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authorUlrich Drepper <drepper@redhat.com>1999-07-16 23:16:52 +0000
committerUlrich Drepper <drepper@redhat.com>1999-07-16 23:16:52 +0000
commit76a16b8fcb8a61a469648844183fb6c04c39725c (patch)
tree35966ce238573f5a19acc39c5c288554022dea7e /linuxthreads
parent9c6f68cdc9aa83deb3b7d4505e30ba37055b8aec (diff)
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Update.
1999-07-16 Andreas Jaeger <aj@arthur.rhein-neckar.de> * linuxthreads/internals.h: Align _pthread_descr_struct to 32 bytes. Reported by Tim Hockin <thockin@cobaltnet.com>, close PR libc/1206.
Diffstat (limited to 'linuxthreads')
-rw-r--r--linuxthreads/ChangeLog7
-rw-r--r--linuxthreads/internals.h7
2 files changed, 13 insertions, 1 deletions
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog
index 8432d2d..48a46c8 100644
--- a/linuxthreads/ChangeLog
+++ b/linuxthreads/ChangeLog
@@ -1,3 +1,10 @@
+1999-07-16 Andreas Jaeger <aj@arthur.rhein-neckar.de>
+
+ * linuxthreads/internals.h: Align _pthread_descr_struct to 32
+ bytes.
+ Reported by Tim Hockin <thockin@cobaltnet.com>, close PR
+ libc/1206.
+
1999-07-09 Ulrich Drepper <drepper@cygnus.com>
* oldsemaphore.c (sem_compare_and_swap): Fix use of compare and
diff --git a/linuxthreads/internals.h b/linuxthreads/internals.h
index bcbfbcf..032e086 100644
--- a/linuxthreads/internals.h
+++ b/linuxthreads/internals.h
@@ -106,7 +106,12 @@ struct _pthread_descr_struct {
size_t p_guardsize; /* size of guard area */
pthread_descr p_self; /* Pointer to this structure */
int p_nr; /* Index of descriptor in __pthread_handles */
-};
+} __attribute__ ((aligned(32))); /* We need to align the structure so that
+ doubles are aligned properly. This is 8
+ bytes on MIPS and 16 bytes on MIPS64.
+ 32 bytes might give better cache
+ utilization. */
+
/* The type of thread handles. */