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* sysdeps/mips/atomicity.h (exchange_and_add, atomic_add):

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Don't .set mips2 on new abi.
(compare_and_swap): Likewise.  Support 64-bit longs on n64.
This commit is contained in:
Alexandre Oliva 2003-03-14 05:30:31 +00:00
parent 3e9a97580a
commit 04a8368845
1 changed files with 15 additions and 1 deletions
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16
sysdeps/mips/atomicity.h
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@ -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"