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Fix Intel compiler bug. Per discussion

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'GIN FailedAssertions on Itanium2 with Intel compiler' in pgsql-hackers,
http://archives.postgresql.org/pgsql-hackers/2006-08/msg01914.php
This commit is contained in:
Teodor Sigaev 2006-09-05 18:25:10 +00:00
parent 642194ba0c
commit 889ec4b998
1 changed files with 17 additions and 2 deletions
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19
src/backend/access/gin/ginutil.c
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@ -8,7 +8,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/gin/ginutil.c,v 1.5 2006/07/14 14:52:16 momjian Exp $
* $PostgreSQL: pgsql/src/backend/access/gin/ginutil.c,v 1.6 2006/09/05 18:25:10 teodor Exp $
*-------------------------------------------------------------------------
*/
@ -122,7 +122,22 @@ compareEntries(GinState *ginstate, Datum a, Datum b) {
}
static FmgrInfo* cmpDatumPtr=NULL;
static bool needUnique = FALSE;
#if defined(__INTEL_COMPILER) && (defined(__ia64__) || defined(__ia64))
/*
* Intel Compiler on Intel Itanium with -O2 has a bug around
* change static variable by user function called from
* libc func: it doesn't change. So mark it as volatile.
*
* It's a pity, but it's impossible to define optimization
* level here.
*/
#define VOLATILE volatile
#else
#define VOLATILE
#endif
static bool VOLATILE needUnique = FALSE;
static int
cmpEntries(const void * a, const void * b) {