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| author | Ulrich Drepper <drepper@redhat.com> | 2010-09-03 04:42:44 -0700 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2010-09-03 04:42:44 -0700 |
| commit | 4ac42e193ff3f526549e5099f5d2a4139762215a (patch) | |
| tree | e244028b1fee3815d27d930645b59aecc102be1d | |
| parent | 0959ffc97b738c489087bcf45578c1580a87e66d (diff) | |
| download | glibc-4ac42e193ff3f526549e5099f5d2a4139762215a.tar.gz glibc-4ac42e193ff3f526549e5099f5d2a4139762215a.tar.xz glibc-4ac42e193ff3f526549e5099f5d2a4139762215a.zip | |
Small optimization of alloca handling.
| -rw-r--r-- | nptl/ChangeLog | 5 | ||||
| -rw-r--r-- | nptl/sysdeps/pthread/allocalim.h | 4 |
2 files changed, 7 insertions, 2 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog index d4a1deb220..30631dcd16 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,3 +1,8 @@ +2010-09-03 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/pthread/allocalim.h (__libc_use_alloca): Expect blocks are + small. + 2010-08-10 Dinakar Guniguntala <dino@in.ibm.com> Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> diff --git a/nptl/sysdeps/pthread/allocalim.h b/nptl/sysdeps/pthread/allocalim.h index f13c3a3305..8265db1c48 100644 --- a/nptl/sysdeps/pthread/allocalim.h +++ b/nptl/sysdeps/pthread/allocalim.h @@ -1,5 +1,5 @@ /* Determine whether block of given size can be allocated on the stack or not. - Copyright (C) 2002, 2006 Free Software Foundation, Inc. + Copyright (C) 2002, 2006, 2010 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -26,5 +26,5 @@ __always_inline __libc_use_alloca (size_t size) { return (__builtin_expect (size <= PTHREAD_STACK_MIN / 4, 1) - || __libc_alloca_cutoff (size)); + || __builtin_expect (__libc_alloca_cutoff (size), 1)); } |