#include "set.h"
#include "../be.h"
+#ifdef NDEBUG
+#define SET_IA32_ORIG_NODE(n, o)
+#else
+#define SET_IA32_ORIG_NODE(n, o) set_ia32_orig_node(n, o);
+#endif /* NDEBUG */
+
/* some typedefs */
+/**
+ * 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 immediates */
+ unsigned extbb : 1; /**< do extended basic block scheduling */
} ia32_optimize_t;
+/** floating point support */
+typedef enum fp_support {
+ fp_x87, /**< use x87 instructions */
+ fp_sse2 /**< use SSE2 instructions */
+} fp_support;
+
+/**
+ * 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) */
- firm_dbg_module_t *mod; /**< debugging module */
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 */
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 */
+ char fp_kind; /**< floating point kind */
+ char used_x87; /**< x87 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;
+ 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 */
+ pmap *regs_16bit; /**< Contains the 16bits names of the gp registers */
+ pmap *regs_8bit; /**< Contains the 8bits names of the gp registers */
+ char fp_kind; /**< floating point kind */
#ifndef NDEBUG
struct obstack *name_obst; /**< holds the original node names (for debugging) */
unsigned long name_obst_size;
/* this is a struct to minimize the number of parameters
for transformation walker */
typedef struct _ia32_transform_env_t {
- firm_dbg_module_t *mod; /**< The firm debugger */
dbg_info *dbg; /**< The node debug info */
ir_graph *irg; /**< The irg, the node should be created in */
ir_node *block; /**< The block, the node should belong to */
ir_node *irn; /**< The irn, to be transformed */
ir_mode *mode; /**< The mode of the irn */
ia32_code_gen_t *cg; /**< The code generator */
+ DEBUG_ONLY(firm_dbg_module_t *mod;) /**< The firm debugger */
} ia32_transform_env_t;
/**