#include "firm_config.h"
+#include "pmap.h"
#include "debug.h"
#include "bearch_ia32.h"
#include "ia32_nodes_attr.h"
/**
* Bitmask for the backend optimization settings.
*/
-typedef struct _ia32_optimize_t {
- unsigned incdec : 1; /**< optimize add/sub 1/-1 to inc/dec */
- unsigned doam : 1; /**< do address mode optimizations */
- unsigned placecnst : 1; /**< place constants in the blocks where they are used */
- unsigned immops : 1; /**< create operations with immediate operands */
- unsigned extbb : 1; /**< do extended basic block scheduling */
+typedef enum _ia32_optimize_t {
+ IA32_OPT_INCDEC = 1, /**< optimize add/sub 1/-1 to inc/dec */
+ IA32_OPT_DOAM = 2, /**< do address mode optimizations */
+ IA32_OPT_PLACECNST = 4, /**< place constants in the blocks where they are used */
+ IA32_OPT_IMMOPS = 8, /**< create operations with immediate operands */
+ IA32_OPT_EXTBB = 16, /**< do extended basic block scheduling */
} ia32_optimize_t;
/** architectures */
typedef enum cpu_support {
- arch_i386, /**< i386 */
- arch_i486, /**< i486 */
- arch_pentium, /**< Pentium */
- arch_pentium_pro, /**< Pentium Pro */
- arch_pentium_mmx, /**< Pentium MMX */
- arch_pentium_2, /**< Pentium II */
- arch_pentium_3, /**< Pentium III */
- arch_pentium_4, /**< Pentium IV */
- arch_pentium_m, /**< Pentium M */
- arch_core, /**< Core */
- arch_k6, /**< K6 */
- arch_athlon, /**< Athlon */
- arch_athlon_64, /**< Athlon64 */
- arch_opteron, /**< Opteron */
+ arch_i386, /**< i386 */
+ arch_i486, /**< i486 */
+ arch_pentium, /**< Pentium */
+ arch_pentium_pro, /**< Pentium Pro */
+ arch_pentium_mmx, /**< Pentium MMX */
+ arch_pentium_2, /**< Pentium II */
+ arch_pentium_3, /**< Pentium III */
+ arch_pentium_4, /**< Pentium IV */
+ arch_pentium_m, /**< Pentium M */
+ arch_core, /**< Core */
+ arch_k6, /**< K6 */
+ arch_athlon, /**< Athlon */
+ arch_athlon_64, /**< Athlon64 */
+ arch_opteron, /**< Opteron */
} cpu_support;
/** floating point support */
typedef enum fp_support {
fp_none, /**< no floating point instructions are used */
- fp_x87, /**< use x87 instructions */
- fp_sse2 /**< use SSE2 instructions */
+ fp_x87, /**< use x87 instructions */
+ fp_sse2 /**< use SSE2 instructions */
} fp_support;
typedef struct _ia32_isa_t ia32_isa_t;
ir_graph *irg; /**< current irg */
const arch_env_t *arch_env; /**< the arch env */
set *reg_set; /**< set to memorize registers for non-ia32 nodes (e.g. phi nodes) */
- int emit_decls; /**< flag indicating if decls were already emitted */
ia32_isa_t *isa; /**< for fast access to the isa object */
const be_irg_t *birg; /**< The be-irg (contains additional information about the irg) */
ir_node **blk_sched; /**< an array containing the scheduled blocks */
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 */
int arch; /**< instruction architecture */
int opt_arch; /**< optimize for architecture */
int fp_kind; /**< floating point kind */
* IA32 ISA object
*/
struct _ia32_isa_t {
- const arch_isa_if_t *impl;
- const arch_register_t *sp; /**< The stack pointer register. */
- const arch_register_t *bp; /**< The base pointer register. */
- const int stack_dir; /**< -1 for decreasing, 1 for increasing. */
- int num_codegens; /**< The number of code generator objects created so far */
+ arch_isa_t arch_isa; /**< must be derived from arch_isa_t */
pmap *regs_16bit; /**< Contains the 16bits names of the gp registers */
pmap *regs_8bit; /**< Contains the 8bits names of the gp registers */
pmap *types; /**< A map of modes to primitive types */
pmap *tv_ent; /**< A map of entities that store const tarvals */
+ ia32_optimize_t opt; /**< contains optimization information */
int arch; /**< instruction architecture */
int opt_arch; /**< optimize for architecture */
int fp_kind; /**< floating point kind */
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