#ifndef _BEARCH_IA32_T_H_
#define _BEARCH_IA32_T_H_
+#include "firm_config.h"
+
#include "debug.h"
#include "bearch_ia32.h"
#include "ia32_nodes_attr.h"
+#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 */
- int has_alloca; /**< indicates whether the irg contains an alloca or not */
- const ia32_register_req_t **reg_param_req; /**< hold the requirements for the reg param nodes */
pmap *types; /**< A map of modes to primitive types */
pmap *tv_ent; /**< A map of entities that store tarvals */
- ir_node *noreg_gp; /**< Holds the unique per irg GP NoReg node */
- ir_node *noreg_fp; /**< Holds the unique per irg FP NoReg node */
+ 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;
+#endif /* NDEBUG */
} ia32_isa_t;
typedef struct _ia32_irn_ops_t {
/* this is a struct to minimize the number of parameters
for transformation walker */
typedef struct _ia32_transform_env_t {
- const arch_env_t *arch_env; /**< The arch_env */
- 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;
/**