diff options
| -rw-r--r-- | linuxthreads/ChangeLog | 8 | ||||
| -rw-r--r-- | linuxthreads/sysdeps/mips/pspinlock.c | 9 | ||||
| -rw-r--r-- | linuxthreads/sysdeps/mips/pt-machine.h | 11 | ||||
| -rw-r--r-- | sysdeps/mips/atomicity.h | 31 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/mips/sys/tas.h | 11 |
5 files changed, 33 insertions, 37 deletions
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog index 49f1aa752a..7617d651fa 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 bf0a2c833d..3a4f586fc1 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 368235e1a5..506cc3f979 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 4d185075c4..a1a7761d3c 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 339670894f..1bfbbcf2de 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) |