* @return A flexible array ARR_F containing all desired irgs in the desired order.
*/
ir_graph **(*get_backend_irg_list)(const void *self, ir_graph ***irgs);
+
+ /**
+ * parse an assembler constraint part and set flags according to its nature
+ * advances the *c pointer to point to the last parsed character (so if you
+ * parse a single character don't advance c)
+ */
+ asm_constraint_flags_t (*parse_asm_constraint)(const void *self, const char **c);
+
+ /**
+ * returns true if the string is a valid clobbered (register) in this
+ * backend
+ */
+ int (*is_valid_clobber)(const void *self, const char *clobber);
};
#define arch_env_done(env) ((env)->impl->done(env))
#define arch_env_get_allowed_execution_units(env,irn) ((env)->impl->get_allowed_execution_units((env), (irn)))
#define arch_env_get_machine(env) ((env)->impl->get_machine(env))
#define arch_env_get_backend_irg_list(env,irgs) ((env)->impl->get_backend_irg_list((env), (irgs)))
+#define arch_env_parse_asm_constraint(env,c) ((env)->impl->parse_asm_constraint((env), (c))
+#define arch_env_is_valid_clobber(env,clobber) ((env)->impl->is_valid_clobber((env), (clobber))
/**
* ISA base class.