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authorUlrich Drepper <drepper@redhat.com>2003-09-17 08:47:44 +0000
committerUlrich Drepper <drepper@redhat.com>2003-09-17 08:47:44 +0000
commita4db3439f1177cf5c5ceb80bfa3f3a2cef00fc0e (patch)
treee21a8cd5a2222281888d37b530d360e92995abd7 /nptl/cond-perf.c
parent6c052003bda07641309dcd4fe4a5158d24f5d607 (diff)
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Update.
2003-09-15  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/i386/Makefile (sysdep-CFLAGS): If not in math or csu
	subdir, add -mpreferred-stack-boundary=4, with few exceptions.

2003-09-17  Jakub Jelinek  <jakub@redhat.com>

	* Makeconfig (stack-align-test-flags): Set.
	* stdlib/Makefile (CFLAGS-tst-bsearch.c): Add
	$(stack-align-test-flags).
	* stdlib/tst-bsearch.c: Include tst-stack-align.h.
	(align_check): New var.
	(comp): Use TEST_STACK_ALIGN macro.
	(do_test): Fail if align_check != 1.
	* sysdeps/generic/tst-stack-align.h: New file.
	* sysdeps/i386/i686/Makefile (stack-align-test-flags): Add -msse.
	* sysdeps/i386/i686/tst-stack-align.h: New file.
Diffstat (limited to 'nptl/cond-perf.c')
-rw-r--r--nptl/cond-perf.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/nptl/cond-perf.c b/nptl/cond-perf.c
index 53d85637b8..e37914e6b7 100644
--- a/nptl/cond-perf.c
+++ b/nptl/cond-perf.c
@@ -4,6 +4,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <atomic.h>
 
 static pthread_cond_t cond1 = PTHREAD_COND_INITIALIZER;
 static pthread_mutex_t mut1 = PTHREAD_MUTEX_INITIALIZER;
@@ -23,7 +24,7 @@ cons (void *arg)
 
   do
     {
-      if (--ntogo == 0)
+      if (atomic_decrement_and_test (&ntogo))
 	{
 	  pthread_mutex_lock (&mut2);
 	  alldone = true;
@@ -68,11 +69,11 @@ main (int argc, char *argv[])
 
   pthread_t th[nthreads];
   int i;
-  for (i = 0; i < nthreads; ++i)
+  for (i = 0; __builtin_expect (i < nthreads, 1); ++i)
     if (__builtin_expect ((err = pthread_create (&th[i], NULL, cons, (void *) (long) i)) != 0, 0))
       printf ("pthread_create: %s\n", strerror (err));
 
-  for (i = 0; i < nrounds; ++i)
+  for (i = 0; __builtin_expect (i < nrounds, 1); ++i)
     {
       pthread_mutex_lock (&mut2);
       while (! alldone)