#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_LEA = 4, /**< optimize address caluclations into LEAs */
+ IA32_OPT_PLACECNST = 8, /**< place constants in the blocks where they are used */
+ IA32_OPT_IMMOPS = 16, /**< create operations with immediate operands */
+ IA32_OPT_EXTBB = 32, /**< do extended basic block scheduling */
} ia32_optimize_t;
-/** architectures */
+/**
+ * Architectures. Clustered for easier macro implementation,
+ * do not change.
+ */
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;
+/** checks for l <= x <= h */
+#define _IN_RANGE(x, l, h) ((unsigned)((x) - (l)) <= (unsigned)((h) - (l)))
+
+/** returns true if it's Intel architecture */
+#define ARCH_INTEL(x) _IN_RANGE((x), arch_i386, arch_core)
+
+/** returns true if it's AMD architecture */
+#define ARCH_AMD(x) _IN_RANGE((x), arch_k6, arch_opteron)
+
+#define IS_P6_ARCH(x) (_IN_RANGE((x), arch_pentium_pro, arch_core) || \
+ _IN_RANGE((x), arch_athlon, arch_opteron))
+
/** floating point support */
typedef enum fp_support {
- fp_x87, /**< use x87 instructions */
- fp_sse2 /**< use SSE2 instructions */
+ fp_none, /**< no floating point instructions are used */
+ fp_x87, /**< use x87 instructions */
+ fp_sse2 /**< use SSE2 instructions */
} fp_support;
+/** Sets the used flag to the current floating point architecture. */
+#define FP_USED(cg) ((cg)->used_fp = (cg)->fp_kind)
+
+/** Returns non-zero if the current floating point architecture is SSE2. */
+#define USE_SSE2(cg) ((cg)->fp_kind == fp_sse2)
+
+/** Returns non-zero if the current floating point architecture is x87. */
+#define USE_x87(cg) ((cg)->fp_kind == fp_x87)
+
+typedef struct _ia32_isa_t ia32_isa_t;
+
/**
* IA32 code generator
*/
typedef struct _ia32_code_gen_t {
const arch_code_generator_if_t *impl; /**< implementation */
ir_graph *irg; /**< current irg */
- FILE *out; /**< output file */
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 */
- pmap *types; /**< A map of modes to primitive types */
- pmap *tv_ent; /**< A map of entities that store tarvals */
+ 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 */
- char used_x87; /**< x87 floating point unit used in this graph */
+ char used_fp; /**< which floating point unit used in this graph */
DEBUG_ONLY(firm_dbg_module_t *mod;) /**< debugging module */
} ia32_code_gen_t;
-typedef 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 */
+/**
+ * IA32 ISA object
+ */
+struct _ia32_isa_t {
+ 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 */
+ ia32_code_gen_t *cg; /**< the current code generator */
+ FILE *out; /**< output file */
#ifndef NDEBUG
struct obstack *name_obst; /**< holds the original node names (for debugging) */
unsigned long name_obst_size;
#endif /* NDEBUG */
-} ia32_isa_t;
+};
typedef struct _ia32_irn_ops_t {
const arch_irn_ops_if_t *impl;
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