diff options
Diffstat (limited to 'gcc/tree.h')
| -rw-r--r-- | gcc/tree.h | 17 |
1 files changed, 12 insertions, 5 deletions
@@ -2555,10 +2555,10 @@ struct tree_memory_tag GTY(()) bitmap GTY ((skip)) aliases; /* True if this tag has global scope. */ - unsigned int is_global:1; + unsigned int is_global : 1; - /* True if this SFT is for a field in a nested structure. */ - unsigned int in_nested_struct : 1; + /* True if this tag should not be grouped into a memory partition. */ + unsigned int unpartitionable : 1; }; #define MTAG_GLOBAL(NODE) (TREE_MEMORY_TAG_CHECK (NODE)->mtag.is_global) @@ -2579,6 +2579,11 @@ struct tree_struct_field_tag GTY(()) /* Alias set for a DECL_NONADDRESSABLE_P field. Otherwise -1. */ alias_set_type alias_set; + + /* Nesting level for this subvariable. This indicates how many + structures are wrapping this field. Fields at the top level have + a nesting level of 0. */ + unsigned int nesting_level; }; #define SFT_PARENT_VAR(NODE) (STRUCT_FIELD_TAG_CHECK (NODE)->sft.parent_var) @@ -2587,8 +2592,10 @@ struct tree_struct_field_tag GTY(()) #define SFT_NONADDRESSABLE_P(NODE) \ (STRUCT_FIELD_TAG_CHECK (NODE)->sft.alias_set != -1) #define SFT_ALIAS_SET(NODE) (STRUCT_FIELD_TAG_CHECK (NODE)->sft.alias_set) -#define SFT_IN_NESTED_STRUCT(NODE) \ - (STRUCT_FIELD_TAG_CHECK (NODE)->sft.common.in_nested_struct) +#define SFT_NESTING_LEVEL(NODE) \ + (STRUCT_FIELD_TAG_CHECK (NODE)->sft.nesting_level) +#define SFT_UNPARTITIONABLE_P(NODE) \ + (STRUCT_FIELD_TAG_CHECK (NODE)->sft.common.unpartitionable) /* Memory Partition Tags (MPTs) group memory symbols under one common name for the purposes of placing memory PHI nodes. */ |