diff options
Diffstat (limited to 'gcc/tree.h')
| -rw-r--r-- | gcc/tree.h | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/gcc/tree.h b/gcc/tree.h index 4ec4321663a..55e19c0afc8 100644 --- a/gcc/tree.h +++ b/gcc/tree.h @@ -1341,8 +1341,27 @@ struct tree_type PROMOTED_MODE is defined, the mode of this expression may not be same as DECL_MODE. In that case, DECL_MODE contains the mode corresponding to the variable's data type, while the mode - of DECL_RTL is the mode actually used to contain the data. */ -#define DECL_RTL(NODE) (DECL_CHECK (NODE)->decl.rtl) + of DECL_RTL is the mode actually used to contain the data. + + This value can be evaluated lazily for functions, variables with + static storage duration, and labels. */ +#define DECL_RTL(NODE) \ + (DECL_CHECK (NODE)->decl.rtl \ + ? (NODE)->decl.rtl \ + : (make_decl_rtl (NODE, NULL), (NODE)->decl.rtl)) +/* Set the DECL_RTL for NODE to RTL. */ +#define SET_DECL_RTL(NODE, RTL) \ + (DECL_CHECK (NODE)->decl.rtl = (RTL)) +/* Returns non-zero if the DECL_RTL for NODE has already been set. */ +#define DECL_RTL_SET_P(NODE) \ + (DECL_CHECK (NODE)->decl.rtl != NULL) +/* Copy the RTL from NODE1 to NODE2. If the RTL was not set for + NODE1, it will not be set for NODE2; this is a lazy copy. */ +#define COPY_DECL_RTL(NODE1, NODE2) \ + (DECL_CHECK (NODE2)->decl.rtl = DECL_CHECK (NODE1)->decl.rtl) +/* The DECL_RTL for NODE, if it is set, or NULL, if it is not set. */ +#define DECL_RTL_IF_SET(NODE) \ + (DECL_RTL_SET_P (NODE) ? DECL_RTL (NODE) : NULL) /* Holds an INSN_LIST of all of the live ranges in which the variable has been moved to a possibly different register. */ #define DECL_LIVE_RANGE_RTL(NODE) (DECL_CHECK (NODE)->decl.live_range_rtl) |
