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Atomic increment and decrement functions for m68k

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@28310 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Riccardo Mottola 2009-05-29 23:10:15 +00:00
parent 24bd346ee5
commit f3723a5426
2 changed files with 28 additions and 0 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2009-05-29 Riccardo Mottola <rmottola@users.sf.net>
* Source/NSObject.m: Atomic increment and decrement functions for m68k
2009-05-29 Nicola Pero <nicola.pero@meta-innovation.com>
* GNUmakefile: Use $(warning ...) instead of $(info ...) since

24
Source/NSObject.m
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@ -292,6 +292,30 @@ GSAtomicDecrement(gsatomic_t X)
return *X;
}
#elif defined(__m68k__)
typedef int32_t volatile *gsatomic_t;
#define GSATOMICREAD(X) (*(X))
static __inline__ int
GSAtomicIncrement(gsatomic_t X)
{
__asm__ __volatile__ (
"addq%.l %#1, %0"
:"=m" (*X));
return *X;
}
static __inline__ int
GSAtomicDecrement(gsatomic_t X)
{
__asm__ __volatile__ (
"subq%.l %#1, %0"
:"=m" (*X));
return *X;
}
#endif
#if !defined(GSATOMICREAD)