| /* Core data structures for the 'tree' type. |
| Copyright (C) 1989-2021 Free Software Foundation, Inc. |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify it under |
| the terms of the GNU General Public License as published by the Free |
| Software Foundation; either version 3, or (at your option) any later |
| version. |
| |
| GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GCC; see the file COPYING3. If not see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef GCC_TREE_CORE_H |
| #define GCC_TREE_CORE_H |
| |
| #include "symtab.h" |
| |
| /* This file contains all the data structures that define the 'tree' type. |
| There are no accessor macros nor functions in this file. Only the |
| basic data structures, extern declarations and type definitions. */ |
| |
| /*--------------------------------------------------------------------------- |
| Forward type declarations. Mostly to avoid including unnecessary headers |
| ---------------------------------------------------------------------------*/ |
| struct function; |
| struct real_value; |
| struct fixed_value; |
| struct ptr_info_def; |
| struct range_info_def; |
| struct die_struct; |
| |
| |
| /*--------------------------------------------------------------------------- |
| #defined constants |
| ---------------------------------------------------------------------------*/ |
| /* Nonzero if this is a call to a function whose return value depends |
| solely on its arguments, has no side effects, and does not read |
| global memory. This corresponds to TREE_READONLY for function |
| decls. */ |
| #define ECF_CONST (1 << 0) |
| |
| /* Nonzero if this is a call to "pure" function (like const function, |
| but may read memory. This corresponds to DECL_PURE_P for function |
| decls. */ |
| #define ECF_PURE (1 << 1) |
| |
| /* Nonzero if this is ECF_CONST or ECF_PURE but cannot be proven to no |
| infinite loop. This corresponds to DECL_LOOPING_CONST_OR_PURE_P |
| for function decls.*/ |
| #define ECF_LOOPING_CONST_OR_PURE (1 << 2) |
| |
| /* Nonzero if this call will never return. */ |
| #define ECF_NORETURN (1 << 3) |
| |
| /* Nonzero if this is a call to malloc or a related function. */ |
| #define ECF_MALLOC (1 << 4) |
| |
| /* Nonzero if it is plausible that this is a call to alloca. */ |
| #define ECF_MAY_BE_ALLOCA (1 << 5) |
| |
| /* Nonzero if this is a call to a function that won't throw an exception. */ |
| #define ECF_NOTHROW (1 << 6) |
| |
| /* Nonzero if this is a call to setjmp or a related function. */ |
| #define ECF_RETURNS_TWICE (1 << 7) |
| |
| /* Nonzero if this call replaces the current stack frame. */ |
| #define ECF_SIBCALL (1 << 8) |
| |
| /* Function does not read or write memory (but may have side effects, so |
| it does not necessarily fit ECF_CONST). */ |
| #define ECF_NOVOPS (1 << 9) |
| |
| /* The function does not lead to calls within current function unit. */ |
| #define ECF_LEAF (1 << 10) |
| |
| /* Nonzero if this call returns its first argument. */ |
| #define ECF_RET1 (1 << 11) |
| |
| /* Nonzero if this call does not affect transactions. */ |
| #define ECF_TM_PURE (1 << 12) |
| |
| /* Nonzero if this call is into the transaction runtime library. */ |
| #define ECF_TM_BUILTIN (1 << 13) |
| |
| /* Nonzero if this is an indirect call by descriptor. */ |
| #define ECF_BY_DESCRIPTOR (1 << 14) |
| |
| /* Nonzero if this is a cold function. */ |
| #define ECF_COLD (1 << 15) |
| |
| /* Call argument flags. */ |
| /* Nonzero if the argument is not dereferenced recursively, thus only |
| directly reachable memory is read or written. */ |
| #define EAF_DIRECT (1 << 0) |
| |
| /* Nonzero if memory reached by the argument is not clobbered. */ |
| #define EAF_NOCLOBBER (1 << 1) |
| |
| /* Nonzero if the argument does not escape. */ |
| #define EAF_NOESCAPE (1 << 2) |
| |
| /* Nonzero if the argument is not used by the function. */ |
| #define EAF_UNUSED (1 << 3) |
| |
| /* Nonzero if the argument itself does not escape but memory |
| referenced by it can escape. */ |
| #define EAF_NODIRECTESCAPE (1 << 4) |
| |
| /* Nonzero if the argument does not escape to return value. */ |
| #define EAF_NOT_RETURNED (1 << 5) |
| |
| /* Nonzero if the argument is not read. */ |
| #define EAF_NOREAD (1 << 6) |
| |
| /* Call return flags. */ |
| /* Mask for the argument number that is returned. Lower two bits of |
| the return flags, encodes argument slots zero to three. */ |
| #define ERF_RETURN_ARG_MASK (3) |
| |
| /* Nonzero if the return value is equal to the argument number |
| flags & ERF_RETURN_ARG_MASK. */ |
| #define ERF_RETURNS_ARG (1 << 2) |
| |
| /* Nonzero if the return value does not alias with anything. Functions |
| with the malloc attribute have this set on their return value. */ |
| #define ERF_NOALIAS (1 << 3) |
| |
| |
| /*--------------------------------------------------------------------------- |
| Enumerations |
| ---------------------------------------------------------------------------*/ |
| /* Codes of tree nodes. */ |
| #define DEFTREECODE(SYM, STRING, TYPE, NARGS) SYM, |
| #define END_OF_BASE_TREE_CODES LAST_AND_UNUSED_TREE_CODE, |
| |
| enum tree_code { |
| #include "all-tree.def" |
| MAX_TREE_CODES |
| }; |
| |
| #undef DEFTREECODE |
| #undef END_OF_BASE_TREE_CODES |
| |
| /* Number of language-independent tree codes. */ |
| #define NUM_TREE_CODES \ |
| ((int) LAST_AND_UNUSED_TREE_CODE) |
| |
| #define CODE_CONTAINS_STRUCT(CODE, STRUCT) \ |
| (tree_contains_struct[(CODE)][(STRUCT)]) |
| |
| |
| /* Classify which part of the compiler has defined a given builtin function. |
| Note that we assume below that this is no more than two bits. */ |
| enum built_in_class { |
| NOT_BUILT_IN = 0, |
| BUILT_IN_FRONTEND, |
| BUILT_IN_MD, |
| BUILT_IN_NORMAL |
| }; |
| |
| /* Last marker used for LTO stremaing of built_in_class. We cannot add it |
| to the enum since we need the enumb to fit in 2 bits. */ |
| #define BUILT_IN_LAST (BUILT_IN_NORMAL + 1) |
| |
| /* Codes that identify the various built in functions |
| so that expand_call can identify them quickly. */ |
| #define DEF_BUILTIN(ENUM, N, C, T, LT, B, F, NA, AT, IM, COND) ENUM, |
| enum built_in_function { |
| #include "builtins.def" |
| /* Complex division routines in libgcc. These are done via builtins |
| because emit_library_call_value can't handle complex values. */ |
| BUILT_IN_COMPLEX_MUL_MIN, |
| BUILT_IN_COMPLEX_MUL_MAX |
| = BUILT_IN_COMPLEX_MUL_MIN |
| + MAX_MODE_COMPLEX_FLOAT |
| - MIN_MODE_COMPLEX_FLOAT, |
| |
| BUILT_IN_COMPLEX_DIV_MIN, |
| BUILT_IN_COMPLEX_DIV_MAX |
| = BUILT_IN_COMPLEX_DIV_MIN |
| + MAX_MODE_COMPLEX_FLOAT |
| - MIN_MODE_COMPLEX_FLOAT, |
| |
| /* Upper bound on non-language-specific builtins. */ |
| END_BUILTINS |
| }; |
| |
| /* Internal functions. */ |
| enum internal_fn { |
| #define DEF_INTERNAL_FN(CODE, FLAGS, FNSPEC) IFN_##CODE, |
| #include "internal-fn.def" |
| IFN_LAST |
| }; |
| |
| /* An enum that combines target-independent built-in functions with |
| internal functions, so that they can be treated in a similar way. |
| The numbers for built-in functions are the same as for the |
| built_in_function enum. The numbers for internal functions |
| start at END_BUITLINS. */ |
| enum combined_fn { |
| #define DEF_BUILTIN(ENUM, N, C, T, LT, B, F, NA, AT, IM, COND) \ |
| CFN_##ENUM = int (ENUM), |
| #include "builtins.def" |
| |
| |
| #define DEF_INTERNAL_FN(CODE, FLAGS, FNSPEC) \ |
| CFN_##CODE = int (END_BUILTINS) + int (IFN_##CODE), |
| #include "internal-fn.def" |
| |
| CFN_LAST |
| }; |
| |
| /* Tree code classes. Each tree_code has an associated code class |
| represented by a TREE_CODE_CLASS. */ |
| enum tree_code_class { |
| tcc_exceptional, /* An exceptional code (fits no category). */ |
| tcc_constant, /* A constant. */ |
| /* Order of tcc_type and tcc_declaration is important. */ |
| tcc_type, /* A type object code. */ |
| tcc_declaration, /* A declaration (also serving as variable refs). */ |
| tcc_reference, /* A reference to storage. */ |
| tcc_comparison, /* A comparison expression. */ |
| tcc_unary, /* A unary arithmetic expression. */ |
| tcc_binary, /* A binary arithmetic expression. */ |
| tcc_statement, /* A statement expression, which have side effects |
| but usually no interesting value. */ |
| tcc_vl_exp, /* A function call or other expression with a |
| variable-length operand vector. */ |
| tcc_expression /* Any other expression. */ |
| }; |
| |
| /* OMP_CLAUSE codes. Do not reorder, as this is used to index into |
| the tables omp_clause_num_ops and omp_clause_code_name. */ |
| enum omp_clause_code { |
| /* Clause zero is special-cased inside the parser |
| (c_parser_omp_variable_list). */ |
| OMP_CLAUSE_ERROR = 0, |
| |
| /* OpenACC/OpenMP clause: private (variable_list). */ |
| OMP_CLAUSE_PRIVATE, |
| |
| /* OpenMP clause: shared (variable_list). */ |
| OMP_CLAUSE_SHARED, |
| |
| /* OpenACC/OpenMP clause: firstprivate (variable_list). */ |
| OMP_CLAUSE_FIRSTPRIVATE, |
| |
| /* OpenMP clause: lastprivate (variable_list). */ |
| OMP_CLAUSE_LASTPRIVATE, |
| |
| /* OpenACC/OpenMP clause: reduction (operator:variable_list). |
| OMP_CLAUSE_REDUCTION_CODE: The tree_code of the operator. |
| Operand 1: OMP_CLAUSE_REDUCTION_INIT: Stmt-list to initialize the var. |
| Operand 2: OMP_CLAUSE_REDUCTION_MERGE: Stmt-list to merge private var |
| into the shared one. |
| Operand 3: OMP_CLAUSE_REDUCTION_PLACEHOLDER: A dummy VAR_DECL |
| placeholder used in OMP_CLAUSE_REDUCTION_{INIT,MERGE}. |
| Operand 4: OMP_CLAUSE_REDUCTION_DECL_PLACEHOLDER: Another dummy |
| VAR_DECL placeholder, used like the above for C/C++ array |
| reductions. */ |
| OMP_CLAUSE_REDUCTION, |
| |
| /* OpenMP clause: task_reduction (operator:variable_list). */ |
| OMP_CLAUSE_TASK_REDUCTION, |
| |
| /* OpenMP clause: in_reduction (operator:variable_list). */ |
| OMP_CLAUSE_IN_REDUCTION, |
| |
| /* OpenMP clause: copyin (variable_list). */ |
| OMP_CLAUSE_COPYIN, |
| |
| /* OpenMP clause: copyprivate (variable_list). */ |
| OMP_CLAUSE_COPYPRIVATE, |
| |
| /* OpenMP clause: linear (variable-list[:linear-step]). */ |
| OMP_CLAUSE_LINEAR, |
| |
| /* OpenMP clause: affinity([depend-modifier :] variable-list). */ |
| OMP_CLAUSE_AFFINITY, |
| |
| /* OpenMP clause: aligned (variable-list[:alignment]). */ |
| OMP_CLAUSE_ALIGNED, |
| |
| /* OpenMP clause: allocate ([allocator:]variable-list). */ |
| OMP_CLAUSE_ALLOCATE, |
| |
| /* OpenMP clause: depend ({in,out,inout}:variable-list). */ |
| OMP_CLAUSE_DEPEND, |
| |
| /* OpenMP clause: nontemporal (variable-list). */ |
| OMP_CLAUSE_NONTEMPORAL, |
| |
| /* OpenMP clause: uniform (argument-list). */ |
| OMP_CLAUSE_UNIFORM, |
| |
| /* OpenMP clause: to (extended-list). |
| Only when it appears in declare target. */ |
| OMP_CLAUSE_TO_DECLARE, |
| |
| /* OpenMP clause: link (variable-list). */ |
| OMP_CLAUSE_LINK, |
| |
| /* OpenMP clause: detach (event-handle). */ |
| OMP_CLAUSE_DETACH, |
| |
| /* OpenACC clause: use_device (variable-list). |
| OpenMP clause: use_device_ptr (ptr-list). */ |
| OMP_CLAUSE_USE_DEVICE_PTR, |
| |
| /* OpenMP clause: use_device_addr (variable-list). */ |
| OMP_CLAUSE_USE_DEVICE_ADDR, |
| |
| /* OpenMP clause: is_device_ptr (variable-list). */ |
| OMP_CLAUSE_IS_DEVICE_PTR, |
| |
| /* OpenMP clause: inclusive (variable-list). */ |
| OMP_CLAUSE_INCLUSIVE, |
| |
| /* OpenMP clause: exclusive (variable-list). */ |
| OMP_CLAUSE_EXCLUSIVE, |
| |
| /* OpenMP clause: from (variable-list). */ |
| OMP_CLAUSE_FROM, |
| |
| /* OpenMP clause: to (variable-list). */ |
| OMP_CLAUSE_TO, |
| |
| /* OpenACC clauses: {copy, copyin, copyout, create, delete, deviceptr, |
| device, host (self), present, present_or_copy (pcopy), present_or_copyin |
| (pcopyin), present_or_copyout (pcopyout), present_or_create (pcreate)} |
| (variable-list). |
| |
| OpenMP clause: map ({alloc:,to:,from:,tofrom:,}variable-list). */ |
| OMP_CLAUSE_MAP, |
| |
| /* Internal structure to hold OpenACC cache directive's variable-list. |
| #pragma acc cache (variable-list). */ |
| OMP_CLAUSE__CACHE_, |
| |
| /* OpenACC clause: gang [(gang-argument-list)]. |
| Where |
| gang-argument-list: [gang-argument-list, ] gang-argument |
| gang-argument: [num:] integer-expression |
| | static: size-expression |
| size-expression: * | integer-expression. */ |
| OMP_CLAUSE_GANG, |
| |
| /* OpenACC clause: async [(integer-expression)]. */ |
| OMP_CLAUSE_ASYNC, |
| |
| /* OpenACC clause: wait [(integer-expression-list)]. */ |
| OMP_CLAUSE_WAIT, |
| |
| /* OpenACC clause: auto. */ |
| OMP_CLAUSE_AUTO, |
| |
| /* OpenACC clause: seq. */ |
| OMP_CLAUSE_SEQ, |
| |
| /* Internal clause: temporary for combined loops expansion. */ |
| OMP_CLAUSE__LOOPTEMP_, |
| |
| /* Internal clause: temporary for task reductions. */ |
| OMP_CLAUSE__REDUCTEMP_, |
| |
| /* Internal clause: temporary for lastprivate(conditional:). */ |
| OMP_CLAUSE__CONDTEMP_, |
| |
| /* Internal clause: temporary for inscan reductions. */ |
| OMP_CLAUSE__SCANTEMP_, |
| |
| /* OpenACC/OpenMP clause: if (scalar-expression). */ |
| OMP_CLAUSE_IF, |
| |
| /* OpenMP clause: num_threads (integer-expression). */ |
| OMP_CLAUSE_NUM_THREADS, |
| |
| /* OpenMP clause: schedule. */ |
| OMP_CLAUSE_SCHEDULE, |
| |
| /* OpenMP clause: nowait. */ |
| OMP_CLAUSE_NOWAIT, |
| |
| /* OpenMP clause: ordered [(constant-integer-expression)]. */ |
| OMP_CLAUSE_ORDERED, |
| |
| /* OpenACC/OpenMP clause: default. */ |
| OMP_CLAUSE_DEFAULT, |
| |
| /* OpenACC/OpenMP clause: collapse (constant-integer-expression). */ |
| OMP_CLAUSE_COLLAPSE, |
| |
| /* OpenMP clause: untied. */ |
| OMP_CLAUSE_UNTIED, |
| |
| /* OpenMP clause: final (scalar-expression). */ |
| OMP_CLAUSE_FINAL, |
| |
| /* OpenMP clause: mergeable. */ |
| OMP_CLAUSE_MERGEABLE, |
| |
| /* OpenMP clause: device (integer-expression). */ |
| OMP_CLAUSE_DEVICE, |
| |
| /* OpenMP clause: dist_schedule (static[:chunk-size]). */ |
| OMP_CLAUSE_DIST_SCHEDULE, |
| |
| /* OpenMP clause: inbranch. */ |
| OMP_CLAUSE_INBRANCH, |
| |
| /* OpenMP clause: notinbranch. */ |
| OMP_CLAUSE_NOTINBRANCH, |
| |
| /* OpenMP clause: num_teams(integer-expression). */ |
| OMP_CLAUSE_NUM_TEAMS, |
| |
| /* OpenMP clause: thread_limit(integer-expression). */ |
| OMP_CLAUSE_THREAD_LIMIT, |
| |
| /* OpenMP clause: proc_bind ({master,close,spread}). */ |
| OMP_CLAUSE_PROC_BIND, |
| |
| /* OpenMP clause: safelen (constant-integer-expression). */ |
| OMP_CLAUSE_SAFELEN, |
| |
| /* OpenMP clause: simdlen (constant-integer-expression). */ |
| OMP_CLAUSE_SIMDLEN, |
| |
| /* OpenMP clause: device_type ({host,nohost,any}). */ |
| OMP_CLAUSE_DEVICE_TYPE, |
| |
| /* OpenMP clause: for. */ |
| OMP_CLAUSE_FOR, |
| |
| /* OpenMP clause: parallel. */ |
| OMP_CLAUSE_PARALLEL, |
| |
| /* OpenMP clause: sections. */ |
| OMP_CLAUSE_SECTIONS, |
| |
| /* OpenMP clause: taskgroup. */ |
| OMP_CLAUSE_TASKGROUP, |
| |
| /* OpenMP clause: priority (integer-expression). */ |
| OMP_CLAUSE_PRIORITY, |
| |
| /* OpenMP clause: grainsize (integer-expression). */ |
| OMP_CLAUSE_GRAINSIZE, |
| |
| /* OpenMP clause: num_tasks (integer-expression). */ |
| OMP_CLAUSE_NUM_TASKS, |
| |
| /* OpenMP clause: nogroup. */ |
| OMP_CLAUSE_NOGROUP, |
| |
| /* OpenMP clause: threads. */ |
| OMP_CLAUSE_THREADS, |
| |
| /* OpenMP clause: simd. */ |
| OMP_CLAUSE_SIMD, |
| |
| /* OpenMP clause: hint (integer-expression). */ |
| OMP_CLAUSE_HINT, |
| |
| /* OpenMP clause: defaultmap (tofrom: scalar). */ |
| OMP_CLAUSE_DEFAULTMAP, |
| |
| /* OpenMP clause: order (concurrent). */ |
| OMP_CLAUSE_ORDER, |
| |
| /* OpenMP clause: bind (binding). */ |
| OMP_CLAUSE_BIND, |
| |
| /* OpenMP clause: filter (integer-expression). */ |
| OMP_CLAUSE_FILTER, |
| |
| /* Internally used only clause, holding SIMD uid. */ |
| OMP_CLAUSE__SIMDUID_, |
| |
| /* Internally used only clause, flag whether this is SIMT simd |
| loop or not. */ |
| OMP_CLAUSE__SIMT_, |
| |
| /* OpenACC clause: independent. */ |
| OMP_CLAUSE_INDEPENDENT, |
| |
| /* OpenACC clause: worker [( [num:] integer-expression)]. */ |
| OMP_CLAUSE_WORKER, |
| |
| /* OpenACC clause: vector [( [length:] integer-expression)]. */ |
| OMP_CLAUSE_VECTOR, |
| |
| /* OpenACC clause: num_gangs (integer-expression). */ |
| OMP_CLAUSE_NUM_GANGS, |
| |
| /* OpenACC clause: num_workers (integer-expression). */ |
| OMP_CLAUSE_NUM_WORKERS, |
| |
| /* OpenACC clause: vector_length (integer-expression). */ |
| OMP_CLAUSE_VECTOR_LENGTH, |
| |
| /* OpenACC clause: tile ( size-expr-list ). */ |
| OMP_CLAUSE_TILE, |
| |
| /* OpenACC clause: if_present. */ |
| OMP_CLAUSE_IF_PRESENT, |
| |
| /* OpenACC clause: finalize. */ |
| OMP_CLAUSE_FINALIZE, |
| |
| /* OpenACC clause: nohost. */ |
| OMP_CLAUSE_NOHOST, |
| }; |
| |
| #undef DEFTREESTRUCT |
| #define DEFTREESTRUCT(ENUM, NAME) ENUM, |
| enum tree_node_structure_enum { |
| #include "treestruct.def" |
| LAST_TS_ENUM |
| }; |
| #undef DEFTREESTRUCT |
| |
| enum omp_clause_schedule_kind { |
| OMP_CLAUSE_SCHEDULE_STATIC, |
| OMP_CLAUSE_SCHEDULE_DYNAMIC, |
| OMP_CLAUSE_SCHEDULE_GUIDED, |
| OMP_CLAUSE_SCHEDULE_AUTO, |
| OMP_CLAUSE_SCHEDULE_RUNTIME, |
| OMP_CLAUSE_SCHEDULE_MASK = (1 << 3) - 1, |
| OMP_CLAUSE_SCHEDULE_MONOTONIC = (1 << 3), |
| OMP_CLAUSE_SCHEDULE_NONMONOTONIC = (1 << 4), |
| OMP_CLAUSE_SCHEDULE_LAST = 2 * OMP_CLAUSE_SCHEDULE_NONMONOTONIC - 1 |
| }; |
| |
| enum omp_clause_default_kind { |
| OMP_CLAUSE_DEFAULT_UNSPECIFIED, |
| OMP_CLAUSE_DEFAULT_SHARED, |
| OMP_CLAUSE_DEFAULT_NONE, |
| OMP_CLAUSE_DEFAULT_PRIVATE, |
| OMP_CLAUSE_DEFAULT_FIRSTPRIVATE, |
| OMP_CLAUSE_DEFAULT_PRESENT, |
| OMP_CLAUSE_DEFAULT_LAST |
| }; |
| |
| enum omp_clause_defaultmap_kind { |
| OMP_CLAUSE_DEFAULTMAP_CATEGORY_UNSPECIFIED, |
| OMP_CLAUSE_DEFAULTMAP_CATEGORY_SCALAR, |
| OMP_CLAUSE_DEFAULTMAP_CATEGORY_AGGREGATE, |
| OMP_CLAUSE_DEFAULTMAP_CATEGORY_ALLOCATABLE, |
| OMP_CLAUSE_DEFAULTMAP_CATEGORY_POINTER, |
| OMP_CLAUSE_DEFAULTMAP_CATEGORY_MASK = 7, |
| OMP_CLAUSE_DEFAULTMAP_ALLOC = 1 * (OMP_CLAUSE_DEFAULTMAP_CATEGORY_MASK + 1), |
| OMP_CLAUSE_DEFAULTMAP_TO = 2 * (OMP_CLAUSE_DEFAULTMAP_CATEGORY_MASK + 1), |
| OMP_CLAUSE_DEFAULTMAP_FROM = 3 * (OMP_CLAUSE_DEFAULTMAP_CATEGORY_MASK + 1), |
| OMP_CLAUSE_DEFAULTMAP_TOFROM = 4 * (OMP_CLAUSE_DEFAULTMAP_CATEGORY_MASK + 1), |
| OMP_CLAUSE_DEFAULTMAP_FIRSTPRIVATE |
| = 5 * (OMP_CLAUSE_DEFAULTMAP_CATEGORY_MASK + 1), |
| OMP_CLAUSE_DEFAULTMAP_NONE = 6 * (OMP_CLAUSE_DEFAULTMAP_CATEGORY_MASK + 1), |
| OMP_CLAUSE_DEFAULTMAP_DEFAULT |
| = 7 * (OMP_CLAUSE_DEFAULTMAP_CATEGORY_MASK + 1), |
| OMP_CLAUSE_DEFAULTMAP_MASK = 7 * (OMP_CLAUSE_DEFAULTMAP_CATEGORY_MASK + 1) |
| }; |
| |
| enum omp_clause_bind_kind { |
| OMP_CLAUSE_BIND_TEAMS, |
| OMP_CLAUSE_BIND_PARALLEL, |
| OMP_CLAUSE_BIND_THREAD |
| }; |
| |
| /* memory-order-clause on OpenMP atomic/flush constructs or |
| argument of atomic_default_mem_order clause. */ |
| enum omp_memory_order { |
| OMP_MEMORY_ORDER_UNSPECIFIED, |
| OMP_MEMORY_ORDER_RELAXED, |
| OMP_MEMORY_ORDER_ACQUIRE, |
| OMP_MEMORY_ORDER_RELEASE, |
| OMP_MEMORY_ORDER_ACQ_REL, |
| OMP_MEMORY_ORDER_SEQ_CST, |
| OMP_MEMORY_ORDER_MASK = 7, |
| OMP_FAIL_MEMORY_ORDER_UNSPECIFIED = OMP_MEMORY_ORDER_UNSPECIFIED * 8, |
| OMP_FAIL_MEMORY_ORDER_RELAXED = OMP_MEMORY_ORDER_RELAXED * 8, |
| OMP_FAIL_MEMORY_ORDER_ACQUIRE = OMP_MEMORY_ORDER_ACQUIRE * 8, |
| OMP_FAIL_MEMORY_ORDER_RELEASE = OMP_MEMORY_ORDER_RELEASE * 8, |
| OMP_FAIL_MEMORY_ORDER_ACQ_REL = OMP_MEMORY_ORDER_ACQ_REL * 8, |
| OMP_FAIL_MEMORY_ORDER_SEQ_CST = OMP_MEMORY_ORDER_SEQ_CST * 8, |
| OMP_FAIL_MEMORY_ORDER_MASK = OMP_MEMORY_ORDER_MASK * 8 |
| }; |
| #define OMP_FAIL_MEMORY_ORDER_SHIFT 3 |
| |
| /* There is a TYPE_QUAL value for each type qualifier. They can be |
| combined by bitwise-or to form the complete set of qualifiers for a |
| type. */ |
| enum cv_qualifier { |
| TYPE_UNQUALIFIED = 0x0, |
| TYPE_QUAL_CONST = 0x1, |
| TYPE_QUAL_VOLATILE = 0x2, |
| TYPE_QUAL_RESTRICT = 0x4, |
| TYPE_QUAL_ATOMIC = 0x8 |
| }; |
| |
| /* Standard named or nameless data types of the C compiler. */ |
| enum tree_index { |
| TI_ERROR_MARK, |
| TI_INTQI_TYPE, |
| TI_INTHI_TYPE, |
| TI_INTSI_TYPE, |
| TI_INTDI_TYPE, |
| TI_INTTI_TYPE, |
| |
| TI_UINTQI_TYPE, |
| TI_UINTHI_TYPE, |
| TI_UINTSI_TYPE, |
| TI_UINTDI_TYPE, |
| TI_UINTTI_TYPE, |
| |
| TI_ATOMICQI_TYPE, |
| TI_ATOMICHI_TYPE, |
| TI_ATOMICSI_TYPE, |
| TI_ATOMICDI_TYPE, |
| TI_ATOMICTI_TYPE, |
| |
| TI_UINT16_TYPE, |
| TI_UINT32_TYPE, |
| TI_UINT64_TYPE, |
| TI_UINT128_TYPE, |
| |
| TI_VOID, |
| |
| TI_INTEGER_ZERO, |
| TI_INTEGER_ONE, |
| TI_INTEGER_THREE, |
| TI_INTEGER_MINUS_ONE, |
| TI_NULL_POINTER, |
| |
| TI_SIZE_ZERO, |
| TI_SIZE_ONE, |
| |
| TI_BITSIZE_ZERO, |
| TI_BITSIZE_ONE, |
| TI_BITSIZE_UNIT, |
| |
| TI_PUBLIC, |
| TI_PROTECTED, |
| TI_PRIVATE, |
| |
| TI_BOOLEAN_FALSE, |
| TI_BOOLEAN_TRUE, |
| |
| TI_FLOAT_TYPE, |
| TI_DOUBLE_TYPE, |
| TI_LONG_DOUBLE_TYPE, |
| |
| /* The _FloatN and _FloatNx types must be consecutive, and in the |
| same sequence as the corresponding complex types, which must also |
| be consecutive; _FloatN must come before _FloatNx; the order must |
| also be the same as in the floatn_nx_types array and the RID_* |
| values in c-common.h. This is so that iterations over these |
| types work as intended. */ |
| TI_FLOAT16_TYPE, |
| TI_FLOATN_TYPE_FIRST = TI_FLOAT16_TYPE, |
| TI_FLOATN_NX_TYPE_FIRST = TI_FLOAT16_TYPE, |
| TI_FLOAT32_TYPE, |
| TI_FLOAT64_TYPE, |
| TI_FLOAT128_TYPE, |
| TI_FLOATN_TYPE_LAST = TI_FLOAT128_TYPE, |
| #define NUM_FLOATN_TYPES (TI_FLOATN_TYPE_LAST - TI_FLOATN_TYPE_FIRST + 1) |
| TI_FLOAT32X_TYPE, |
| TI_FLOATNX_TYPE_FIRST = TI_FLOAT32X_TYPE, |
| TI_FLOAT64X_TYPE, |
| TI_FLOAT128X_TYPE, |
| TI_FLOATNX_TYPE_LAST = TI_FLOAT128X_TYPE, |
| TI_FLOATN_NX_TYPE_LAST = TI_FLOAT128X_TYPE, |
| #define NUM_FLOATNX_TYPES (TI_FLOATNX_TYPE_LAST - TI_FLOATNX_TYPE_FIRST + 1) |
| #define NUM_FLOATN_NX_TYPES (TI_FLOATN_NX_TYPE_LAST \ |
| - TI_FLOATN_NX_TYPE_FIRST \ |
| + 1) |
| |
| /* Put the complex types after their component types, so that in (sequential) |
| tree streaming we can assert that their component types have already been |
| handled (see tree-streamer.c:record_common_node). */ |
| TI_COMPLEX_INTEGER_TYPE, |
| TI_COMPLEX_FLOAT_TYPE, |
| TI_COMPLEX_DOUBLE_TYPE, |
| TI_COMPLEX_LONG_DOUBLE_TYPE, |
| |
| TI_COMPLEX_FLOAT16_TYPE, |
| TI_COMPLEX_FLOATN_NX_TYPE_FIRST = TI_COMPLEX_FLOAT16_TYPE, |
| TI_COMPLEX_FLOAT32_TYPE, |
| TI_COMPLEX_FLOAT64_TYPE, |
| TI_COMPLEX_FLOAT128_TYPE, |
| TI_COMPLEX_FLOAT32X_TYPE, |
| TI_COMPLEX_FLOAT64X_TYPE, |
| TI_COMPLEX_FLOAT128X_TYPE, |
| |
| TI_FLOAT_PTR_TYPE, |
| TI_DOUBLE_PTR_TYPE, |
| TI_LONG_DOUBLE_PTR_TYPE, |
| TI_INTEGER_PTR_TYPE, |
| |
| TI_VOID_TYPE, |
| TI_PTR_TYPE, |
| TI_CONST_PTR_TYPE, |
| TI_SIZE_TYPE, |
| TI_PID_TYPE, |
| TI_PTRDIFF_TYPE, |
| TI_VA_LIST_TYPE, |
| TI_VA_LIST_GPR_COUNTER_FIELD, |
| TI_VA_LIST_FPR_COUNTER_FIELD, |
| TI_BOOLEAN_TYPE, |
| TI_FILEPTR_TYPE, |
| TI_CONST_TM_PTR_TYPE, |
| TI_FENV_T_PTR_TYPE, |
| TI_CONST_FENV_T_PTR_TYPE, |
| TI_FEXCEPT_T_PTR_TYPE, |
| TI_CONST_FEXCEPT_T_PTR_TYPE, |
| TI_POINTER_SIZED_TYPE, |
| |
| TI_DFLOAT32_TYPE, |
| TI_DFLOAT64_TYPE, |
| TI_DFLOAT128_TYPE, |
| |
| TI_VOID_LIST_NODE, |
| |
| TI_MAIN_IDENTIFIER, |
| |
| TI_SAT_SFRACT_TYPE, |
| TI_SAT_FRACT_TYPE, |
| TI_SAT_LFRACT_TYPE, |
| TI_SAT_LLFRACT_TYPE, |
| TI_SAT_USFRACT_TYPE, |
| TI_SAT_UFRACT_TYPE, |
| TI_SAT_ULFRACT_TYPE, |
| TI_SAT_ULLFRACT_TYPE, |
| TI_SFRACT_TYPE, |
| TI_FRACT_TYPE, |
| TI_LFRACT_TYPE, |
| TI_LLFRACT_TYPE, |
| TI_USFRACT_TYPE, |
| TI_UFRACT_TYPE, |
| TI_ULFRACT_TYPE, |
| TI_ULLFRACT_TYPE, |
| TI_SAT_SACCUM_TYPE, |
| TI_SAT_ACCUM_TYPE, |
| TI_SAT_LACCUM_TYPE, |
| TI_SAT_LLACCUM_TYPE, |
| TI_SAT_USACCUM_TYPE, |
| TI_SAT_UACCUM_TYPE, |
| TI_SAT_ULACCUM_TYPE, |
| TI_SAT_ULLACCUM_TYPE, |
| TI_SACCUM_TYPE, |
| TI_ACCUM_TYPE, |
| TI_LACCUM_TYPE, |
| TI_LLACCUM_TYPE, |
| TI_USACCUM_TYPE, |
| TI_UACCUM_TYPE, |
| TI_ULACCUM_TYPE, |
| TI_ULLACCUM_TYPE, |
| TI_QQ_TYPE, |
| TI_HQ_TYPE, |
| TI_SQ_TYPE, |
| TI_DQ_TYPE, |
| TI_TQ_TYPE, |
| TI_UQQ_TYPE, |
| TI_UHQ_TYPE, |
| TI_USQ_TYPE, |
| TI_UDQ_TYPE, |
| TI_UTQ_TYPE, |
| TI_SAT_QQ_TYPE, |
| TI_SAT_HQ_TYPE, |
| TI_SAT_SQ_TYPE, |
| TI_SAT_DQ_TYPE, |
| TI_SAT_TQ_TYPE, |
| TI_SAT_UQQ_TYPE, |
| TI_SAT_UHQ_TYPE, |
| TI_SAT_USQ_TYPE, |
| TI_SAT_UDQ_TYPE, |
| TI_SAT_UTQ_TYPE, |
| TI_HA_TYPE, |
| TI_SA_TYPE, |
| TI_DA_TYPE, |
| TI_TA_TYPE, |
| TI_UHA_TYPE, |
| TI_USA_TYPE, |
| TI_UDA_TYPE, |
| TI_UTA_TYPE, |
| TI_SAT_HA_TYPE, |
| TI_SAT_SA_TYPE, |
| TI_SAT_DA_TYPE, |
| TI_SAT_TA_TYPE, |
| TI_SAT_UHA_TYPE, |
| TI_SAT_USA_TYPE, |
| TI_SAT_UDA_TYPE, |
| TI_SAT_UTA_TYPE, |
| |
| TI_MODULE_HWM, |
| /* Nodes below here change during compilation, and should therefore |
| not be in the C++ module's global tree table. */ |
| |
| TI_OPTIMIZATION_DEFAULT, |
| TI_OPTIMIZATION_CURRENT, |
| TI_TARGET_OPTION_DEFAULT, |
| TI_TARGET_OPTION_CURRENT, |
| TI_CURRENT_TARGET_PRAGMA, |
| TI_CURRENT_OPTIMIZE_PRAGMA, |
| |
| TI_CHREC_DONT_KNOW, |
| TI_CHREC_KNOWN, |
| |
| TI_MAX |
| }; |
| |
| /* An enumeration of the standard C integer types. These must be |
| ordered so that shorter types appear before longer ones, and so |
| that signed types appear before unsigned ones, for the correct |
| functioning of interpret_integer() in c-lex.c. */ |
| enum integer_type_kind { |
| itk_char, |
| itk_signed_char, |
| itk_unsigned_char, |
| itk_short, |
| itk_unsigned_short, |
| itk_int, |
| itk_unsigned_int, |
| itk_long, |
| itk_unsigned_long, |
| itk_long_long, |
| itk_unsigned_long_long, |
| |
| itk_intN_0, |
| itk_unsigned_intN_0, |
| itk_intN_1, |
| itk_unsigned_intN_1, |
| itk_intN_2, |
| itk_unsigned_intN_2, |
| itk_intN_3, |
| itk_unsigned_intN_3, |
| |
| itk_none |
| }; |
| |
| /* A pointer-to-function member type looks like: |
| |
| struct { |
| __P __pfn; |
| ptrdiff_t __delta; |
| }; |
| |
| If __pfn is NULL, it is a NULL pointer-to-member-function. |
| |
| (Because the vtable is always the first thing in the object, we |
| don't need its offset.) If the function is virtual, then PFN is |
| one plus twice the index into the vtable; otherwise, it is just a |
| pointer to the function. |
| |
| Unfortunately, using the lowest bit of PFN doesn't work in |
| architectures that don't impose alignment requirements on function |
| addresses, or that use the lowest bit to tell one ISA from another, |
| for example. For such architectures, we use the lowest bit of |
| DELTA instead of the lowest bit of the PFN, and DELTA will be |
| multiplied by 2. */ |
| enum ptrmemfunc_vbit_where_t { |
| ptrmemfunc_vbit_in_pfn, |
| ptrmemfunc_vbit_in_delta |
| }; |
| |
| /* Flags that may be passed in the third argument of decl_attributes, and |
| to handler functions for attributes. */ |
| enum attribute_flags { |
| /* The type passed in is the type of a DECL, and any attributes that |
| should be passed in again to be applied to the DECL rather than the |
| type should be returned. */ |
| ATTR_FLAG_DECL_NEXT = 1, |
| /* The type passed in is a function return type, and any attributes that |
| should be passed in again to be applied to the function type rather |
| than the return type should be returned. */ |
| ATTR_FLAG_FUNCTION_NEXT = 2, |
| /* The type passed in is an array element type, and any attributes that |
| should be passed in again to be applied to the array type rather |
| than the element type should be returned. */ |
| ATTR_FLAG_ARRAY_NEXT = 4, |
| /* The type passed in is a structure, union or enumeration type being |
| created, and should be modified in place. */ |
| ATTR_FLAG_TYPE_IN_PLACE = 8, |
| /* The attributes are being applied by default to a library function whose |
| name indicates known behavior, and should be silently ignored if they |
| are not in fact compatible with the function type. */ |
| ATTR_FLAG_BUILT_IN = 16, |
| /* A given attribute has been parsed as a C++-11 attribute. */ |
| ATTR_FLAG_CXX11 = 32, |
| /* The attribute handler is being invoked with an internal argument |
| that may not otherwise be valid when specified in source code. */ |
| ATTR_FLAG_INTERNAL = 64 |
| }; |
| |
| /* Types used to represent sizes. */ |
| enum size_type_kind { |
| stk_sizetype, /* Normal representation of sizes in bytes. */ |
| stk_ssizetype, /* Signed representation of sizes in bytes. */ |
| stk_bitsizetype, /* Normal representation of sizes in bits. */ |
| stk_sbitsizetype, /* Signed representation of sizes in bits. */ |
| stk_type_kind_last |
| }; |
| |
| /* Flags controlling operand_equal_p() behavior. */ |
| enum operand_equal_flag { |
| OEP_ONLY_CONST = 1, |
| OEP_PURE_SAME = 2, |
| OEP_MATCH_SIDE_EFFECTS = 4, |
| OEP_ADDRESS_OF = 8, |
| /* Internal within operand_equal_p: */ |
| OEP_NO_HASH_CHECK = 16, |
| /* Internal within inchash::add_expr: */ |
| OEP_HASH_CHECK = 32, |
| /* Makes operand_equal_p handle more expressions: */ |
| OEP_LEXICOGRAPHIC = 64, |
| OEP_BITWISE = 128, |
| /* For OEP_ADDRESS_OF of COMPONENT_REFs, only consider same fields as |
| equivalent rather than also different fields with the same offset. */ |
| OEP_ADDRESS_OF_SAME_FIELD = 256, |
| /* In conjunction with OEP_LEXICOGRAPHIC considers names of declarations |
| of the same kind. Used to compare VLA bounds involving parameters |
| across redeclarations of the same function. */ |
| OEP_DECL_NAME = 512 |
| }; |
| |
| /* Enum and arrays used for tree allocation stats. |
| Keep in sync with tree.c:tree_node_kind_names. */ |
| enum tree_node_kind { |
| d_kind, |
| t_kind, |
| b_kind, |
| s_kind, |
| r_kind, |
| e_kind, |
| c_kind, |
| id_kind, |
| vec_kind, |
| binfo_kind, |
| ssa_name_kind, |
| constr_kind, |
| x_kind, |
| lang_decl, |
| lang_type, |
| omp_clause_kind, |
| all_kinds |
| }; |
| |
| enum annot_expr_kind { |
| annot_expr_ivdep_kind, |
| annot_expr_unroll_kind, |
| annot_expr_no_vector_kind, |
| annot_expr_vector_kind, |
| annot_expr_parallel_kind, |
| annot_expr_kind_last |
| }; |
| |
| /*--------------------------------------------------------------------------- |
| Type definitions |
| ---------------------------------------------------------------------------*/ |
| /* When processing aliases at the symbol table level, we need the |
| declaration of target. For this reason we need to queue aliases and |
| process them after all declarations has been produced. */ |
| struct GTY(()) alias_pair { |
| tree decl; |
| tree target; |
| }; |
| |
| /* An initialization priority. */ |
| typedef unsigned short priority_type; |
| |
| /* The type of a callback function for walking over tree structure. */ |
| typedef tree (*walk_tree_fn) (tree *, int *, void *); |
| |
| /* The type of a callback function that represents a custom walk_tree. */ |
| typedef tree (*walk_tree_lh) (tree *, int *, tree (*) (tree *, int *, void *), |
| void *, hash_set<tree> *); |
| |
| |
| /*--------------------------------------------------------------------------- |
| Main data structures |
| ---------------------------------------------------------------------------*/ |
| /* A tree node can represent a data type, a variable, an expression |
| or a statement. Each node has a TREE_CODE which says what kind of |
| thing it represents. Some common codes are: |
| INTEGER_TYPE -- represents a type of integers. |
| ARRAY_TYPE -- represents a type of pointer. |
| VAR_DECL -- represents a declared variable. |
| INTEGER_CST -- represents a constant integer value. |
| PLUS_EXPR -- represents a sum (an expression). |
| |
| As for the contents of a tree node: there are some fields |
| that all nodes share. Each TREE_CODE has various special-purpose |
| fields as well. The fields of a node are never accessed directly, |
| always through accessor macros. */ |
| |
| /* Every kind of tree node starts with this structure, |
| so all nodes have these fields. |
| |
| See the accessor macros, defined below, for documentation of the |
| fields, and the table below which connects the fields and the |
| accessor macros. */ |
| |
| struct GTY(()) tree_base { |
| ENUM_BITFIELD(tree_code) code : 16; |
| |
| unsigned side_effects_flag : 1; |
| unsigned constant_flag : 1; |
| unsigned addressable_flag : 1; |
| unsigned volatile_flag : 1; |
| unsigned readonly_flag : 1; |
| unsigned asm_written_flag: 1; |
| unsigned nowarning_flag : 1; |
| unsigned visited : 1; |
| |
| unsigned used_flag : 1; |
| unsigned nothrow_flag : 1; |
| unsigned static_flag : 1; |
| unsigned public_flag : 1; |
| unsigned private_flag : 1; |
| unsigned protected_flag : 1; |
| unsigned deprecated_flag : 1; |
| unsigned default_def_flag : 1; |
| |
| union { |
| /* The bits in the following structure should only be used with |
| accessor macros that constrain inputs with tree checking. */ |
| struct { |
| unsigned lang_flag_0 : 1; |
| unsigned lang_flag_1 : 1; |
| unsigned lang_flag_2 : 1; |
| unsigned lang_flag_3 : 1; |
| unsigned lang_flag_4 : 1; |
| unsigned lang_flag_5 : 1; |
| unsigned lang_flag_6 : 1; |
| unsigned saturating_flag : 1; |
| |
| unsigned unsigned_flag : 1; |
| unsigned packed_flag : 1; |
| unsigned user_align : 1; |
| unsigned nameless_flag : 1; |
| unsigned atomic_flag : 1; |
| unsigned unavailable_flag : 1; |
| unsigned spare0 : 2; |
| |
| unsigned spare1 : 8; |
| |
| /* This field is only used with TREE_TYPE nodes; the only reason it is |
| present in tree_base instead of tree_type is to save space. The size |
| of the field must be large enough to hold addr_space_t values. */ |
| unsigned address_space : 8; |
| } bits; |
| |
| /* The following fields are present in tree_base to save space. The |
| nodes using them do not require any of the flags above and so can |
| make better use of the 4-byte sized word. */ |
| |
| /* The number of HOST_WIDE_INTs in an INTEGER_CST. */ |
| struct { |
| /* The number of HOST_WIDE_INTs if the INTEGER_CST is accessed in |
| its native precision. */ |
| unsigned char unextended; |
| |
| /* The number of HOST_WIDE_INTs if the INTEGER_CST is extended to |
| wider precisions based on its TYPE_SIGN. */ |
| unsigned char extended; |
| |
| /* The number of HOST_WIDE_INTs if the INTEGER_CST is accessed in |
| offset_int precision, with smaller integers being extended |
| according to their TYPE_SIGN. This is equal to one of the two |
| fields above but is cached for speed. */ |
| unsigned char offset; |
| } int_length; |
| |
| /* VEC length. This field is only used with TREE_VEC. */ |
| int length; |
| |
| /* This field is only used with VECTOR_CST. */ |
| struct { |
| /* The value of VECTOR_CST_LOG2_NPATTERNS. */ |
| unsigned int log2_npatterns : 8; |
| |
| /* The value of VECTOR_CST_NELTS_PER_PATTERN. */ |
| unsigned int nelts_per_pattern : 8; |
| |
| /* For future expansion. */ |
| unsigned int unused : 16; |
| } vector_cst; |
| |
| /* SSA version number. This field is only used with SSA_NAME. */ |
| unsigned int version; |
| |
| /* CHREC_VARIABLE. This field is only used with POLYNOMIAL_CHREC. */ |
| unsigned int chrec_var; |
| |
| /* Internal function code. */ |
| enum internal_fn ifn; |
| |
| /* OMP_ATOMIC* memory order. */ |
| enum omp_memory_order omp_atomic_memory_order; |
| |
| /* The following two fields are used for MEM_REF and TARGET_MEM_REF |
| expression trees and specify known data non-dependences. For |
| two memory references in a function they are known to not |
| alias if dependence_info.clique are equal and dependence_info.base |
| are distinct. Clique number zero means there is no information, |
| clique number one is populated from function global information |
| and thus needs no remapping on transforms like loop unrolling. */ |
| struct { |
| unsigned short clique; |
| unsigned short base; |
| } dependence_info; |
| } GTY((skip(""))) u; |
| }; |
| |
| /* The following table lists the uses of each of the above flags and |
| for which types of nodes they are defined. |
| |
| addressable_flag: |
| |
| TREE_ADDRESSABLE in |
| VAR_DECL, PARM_DECL, RESULT_DECL, FUNCTION_DECL, LABEL_DECL |
| SSA_NAME |
| all types |
| CONSTRUCTOR, IDENTIFIER_NODE |
| STMT_EXPR |
| |
| CALL_EXPR_TAILCALL in |
| CALL_EXPR |
| |
| CASE_LOW_SEEN in |
| CASE_LABEL_EXPR |
| |
| PREDICT_EXPR_OUTCOME in |
| PREDICT_EXPR |
| |
| static_flag: |
| |
| TREE_STATIC in |
| VAR_DECL, FUNCTION_DECL |
| CONSTRUCTOR |
| |
| TREE_NO_TRAMPOLINE in |
| ADDR_EXPR |
| |
| BINFO_VIRTUAL_P in |
| TREE_BINFO |
| |
| TREE_SYMBOL_REFERENCED in |
| IDENTIFIER_NODE |
| |
| CLEANUP_EH_ONLY in |
| TARGET_EXPR, WITH_CLEANUP_EXPR |
| |
| TRY_CATCH_IS_CLEANUP in |
| TRY_CATCH_EXPR |
| |
| ASM_INPUT_P in |
| ASM_EXPR |
| |
| TYPE_REF_CAN_ALIAS_ALL in |
| POINTER_TYPE, REFERENCE_TYPE |
| |
| CASE_HIGH_SEEN in |
| CASE_LABEL_EXPR |
| |
| ENUM_IS_SCOPED in |
| ENUMERAL_TYPE |
| |
| TRANSACTION_EXPR_OUTER in |
| TRANSACTION_EXPR |
| |
| SSA_NAME_ANTI_RANGE_P in |
| SSA_NAME |
| |
| MUST_TAIL_CALL in |
| CALL_EXPR |
| |
| public_flag: |
| |
| TREE_OVERFLOW in |
| INTEGER_CST, REAL_CST, COMPLEX_CST, VECTOR_CST |
| |
| TREE_PUBLIC in |
| VAR_DECL, FUNCTION_DECL |
| IDENTIFIER_NODE |
| |
| CONSTRUCTOR_NO_CLEARING in |
| CONSTRUCTOR |
| |
| ASM_VOLATILE_P in |
| ASM_EXPR |
| |
| CALL_EXPR_VA_ARG_PACK in |
| CALL_EXPR |
| |
| TYPE_CACHED_VALUES_P in |
| all types |
| |
| SAVE_EXPR_RESOLVED_P in |
| SAVE_EXPR |
| |
| OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE in |
| OMP_CLAUSE_LASTPRIVATE |
| |
| OMP_CLAUSE_PRIVATE_DEBUG in |
| OMP_CLAUSE_PRIVATE |
| |
| OMP_CLAUSE_LINEAR_NO_COPYIN in |
| OMP_CLAUSE_LINEAR |
| |
| OMP_CLAUSE_MAP_ZERO_BIAS_ARRAY_SECTION in |
| OMP_CLAUSE_MAP |
| |
| OMP_CLAUSE_REDUCTION_OMP_ORIG_REF in |
| OMP_CLAUSE_{,TASK_,IN_}REDUCTION |
| |
| OMP_CLAUSE_USE_DEVICE_PTR_IF_PRESENT in |
| OMP_CLAUSE_USE_DEVICE_PTR |
| |
| TRANSACTION_EXPR_RELAXED in |
| TRANSACTION_EXPR |
| |
| FALLTHROUGH_LABEL_P in |
| LABEL_DECL |
| |
| SSA_NAME_IS_VIRTUAL_OPERAND in |
| SSA_NAME |
| |
| EXPR_LOCATION_WRAPPER_P in |
| NON_LVALUE_EXPR, VIEW_CONVERT_EXPR |
| |
| private_flag: |
| |
| TREE_PRIVATE in |
| all decls |
| |
| CALL_EXPR_RETURN_SLOT_OPT in |
| CALL_EXPR |
| |
| OMP_SECTION_LAST in |
| OMP_SECTION |
| |
| OMP_PARALLEL_COMBINED in |
| OMP_PARALLEL |
| |
| OMP_CLAUSE_PRIVATE_OUTER_REF in |
| OMP_CLAUSE_PRIVATE |
| |
| OMP_CLAUSE_LINEAR_NO_COPYOUT in |
| OMP_CLAUSE_LINEAR |
| |
| TYPE_REF_IS_RVALUE in |
| REFERENCE_TYPE |
| |
| ENUM_IS_OPAQUE in |
| ENUMERAL_TYPE |
| |
| protected_flag: |
| |
| TREE_PROTECTED in |
| BLOCK |
| all decls |
| |
| CALL_FROM_THUNK_P and |
| CALL_ALLOCA_FOR_VAR_P and |
| CALL_FROM_NEW_OR_DELETE_P in |
| CALL_EXPR |
| |
| OMP_CLAUSE_LINEAR_VARIABLE_STRIDE in |
| OMP_CLAUSE_LINEAR |
| |
| ASM_INLINE_P in |
| ASM_EXPR |
| |
| side_effects_flag: |
| |
| TREE_SIDE_EFFECTS in |
| all expressions |
| all decls |
| all constants |
| |
| FORCED_LABEL in |
| LABEL_DECL |
| |
| volatile_flag: |
| |
| TREE_THIS_VOLATILE in |
| all expressions |
| all decls |
| |
| TYPE_VOLATILE in |
| all types |
| |
| readonly_flag: |
| |
| TREE_READONLY in |
| all expressions |
| all decls |
| |
| TYPE_READONLY in |
| all types |
| |
| constant_flag: |
| |
| TREE_CONSTANT in |
| all expressions |
| all decls |
| all constants |
| |
| TYPE_SIZES_GIMPLIFIED in |
| all types |
| |
| unsigned_flag: |
| |
| TYPE_UNSIGNED in |
| all types |
| |
| DECL_UNSIGNED in |
| all decls |
| |
| asm_written_flag: |
| |
| TREE_ASM_WRITTEN in |
| VAR_DECL, FUNCTION_DECL, TYPE_DECL |
| RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE |
| BLOCK, STRING_CST |
| |
| SSA_NAME_OCCURS_IN_ABNORMAL_PHI in |
| SSA_NAME |
| |
| used_flag: |
| |
| TREE_USED in |
| all expressions |
| all decls |
| IDENTIFIER_NODE |
| |
| nothrow_flag: |
| |
| TREE_NOTHROW in |
| CALL_EXPR |
| FUNCTION_DECL |
| |
| TREE_THIS_NOTRAP in |
| INDIRECT_REF, MEM_REF, TARGET_MEM_REF, ARRAY_REF, ARRAY_RANGE_REF |
| |
| SSA_NAME_IN_FREE_LIST in |
| SSA_NAME |
| |
| DECL_NONALIASED in |
| VAR_DECL |
| |
| deprecated_flag: |
| |
| TREE_DEPRECATED in |
| all decls |
| all types |
| |
| IDENTIFIER_TRANSPARENT_ALIAS in |
| IDENTIFIER_NODE |
| |
| SSA_NAME_POINTS_TO_READONLY_MEMORY in |
| SSA_NAME |
| |
| unavailable_flag: |
| |
| TREE_UNAVAILABLE in |
| all decls |
| all types |
| |
| visited: |
| |
| TREE_VISITED in |
| all trees (used liberally by many passes) |
| |
| saturating_flag: |
| |
| TYPE_REVERSE_STORAGE_ORDER in |
| RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE, ARRAY_TYPE |
| |
| TYPE_SATURATING in |
| other types |
| |
| VAR_DECL_IS_VIRTUAL_OPERAND in |
| VAR_DECL |
| |
| nowarning_flag: |
| |
| TREE_NO_WARNING in |
| all expressions |
| all decls |
| |
| TYPE_ARTIFICIAL in |
| all types |
| |
| default_def_flag: |
| |
| TYPE_FINAL_P in |
| RECORD_TYPE, UNION_TYPE and QUAL_UNION_TYPE |
| |
| TYPE_VECTOR_OPAQUE in |
| VECTOR_TYPE |
| |
| SSA_NAME_IS_DEFAULT_DEF in |
| SSA_NAME |
| |
| DECL_NONLOCAL_FRAME in |
| VAR_DECL |
| |
| REF_REVERSE_STORAGE_ORDER in |
| BIT_FIELD_REF, MEM_REF |
| |
| FUNC_ADDR_BY_DESCRIPTOR in |
| ADDR_EXPR |
| |
| CALL_EXPR_BY_DESCRIPTOR in |
| CALL_EXPR |
| |
| */ |
| |
| struct GTY(()) tree_typed { |
| struct tree_base base; |
| tree type; |
| }; |
| |
| struct GTY(()) tree_common { |
| struct tree_typed typed; |
| tree chain; |
| }; |
| |
| struct GTY(()) tree_int_cst { |
| struct tree_typed typed; |
| HOST_WIDE_INT val[1]; |
| }; |
| |
| |
| struct GTY(()) tree_real_cst { |
| struct tree_typed typed; |
| struct real_value * real_cst_ptr; |
| }; |
| |
| struct GTY(()) tree_fixed_cst { |
| struct tree_typed typed; |
| struct fixed_value * fixed_cst_ptr; |
| }; |
| |
| struct GTY(()) tree_string { |
| struct tree_typed typed; |
| int length; |
| char str[1]; |
| }; |
| |
| struct GTY(()) tree_complex { |
| struct tree_typed typed; |
| tree real; |
| tree imag; |
| }; |
| |
| struct GTY(()) tree_vector { |
| struct tree_typed typed; |
| tree GTY ((length ("vector_cst_encoded_nelts ((tree) &%h)"))) elts[1]; |
| }; |
| |
| struct GTY(()) tree_poly_int_cst { |
| struct tree_typed typed; |
| tree coeffs[NUM_POLY_INT_COEFFS]; |
| }; |
| |
| struct GTY(()) tree_identifier { |
| struct tree_common common; |
| struct ht_identifier id; |
| }; |
| |
| struct GTY(()) tree_list { |
| struct tree_common common; |
| tree purpose; |
| tree value; |
| }; |
| |
| struct GTY(()) tree_vec { |
| struct tree_common common; |
| tree GTY ((length ("TREE_VEC_LENGTH ((tree)&%h)"))) a[1]; |
| }; |
| |
| /* A single element of a CONSTRUCTOR. VALUE holds the actual value of the |
| element. INDEX can optionally design the position of VALUE: in arrays, |
| it is the index where VALUE has to be placed; in structures, it is the |
| FIELD_DECL of the member. */ |
| struct GTY(()) constructor_elt { |
| tree index; |
| tree value; |
| }; |
| |
| struct GTY(()) tree_constructor { |
| struct tree_typed typed; |
| vec<constructor_elt, va_gc> *elts; |
| }; |
| |
| enum omp_clause_depend_kind |
| { |
| OMP_CLAUSE_DEPEND_IN, |
| OMP_CLAUSE_DEPEND_OUT, |
| OMP_CLAUSE_DEPEND_INOUT, |
| OMP_CLAUSE_DEPEND_MUTEXINOUTSET, |
| OMP_CLAUSE_DEPEND_SOURCE, |
| OMP_CLAUSE_DEPEND_SINK, |
| OMP_CLAUSE_DEPEND_DEPOBJ, |
| OMP_CLAUSE_DEPEND_LAST |
| }; |
| |
| enum omp_clause_proc_bind_kind |
| { |
| /* Numbers should match omp_proc_bind_t enum in omp.h. */ |
| OMP_CLAUSE_PROC_BIND_FALSE = 0, |
| OMP_CLAUSE_PROC_BIND_TRUE = 1, |
| OMP_CLAUSE_PROC_BIND_PRIMARY = 2, |
| OMP_CLAUSE_PROC_BIND_MASTER = 2, |
| OMP_CLAUSE_PROC_BIND_CLOSE = 3, |
| OMP_CLAUSE_PROC_BIND_SPREAD = 4, |
| OMP_CLAUSE_PROC_BIND_LAST |
| }; |
| |
| enum omp_clause_device_type_kind |
| { |
| OMP_CLAUSE_DEVICE_TYPE_HOST = 1, |
| OMP_CLAUSE_DEVICE_TYPE_NOHOST = 2, |
| OMP_CLAUSE_DEVICE_TYPE_ANY = 3 |
| }; |
| |
| enum omp_clause_linear_kind |
| { |
| OMP_CLAUSE_LINEAR_DEFAULT, |
| OMP_CLAUSE_LINEAR_REF, |
| OMP_CLAUSE_LINEAR_VAL, |
| OMP_CLAUSE_LINEAR_UVAL |
| }; |
| |
| struct GTY(()) tree_exp { |
| struct tree_typed typed; |
| location_t locus; |
| tree GTY ((special ("tree_exp"), |
| desc ("TREE_CODE ((tree) &%0)"))) |
| operands[1]; |
| }; |
| |
| /* Immediate use linking structure. This structure is used for maintaining |
| a doubly linked list of uses of an SSA_NAME. */ |
| struct GTY(()) ssa_use_operand_t { |
| struct ssa_use_operand_t* GTY((skip(""))) prev; |
| struct ssa_use_operand_t* GTY((skip(""))) next; |
| /* Immediate uses for a given SSA name are maintained as a cyclic |
| list. To recognize the root of this list, the location field |
| needs to point to the original SSA name. Since statements and |
| SSA names are of different data types, we need this union. See |
| the explanation in struct imm_use_iterator. */ |
| union { gimple *stmt; tree ssa_name; } GTY((skip(""))) loc; |
| tree *GTY((skip(""))) use; |
| }; |
| |
| struct GTY(()) tree_ssa_name { |
| struct tree_typed typed; |
| |
| /* _DECL wrapped by this SSA name. */ |
| tree var; |
| |
| /* Statement that defines this SSA name. */ |
| gimple *def_stmt; |
| |
| /* Value range information. */ |
| union ssa_name_info_type { |
| /* Pointer attributes used for alias analysis. */ |
| struct GTY ((tag ("0"))) ptr_info_def *ptr_info; |
| /* Value range attributes used for zero/sign extension elimination. */ |
| struct GTY ((tag ("1"))) range_info_def *range_info; |
| } GTY ((desc ("%1.typed.type ?" \ |
| "!POINTER_TYPE_P (TREE_TYPE ((tree)&%1)) : 2"))) info; |
| |
| /* Immediate uses list for this SSA_NAME. */ |
| struct ssa_use_operand_t imm_uses; |
| }; |
| |
| struct GTY(()) phi_arg_d { |
| /* imm_use MUST be the first element in struct because we do some |
| pointer arithmetic with it. See phi_arg_index_from_use. */ |
| struct ssa_use_operand_t imm_use; |
| tree def; |
| location_t locus; |
| }; |
| |
| struct GTY(()) tree_omp_clause { |
| struct tree_common common; |
| location_t locus; |
| enum omp_clause_code code; |
| union omp_clause_subcode { |
| enum omp_clause_default_kind default_kind; |
| enum omp_clause_schedule_kind schedule_kind; |
| enum omp_clause_depend_kind depend_kind; |
| /* See include/gomp-constants.h for enum gomp_map_kind's values. */ |
| unsigned int map_kind; |
| enum omp_clause_proc_bind_kind proc_bind_kind; |
| enum tree_code reduction_code; |
| enum omp_clause_linear_kind linear_kind; |
| enum tree_code if_modifier; |
| enum omp_clause_defaultmap_kind defaultmap_kind; |
| enum omp_clause_bind_kind bind_kind; |
| enum omp_clause_device_type_kind device_type_kind; |
| } GTY ((skip)) subcode; |
| |
| /* The gimplification of OMP_CLAUSE_REDUCTION_{INIT,MERGE} for omp-low's |
| usage. */ |
| gimple_seq gimple_reduction_init; |
| gimple_seq gimple_reduction_merge; |
| |
| tree GTY ((length ("omp_clause_num_ops[OMP_CLAUSE_CODE ((tree)&%h)]"))) |
| ops[1]; |
| }; |
| |
| struct GTY(()) tree_block { |
| struct tree_base base; |
| tree chain; |
| |
| unsigned block_num; |
| |
| location_t locus; |
| location_t end_locus; |
| |
| tree vars; |
| vec<tree, va_gc> *nonlocalized_vars; |
| |
| tree subblocks; |
| tree supercontext; |
| tree abstract_origin; |
| tree fragment_origin; |
| tree fragment_chain; |
| |
| /* Pointer to the DWARF lexical block. */ |
| struct die_struct *die; |
| }; |
| |
| struct GTY(()) tree_type_common { |
| struct tree_common common; |
| tree size; |
| tree size_unit; |
| tree attributes; |
| unsigned int uid; |
| |
| unsigned int precision : 10; |
| unsigned no_force_blk_flag : 1; |
| unsigned needs_constructing_flag : 1; |
| unsigned transparent_aggr_flag : 1; |
| unsigned restrict_flag : 1; |
| unsigned contains_placeholder_bits : 2; |
| |
| ENUM_BITFIELD(machine_mode) mode : 8; |
| |
| /* TYPE_STRING_FLAG for INTEGER_TYPE and ARRAY_TYPE. |
| TYPE_CXX_ODR_P for RECORD_TYPE and UNION_TYPE. */ |
| unsigned string_flag : 1; |
| unsigned lang_flag_0 : 1; |
| unsigned lang_flag_1 : 1; |
| unsigned lang_flag_2 : 1; |
| unsigned lang_flag_3 : 1; |
| unsigned lang_flag_4 : 1; |
| unsigned lang_flag_5 : 1; |
| unsigned lang_flag_6 : 1; |
| unsigned lang_flag_7 : 1; |
| |
| /* TYPE_ALIGN in log2; this has to be large enough to hold values |
| of the maximum of BIGGEST_ALIGNMENT and MAX_OFILE_ALIGNMENT, |
| the latter being usually the larger. For ELF it is 8<<28, |
| so we need to store the value 32 (not 31, as we need the zero |
| as well), hence six bits. */ |
| unsigned align : 6; |
| unsigned warn_if_not_align : 6; |
| unsigned typeless_storage : 1; |
| unsigned empty_flag : 1; |
| unsigned indivisible_p : 1; |
| unsigned spare : 16; |
| |
| alias_set_type alias_set; |
| tree pointer_to; |
| tree reference_to; |
| union tree_type_symtab { |
| int GTY ((tag ("TYPE_SYMTAB_IS_ADDRESS"))) address; |
| struct die_struct * GTY ((tag ("TYPE_SYMTAB_IS_DIE"))) die; |
| } GTY ((desc ("debug_hooks->tree_type_symtab_field"))) symtab; |
| tree canonical; |
| tree next_variant; |
| tree main_variant; |
| tree context; |
| tree name; |
| }; |
| |
| struct GTY(()) tree_type_with_lang_specific { |
| struct tree_type_common common; |
| /* Points to a structure whose details depend on the language in use. */ |
| struct lang_type *lang_specific; |
| }; |
| |
| struct GTY(()) tree_type_non_common { |
| struct tree_type_with_lang_specific with_lang_specific; |
| tree values; |
| tree minval; |
| tree maxval; |
| tree lang_1; |
| }; |
| |
| struct GTY (()) tree_binfo { |
| struct tree_common common; |
| |
| tree offset; |
| tree vtable; |
| tree virtuals; |
| tree vptr_field; |
| vec<tree, va_gc> *base_accesses; |
| tree inheritance; |
| |
| tree vtt_subvtt; |
| tree vtt_vptr; |
| |
| vec<tree, va_gc> base_binfos; |
| }; |
| |
| struct GTY(()) tree_decl_minimal { |
| struct tree_common common; |
| location_t locus; |
| unsigned int uid; |
| tree name; |
| tree context; |
| }; |
| |
| struct GTY(()) tree_decl_common { |
| struct tree_decl_minimal common; |
| tree size; |
| |
| ENUM_BITFIELD(machine_mode) mode : 8; |
| |
| unsigned nonlocal_flag : 1; |
| unsigned virtual_flag : 1; |
| unsigned ignored_flag : 1; |
| unsigned abstract_flag : 1; |
| unsigned artificial_flag : 1; |
| unsigned preserve_flag: 1; |
| unsigned debug_expr_is_from : 1; |
| |
| unsigned lang_flag_0 : 1; |
| unsigned lang_flag_1 : 1; |
| unsigned lang_flag_2 : 1; |
| unsigned lang_flag_3 : 1; |
| unsigned lang_flag_4 : 1; |
| unsigned lang_flag_5 : 1; |
| unsigned lang_flag_6 : 1; |
| unsigned lang_flag_7 : 1; |
| unsigned lang_flag_8 : 1; |
| |
| /* In VAR_DECL and PARM_DECL, this is DECL_REGISTER |
| In TRANSLATION_UNIT_DECL, this is TRANSLATION_UNIT_WARN_EMPTY_P. |
| In FIELD_DECL, this is DECL_FIELD_ABI_IGNORED. */ |
| unsigned decl_flag_0 : 1; |
| /* In FIELD_DECL, this is DECL_BIT_FIELD |
| In VAR_DECL and FUNCTION_DECL, this is DECL_EXTERNAL. |
| In TYPE_DECL, this is TYPE_DECL_SUPPRESS_DEBUG. */ |
| unsigned decl_flag_1 : 1; |
| /* In FIELD_DECL, this is DECL_NONADDRESSABLE_P |
| In VAR_DECL, PARM_DECL and RESULT_DECL, this is |
| DECL_HAS_VALUE_EXPR_P. */ |
| unsigned decl_flag_2 : 1; |
| /* In FIELD_DECL, this is DECL_PADDING_P. */ |
| unsigned decl_flag_3 : 1; |
| /* Logically, these two would go in a theoretical base shared by var and |
| parm decl. */ |
| unsigned not_gimple_reg_flag : 1; |
| /* In VAR_DECL, PARM_DECL and RESULT_DECL, this is DECL_BY_REFERENCE. */ |
| unsigned decl_by_reference_flag : 1; |
| /* In a VAR_DECL and PARM_DECL, this is DECL_READ_P. */ |
| unsigned decl_read_flag : 1; |
| /* In a VAR_DECL or RESULT_DECL, this is DECL_NONSHAREABLE. */ |
| /* In a PARM_DECL, this is DECL_HIDDEN_STRING_LENGTH. */ |
| unsigned decl_nonshareable_flag : 1; |
| |
| /* DECL_OFFSET_ALIGN, used only for FIELD_DECLs. */ |
| unsigned int off_align : 6; |
| |
| /* DECL_ALIGN. It should have the same size as TYPE_ALIGN. */ |
| unsigned int align : 6; |
| |
| /* DECL_WARN_IF_NOT_ALIGN. It should have the same size as |
| TYPE_WARN_IF_NOT_ALIGN. */ |
| unsigned int warn_if_not_align : 6; |
| |
| /* 14 bits unused. */ |
| |
| /* UID for points-to sets, stable over copying from inlining. */ |
| unsigned int pt_uid; |
| |
| tree size_unit; |
| tree initial; |
| tree attributes; |
| tree abstract_origin; |
| |
| /* Points to a structure whose details depend on the language in use. */ |
| struct lang_decl *lang_specific; |
| }; |
| |
| struct GTY(()) tree_decl_with_rtl { |
| struct tree_decl_common common; |
| rtx rtl; |
| }; |
| |
| struct GTY(()) tree_field_decl { |
| struct tree_decl_common common; |
| |
| tree offset; |
| tree bit_field_type; |
| tree qualifier; |
| tree bit_offset; |
| tree fcontext; |
| }; |
| |
| struct GTY(()) tree_label_decl { |
| struct tree_decl_with_rtl common; |
| int label_decl_uid; |
| int eh_landing_pad_nr; |
| }; |
| |
| struct GTY(()) tree_result_decl { |
| struct tree_decl_with_rtl common; |
| }; |
| |
| struct GTY(()) tree_const_decl { |
| struct tree_decl_common common; |
| }; |
| |
| struct GTY(()) tree_parm_decl { |
| struct tree_decl_with_rtl common; |
| rtx incoming_rtl; |
| }; |
| |
| struct GTY(()) tree_decl_with_vis { |
| struct tree_decl_with_rtl common; |
| tree assembler_name; |
| struct symtab_node *symtab_node; |
| |
| /* Belong to VAR_DECL exclusively. */ |
| unsigned defer_output : 1; |
| unsigned hard_register : 1; |
| unsigned common_flag : 1; |
| unsigned in_text_section : 1; |
| unsigned in_constant_pool : 1; |
| unsigned dllimport_flag : 1; |
| /* Don't belong to VAR_DECL exclusively. */ |
| unsigned weak_flag : 1; |
| |
| unsigned seen_in_bind_expr : 1; |
| unsigned comdat_flag : 1; |
| /* Used for FUNCTION_DECL, VAR_DECL and in C++ for TYPE_DECL. */ |
| ENUM_BITFIELD(symbol_visibility) visibility : 2; |
| unsigned visibility_specified : 1; |
| |
| /* Belong to FUNCTION_DECL exclusively. */ |
| unsigned init_priority_p : 1; |
| /* Used by C++ only. Might become a generic decl flag. */ |
| unsigned shadowed_for_var_p : 1; |
| /* Belong to FUNCTION_DECL exclusively. */ |
| unsigned cxx_constructor : 1; |
| /* Belong to FUNCTION_DECL exclusively. */ |
| unsigned cxx_destructor : 1; |
| /* Belong to FUNCTION_DECL exclusively. */ |
| unsigned final : 1; |
| /* Belong to FUNCTION_DECL exclusively. */ |
| unsigned regdecl_flag : 1; |
| /* 14 unused bits. */ |
| /* 32 more unused on 64 bit HW. */ |
| }; |
| |
| struct GTY(()) tree_var_decl { |
| struct tree_decl_with_vis common; |
| }; |
| |
| struct GTY(()) tree_decl_non_common { |
| struct tree_decl_with_vis common; |
| /* Almost all FE's use this. */ |
| tree result; |
| }; |
| |
| /* Classify a special function declaration type. */ |
| |
| enum function_decl_type |
| { |
| NONE, |
| OPERATOR_NEW, |
| OPERATOR_DELETE, |
| LAMBDA_FUNCTION |
| |
| /* 0 values left */ |
| }; |
| |
| /* FUNCTION_DECL inherits from DECL_NON_COMMON because of the use of the |
| arguments/result/saved_tree fields by front ends. It was either inherit |
| FUNCTION_DECL from non_common, or inherit non_common from FUNCTION_DECL, |
| which seemed a bit strange. */ |
| |
| struct GTY(()) tree_function_decl { |
| struct tree_decl_non_common common; |
| |
| struct function *f; |
| |
| /* Arguments of the function. */ |
| tree arguments; |
| /* The personality function. Used for stack unwinding. */ |
| tree personality; |
| |
| /* Function specific options that are used by this function. */ |
| tree function_specific_target; /* target options */ |
| tree function_specific_optimization; /* optimization options */ |
| |
| /* Generic function body. */ |
| tree saved_tree; |
| /* Index within a virtual table. */ |
| tree vindex; |
| |
| /* In a FUNCTION_DECL this is DECL_UNCHECKED_FUNCTION_CODE. */ |
| unsigned int function_code; |
| |
| ENUM_BITFIELD(built_in_class) built_in_class : 2; |
| unsigned static_ctor_flag : 1; |
| unsigned static_dtor_flag : 1; |
| unsigned uninlinable : 1; |
| unsigned possibly_inlined : 1; |
| unsigned novops_flag : 1; |
| unsigned returns_twice_flag : 1; |
| |
| unsigned malloc_flag : 1; |
| unsigned declared_inline_flag : 1; |
| unsigned no_inline_warning_flag : 1; |
| unsigned no_instrument_function_entry_exit : 1; |
| unsigned no_limit_stack : 1; |
| unsigned disregard_inline_limits : 1; |
| unsigned pure_flag : 1; |
| unsigned looping_const_or_pure_flag : 1; |
| |
| /* Align the bitfield to boundary of a byte. */ |
| ENUM_BITFIELD(function_decl_type) decl_type: 2; |
| unsigned has_debug_args_flag : 1; |
| unsigned versioned_function : 1; |
| unsigned replaceable_operator : 1; |
| |
| /* 11 bits left for future expansion. */ |
| /* 32 bits on 64-bit HW. */ |
| }; |
| |
| struct GTY(()) tree_translation_unit_decl { |
| struct tree_decl_common common; |
| /* Source language of this translation unit. Used for DWARF output. */ |
| const char * GTY((skip(""))) language; |
| /* TODO: Non-optimization used to build this translation unit. */ |
| /* TODO: Root of a partial DWARF tree for global types and decls. */ |
| }; |
| |
| struct GTY(()) tree_type_decl { |
| struct tree_decl_non_common common; |
| |
| }; |
| |
| struct GTY ((chain_next ("%h.next"), chain_prev ("%h.prev"))) tree_statement_list_node |
| { |
| struct tree_statement_list_node *prev; |
| struct tree_statement_list_node *next; |
| tree stmt; |
| }; |
| |
| struct GTY(()) tree_statement_list |
| { |
| struct tree_typed typed; |
| struct tree_statement_list_node *head; |
| struct tree_statement_list_node *tail; |
| }; |
| |
| |
| /* Optimization options used by a function. */ |
| |
| struct GTY(()) tree_optimization_option { |
| struct tree_base base; |
| |
| /* The optimization options used by the user. */ |
| struct cl_optimization *opts; |
| |
| /* Target optabs for this set of optimization options. This is of |
| type `struct target_optabs *'. */ |
| void *GTY ((atomic)) optabs; |
| |
| /* The value of this_target_optabs against which the optabs above were |
| generated. */ |
| struct target_optabs *GTY ((skip)) base_optabs; |
| }; |
| |
| /* Forward declaration, defined in target-globals.h. */ |
| |
| class GTY(()) target_globals; |
| |
| /* Target options used by a function. */ |
| |
| struct GTY(()) tree_target_option { |
| struct tree_base base; |
| |
| /* Target globals for the corresponding target option. */ |
| class target_globals *globals; |
| |
| /* The optimization options used by the user. */ |
| struct cl_target_option *opts; |
| }; |
| |
| /* Define the overall contents of a tree node. |
| It may be any of the structures declared above |
| for various types of node. */ |
| union GTY ((ptr_alias (union lang_tree_node), |
| desc ("tree_node_structure (&%h)"), variable_size)) tree_node { |
| struct tree_base GTY ((tag ("TS_BASE"))) base; |
| struct tree_typed GTY ((tag ("TS_TYPED"))) typed; |
| struct tree_common GTY ((tag ("TS_COMMON"))) common; |
| struct tree_int_cst GTY ((tag ("TS_INT_CST"))) int_cst; |
| struct tree_poly_int_cst GTY ((tag ("TS_POLY_INT_CST"))) poly_int_cst; |
| struct tree_real_cst GTY ((tag ("TS_REAL_CST"))) real_cst; |
| struct tree_fixed_cst GTY ((tag ("TS_FIXED_CST"))) fixed_cst; |
| struct tree_vector GTY ((tag ("TS_VECTOR"))) vector; |
| struct tree_string GTY ((tag ("TS_STRING"))) string; |
| struct tree_complex GTY ((tag ("TS_COMPLEX"))) complex; |
| struct tree_identifier GTY ((tag ("TS_IDENTIFIER"))) identifier; |
| struct tree_decl_minimal GTY((tag ("TS_DECL_MINIMAL"))) decl_minimal; |
| struct tree_decl_common GTY ((tag ("TS_DECL_COMMON"))) decl_common; |
| struct tree_decl_with_rtl GTY ((tag ("TS_DECL_WRTL"))) decl_with_rtl; |
| struct tree_decl_non_common GTY ((tag ("TS_DECL_NON_COMMON"))) |
| decl_non_common; |
| struct tree_parm_decl GTY ((tag ("TS_PARM_DECL"))) parm_decl; |
| struct tree_decl_with_vis GTY ((tag ("TS_DECL_WITH_VIS"))) decl_with_vis; |
| struct tree_var_decl GTY ((tag ("TS_VAR_DECL"))) var_decl; |
| struct tree_field_decl GTY ((tag ("TS_FIELD_DECL"))) field_decl; |
| struct tree_label_decl GTY ((tag ("TS_LABEL_DECL"))) label_decl; |
| struct tree_result_decl GTY ((tag ("TS_RESULT_DECL"))) result_decl; |
| struct tree_const_decl GTY ((tag ("TS_CONST_DECL"))) const_decl; |
| struct tree_type_decl GTY ((tag ("TS_TYPE_DECL"))) type_decl; |
| struct tree_function_decl GTY ((tag ("TS_FUNCTION_DECL"))) function_decl; |
| struct tree_translation_unit_decl GTY ((tag ("TS_TRANSLATION_UNIT_DECL"))) |
| translation_unit_decl; |
| struct tree_type_common GTY ((tag ("TS_TYPE_COMMON"))) type_common; |
| struct tree_type_with_lang_specific GTY ((tag ("TS_TYPE_WITH_LANG_SPECIFIC"))) |
| type_with_lang_specific; |
| struct tree_type_non_common GTY ((tag ("TS_TYPE_NON_COMMON"))) |
| type_non_common; |
| struct tree_list GTY ((tag ("TS_LIST"))) list; |
| struct tree_vec GTY ((tag ("TS_VEC"))) vec; |
| struct tree_exp GTY ((tag ("TS_EXP"))) exp; |
| struct tree_ssa_name GTY ((tag ("TS_SSA_NAME"))) ssa_name; |
| struct tree_block GTY ((tag ("TS_BLOCK"))) block; |
| struct tree_binfo GTY ((tag ("TS_BINFO"))) binfo; |
| struct tree_statement_list GTY ((tag ("TS_STATEMENT_LIST"))) stmt_list; |
| struct tree_constructor GTY ((tag ("TS_CONSTRUCTOR"))) constructor; |
| struct tree_omp_clause GTY ((tag ("TS_OMP_CLAUSE"))) omp_clause; |
| struct tree_optimization_option GTY ((tag ("TS_OPTIMIZATION"))) optimization; |
| struct tree_target_option GTY ((tag ("TS_TARGET_OPTION"))) target_option; |
| }; |
| |
| /* Structure describing an attribute and a function to handle it. */ |
| struct attribute_spec { |
| /* The name of the attribute (without any leading or trailing __), |
| or NULL to mark the end of a table of attributes. */ |
| const char *name; |
| /* The minimum length of the list of arguments of the attribute. */ |
| int min_length; |
| /* The maximum length of the list of arguments of the attribute |
| (-1 for no maximum). */ |
| int max_length; |
| /* Whether this attribute requires a DECL. If it does, it will be passed |
| from types of DECLs, function return types and array element types to |
| the DECLs, function types and array types respectively; but when |
| applied to a type in any other circumstances, it will be ignored with |
| a warning. (If greater control is desired for a given attribute, |
| this should be false, and the flags argument to the handler may be |
| used to gain greater control in that case.) */ |
| bool decl_required; |
| /* Whether this attribute requires a type. If it does, it will be passed |
| from a DECL to the type of that DECL. */ |
| bool type_required; |
| /* Whether this attribute requires a function (or method) type. If it does, |
| it will be passed from a function pointer type to the target type, |
| and from a function return type (which is not itself a function |
| pointer type) to the function type. */ |
| bool function_type_required; |
| /* Specifies if attribute affects type's identity. */ |
| bool affects_type_identity; |
| /* Function to handle this attribute. NODE points to the node to which |
| the attribute is to be applied. If a DECL, it should be modified in |
| place; if a TYPE, a copy should be created. NAME is the canonicalized |
| name of the attribute i.e. without any leading or trailing underscores. |
| ARGS is the TREE_LIST of the arguments (which may be NULL). FLAGS gives |
| further information about the context of the attribute. Afterwards, the |
| attributes will be added to the DECL_ATTRIBUTES or TYPE_ATTRIBUTES, as |
| appropriate, unless *NO_ADD_ATTRS is set to true (which should be done on |
| error, as well as in any other cases when the attributes should not be |
| added to the DECL or TYPE). Depending on FLAGS, any attributes to be |
| applied to another type or DECL later may be returned; |
| otherwise the return value should be NULL_TREE. This pointer may be |
| NULL if no special handling is required beyond the checks implied |
| by the rest of this structure. */ |
| tree (*handler) (tree *node, tree name, tree args, |
| int flags, bool *no_add_attrs); |
| |
| /* Specifies the name of an attribute that's mutually exclusive with |
| this one, and whether the relationship applies to the function, |
| variable, or type form of the attribute. */ |
| struct exclusions { |
| const char *name; |
| bool function; |
| bool variable; |
| bool type; |
| }; |
| |
| /* An array of attribute exclusions describing names of other attributes |
| that this attribute is mutually exclusive with. */ |
| const exclusions *exclude; |
| }; |
| |
| /* These functions allow a front-end to perform a manual layout of a |
| RECORD_TYPE. (For instance, if the placement of subsequent fields |
| depends on the placement of fields so far.) Begin by calling |
| start_record_layout. Then, call place_field for each of the |
| fields. Then, call finish_record_layout. See layout_type for the |
| default way in which these functions are used. */ |
| typedef struct record_layout_info_s { |
| /* The RECORD_TYPE that we are laying out. */ |
| tree t; |
| /* The offset into the record so far, in bytes, not including bits in |
| BITPOS. */ |
| tree offset; |
| /* The last known alignment of SIZE. */ |
| unsigned int offset_align; |
| /* The bit position within the last OFFSET_ALIGN bits, in bits. */ |
| tree bitpos; |
| /* The alignment of the record so far, in bits. */ |
| unsigned int record_align; |
| /* The alignment of the record so far, ignoring #pragma pack and |
| __attribute__ ((packed)), in bits. */ |
| unsigned int unpacked_align; |
| /* The previous field laid out. */ |
| tree prev_field; |
| /* The static variables (i.e., class variables, as opposed to |
| instance variables) encountered in T. */ |
| vec<tree, va_gc> *pending_statics; |
| /* Bits remaining in the current alignment group */ |
| int remaining_in_alignment; |
| /* True if we've seen a packed field that didn't have normal |
| alignment anyway. */ |
| int packed_maybe_necessary; |
| } *record_layout_info; |
| |
| /* Iterator for going through the function arguments. */ |
| struct function_args_iterator { |
| tree next; /* TREE_LIST pointing to the next argument */ |
| }; |
| |
| /* Structures to map from a tree to another tree. */ |
| struct GTY(()) tree_map_base { |
| tree from; |
| }; |
| |
| /* Map from a tree to another tree. */ |
| |
| struct GTY((for_user)) tree_map { |
| struct tree_map_base base; |
| unsigned int hash; |
| tree to; |
| }; |
| |
| /* Map from a decl tree to another tree. */ |
| struct GTY((for_user)) tree_decl_map { |
| struct tree_map_base base; |
| tree to; |
| }; |
| |
| /* Map from a tree to an int. */ |
| struct GTY((for_user)) tree_int_map { |
| struct tree_map_base base; |
| unsigned int to; |
| }; |
| |
| /* Map from a decl tree to a tree vector. */ |
| struct GTY((for_user)) tree_vec_map { |
| struct tree_map_base base; |
| vec<tree, va_gc> *to; |
| }; |
| |
| /* Abstract iterators for CALL_EXPRs. These static inline definitions |
| have to go towards the end of tree.h so that union tree_node is fully |
| defined by this point. */ |
| |
| /* Structure containing iterator state. */ |
| struct call_expr_arg_iterator { |
| tree t; /* the call_expr */ |
| int n; /* argument count */ |
| int i; /* next argument index */ |
| }; |
| |
| struct const_call_expr_arg_iterator { |
| const_tree t; /* the call_expr */ |
| int n; /* argument count */ |
| int i; /* next argument index */ |
| }; |
| |
| /* The builtin_info structure holds the FUNCTION_DECL of the standard builtin |
| function, and flags. */ |
| struct GTY(()) builtin_info_type { |
| tree decl; |
| /* Whether the user can use <xxx> instead of explicitly using calls |
| to __builtin_<xxx>. */ |
| unsigned implicit_p : 1; |
| /* Whether the user has provided a declaration of <xxx>. */ |
| unsigned declared_p : 1; |
| }; |
| |
| /* Information about a _FloatN or _FloatNx type that may be |
| supported. */ |
| struct floatn_type_info { |
| /* The number N in the type name. */ |
| int n; |
| /* Whether it is an extended type _FloatNx (true) or an interchange |
| type (false). */ |
| bool extended; |
| }; |
| |
| |
| /*--------------------------------------------------------------------------- |
| Global variables |
| ---------------------------------------------------------------------------*/ |
| /* Matrix describing the structures contained in a given tree code. */ |
| extern bool tree_contains_struct[MAX_TREE_CODES][64]; |
| |
| /* Class of tree given its code. */ |
| extern const enum tree_code_class tree_code_type[]; |
| |
| /* Each tree code class has an associated string representation. |
| These must correspond to the tree_code_class entries. */ |
| extern const char *const tree_code_class_strings[]; |
| |
| /* Number of argument-words in each kind of tree-node. */ |
| extern const unsigned char tree_code_length[]; |
| |
| /* Vector of all alias pairs for global symbols. */ |
| extern GTY(()) vec<alias_pair, va_gc> *alias_pairs; |
| |
| /* Names of all the built_in classes. */ |
| extern const char *const built_in_class_names[BUILT_IN_LAST]; |
| |
| /* Names of all the built_in functions. */ |
| extern const char * built_in_names[(int) END_BUILTINS]; |
| |
| /* Number of operands and names for each OMP_CLAUSE node. */ |
| extern unsigned const char omp_clause_num_ops[]; |
| extern const char * const omp_clause_code_name[]; |
| |
| /* A vector of all translation-units. */ |
| extern GTY (()) vec<tree, va_gc> *all_translation_units; |
| |
| /* Vector of standard trees used by the C compiler. */ |
| extern GTY(()) tree global_trees[TI_MAX]; |
| |
| /* The standard C integer types. Use integer_type_kind to index into |
| this array. */ |
| extern GTY(()) tree integer_types[itk_none]; |
| |
| /* Types used to represent sizes. */ |
| extern GTY(()) tree sizetype_tab[(int) stk_type_kind_last]; |
| |
| /* Arrays for keeping track of tree node statistics. */ |
| extern uint64_t tree_node_counts[]; |
| extern uint64_t tree_node_sizes[]; |
| |
| /* True if we are in gimple form and the actions of the folders need to |
| be restricted. False if we are not in gimple form and folding is not |
| restricted to creating gimple expressions. */ |
| extern bool in_gimple_form; |
| |
| /* Functional interface to the builtin functions. */ |
| extern GTY(()) builtin_info_type builtin_info[(int)END_BUILTINS]; |
| |
| /* If nonzero, an upper limit on alignment of structure fields, in bits, */ |
| extern unsigned int maximum_field_alignment; |
| |
| /* Points to the FUNCTION_DECL of the function whose body we are reading. */ |
| extern GTY(()) tree current_function_decl; |
| |
| /* Nonzero means a FUNC_BEGIN label was emitted. */ |
| extern GTY(()) const char * current_function_func_begin_label; |
| |
| /* Information about the _FloatN and _FloatNx types. */ |
| extern const floatn_type_info floatn_nx_types[NUM_FLOATN_NX_TYPES]; |
| |
| #endif // GCC_TREE_CORE_H |