diff options
Diffstat (limited to 'gcc/tree.h')
| -rw-r--r-- | gcc/tree.h | 46 |
1 files changed, 36 insertions, 10 deletions
@@ -117,6 +117,16 @@ typedef union tree_node *tree; #define NULL_TREE (tree) NULL +/* Define a generic NULL if one hasn't already been defined. */ + +#ifndef NULL +#define NULL 0 +#endif + +#ifndef NULL_PTR +#define NULL_PTR (char *) NULL +#endif + /* Every kind of tree node starts with this structure, so all nodes have these fields. @@ -312,28 +322,32 @@ struct tree_common /* Define additional fields and accessors for nodes representing constants. */ -/* In an INTEGER_CST node. These two together make a 64 bit integer. - If the data type is signed, the value is sign-extended to 64 bits +/* In an INTEGER_CST node. These two together make a 2-word integer. + If the data type is signed, the value is sign-extended to 2 words even though not all of them may really be in use. - In an unsigned constant shorter than 64 bits, the extra bits are 0. */ + In an unsigned constant shorter than 2 words, the extra bits are 0. */ #define TREE_INT_CST_LOW(NODE) ((NODE)->int_cst.int_cst_low) #define TREE_INT_CST_HIGH(NODE) ((NODE)->int_cst.int_cst_high) #define INT_CST_LT(A, B) \ (TREE_INT_CST_HIGH (A) < TREE_INT_CST_HIGH (B) \ || (TREE_INT_CST_HIGH (A) == TREE_INT_CST_HIGH (B) \ - && ((unsigned) TREE_INT_CST_LOW (A) < (unsigned) TREE_INT_CST_LOW (B)))) + && ((unsigned HOST_WIDE_INT) TREE_INT_CST_LOW (A) \ + < (unsigned HOST_WIDE_INT) TREE_INT_CST_LOW (B)))) #define INT_CST_LT_UNSIGNED(A, B) \ -((unsigned) TREE_INT_CST_HIGH (A) < (unsigned) TREE_INT_CST_HIGH (B) \ - || ((unsigned) TREE_INT_CST_HIGH (A) == (unsigned) TREE_INT_CST_HIGH (B) \ - && ((unsigned) TREE_INT_CST_LOW (A) < (unsigned) TREE_INT_CST_LOW (B)))) +(((unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (A) \ + < (unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (B)) \ + || (((unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (A) \ + == (unsigned HOST_WIDE_INT ) TREE_INT_CST_HIGH (B)) \ + && (((unsigned HOST_WIDE_INT) TREE_INT_CST_LOW (A) \ + < (unsigned HOST_WIDE_INT) TREE_INT_CST_LOW (B))))) struct tree_int_cst { char common[sizeof (struct tree_common)]; - long int_cst_low; - long int_cst_high; + HOST_WIDE_INT int_cst_low; + HOST_WIDE_INT int_cst_high; }; /* In REAL_CST, STRING_CST, COMPLEX_CST nodes, and CONSTRUCTOR nodes, @@ -856,6 +870,15 @@ union tree_node #define CONSTRUCTOR_NAME_FORMAT "_GLOBAL_.I.%s" #endif +/* The following functions accept a wide integer argument. Rather than + having to cast on every function call, we use a macro instead, that is + defined here and in rtl.h. */ + +#ifndef exact_log2 +#define exact_log2(N) exact_log2_wide ((HOST_WIDE_INT) (N)) +#define floor_log2(N) floor_log2_wide ((HOST_WIDE_INT) (N)) +#endif + extern char *oballoc (); extern char *permalloc (); extern char *savealloc (); @@ -890,7 +913,10 @@ extern tree get_identifier (); /* Construct various types of nodes. */ -extern tree build_int_2 (); +#define build_int_2(LO,HI) \ + build_int_2_wide ((HOST_WIDE_INT) (LO), (HOST_WIDE_INT) (HI)) + +extern tree build_int_2_wide (); extern tree build_real (); extern tree build_real_from_string (); extern tree build_real_from_int_cst (); |