X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=include%2Flibfirm%2Flowering.h;h=149a6c764174c94f356b858f39bae60d20233883;hb=1de3ff1c7f4478924c6348f774608e60b962d055;hp=ed79523dcacde8784f29439edaa3eea6c55ebab7;hpb=12ad4306b9e51ff630e24a01f363fd141368c33c;p=libfirm diff --git a/include/libfirm/lowering.h b/include/libfirm/lowering.h index ed79523dc..149a6c764 100644 --- a/include/libfirm/lowering.h +++ b/include/libfirm/lowering.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved. + * Copyright (C) 1995-2011 University of Karlsruhe. All right reserved. * * This file is part of libFirm. * @@ -26,7 +26,12 @@ #ifndef FIRM_LOWERING_H #define FIRM_LOWERING_H +#include + #include "firm_types.h" + +#include "begin.h" + /** * A type telling where to add hidden parameters. */ @@ -142,12 +147,13 @@ typedef struct { * If params->find_pointer_type is NULL, new pointer types * are always created automatically. */ -void lower_calls_with_compounds(const lower_params_t *params); +FIRM_API void lower_calls_with_compounds(const lower_params_t *params); /** - * * Lower CopyB nodes of size smaller that max_size into Loads/Stores + * Lower CopyB nodes of size smaller that max_size into Loads/Stores */ -void lower_CopyB(ir_graph *irg, unsigned max_size, unsigned native_mode_bytes); +FIRM_API void lower_CopyB(ir_graph *irg, unsigned max_size, + unsigned native_mode_bytes); /** * Lowers all Switches (Cond nodes with non-boolean mode) depending on spare_size. @@ -156,72 +162,12 @@ void lower_CopyB(ir_graph *irg, unsigned max_size, unsigned native_mode_bytes); * @param irg The ir graph to be lowered. * @param spare_size Allowed spare size for table switches in machine words. * (Default in edgfe: 128) + * @param allow_out_of_bounds backend can handle out-of-bounds values + * (values bigger than minimum and maximum proj + * number) */ -void lower_switch(ir_graph *irg, unsigned spare_size); - -/** - * Creates an ir_graph pass for lower_switch(). - * - * @param name the name of this pass or NULL - * @param spare_size Allowed spare size for table switches in machine words. - * (Default in edgfe: 128) - * - * @return the newly created ir_graph pass - */ -ir_graph_pass_t *lower_switch_pass(const char *name, unsigned spare_size); - -/** - * A callback type for creating an intrinsic entity for a given opcode. - * - * @param method the method type of the emulation function entity - * @param op the emulated ir_op - * @param imode the input mode of the emulated opcode - * @param omode the output mode of the emulated opcode - * @param context the context parameter - */ -typedef ir_entity *(create_intrinsic_fkt)(ir_type *method, const ir_op *op, - const ir_mode *imode, const ir_mode *omode, - void *context); - -/** - * The lowering parameter description. - */ -typedef struct _lwrdw_param_t { - int enable; /**< if true lowering is enabled */ - int little_endian; /**< if true should be lowered for little endian, else big endian */ - ir_mode *high_signed; /**< the double word signed mode to be lowered, typically Ls */ - ir_mode *high_unsigned; /**< the double word unsigned mode to be lowered, typically Lu */ - ir_mode *low_signed; /**< the word signed mode to be used, typically Is */ - ir_mode *low_unsigned; /**< the word unsigned mode to be used, typically Iu */ - - /** callback that creates the intrinsic entity */ - create_intrinsic_fkt *create_intrinsic; - void *ctx; /**< context parameter for the creator function */ -} lwrdw_param_t; - -/** - * Lower all double word operations. - * - * @param param parameter for lowering - */ -void lower_dw_ops(const lwrdw_param_t *param); - -/** - * Creates an ir_prog pass for lower_dw_ops(). - * - * @param name the name of this pass or NULL - * @param param parameter for lowering - * - * @return the newly created ir_prog pass - */ -ir_prog_pass_t *lower_dw_ops_pass(const char *name, const lwrdw_param_t *param); - -/** - * Default implementation. Context is unused. - */ -ir_entity *def_create_intrinsic_fkt(ir_type *method, const ir_op *op, - const ir_mode *imode, const ir_mode *omode, - void *context); +FIRM_API void lower_switch(ir_graph *irg, unsigned spare_size, + int allow_out_of_bounds); /** * Replaces SymConsts by a real constant if possible. @@ -235,7 +181,7 @@ ir_entity *def_create_intrinsic_fkt(ir_type *method, const ir_op *op, * @note: There is NO lowering ob objects oriented types. This is highly compiler * and ABI specific and should be placed directly in the compiler. */ -void lower_highlevel_graph(ir_graph *irg, int lower_bitfields); +FIRM_API void lower_highlevel_graph(ir_graph *irg, int lower_bitfields); /** * Creates an ir_graph pass for lower_highlevel_graph(). @@ -246,7 +192,8 @@ void lower_highlevel_graph(ir_graph *irg, int lower_bitfields); * * @return the newly created ir_graph pass */ -ir_graph_pass_t *lower_highlevel_graph_pass(const char *name, int lower_bitfields); +FIRM_API ir_graph_pass_t *lower_highlevel_graph_pass(const char *name, + int lower_bitfields); /** * Replaces SymConsts by a real constant if possible. @@ -257,12 +204,12 @@ ir_graph_pass_t *lower_highlevel_graph_pass(const char *name, int lower_bitfield * @note There is NO lowering of objects oriented types. This is highly compiler * and ABI specific and should be placed directly in the compiler. */ -void lower_highlevel(int lower_bitfields); +FIRM_API void lower_highlevel(int lower_bitfields); /** * does the same as lower_highlevel for all nodes on the const code irg */ -void lower_const_code(void); +FIRM_API void lower_const_code(void); /** * Creates an ir_prog pass for lower_const_code(). @@ -271,14 +218,34 @@ void lower_const_code(void); * * @return the newly created ir_prog pass */ -ir_prog_pass_t *lower_const_code_pass(const char *name); +FIRM_API ir_prog_pass_t *lower_const_code_pass(const char *name); + +/** + * Function which creates a "set" instraction. A "set" instruction takes a + * condition value (a value with mode_b) as input and produces a value in a + * general purpose integer mode. + * Most architectures have special intrinsics for this. But if all else fails + * you can just produces the an if-like construct. + */ +typedef ir_node* (*create_set_func)(ir_node *cond); + +/** + * implementation of create_set_func which produces a Mux node with 0/1 input + */ +ir_node *ir_create_mux_set(ir_node *cond, ir_mode *dest_mode); + +/** + * implementation of create_set_func which produces a cond with control + * flow + */ +ir_node *ir_create_cond_set(ir_node *cond, ir_mode *dest_mode); typedef struct lower_mode_b_config_t { /* mode that is used to transport 0/1 values */ ir_mode *lowered_mode; - /* preferred mode for the "set" operations (a psi that produces a 0 or 1) */ - ir_mode *lowered_set_mode; - /* whether direct Cond -> Cmps should also be lowered */ + /* callback for creating set-like instructions */ + create_set_func create_set; + /* whether direct Cond(Cmp) should also be lowered */ int lower_direct_cmp; } lower_mode_b_config_t; @@ -292,18 +259,40 @@ typedef struct lower_mode_b_config_t { * @param irg the firm graph to lower * @param config configuration for mode_b lowerer */ -void ir_lower_mode_b(ir_graph *irg, const lower_mode_b_config_t *config); +FIRM_API void ir_lower_mode_b(ir_graph *irg, + const lower_mode_b_config_t *config); + +/** + * Used as callback, whenever a lowerable mux is found. The return value + * indicates, whether the mux should be lowered. This may be used, to lower + * floating point muxes, while keeping mux nodes for integers, for example. + * + * @param mux The mux node that may be lowered. + * @return A non-zero value indicates that the mux should be lowered. + */ +typedef int lower_mux_callback(ir_node* mux); /** - * Creates an ir_graph pass for ir_lower_mode_b(). + * Lowers all mux nodes in the given graph. A callback function may be + * given, to select the mux nodes to lower. + * + * @param irg The graph to lower mux nodes in. + * @param cb_func The callback function for mux selection. Can be NULL, + * to lower all mux nodes. + */ +FIRM_API void lower_mux(ir_graph *irg, lower_mux_callback *cb_func); + +/** + * Creates an ir_graph pass for lower_mux(). * * @param name the name of this pass or NULL - * @param config configuration for mode_b lowerer + * @param cb_func The callback function for mux selection. Can be NULL, + * to lower all mux nodes. * * @return the newly created ir_graph pass */ -ir_graph_pass_t *ir_lower_mode_b_pass( - const char *name, const lower_mode_b_config_t *config); +FIRM_API ir_graph_pass_t *lower_mux_pass(const char *name, + lower_mux_callback *cb_func); /** * An intrinsic mapper function. @@ -323,7 +312,7 @@ enum ikind { /** * An intrinsic call record. */ -typedef struct _i_call_record { +typedef struct i_call_record { enum ikind kind; /**< must be INTRINSIC_CALL */ ir_entity *i_ent; /**< the entity representing an intrinsic call */ i_mapper_func i_mapper; /**< the mapper function to call */ @@ -334,7 +323,7 @@ typedef struct _i_call_record { /** * An intrinsic instruction record. */ -typedef struct _i_instr_record { +typedef struct i_instr_record { enum ikind kind; /**< must be INTRINSIC_INSTR */ ir_op *op; /**< the opcode that must be mapped. */ i_mapper_func i_mapper; /**< the mapper function to call */ @@ -345,7 +334,7 @@ typedef struct _i_instr_record { /** * An intrinsic record. */ -typedef union _i_record { +typedef union i_record { i_call_record i_call; i_instr_record i_instr; } i_record; @@ -364,7 +353,8 @@ typedef union _i_record { * * @return number of found intrinsics. */ -unsigned lower_intrinsics(i_record *list, int length, int part_block_used); +FIRM_API size_t lower_intrinsics(i_record *list, size_t length, + int part_block_used); /** * Creates an irprog pass for lower_intrinsics. @@ -374,9 +364,8 @@ unsigned lower_intrinsics(i_record *list, int length, int part_block_used); * @param length the length of the array * @param part_block_used set to true if part_block() must be using during lowering */ -ir_prog_pass_t *lower_intrinsics_pass( - const char *name, - i_record *list, int length, int part_block_used); +FIRM_API ir_prog_pass_t *lower_intrinsics_pass(const char *name, i_record *list, + size_t length, int part_block_used); /** * A mapper for the integer/float absolute value: type abs(type v). @@ -384,7 +373,7 @@ ir_prog_pass_t *lower_intrinsics_pass( * * @return always 1 */ -int i_mapper_abs(ir_node *call, void *ctx); +FIRM_API int i_mapper_abs(ir_node *call, void *ctx); /** * A mapper for the integer byte swap value: type bswap(type v). @@ -392,35 +381,35 @@ int i_mapper_abs(ir_node *call, void *ctx); * * @return always 1 */ -int i_mapper_bswap(ir_node *call, void *ctx); +FIRM_API int i_mapper_bswap(ir_node *call, void *ctx); /** * A mapper for the floating point sqrt(v): floattype sqrt(floattype v); * * @return 1 if the sqrt call was removed, 0 else. */ -int i_mapper_sqrt(ir_node *call, void *ctx); +FIRM_API int i_mapper_sqrt(ir_node *call, void *ctx); /** * A mapper for the floating point cbrt(v): floattype sqrt(floattype v); * * @return 1 if the cbrt call was removed, 0 else. */ -int i_mapper_cbrt(ir_node *call, void *ctx); +FIRM_API int i_mapper_cbrt(ir_node *call, void *ctx); /** * A mapper for the floating point pow(a, b): floattype pow(floattype a, floattype b); * * @return 1 if the pow call was removed, 0 else. */ -int i_mapper_pow(ir_node *call, void *ctx); +FIRM_API int i_mapper_pow(ir_node *call, void *ctx); /** * A mapper for the floating point exp(a): floattype exp(floattype a); * * @return 1 if the exp call was removed, 0 else. */ -int i_mapper_exp(ir_node *call, void *ctx); +FIRM_API int i_mapper_exp(ir_node *call, void *ctx); #define i_mapper_exp2 i_mapper_exp #define i_mapper_exp10 i_mapper_exp @@ -430,7 +419,7 @@ int i_mapper_exp(ir_node *call, void *ctx); * * @return 1 if the log call was removed, 0 else. */ -int i_mapper_log(ir_node *call, void *ctx); +FIRM_API int i_mapper_log(ir_node *call, void *ctx); #define i_mapper_log2 i_mapper_log #define i_mapper_log10 i_mapper_log @@ -440,126 +429,126 @@ int i_mapper_log(ir_node *call, void *ctx); * * @return 1 if the sin call was removed, 0 else. */ -int i_mapper_sin(ir_node *call, void *ctx); +FIRM_API int i_mapper_sin(ir_node *call, void *ctx); /** * A mapper for the floating point sin(a): floattype cos(floattype a); * * @return 1 if the cos call was removed, 0 else. */ -int i_mapper_cos(ir_node *call, void *ctx); +FIRM_API int i_mapper_cos(ir_node *call, void *ctx); /** * A mapper for the floating point tan(a): floattype tan(floattype a); * * @return 1 if the tan call was removed, 0 else. */ -int i_mapper_tan(ir_node *call, void *ctx); +FIRM_API int i_mapper_tan(ir_node *call, void *ctx); /** * A mapper for the floating point asin(a): floattype asin(floattype a); * * @return 1 if the asin call was removed, 0 else. */ -int i_mapper_asin(ir_node *call, void *ctx); +FIRM_API int i_mapper_asin(ir_node *call, void *ctx); /** * A mapper for the floating point acos(a): floattype acos(floattype a); * * @return 1 if the tan call was removed, 0 else. */ -int i_mapper_acos(ir_node *call, void *ctx); +FIRM_API int i_mapper_acos(ir_node *call, void *ctx); /** * A mapper for the floating point atan(a): floattype atan(floattype a); * * @return 1 if the atan call was removed, 0 else. */ -int i_mapper_atan(ir_node *call, void *ctx); +FIRM_API int i_mapper_atan(ir_node *call, void *ctx); /** * A mapper for the floating point sinh(a): floattype sinh(floattype a); * * @return 1 if the sinh call was removed, 0 else. */ -int i_mapper_sinh(ir_node *call, void *ctx); +FIRM_API int i_mapper_sinh(ir_node *call, void *ctx); /** * A mapper for the floating point cosh(a): floattype cosh(floattype a); * * @return 1 if the cosh call was removed, 0 else. */ -int i_mapper_cosh(ir_node *call, void *ctx); +FIRM_API int i_mapper_cosh(ir_node *call, void *ctx); /** * A mapper for the floating point tanh(a): floattype tanh(floattype a); * * @return 1 if the tanh call was removed, 0 else. */ -int i_mapper_tanh(ir_node *call, void *ctx); +FIRM_API int i_mapper_tanh(ir_node *call, void *ctx); /** * A mapper for the strcmp-Function: inttype strcmp(char pointer a, char pointer b); * * @return 1 if the strcmp call was removed, 0 else. */ -int i_mapper_strcmp(ir_node *call, void *ctx); +FIRM_API int i_mapper_strcmp(ir_node *call, void *ctx); /** * A mapper for the strncmp-Function: inttype strncmp(char pointer a, char pointer b, inttype len); * * @return 1 if the strncmp call was removed, 0 else. */ -int i_mapper_strncmp(ir_node *call, void *ctx); +FIRM_API int i_mapper_strncmp(ir_node *call, void *ctx); /** * A mapper for the strcpy-Function: char pointer strcpy(char pointer a, char pointer b); * * @return 1 if the strcpy call was removed, 0 else. */ -int i_mapper_strcpy(ir_node *call, void *ctx); +FIRM_API int i_mapper_strcpy(ir_node *call, void *ctx); /** * A mapper for the strlen-Function: inttype strlen(char pointer a); * * @return 1 if the strlen call was removed, 0 else. */ -int i_mapper_strlen(ir_node *call, void *ctx); +FIRM_API int i_mapper_strlen(ir_node *call, void *ctx); /** * A mapper for the memcpy-Function: void pointer memcpy(void pointer d, void pointer s, inttype c); * * @return 1 if the memcpy call was removed, 0 else. */ -int i_mapper_memcpy(ir_node *call, void *ctx); +FIRM_API int i_mapper_memcpy(ir_node *call, void *ctx); /** * A mapper for the mempcpy-Function: void pointer mempcpy(void pointer d, void pointer s, inttype c); * * @return 1 if the mempcpy call was removed, 0 else. */ -int i_mapper_mempcpy(ir_node *call, void *ctx); +FIRM_API int i_mapper_mempcpy(ir_node *call, void *ctx); /** * A mapper for the memmove-Function: void pointer memmove(void pointer d, void pointer s, inttype c); * * @return 1 if the memmove call was removed, 0 else. */ -int i_mapper_memmove(ir_node *call, void *ctx); +FIRM_API int i_mapper_memmove(ir_node *call, void *ctx); /** * A mapper for the memset-Function: void pointer memset(void pointer d, inttype C, inttype len); * * @return 1 if the memset call was removed, 0 else. */ -int i_mapper_memset(ir_node *call, void *ctx); +FIRM_API int i_mapper_memset(ir_node *call, void *ctx); /** * A mapper for the strncmp-Function: inttype memcmp(void pointer a, void pointer b, inttype len); * * @return 1 if the strncmp call was removed, 0 else. */ -int i_mapper_memcmp(ir_node *call, void *ctx); +FIRM_API int i_mapper_memcmp(ir_node *call, void *ctx); /** * A mapper for the alloca() function: pointer alloca(inttype size) @@ -567,12 +556,12 @@ int i_mapper_memcmp(ir_node *call, void *ctx); * * @return always 1 */ -int i_mapper_alloca(ir_node *call, void *ctx); +FIRM_API int i_mapper_alloca(ir_node *call, void *ctx); /** * A runtime routine description. */ -typedef struct _runtime_rt { +typedef struct runtime_rt { ir_entity *ent; /**< The entity representing the runtime routine. */ ir_mode *mode; /**< The operation mode of the mapped instruction. */ ir_mode *res_mode; /**< The result mode of the mapped instruction or NULL. */ @@ -642,6 +631,8 @@ typedef struct _runtime_rt { }; @endcode */ -int i_mapper_RuntimeCall(ir_node *node, runtime_rt *rt); +FIRM_API int i_mapper_RuntimeCall(ir_node *node, runtime_rt *rt); + +#include "end.h" -#endif /* FIRM_LOWERING_H */ +#endif