X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=include%2Flibfirm%2Fbe.h;h=2b1760085873570f8c99080e3446978c7582b7b9;hb=f7a0dee11313faad6f2ff54edc8eaadabd03e433;hp=5213dd23394cc08aa928e89049cd081bc5e4c76d;hpb=f0ffe00e5370bdfd3ce97c320e4314f35b0fa998;p=libfirm diff --git a/include/libfirm/be.h b/include/libfirm/be.h index 5213dd233..2b1760085 100644 --- a/include/libfirm/be.h +++ b/include/libfirm/be.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. * @@ -26,43 +26,59 @@ #ifndef FIRM_BE_MAIN_H #define FIRM_BE_MAIN_H +#ifdef __cplusplus +extern "C" { +#endif + #include #include "irarch.h" #include "archop.h" #include "lowering.h" -#include "dbginfo.h" -#include "iroptimize.h" - -#include -#define LC_STOP_AND_RESET_TIMER(timer) do { lc_timer_stop(timer); lc_timer_reset(timer); } while(0) +typedef enum { + ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER = 0x0001, + ASM_CONSTRAINT_FLAG_SUPPORTS_MEMOP = 0x0002, + ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE = 0x0004, + ASM_CONSTRAINT_FLAG_NO_SUPPORT = 0x0008, + ASM_CONSTRAINT_FLAG_MODIFIER_WRITE = 0x0010, + ASM_CONSTRAINT_FLAG_MODIFIER_NO_WRITE = 0x0020, + ASM_CONSTRAINT_FLAG_MODIFIER_READ = 0x0040, + ASM_CONSTRAINT_FLAG_MODIFIER_NO_READ = 0x0080, + ASM_CONSTRAINT_FLAG_MODIFIER_EARLYCLOBBER = 0x0100, + ASM_CONSTRAINT_FLAG_MODIFIER_COMMUTATIVE = 0x0200, + ASM_CONSTRAINT_FLAG_INVALID = 0x8000 +} asm_constraint_flags_t; /** * This structure contains parameters that should be * propagated to the libFirm parameter set. */ typedef struct backend_params { - /** if set, the backend cannot handle DWORD access */ + /** If set, the backend cannot handle DWORD access. */ unsigned do_dw_lowering:1; - /** if set, the backend supports inline assembly */ + /** If set, the backend supports inline assembly. */ unsigned support_inline_asm:1; - /** if set, the backend prefers fastcall convention over cdecl */ - unsigned prefer_fastcall:1; + /** If set, the target architecture use an immediate floating point mode. */ + unsigned has_imm_fp_mode:1; /** Additional opcodes settings. */ const arch_ops_info *arch_op_settings; - /** Settings for architecture dependent optimizations */ - const arch_dep_params_t *dep_param; + /** Settings for architecture dependent optimizations. */ + const ir_settings_arch_dep_t *dep_param; - /** the architecture specific intrinsic function creator */ + /** The architecture specific intrinsic function creator. */ create_intrinsic_fkt *arch_create_intrinsic_fkt; - /** the context parameter for the create intrinsic function */ + /** The context parameter for the create intrinsic function. */ void *create_intrinsic_ctx; - /** backend settings for if-conversion */ - const opt_if_conv_info_t *if_conv_info; + /** Backend settings for if-conversion. */ + const ir_settings_if_conv_t *if_conv_info; + + /** The immediate floating point mode. Temporaries are calculated using + * this mode. */ + ir_mode *imm_fp_mode; } backend_params; /** @@ -76,34 +92,34 @@ void be_opt_register(void); int be_parse_arg(const char *arg); /** - * Initialize the Firm backend. Must be run BEFORE init_firm()! + * Return the backend configuration parameter. * * @return libFirm configuration parameters for the selected * backend */ -const backend_params *be_init(void); +const backend_params *be_get_backend_param(void); /** * Main interface to the frontend. */ -void be_main(FILE *file_handle, const char *cup_name); - -/** The type of the debug info retriever function. */ -typedef const char *(*retrieve_dbg_func)(const dbg_info *dbg, unsigned *line); +void be_main(FILE *output, const char *compilation_unit_name); /** - * Sets a debug info retriever. - * - * @param func the debug retriever function. + * parse assembler constraint strings and returns flags (so the frontend knows + * which operands are inputs/outputs and whether memory is required) */ -void be_set_debug_retrieve(retrieve_dbg_func func); +asm_constraint_flags_t be_parse_asm_constraints(const char *constraints); /** - * Retrieve the debug info. + * tests whether a string is a valid clobber in an ASM instruction */ -const char *be_retrieve_dbg_info(const dbg_info *dbg, unsigned *line); +int be_is_valid_clobber(const char *clobber); typedef struct be_main_env_t be_main_env_t; typedef struct be_options_t be_options_t; -#endif /* FIRM_BE_MAIN_H */ +#ifdef __cplusplus +} +#endif + +#endif