diff options
Diffstat (limited to 'gas/frags.c')
| -rw-r--r-- | gas/frags.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/gas/frags.c b/gas/frags.c index 21fe26287d..6dae8bc9c2 100644 --- a/gas/frags.c +++ b/gas/frags.c @@ -91,7 +91,14 @@ frag_grow (unsigned int nchars) frag_wane (frag_now); frag_new (0); oldc = frchain_now->frch_obstack.chunk_size; - frchain_now->frch_obstack.chunk_size = 2 * nchars + SIZEOF_STRUCT_FRAG; + /* Try to allocate a bit more than needed right now. But don't do + this if we would waste too much memory. Especially necessary + for extremely big (like 2GB initialized) frags. */ + if (nchars < 0x10000) + frchain_now->frch_obstack.chunk_size = 2 * nchars; + else + frchain_now->frch_obstack.chunk_size = nchars + 0x10000; + frchain_now->frch_obstack.chunk_size += SIZEOF_STRUCT_FRAG; if (frchain_now->frch_obstack.chunk_size > 0) while ((n = obstack_room (&frchain_now->frch_obstack)) < nchars && (unsigned long) frchain_now->frch_obstack.chunk_size > nchars) |