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Commiteb5e4c5

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committed
Tighten up register usage for inline PPC version of tas().
1 parentcd35d60 commiteb5e4c5

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-6
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1 file changed

+6
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‎src/include/storage/s_lock.h

Lines changed: 6 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -63,7 +63,7 @@
6363
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
6565
*
66-
* $Id: s_lock.h,v 1.104 2003/04/0405:32:30 tgl Exp $
66+
* $Id: s_lock.h,v 1.105 2003/04/0406:57:39 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
@@ -229,20 +229,20 @@ tas(volatile slock_t *lock)
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int_res;
230230

231231
__asm__ __volatile__(
232-
"lwarx %0,0,%3\n"
232+
"lwarx %0,0,%2\n"
233233
"cmpwi %0,0\n"
234234
"bne 1f\n"
235235
"addi %0,%0,1\n"
236-
"stwcx. %0,0,%3\n"
236+
"stwcx. %0,0,%2\n"
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"beq 2f \n"
238-
"1:li %2,1\n"
238+
"1:li %1,1\n"
239239
"b3f\n"
240240
"2:\n"
241241
"isync\n"
242-
"li %2,0\n"
242+
"li %1,0\n"
243243
"3:\n"
244244

245-
:"=&r" (_t),"=m" (lock),"=r" (_res)
245+
:"=&r" (_t),"=r" (_res)
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:"r" (lock)
247247
:"cc","memory"
248248
);

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