From: Ulrich Drepper <drepper@redhat.com>
Date: Fri, 16 Jul 1999 23:18:26 +0000 (+0000)
Subject: Align _pthread_descr_struct to 32 bytes.
X-Git-Tag: cvs/glibc_2-1-2~265
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4d31cea226a1ea6d5a409f03dde494a6b08fe406;p=thirdparty%2Fglibc.git

Align _pthread_descr_struct to 32 bytes.
---

diff --git a/linuxthreads/internals.h b/linuxthreads/internals.h
index 070150fa5dd..9be61b078c7 100644
--- a/linuxthreads/internals.h
+++ b/linuxthreads/internals.h
@@ -106,7 +106,11 @@ 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. */