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authorUlrich Drepper <drepper@redhat.com>2002-07-16 01:02:04 +0000
committerUlrich Drepper <drepper@redhat.com>2002-07-16 01:02:04 +0000
commita99bfa85d82aecc3eb780779377a9e178e7189d2 (patch)
tree682a57a683bcf9e64cf0230f4a3648d20aa49217 /linuxthreads
parent807bce82b385e7542f94a2fef994725b368a13b4 (diff)
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Update.
2002-07-02  H.J. Lu  <hjl@gnu.org>

	* sysdeps/mips/atomicity.h: Don't include <sgidefs.h>.  Always
	use ll/sc.
	* sysdeps/unix/sysv/linux/mips/sys/tas.h: Likewise.

	* sysdeps/unix/sysv/linux/configure.in: Set arch_minimum_kernel
	to 2.4.0 for mips.

	TLS fail if USE_TLS is not defined.
Diffstat (limited to 'linuxthreads')
-rw-r--r--linuxthreads/ChangeLog6
-rw-r--r--linuxthreads/sysdeps/mips/pspinlock.c17
-rw-r--r--linuxthreads/sysdeps/mips/pt-machine.h8
3 files changed, 12 insertions, 19 deletions
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog
index ec04411bbe..e70be81c13 100644
--- a/linuxthreads/ChangeLog
+++ b/linuxthreads/ChangeLog
@@ -1,3 +1,9 @@
+2002-07-02  H.J. Lu  <hjl@gnu.org>
+
+	* sysdeps/mips/pspinlock.c: Don't include <sgidefs.h>.  Always
+	use ll/sc.
+	* sysdeps/mips/pt-machine.h: Likewise.
+
 2002-07-14  Ulrich Drepper  <drepper@redhat.com>
 
 	* manager.c (pthread_handle_create): Initialize self-reference in
diff --git a/linuxthreads/sysdeps/mips/pspinlock.c b/linuxthreads/sysdeps/mips/pspinlock.c
index 1aa372b4b8..7dd66af2c4 100644
--- a/linuxthreads/sysdeps/mips/pspinlock.c
+++ b/linuxthreads/sysdeps/mips/pspinlock.c
@@ -19,12 +19,9 @@
 
 #include <errno.h>
 #include <pthread.h>
-#include <sgidefs.h>
 #include <sys/tas.h>
 #include "internals.h"
 
-#if (_MIPS_ISA >= _MIPS_ISA_MIPS2)
-
 /* This implementation is similar to the one used in the Linux kernel.  */
 int
 __pthread_spin_lock (pthread_spinlock_t *lock)
@@ -34,10 +31,13 @@ __pthread_spin_lock (pthread_spinlock_t *lock)
   asm volatile
     ("\t\t\t# spin_lock\n"
      "1:\n\t"
+     ".set	push\n\t"
+     ".set	mips2\n\t"
      "ll	%1,%3\n\t"
      "li	%2,1\n\t"
      "bnez	%1,1b\n\t"
      "sc	%2,%0\n\t"
+     ".set	pop\n\t"
      "beqz	%2,1b"
      : "=m" (*lock), "=&r" (tmp1), "=&r" (tmp2)
      : "m" (*lock)
@@ -46,17 +46,6 @@ __pthread_spin_lock (pthread_spinlock_t *lock)
   return 0;
 }
 
-#else /* !(_MIPS_ISA >= _MIPS_ISA_MIPS2) */
-
-int
-__pthread_spin_lock (pthread_spinlock_t *lock)
-{
-  while (_test_and_set ((int *) lock, 1));
-  return 0;
-}
-
-#endif /* !(_MIPS_ISA >= _MIPS_ISA_MIPS2) */
-
 weak_alias (__pthread_spin_lock, pthread_spin_lock)
 
 
diff --git a/linuxthreads/sysdeps/mips/pt-machine.h b/linuxthreads/sysdeps/mips/pt-machine.h
index 31a3421fba..2bad9427ef 100644
--- a/linuxthreads/sysdeps/mips/pt-machine.h
+++ b/linuxthreads/sysdeps/mips/pt-machine.h
@@ -23,7 +23,6 @@
 #ifndef _PT_MACHINE_H
 #define _PT_MACHINE_H   1
 
-#include <sgidefs.h>
 #include <sys/tas.h>
 
 #ifndef PT_EI
@@ -51,8 +50,6 @@ register char * stack_pointer __asm__ ("$29");
 
 /* Compare-and-swap for semaphores. */
 
-#if (_MIPS_ISA >= _MIPS_ISA_MIPS2)
-
 #define HAS_COMPARE_AND_SWAP
 PT_EI int
 __compare_and_swap (long int *p, long int oldval, long int newval)
@@ -62,11 +59,14 @@ __compare_and_swap (long int *p, long int oldval, long int newval)
   __asm__ __volatile__
     ("/* Inline compare & swap */\n"
      "1:\n\t"
+     ".set	push\n\t"
+     ".set	mips2\n\t"
      "ll	%1,%5\n\t"
      "move	%0,$0\n\t"
      "bne	%1,%3,2f\n\t"
      "move	%0,%4\n\t"
      "sc	%0,%2\n\t"
+     ".set	pop\n\t"
      "beqz	%0,1b\n"
      "2:\n\t"
      "/* End compare & swap */"
@@ -77,6 +77,4 @@ __compare_and_swap (long int *p, long int oldval, long int newval)
   return ret;
 }
 
-#endif /* (_MIPS_ISA >= _MIPS_ISA_MIPS2) */
-
 #endif /* pt-machine.h */