcg-target-has.h b/tcg/arm/tcg-target-has.h
new file mode 100644
index 0000000..3bbbde5
--- /dev/null
+++ b/tcg/arm/tcg-target-has.h
@@ -0,0 +1,73 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Define target-specific opcode support
+ * Copyright (c) 2008 Fabrice Bellard
+ * Copyright (c) 2008 Andrzej Zaborowski
+ */
+
+#ifndef TCG_TARGET_HAS_H
+#define TCG_TARGET_HAS_H
+
+extern int arm_arch;
+
+#define use_armv7_instructions  (__ARM_ARCH >= 7 || arm_arch >= 7)
+
+#ifdef __ARM_ARCH_EXT_IDIV__
+#define use_idiv_instructions  1
+#else
+extern bool use_idiv_instructions;
+#endif
+#ifdef __ARM_NEON__
+#define use_neon_instructions  1
+#else
+extern bool use_neon_instructions;
+#endif
+
+/* optional instructions */
+#define TCG_TARGET_HAS_qemu_ldst_i128   0
+#define TCG_TARGET_HAS_tst              1
+
+#define TCG_TARGET_HAS_v64              use_neon_instructions
+#define TCG_TARGET_HAS_v128             use_neon_instructions
+#define TCG_TARGET_HAS_v256             0
+
+#define TCG_TARGET_HAS_andc_vec         1
+#define TCG_TARGET_HAS_orc_vec          1
+#define TCG_TARGET_HAS_nand_vec         0
+#define TCG_TARGET_HAS_nor_vec          0
+#define TCG_TARGET_HAS_eqv_vec          0
+#define TCG_TARGET_HAS_not_vec          1
+#define TCG_TARGET_HAS_neg_vec          1
+#define TCG_TARGET_HAS_abs_vec          1
+#define TCG_TARGET_HAS_roti_vec         0
+#define TCG_TARGET_HAS_rots_vec         0
+#define TCG_TARGET_HAS_rotv_vec         0
+#define TCG_TARGET_HAS_shi_vec          1
+#define TCG_TARGET_HAS_shs_vec          0
+#define TCG_TARGET_HAS_shv_vec          0
+#define TCG_TARGET_HAS_mul_vec          1
+#define TCG_TARGET_HAS_sat_vec          1
+#define TCG_TARGET_HAS_minmax_vec       1
+#define TCG_TARGET_HAS_bitsel_vec       1
+#define TCG_TARGET_HAS_cmpsel_vec       0
+#define TCG_TARGET_HAS_tst_vec          1
+
+static inline bool
+tcg_target_extract_valid(TCGType type, unsigned ofs, unsigned len)
+{
+    if (use_armv7_instructions) {
+        return true;  /* SBFX or UBFX */
+    }
+    switch (len) {
+    case 8:   /* SXTB or UXTB */
+    case 16:  /* SXTH or UXTH */
+        return (ofs % 8) == 0;
+    }
+    return false;
+}
+
+#define TCG_TARGET_extract_valid   tcg_target_extract_valid
+#define TCG_TARGET_sextract_valid  tcg_target_extract_valid
+#define TCG_TARGET_deposit_valid(type, ofs, len)  use_armv7_instructions
+
+#endif