Update copyright years.

[thirdparty/gcc.git] / gcc / tree-core.h

diff --git a/gcc/tree-core.h b/gcc/tree-core.h
index a1aea136e752cbeba7b164cadb71c07782547391..d1c7136c20456d0b4d78d03618d2e5d7e2eafd59 100644 (file)
--- a/gcc/tree-core.h
+++ b/gcc/tree-core.h
@@ -1,5 +1,5 @@
 /* Core data structures for the 'tree' type.
-   Copyright (C) 1989-2023 Free Software Foundation, Inc.
+   Copyright (C) 1989-2024 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -95,6 +95,9 @@ struct die_struct;
 /* Nonzero if this is a cold function.  */
 #define ECF_COLD                 (1 << 15)
 
+/* Nonzero if this is a function expected to end with an exception.  */
+#define ECF_XTHROW               (1 << 16)
+
 /* Call argument flags.  */
 
 /* Nonzero if the argument is not used by the function.  */
@@ -347,6 +350,9 @@ enum omp_clause_code {
   /* OpenMP clause: doacross ({source,sink}:vec).  */
   OMP_CLAUSE_DOACROSS,
 
+  /* OpenMP clause: indirect [(constant-integer-expression)].  */
+  OMP_CLAUSE_INDIRECT,
+
   /* Internal structure to hold OpenACC cache directive's variable-list.
      #pragma acc cache (variable-list).  */
   OMP_CLAUSE__CACHE_,
@@ -386,6 +392,9 @@ enum omp_clause_code {
   /* OpenACC/OpenMP clause: if (scalar-expression).  */
   OMP_CLAUSE_IF,
 
+  /* OpenACC clause: self.  */
+  OMP_CLAUSE_SELF,
+
   /* OpenMP clause: num_threads (integer-expression).  */
   OMP_CLAUSE_NUM_THREADS,
 
@@ -558,6 +567,7 @@ enum omp_clause_default_kind {
 
 enum omp_clause_defaultmap_kind {
   OMP_CLAUSE_DEFAULTMAP_CATEGORY_UNSPECIFIED,
+  OMP_CLAUSE_DEFAULTMAP_CATEGORY_ALL,
   OMP_CLAUSE_DEFAULTMAP_CATEGORY_SCALAR,
   OMP_CLAUSE_DEFAULTMAP_CATEGORY_AGGREGATE,
   OMP_CLAUSE_DEFAULTMAP_CATEGORY_ALLOCATABLE,
@@ -572,7 +582,8 @@ enum omp_clause_defaultmap_kind {
   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)
+  OMP_CLAUSE_DEFAULTMAP_PRESENT = 8 * (OMP_CLAUSE_DEFAULTMAP_CATEGORY_MASK + 1),
+  OMP_CLAUSE_DEFAULTMAP_MASK = 15 * (OMP_CLAUSE_DEFAULTMAP_CATEGORY_MASK + 1)
 };
 
 enum omp_clause_bind_kind {
@@ -975,12 +986,19 @@ enum annot_expr_kind {
   annot_expr_kind_last
 };
 
-/* The kind of a TREE_CLOBBER_P CONSTRUCTOR node.  */
+/* The kind of a TREE_CLOBBER_P CONSTRUCTOR node.  Other than _UNDEF, these are
+   in roughly sequential order.  */
 enum clobber_kind {
   /* Unspecified, this clobber acts as a store of an undefined value.  */
   CLOBBER_UNDEF,
-  /* This clobber ends the lifetime of the storage.  */
-  CLOBBER_EOL,
+  /* Beginning of storage duration, e.g. malloc.  */
+  CLOBBER_STORAGE_BEGIN,
+  /* Beginning of object lifetime, e.g. C++ constructor.  */
+  CLOBBER_OBJECT_BEGIN,
+  /* End of object lifetime, e.g. C++ destructor.  */
+  CLOBBER_OBJECT_END,
+  /* End of storage duration, e.g. free.  */
+  CLOBBER_STORAGE_END,
   CLOBBER_LAST
 };
 
@@ -1074,10 +1092,11 @@ struct GTY(()) tree_base {
 
       unsigned spare1 : 8;
 
-      /* This field is only used with TREE_TYPE nodes; the only reason it is
+      /* For _TYPE nodes, this is TYPE_ADDR_SPACE; the 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.
-        For CONSTRUCTOR nodes this holds the clobber_kind enum.  */
+        For CONSTRUCTOR nodes this holds the clobber_kind enum.
+        The C++ front-end uses this in IDENTIFIER_NODE and NAMESPACE_DECL.  */
       unsigned address_space : 8;
     } bits;
 
@@ -1089,17 +1108,11 @@ struct GTY(()) tree_base {
     struct {
       /* The number of HOST_WIDE_INTs if the INTEGER_CST is accessed in
         its native precision.  */
-      unsigned char unextended;
+      unsigned short 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;
+      unsigned short extended;
     } int_length;
 
     /* VEC length.  This field is only used with TREE_VEC.  */
@@ -1381,6 +1394,9 @@ struct GTY(()) tree_base {
        DECL_NONALIASED in
          VAR_DECL
 
+       CHREC_NOWRAP in
+         POLYNOMIAL_CHREC
+
    deprecated_flag:
 
        TREE_DEPRECATED in
@@ -1680,8 +1696,9 @@ struct GTY(()) tree_type_common {
   tree attributes;
   unsigned int uid;
 
+  ENUM_BITFIELD(machine_mode) mode : MACHINE_MODE_BITSIZE;
+
   unsigned int precision : 16;
-  ENUM_BITFIELD(machine_mode) mode : 8;
   unsigned lang_flag_0 : 1;
   unsigned lang_flag_1 : 1;
   unsigned lang_flag_2 : 1;
@@ -1711,8 +1728,10 @@ struct GTY(()) tree_type_common {
   unsigned typeless_storage : 1;
   unsigned empty_flag : 1;
   unsigned indivisible_p : 1;
+  /* TYPE_NO_NAMED_ARGS_STDARG_P for a stdarg function.
+     Or TYPE_INCLUDES_FLEXARRAY for RECORD_TYPE and UNION_TYPE.  */
   unsigned no_named_args_stdarg_p : 1;
-  unsigned spare : 9;
+  unsigned spare : 1;
 
   alias_set_type alias_set;
   tree pointer_to;
@@ -1770,7 +1789,7 @@ struct GTY(()) tree_decl_common {
   struct tree_decl_minimal common;
   tree size;
 
-  ENUM_BITFIELD(machine_mode) mode : 8;
+  ENUM_BITFIELD(machine_mode) mode : MACHINE_MODE_BITSIZE;
 
   unsigned nonlocal_flag : 1;
   unsigned virtual_flag : 1;
@@ -1802,7 +1821,8 @@ struct GTY(()) tree_decl_common {
      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.  */
+  /* In FIELD_DECL, this is DECL_PADDING_P.
+     In VAR_DECL, this is DECL_MERGEABLE.  */
   unsigned decl_flag_3 : 1;
   /* Logically, these two would go in a theoretical base shared by var and
      parm decl. */
@@ -1828,7 +1848,7 @@ struct GTY(()) tree_decl_common {
   /* In FIELD_DECL, this is DECL_NOT_FLEXARRAY.  */
   unsigned int decl_not_flexarray : 1;
 
-  /* 13 bits unused.  */
+  /* 5 bits unused.  */
 
   /* UID for points-to sets, stable over copying from inlining.  */
   unsigned int pt_uid;