1 #ifndef _BEARCH_IA32_T_H_
2 #define _BEARCH_IA32_T_H_
4 #include "firm_config.h"
8 #include "bearch_ia32.h"
9 #include "ia32_nodes_attr.h"
14 #define SET_IA32_ORIG_NODE(n, o)
16 #define SET_IA32_ORIG_NODE(n, o) set_ia32_orig_node(n, o);
22 * Bitmask for the backend optimization settings.
24 typedef struct _ia32_optimize_t {
25 unsigned incdec : 1; /**< optimize add/sub 1/-1 to inc/dec */
26 unsigned doam : 1; /**< do address mode optimizations */
27 unsigned placecnst : 1; /**< place constants in the blocks where they are used */
28 unsigned immops : 1; /**< create operations with immediate operands */
29 unsigned extbb : 1; /**< do extended basic block scheduling */
33 typedef enum cpu_support {
34 arch_i386, /**< i386 */
35 arch_i486, /**< i486 */
36 arch_pentium, /**< Pentium */
37 arch_pentium_pro, /**< Pentium Pro */
38 arch_pentium_mmx, /**< Pentium MMX */
39 arch_pentium_2, /**< Pentium II */
40 arch_pentium_3, /**< Pentium III */
41 arch_pentium_4, /**< Pentium IV */
42 arch_pentium_m, /**< Pentium M */
43 arch_core, /**< Core */
45 arch_athlon, /**< Athlon */
46 arch_athlon_64, /**< Athlon64 */
47 arch_opteron, /**< Opteron */
50 /** floating point support */
51 typedef enum fp_support {
52 fp_none, /**< no floating point instructions are used */
53 fp_x87, /**< use x87 instructions */
54 fp_sse2 /**< use SSE2 instructions */
57 typedef struct _ia32_isa_t ia32_isa_t;
62 typedef struct _ia32_code_gen_t {
63 const arch_code_generator_if_t *impl; /**< implementation */
64 ir_graph *irg; /**< current irg */
65 const arch_env_t *arch_env; /**< the arch env */
66 set *reg_set; /**< set to memorize registers for non-ia32 nodes (e.g. phi nodes) */
67 int emit_decls; /**< flag indicating if decls were already emitted */
68 ia32_isa_t *isa; /**< for fast access to the isa object */
69 const be_irg_t *birg; /**< The be-irg (contains additional information about the irg) */
70 ir_node **blk_sched; /**< an array containing the scheduled blocks */
71 ia32_optimize_t opt; /**< contains optimization information */
72 entity *fp_to_gp; /**< allocated entity for fp to gp conversion */
73 entity *gp_to_fp; /**< allocated entity for gp to fp conversion */
74 int arch; /**< instruction architecture */
75 int opt_arch; /**< optimize for architecture */
76 int fp_kind; /**< floating point kind */
77 char used_fp; /**< which floating point unit used in this graph */
78 DEBUG_ONLY(firm_dbg_module_t *mod;) /**< debugging module */
85 const arch_isa_if_t *impl;
86 const arch_register_t *sp; /**< The stack pointer register. */
87 const arch_register_t *bp; /**< The base pointer register. */
88 const int stack_dir; /**< -1 for decreasing, 1 for increasing. */
89 int num_codegens; /**< The number of code generator objects created so far */
90 pmap *regs_16bit; /**< Contains the 16bits names of the gp registers */
91 pmap *regs_8bit; /**< Contains the 8bits names of the gp registers */
92 pmap *types; /**< A map of modes to primitive types */
93 pmap *tv_ent; /**< A map of entities that store const tarvals */
94 int arch; /**< instruction architecture */
95 int opt_arch; /**< optimize for architecture */
96 int fp_kind; /**< floating point kind */
97 ia32_code_gen_t *cg; /**< the current code generator */
98 FILE *out; /**< output file */
100 struct obstack *name_obst; /**< holds the original node names (for debugging) */
101 unsigned long name_obst_size;
105 typedef struct _ia32_irn_ops_t {
106 const arch_irn_ops_if_t *impl;
110 /* this is a struct to minimize the number of parameters
111 for transformation walker */
112 typedef struct _ia32_transform_env_t {
113 dbg_info *dbg; /**< The node debug info */
114 ir_graph *irg; /**< The irg, the node should be created in */
115 ir_node *block; /**< The block, the node should belong to */
116 ir_node *irn; /**< The irn, to be transformed */
117 ir_mode *mode; /**< The mode of the irn */
118 ia32_code_gen_t *cg; /**< The code generator */
119 DEBUG_ONLY(firm_dbg_module_t *mod;) /**< The firm debugger */
120 } ia32_transform_env_t;
123 * Creates the unique per irg GP NoReg node.
125 ir_node *ia32_new_NoReg_gp(ia32_code_gen_t *cg);
128 * Creates the unique per irg FP NoReg node.
130 ir_node *ia32_new_NoReg_fp(ia32_code_gen_t *cg);
132 #endif /* _BEARCH_IA32_T_H_ */