diff options
Diffstat (limited to 'gcc/tree.h')
| -rw-r--r-- | gcc/tree.h | 72 |
1 files changed, 40 insertions, 32 deletions
@@ -67,8 +67,8 @@ extern int tree_code_length[MAX_TREE_CODES]; extern const char *tree_code_name[MAX_TREE_CODES]; -/* Classify which part of the compiler has defined a given builtin - function. */ +/* 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, @@ -76,6 +76,10 @@ enum built_in_class BUILT_IN_MD, BUILT_IN_NORMAL }; + +/* Names for the above. */ +extern char *built_in_class_names[4]; + /* Codes that identify the various built in functions so that expand_call can identify them quickly. */ @@ -149,6 +153,9 @@ enum built_in_function /* Upper bound on non-language-specific builtins. */ END_BUILTINS }; + +/* Names for the above. */ +extern char *built_in_names[(int) END_BUILTINS]; /* The definition of tree nodes fills the next several pages. */ @@ -951,7 +958,7 @@ struct tree_type unsigned char precision; #ifdef ONLY_INT_FIELDS - int mode : 8; + unsigned int mode : 8; #else enum machine_mode mode : 8; #endif @@ -1146,7 +1153,7 @@ struct tree_type /* Likewise for the size in bytes. */ #define DECL_SIZE_UNIT(NODE) (DECL_CHECK (NODE)->decl.size_unit) /* Holds the alignment required for the datum. */ -#define DECL_ALIGN(NODE) (DECL_CHECK (NODE)->decl.frame_size.u) +#define DECL_ALIGN(NODE) (DECL_CHECK (NODE)->decl.u1.u) /* Holds the machine mode corresponding to the declaration of a variable or field. Always equal to TYPE_MODE (TREE_TYPE (decl)) except for a FIELD_DECL. */ @@ -1162,18 +1169,15 @@ struct tree_type #define DECL_LIVE_RANGE_RTL(NODE) (DECL_CHECK (NODE)->decl.live_range_rtl) /* For PARM_DECL, holds an RTL for the stack slot or register where the data was actually passed. */ -#define DECL_INCOMING_RTL(NODE) (DECL_CHECK (NODE)->decl.saved_insns.r) +#define DECL_INCOMING_RTL(NODE) (DECL_CHECK (NODE)->decl.u2.r) /* For FUNCTION_DECL, if it is inline, holds the saved insn chain. */ -#define DECL_SAVED_INSNS(NODE) (DECL_CHECK (NODE)->decl.saved_insns.f) +#define DECL_SAVED_INSNS(NODE) (DECL_CHECK (NODE)->decl.u2.f) /* For FUNCTION_DECL, if it is inline, holds the size of the stack frame, as an integer. */ -#define DECL_FRAME_SIZE(NODE) (DECL_CHECK (NODE)->decl.frame_size.i) +#define DECL_FRAME_SIZE(NODE) (DECL_CHECK (NODE)->decl.u1.i) /* For FUNCTION_DECL, if it is built-in, this identifies which built-in operation it is. */ -#define DECL_FUNCTION_CODE(NODE) (DECL_CHECK (NODE)->decl.frame_size.f.code) -#define DECL_SET_FUNCTION_CODE(NODE,VAL) (DECL_CHECK (NODE)->decl.frame_size.f.code = (VAL)) -/* For a FIELD_DECL, holds the size of the member as an integer. */ -#define DECL_FIELD_SIZE(NODE) (DECL_CHECK (NODE)->decl.saved_insns.i) +#define DECL_FUNCTION_CODE(NODE) (DECL_CHECK (NODE)->decl.u1.f) /* The DECL_VINDEX is used for FUNCTION_DECLS in two different ways. Before the struct containing the FUNCTION_DECL is laid out, @@ -1297,7 +1301,7 @@ struct tree_type /* In a FUNCTION_DECL, nonzero means a built in function. */ #define DECL_BUILT_IN(NODE) (DECL_BUILT_IN_CLASS (NODE) != NOT_BUILT_IN) /* For a builtin function, identify which part of the compiler defined it. */ -#define DECL_BUILT_IN_CLASS(NODE) (DECL_CHECK (NODE)->decl.frame_size.f.bclass) +#define DECL_BUILT_IN_CLASS(NODE) (DECL_CHECK (NODE)->decl.built_in_class) /* In a VAR_DECL that's static, nonzero if the space is in the text section. */ @@ -1410,6 +1414,18 @@ struct tree_decl unsigned artificial_flag : 1; unsigned weak_flag : 1; + unsigned non_addr_const_p : 1; + unsigned no_instrument_function_entry_exit : 1; + unsigned no_check_memory_usage : 1; + unsigned comdat_flag : 1; + unsigned malloc_flag : 1; + unsigned no_limit_stack : 1; +#ifdef ONLY_INT_FIELDS + unsigned int built_in_class : 2; +#else + enum built_in_class built_in_class : 2; +#endif + unsigned lang_flag_0 : 1; unsigned lang_flag_1 : 1; unsigned lang_flag_2 : 1; @@ -1419,25 +1435,14 @@ struct tree_decl unsigned lang_flag_6 : 1; unsigned lang_flag_7 : 1; - unsigned non_addr_const_p : 1; - unsigned no_instrument_function_entry_exit : 1; - unsigned no_check_memory_usage : 1; - unsigned comdat_flag : 1; - unsigned malloc_flag : 1; - unsigned no_limit_stack : 1; - /* For a FUNCTION_DECL, if inline, this is the size of frame needed. If built-in, this is the code for which built-in function. For other kinds of decls, this is DECL_ALIGN. */ union { - int i; + HOST_WIDE_INT i; unsigned int u; - struct - { - unsigned int code:24; - unsigned int bclass:8; - } f; - } frame_size; + enum built_in_function f; + } u1; union tree_node *size_unit; union tree_node *name; @@ -1449,17 +1454,20 @@ struct tree_decl union tree_node *assembler_name; union tree_node *section_name; union tree_node *machine_attributes; - struct rtx_def *rtl; /* acts as link to register transfer language - (rtl) info */ + struct rtx_def *rtl; /* RTL representation for object. */ struct rtx_def *live_range_rtl; - /* For FUNCTION_DECLs: points to insn that constitutes its definition - on the permanent obstack. For FIELD_DECL, this is DECL_FIELD_SIZE. */ + /* In FUNCTION_DECL, if it is inline, holds the saved insn chain. + In PARM_DECL, holds an RTL for the stack slot + of register where the data was actually passed. + Used by Chill and Java in LABEL_DECL and by C++ and Java in VAR_DECL. */ union { struct function *f; struct rtx_def *r; - HOST_WIDE_INT i; - } saved_insns; + union tree_node *t; + int i; + } u2; + union tree_node *vindex; int pointer_alias_set; /* Points to a structure whose details depend on the language in use. */ |