+/*
+ * Assembler opcode byteswap helpers.
+ * These are only intended for use by this header: don't use them directly,
+ * because they will be suboptimal in most cases.
+ */
+#define ___asm_opcode_swab32(x) ( \
+ (((x) << 24) & 0xFF000000) \
+ | (((x) << 8) & 0x00FF0000) \
+ | (((x) >> 8) & 0x0000FF00) \
+ | (((x) >> 24) & 0x000000FF) \
+)
+#define ___asm_opcode_swab16(x) ( \
+ (((x) << 8) & 0xFF00) \
+ | (((x) >> 8) & 0x00FF) \
+)
+#define ___asm_opcode_swahb32(x) ( \
+ (((x) << 8) & 0xFF00FF00) \
+ | (((x) >> 8) & 0x00FF00FF) \
+)
+#define ___asm_opcode_swahw32(x) ( \
+ (((x) << 16) & 0xFFFF0000) \
+ | (((x) >> 16) & 0x0000FFFF) \
+)
+#define ___asm_opcode_identity32(x) ((x) & 0xFFFFFFFF)
+#define ___asm_opcode_identity16(x) ((x) & 0xFFFF)
+
+