diff options
Diffstat (limited to 'gcc/stringpool.c')
| -rw-r--r-- | gcc/stringpool.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/stringpool.c b/gcc/stringpool.c index 32381e0..20db021 100644 --- a/gcc/stringpool.c +++ b/gcc/stringpool.c @@ -40,6 +40,13 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA /* The "" allocated string. */ const char empty_string[] = ""; +/* Character strings, each containing a single decimal digit. + Written this way to save space. */ +const char digit_vector[] = { + '0', 0, '1', 0, '2', 0, '3', 0, '4', 0, + '5', 0, '6', 0, '7', 0, '8', 0, '9', 0 +}; + static struct obstack string_stack; /* This is the hash entry associated with each string. It lives in @@ -262,6 +269,8 @@ ggc_alloc_string (contents, length) if (length == 0) return empty_string; + if (length == 1 && contents[0] >= '0' && contents[0] <= '9') + return digit_string (contents[0] - '0'); str = alloc_string (contents, length, INSERT); return str->ptr; |