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_LEA = 4, /**< optimize address calculations 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 */
/** Returns non-zero if the current floating point architecture is x87. */
#define USE_x87(cg) ((cg)->fp_kind == fp_x87)
+/** Sets the flag to enforce x87 simulation. */
+#define FORCE_x87(cg) ((cg)->force_sim = 1)
+
typedef struct _ia32_isa_t ia32_isa_t;
/**
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 */
+ 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_fp; /**< which floating point unit used in this graph */
+ int arch; /**< instruction architecture */
+ int opt_arch; /**< optimize for architecture */
+ char fp_kind; /**< floating point kind */
+ char used_fp; /**< which floating point unit used in this graph */
+ char force_sim; /**< set to 1 if x87 simulation should be enforced */
DEBUG_ONLY(firm_dbg_module_t *mod;) /**< debugging module */
} ia32_code_gen_t;
* IA32 ISA object
*/
struct _ia32_isa_t {
- arch_isa_t arch_isa; /**< must be derived from arch_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_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;
+ unsigned long name_obst_size;
#endif /* NDEBUG */
};
DEBUG_ONLY(firm_dbg_module_t *mod;) /**< The firm debugger */
} ia32_transform_env_t;
+typedef struct _ia32_intrinsic_env_t {
+ entity *ll_div_op1; /**< entity for first div operand (move into FPU) */
+ entity *ll_div_op2; /**< entity for second div operand (move into FPU) */
+ entity *ll_d_conv; /**< entity for converts ll -> d */
+ entity *d_ll_conv; /**< entity for converts d -> ll */
+} ia32_intrinsic_env_t;
+
/**
* Returns the unique per irg GP NoReg node.
*/