X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=include%2Flibfirm%2Flowering.h;h=3c3111f4b905d5770f28ccf87fbc86664d8d0e42;hb=429d687f06baeeb63d04750f846d39e55fb62343;hp=bc913008875fcce16d799efb1eec05fe5769a4e3;hpb=d58463663d4d51ccb3addf72cfdbd0d3279ec580;p=libfirm diff --git a/include/libfirm/lowering.h b/include/libfirm/lowering.h index bc9130088..3c3111f4b 100644 --- a/include/libfirm/lowering.h +++ b/include/libfirm/lowering.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved. + * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved. * * This file is part of libFirm. * @@ -144,6 +144,21 @@ typedef struct { */ void lower_calls_with_compounds(const lower_params_t *params); +/** + * * 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); + +/** + * Lowers all Switches (Cond nodes with non-boolean mode) depending on spare_size. + * They will either remain the same or be converted into if-cascades. + * + * @param irg The ir graph to be lowered. + * @param spare_size Allowed spare size for table switches in machine words. + * (Default in edgfe: 128) + */ +void lower_switch(ir_graph *irg, unsigned spare_size); + /** * A callback type for creating an intrinsic entity for a given opcode. * @@ -190,10 +205,37 @@ ir_entity *def_create_intrinsic_fkt(ir_type *method, const ir_op *op, * Replace Sel nodes by address computation. Also resolves array access. * Handle bit fields by added And/Or calculations. * + * @param irg the graph to lower + * + * @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); + +/** + * Replaces SymConsts by a real constant if possible. + * Replace Sel nodes by address computation. Also resolves array access. + * Handle bit fields by added And/Or calculations. + * Lowers all graphs. + * * @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); +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); + +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 @@ -202,11 +244,10 @@ 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. @@ -270,12 +311,151 @@ typedef union _i_record { 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 cbrt(v): floattype sqrt(floattype v); + * + * @return 0 if the cbrt call was removed, 0 else. + */ +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 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 floating point sinh(a): floattype sinh(floattype a); + * + * @return 0 if the sinh call was removed, 0 else. + */ +int i_mapper_sinh(ir_node *call, void *ctx); + +/** + * A mapper for the floating point cosh(a): floattype cosh(floattype a); + * + * @return 0 if the cosh call was removed, 0 else. + */ +int i_mapper_cosh(ir_node *call, void *ctx); + +/** + * A mapper for the floating point tanh(a): floattype tanh(floattype a); + * + * @return 0 if the tanh call was removed, 0 else. + */ +int i_mapper_tanh(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 strncmp-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 strlen-Function: inttype strlen(char pointer a); + * + * @return 0 if the strlen call was removed, 0 else. + */ +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 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) @@ -283,7 +463,7 @@ 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.