X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=include%2Flibfirm%2Flowering.h;h=007bfc2fe8b3cae3d90c011ae9291ff842946940;hb=0deebf402cdaf234b12a9e3f38f5667719a9cd76;hp=0b8faf125006562a67412e8805c8504a81ee1cd3;hpb=05064375fa8162148916e007a4695cf6db5e7c8c;p=libfirm diff --git a/include/libfirm/lowering.h b/include/libfirm/lowering.h index 0b8faf125..007bfc2fe 100644 --- a/include/libfirm/lowering.h +++ b/include/libfirm/lowering.h @@ -31,20 +31,20 @@ * A type telling where to add hidden parameters. */ typedef enum add_hidden_params { - ADD_HIDDEN_ALWAYS_IN_FRONT = 0, /**< always add hidden parameters in front (default). */ - ADD_HIDDEN_ALWAYS_LAST = 1, /**< always add hidden parameters last, did not work for variadic functions. */ - ADD_HIDDEN_SMART = 2 /**< add hidden parameters last for non-variadic and first for variadic functions. */ + ADD_HIDDEN_ALWAYS_IN_FRONT = 0, /**< always add hidden parameters in front (default). */ + ADD_HIDDEN_ALWAYS_LAST = 1, /**< always add hidden parameters last, did not work for variadic functions. */ + ADD_HIDDEN_SMART = 2 /**< add hidden parameters last for non-variadic and first for variadic functions. */ } add_hidden; /** * Additional flags for the lowering. */ enum lowering_flags { - LF_NONE = 0, /**< no additional flags */ - LF_COMPOUND_PARAM = 1, /**< lower calls with compound parameters */ - LF_COMPOUND_RETURN = 2, /**< lower calls with compound returns */ - LF_RETURN_HIDDEN = 4, /**< return the hidden address instead of void */ - LF_SMALL_CMP_IN_REGS = 8 /**< return small compound values in registers */ + LF_NONE = 0, /**< no additional flags */ + LF_COMPOUND_PARAM = 1, /**< lower calls with compound parameters */ + LF_COMPOUND_RETURN = 2, /**< lower calls with compound returns */ + LF_RETURN_HIDDEN = 4, /**< return the hidden address instead of void */ + LF_SMALL_CMP_IN_REGS = 8 /**< return small compound values in registers */ }; /** Maximum number of registers that can be used to return compound values. */ @@ -55,23 +55,23 @@ enum lowering_flags { * lower_compound_ret_calls(). */ typedef struct { - int def_ptr_alignment; /**< Default alignment for data pointer. */ - unsigned flags; /**< A bitmask of enum lowering_flags. */ - add_hidden hidden_params; /**< Where to add hidden parameters. */ - - /** - * A function returning a pointer type for a given type. - * If this pointer is NULL, a new pointer type is always created. - */ - ir_type *(*find_pointer_type)(ir_type *e_type, ir_mode *mode, int alignment); - - /** - * If the LF_SMALL_CMP_IN_REGS flag is set, this function will be called - * to decide, whether a compound value should be returned in registers. - * This function must return the number of used registers and fill in the modes - * of the registers to use. Up to MAX_REGISTER_RET_VAL registers can be used. - */ - int (*ret_compound_in_regs)(ir_type *compound_tp, ir_mode **modes); + int def_ptr_alignment; /**< Default alignment for data pointer. */ + unsigned flags; /**< A bitmask of enum lowering_flags. */ + add_hidden hidden_params; /**< Where to add hidden parameters. */ + + /** + * A function returning a pointer type for a given type. + * If this pointer is NULL, a new pointer type is always created. + */ + ir_type *(*find_pointer_type)(ir_type *e_type, ir_mode *mode, int alignment); + + /** + * If the LF_SMALL_CMP_IN_REGS flag is set, this function will be called + * to decide, whether a compound value should be returned in registers. + * This function must return the number of used registers and fill in the modes + * of the registers to use. Up to MAX_REGISTER_RET_VAL registers can be used. + */ + int (*ret_compound_in_regs)(ir_type *compound_tp, ir_mode **modes); } lower_params_t; /** @@ -188,13 +188,22 @@ ir_entity *def_create_intrinsic_fkt(ir_type *method, const ir_op *op, /** * Replaces SymConsts by a real constant if possible. * Replace Sel nodes by address computation. Also resolves array access. - * Handle Bitfields by added And/Or calculations. + * Handle bit fields by added And/Or calculations. * * @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(void); +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; + /* wether direct Cond -> Cmps should also be lowered */ + int lower_direct_cmp; +} lower_mode_b_config_t; + /** * Lowers mode_b operations to integer arithmetic. After the lowering the only * operations with mode_b are the Projs of Cmps; the only nodes with mode_b @@ -202,11 +211,10 @@ void lower_highlevel(void); * * Example: Psi(a < 0, 1, 0) => a >> 31 * - * @param irg the firm graph to lower - * @param mode the mode of the lowered operations - * @param lower_direct_cmp if set to 1, psi nodes with only have cmp/=0 as input + * @param irg the firm graph to lower + * @param config configuration for mode_b lowerer */ -void ir_lower_mode_b(ir_graph *irg, ir_mode *mode, int lower_direct_cmp); +void ir_lower_mode_b(ir_graph *irg, const lower_mode_b_config_t *config); /** * An intrinsic mapper function. @@ -261,20 +269,125 @@ typedef union _i_record { * * current_ir_graph is always set. * - * @param list an array of intrinsic map records - * @param length the length of the array + * @param list an array of intrinsic map records + * @param length the length of the array + * @param part_block_used set to true if part_block() must be using during lowering * * @return number of found intrinsics. */ -unsigned lower_intrinsics(i_record *list, int length); +unsigned lower_intrinsics(i_record *list, int length, int part_block_used); /** - * A mapper for the integer absolute value: inttype abs(inttype v). + * A mapper for the integer/float absolute value: type abs(type v). * Replaces the call by a Abs node. * * @return always 1 */ -int i_mapper_Abs(ir_node *call, void *ctx); +int i_mapper_abs(ir_node *call, void *ctx); + +/** + * A mapper for the floating point sqrt(v): floattype sqrt(floattype v); + * + * @return 0 if the sqrt call was removed, 0 else. + */ +int i_mapper_sqrt(ir_node *call, void *ctx); + +/** + * A mapper for the floating point pow(a, b): floattype pow(floattype a, floattype b); + * + * @return 0 if the pow call was removed, 0 else. + */ +int i_mapper_pow(ir_node *call, void *ctx); + +/** + * A mapper for the floating point exp(a): floattype exp(floattype a); + * + * @return 0 if the exp call was removed, 0 else. + */ +int i_mapper_exp(ir_node *call, void *ctx); + +#define i_mapper_exp2 i_mapper_exp +#define i_mapper_exp10 i_mapper_exp + +/** + * A mapper for the floating point log(a): floattype log(floattype a); + * + * @return 0 if the log call was removed, 0 else. + */ +int i_mapper_log(ir_node *call, void *ctx); + +#define i_mapper_log2 i_mapper_log +#define i_mapper_log10 i_mapper_log + +/** + * A mapper for the floating point sin(a): floattype sin(floattype a); + * + * @return 0 if the sin call was removed, 0 else. + */ +int i_mapper_sin(ir_node *call, void *ctx); + +/** + * A mapper for the floating point sin(a): floattype cos(floattype a); + * + * @return 0 if the cos call was removed, 0 else. + */ +int i_mapper_cos(ir_node *call, void *ctx); + +/** + * A mapper for the floating point tan(a): floattype tan(floattype a); + * + * @return 0 if the tan call was removed, 0 else. + */ +int i_mapper_tan(ir_node *call, void *ctx); + +/** + * A mapper for the floating point asin(a): floattype asin(floattype a); + * + * @return 0 if the asin call was removed, 0 else. + */ +int i_mapper_asin(ir_node *call, void *ctx); + +/** + * A mapper for the floating point acos(a): floattype acos(floattype a); + * + * @return 0 if the tan call was removed, 0 else. + */ +int i_mapper_acos(ir_node *call, void *ctx); + +/** + * A mapper for the floating point atan(a): floattype atan(floattype a); + * + * @return 0 if the atan call was removed, 0 else. + */ +int i_mapper_atan(ir_node *call, void *ctx); + +/** + * A mapper for the strcmp-Function: inttype strcmp(char pointer a, char pointer b); + * + * @return 0 if the strcmp call was removed, 0 else. + */ +int i_mapper_strcmp(ir_node *call, void *ctx); + +/** + * A mapper for the strcmp-Function: inttype strncmp(char pointer a, char pointer b, inttype len); + * + * @return 0 if the strncmp call was removed, 0 else. + */ +int i_mapper_strncmp(ir_node *call, void *ctx); + +/** + * A mapper for the memcpy-Function: void pointer memcpy(void pointer d, void pointer s, inttype c); + * + * @return 0 if the memcpy call was removed, 0 else. + */ +int i_mapper_memcpy(ir_node *call, void *ctx); + +/** + * A mapper for the memset-Function: void pointer memset(void pointer d, inttype C, inttype len); + * + * @return 0 if the memset call was removed, 0 else. + */ +int i_mapper_memset(ir_node *call, void *ctx); /** * A mapper for the alloca() function: pointer alloca(inttype size) @@ -282,7 +395,7 @@ int i_mapper_Abs(ir_node *call, void *ctx); * * @return always 1 */ -int i_mapper_Alloca(ir_node *call, void *ctx); +int i_mapper_alloca(ir_node *call, void *ctx); /** * A runtime routine description.