diff options
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | sysdeps/mips/atomicity.h | 16 |
2 files changed, 21 insertions, 1 deletions
@@ -1,5 +1,11 @@ 2003-03-14 Alexandre Oliva <aoliva@redhat.com> + * sysdeps/mips/atomicity.h (exchange_and_add, atomic_add): + Don't .set mips2 on new abi. + (compare_and_swap): Likewise. Support 64-bit longs on n64. + +2003-03-14 Alexandre Oliva <aoliva@redhat.com> + * stdlib/fpioconst.h: Include gmp.h with angle brackets. 2003-03-13 Roland McGrath <roland@redhat.com> diff --git a/sysdeps/mips/atomicity.h b/sysdeps/mips/atomicity.h index bccacd9c90..5148121091 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, 2002 Free Software Foundation, Inc. + Copyright (C) 2001, 2002, 2003 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 @@ -32,7 +32,9 @@ exchange_and_add (volatile uint32_t *mem, int val) ("/* Inline exchange & add */\n" "1:\n\t" ".set push\n\t" +#if _MIPS_SIM == _MIPS_SIM_ABI32 ".set mips2\n\t" +#endif "ll %0,%3\n\t" "addu %1,%4,%0\n\t" "sc %1,%2\n\t" @@ -56,7 +58,9 @@ atomic_add (volatile uint32_t *mem, int val) ("/* Inline atomic add */\n" "1:\n\t" ".set push\n\t" +#if _MIPS_SIM == _MIPS_SIM_ABI32 ".set mips2\n\t" +#endif "ll %0,%2\n\t" "addu %0,%3,%0\n\t" "sc %0,%1\n\t" @@ -78,12 +82,22 @@ compare_and_swap (volatile long int *p, long int oldval, long int newval) ("/* Inline compare & swap */\n" "1:\n\t" ".set push\n\t" +#if _MIPS_SIM == _MIPS_SIM_ABI32 ".set mips2\n\t" +#endif +#if defined _ABI64 && _MIPS_SIM == _ABI64 + "lld %1,%5\n\t" +#else "ll %1,%5\n\t" +#endif "move %0,$0\n\t" "bne %1,%3,2f\n\t" "move %0,%4\n\t" +#if defined _ABI64 && _MIPS_SIM == _ABI64 + "scd %0,%2\n\t" +#else "sc %0,%2\n\t" +#endif ".set pop\n\t" "beqz %0,1b\n" "2:\n\t" |