diff options
Diffstat (limited to 'gcc/c-cppbuiltin.c')
| -rw-r--r-- | gcc/c-cppbuiltin.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/c-cppbuiltin.c b/gcc/c-cppbuiltin.c index 35c1645..a396b6b 100644 --- a/gcc/c-cppbuiltin.c +++ b/gcc/c-cppbuiltin.c @@ -339,6 +339,15 @@ cb_register_builtins (pfile) /* Misc. */ builtin_define_with_value ("__VERSION__", version_string, 1); + /* Definitions for LP64 model. */ + if (TYPE_PRECISION (long_integer_type_node) == 64 + && POINTER_SIZE == 64 + && TYPE_PRECISION (integer_type_node) == 32) + { + cpp_define (pfile, "_LP64"); + cpp_define (pfile, "__LP64__"); + } + /* Other target-independent built-ins determined by command-line options. */ if (optimize_size) |