ia32_optimize_t opt; /**< contains optimization information */
entity *fp_to_gp; /**< allocated entity for fp to gp conversion */
entity *gp_to_fp; /**< allocated entity for gp to fp conversion */
+ nodeset *kill_conv; /**< Remember all convs to be killed */
int arch; /**< instruction architecture */
int opt_arch; /**< optimize for architecture */
char fp_kind; /**< floating point kind */