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* Source/NSObject.m: Correct asm for PPC.

Browse source 
Patch by Eric Wasylishen <ewasylishen@gmail.com>
* Source/NSObject.m: Add support for new gcc atomic build
ins. Currently still disabled.
Patch by David Chisnall <theraven@sucs.org>

M    Source/NSObject.m
M    ChangeLog


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@28268 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
fredkiefer 2009-05-04 20:07:56 +00:00
parent a12d7ae190
commit 912f62759a
2 changed files with 23 additions and 6 deletions
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12
ChangeLog
View file

@ -1,4 +1,12 @@
2009-03-04 Richard Frith-Macdonald <rfm@gnu.org>
2009-05-04 Fred Kiefer <FredKiefer@gmx.de>
* Source/NSObject.m: Correct asm for PPC.
Patch by Eric Wasylishen <ewasylishen@gmail.com>
* Source/NSObject.m: Add support for new gcc atomic build
ins. Currently still disabled.
Patch by David Chisnall <theraven@sucs.org>
2009-05-04 Richard Frith-Macdonald <rfm@gnu.org>
* NSCharacterSets/GNUmakefile:
* Source/GNUmakefile:
@ -16,7 +24,7 @@
* Source/NSURLProtocol.m: Removed c99-ism
2009-03-03 Richard Frith-Macdonald <rfm@gnu.org>
2009-05-03 Richard Frith-Macdonald <rfm@gnu.org>
* Source/GNUmakefile.postamble: remove generated files from pathconfig
subdirectory on distclean.

17
Source/NSObject.m
View file

@ -219,6 +219,15 @@ typedef int32_t volatile *gsatomic_t;
#define GSAtomicDecrement(X) InterlockedDecrement((LONG volatile*)X)
#elif defined(USE_ATOMIC_BUILDINS) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
/* Use the GCC atomic operations with recent GCC versions */
typedef int32_t volatile *gsatomic_t;
#define GSATOMICREAD(X) (*(X))
#define GSAtomicIncrement(X) __sync_fetch_and_add(X, 1)
#define GSAtomicDecrement(X) __sync_fetch_and_sub(X, 1)
#elif defined(__linux__) && (defined(__i386__) || defined(__x86_64__))
/* Set up atomic read, increment and decrement for intel style linux
*/
@ -256,11 +265,11 @@ GSAtomicIncrement(gsatomic_t X)
{
int tmp;
__asm__ __volatile__ (
"modified:"
"incmodified:"
"lwarx %0,0,%1 \n"
"addic %0,%0,1 \n"
"stwcx. %0,0,%1 \n"
"bne- modified \n"
"bne- incmodified \n"
:"=&r" (tmp)
:"r" (X)
:"cc", "memory");
@ -272,11 +281,11 @@ GSAtomicDecrement(gsatomic_t X)
{
int tmp;
__asm__ __volatile__ (
"modified:"
"decmodified:"
"lwarx %0,0,%1 \n"
"addic %0,%0,-1 \n"
"stwcx. %0,0,%1 \n"
"bne- modified \n"
"bne- decmodified \n"
:"=&r" (tmp)
:"r" (X)
:"cc", "memory");