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-rw-r--r--linuxthreads/ChangeLog8
-rw-r--r--linuxthreads/sysdeps/mips/pspinlock.c9
-rw-r--r--linuxthreads/sysdeps/mips/pt-machine.h11
-rw-r--r--sysdeps/mips/atomicity.h31
-rw-r--r--sysdeps/unix/sysv/linux/mips/sys/tas.h11
5 files changed, 33 insertions, 37 deletions
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog
index 49f1aa7..7617d65 100644
--- a/linuxthreads/ChangeLog
+++ b/linuxthreads/ChangeLog
@@ -1,3 +1,10 @@
+2002-02-05 H.J. Lu <hjl@gnu.org>
+
+ * sysdeps/mips/pspinlock.c (__pthread_spin_lock): Not use
+ branch likely.
+ * sysdeps/mips/pt-machine.h (testandset): Likewise.
+ (__compare_and_swap): Likewise.
+
2002-02-07 Ulrich Drepper <drepper@redhat.com>
* internals.h: Move declarations/definitions of
@@ -9,6 +16,7 @@
* sysdeps/i386/tls.h: Add TLS definitions also for !FLOATING_STACKS.
Define THREAD_GETMEM accordingly.
+>>>>>>> 1.469
2002-02-06 Ulrich Drepper <drepper@redhat.com>
* sysdeps/i386/tls.h: Include <stddef.h> for size_t.
diff --git a/linuxthreads/sysdeps/mips/pspinlock.c b/linuxthreads/sysdeps/mips/pspinlock.c
index bf0a2c8..3a4f586 100644
--- a/linuxthreads/sysdeps/mips/pspinlock.c
+++ b/linuxthreads/sysdeps/mips/pspinlock.c
@@ -32,17 +32,16 @@ __pthread_spin_lock (pthread_spinlock_t *lock)
unsigned int tmp1, tmp2;
asm volatile
- ("\t\t\t# spin_lock\n\t"
- "ll %1,%3\n"
+ ("\t\t\t# spin_lock\n"
"1:\n\t"
+ "ll %1,%3\n\t"
".set push\n\t"
".set noreorder\n\t"
"bnez %1,1b\n\t"
" li %2,1\n\t"
+ ".set pop\n\t"
"sc %2,%0\n\t"
- "beqzl %2,1b\n\t"
- " ll %1,%3\n\t"
- ".set pop"
+ "beqz %2,1b"
: "=m" (*lock), "=&r" (tmp1), "=&r" (tmp2)
: "m" (*lock)
: "memory");
diff --git a/linuxthreads/sysdeps/mips/pt-machine.h b/linuxthreads/sysdeps/mips/pt-machine.h
index 368235e..506cc3f 100644
--- a/linuxthreads/sysdeps/mips/pt-machine.h
+++ b/linuxthreads/sysdeps/mips/pt-machine.h
@@ -1,6 +1,6 @@
/* Machine-dependent pthreads configuration and inline functions.
- Copyright (C) 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1998, 2000, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ralf Baechle <ralf@gnu.org>.
Based on the Alpha version by Richard Henderson <rth@tamu.edu>.
@@ -57,18 +57,17 @@ __compare_and_swap (long int *p, long int oldval, long int newval)
long int ret, temp;
__asm__ __volatile__
- ("/* Inline compare & swap */\n\t"
- "ll %1,%5\n"
+ ("/* Inline compare & swap */\n"
"1:\n\t"
+ "ll %1,%5\n\t"
".set push\n\t"
".set noreorder\n\t"
"bne %1,%3,2f\n\t"
" move %0,$0\n\t"
+ ".set pop\n\t"
"move %0,%4\n\t"
"sc %0,%2\n\t"
- "beqzl %0,1b\n\t"
- " ll %1,%5\n\t"
- ".set pop\n"
+ "beqz %0,1b\n"
"2:\n\t"
"/* End compare & swap */"
: "=&r" (ret), "=&r" (temp), "=m" (*p)
diff --git a/sysdeps/mips/atomicity.h b/sysdeps/mips/atomicity.h
index 4d18507..a1a7761 100644
--- a/sysdeps/mips/atomicity.h
+++ b/sysdeps/mips/atomicity.h
@@ -1,5 +1,5 @@
/* Low-level functions for atomic operations. Mips version.
- Copyright (C) 2001 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2002 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
@@ -32,16 +32,12 @@ exchange_and_add (volatile uint32_t *mem, int val)
int result, tmp;
__asm__ __volatile__
- ("/* Inline exchange & add */\n\t"
- "ll %0,%3\n"
+ ("/* Inline exchange & add */\n"
"1:\n\t"
+ "ll %0,%3\n\t"
"addu %1,%4,%0\n\t"
"sc %1,%2\n\t"
- ".set push\n\t"
- ".set noreorder\n\t"
- "beqzl %1,1b\n\t"
- " ll %0,%3\n\t"
- ".set pop\n\t"
+ "beqz %1,1b\n\t"
"/* End exchange & add */"
: "=&r"(result), "=&r"(tmp), "=m"(*mem)
: "m" (*mem), "r"(val)
@@ -57,16 +53,12 @@ atomic_add (volatile uint32_t *mem, int val)
int result;
__asm__ __volatile__
- ("/* Inline atomic add */\n\t"
- "ll %0,%2\n"
+ ("/* Inline atomic add */\n"
"1:\n\t"
+ "ll %0,%2\n\t"
"addu %0,%3,%0\n\t"
"sc %0,%1\n\t"
- ".set push\n\t"
- ".set noreorder\n\t"
- "beqzl %0,1b\n\t"
- " ll %0,%2\n\t"
- ".set pop\n\t"
+ "beqz %0,1b\n\t"
"/* End atomic add */"
: "=&r"(result), "=m"(*mem)
: "m" (*mem), "r"(val)
@@ -80,18 +72,17 @@ compare_and_swap (volatile long int *p, long int oldval, long int newval)
long int ret, temp;
__asm__ __volatile__
- ("/* Inline compare & swap */\n\t"
- "ll %1,%5\n"
+ ("/* Inline compare & swap */\n"
"1:\n\t"
+ "ll %1,%5\n\t"
".set push\n\t"
".set noreorder\n\t"
"bne %1,%3,2f\n\t"
" move %0,$0\n\t"
+ ".set pop\n\t"
"move %0,%4\n\t"
"sc %0,%2\n\t"
- "beqzl %0,1b\n\t"
- " ll %1,%5\n\t"
- ".set pop\n"
+ "beqz %0,1b\n"
"2:\n\t"
"/* End compare & swap */"
: "=&r" (ret), "=&r" (temp), "=m" (*p)
diff --git a/sysdeps/unix/sysv/linux/mips/sys/tas.h b/sysdeps/unix/sysv/linux/mips/sys/tas.h
index 3396708..1bfbbcf 100644
--- a/sysdeps/unix/sysv/linux/mips/sys/tas.h
+++ b/sysdeps/unix/sysv/linux/mips/sys/tas.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Maciej W. Rozycki <macro@ds2.pg.gda.pl>, 2000.
@@ -42,17 +42,16 @@ _test_and_set (int *p, int v) __THROW
int r, t;
__asm__ __volatile__
- ("/* Inline test and set */\n\t"
- "ll %0,%3\n"
+ ("/* Inline test and set */\n"
"1:\n\t"
+ "ll %0,%3\n\t"
".set push\n\t"
".set noreorder\n\t"
"beq %0,%4,2f\n\t"
" move %1,%4\n\t"
+ ".set pop\n\t"
"sc %1,%2\n\t"
- "beqzl %1,1b\n\t"
- " ll %0,%3\n\t"
- ".set pop\n"
+ "beqz %1,1b\n"
"2:\n\t"
"/* End test and set */"
: "=&r" (r), "=&r" (t), "=m" (*p)
generated by cgit v1.1 at 2024-11-23 12:30:15 +0000