Update of /cvsroot/monetdb/MonetDB4/src/monet
In directory sc8-pr-cvs16.sourceforge.net:/tmp/cvs-serv21179/src/monet
Modified Files:
Tag: MonetDB_4-20
yytree.mx
Log Message:
make M4 work on sparcs again.
data of type lng/dbl should on sparcs always be aligned on 8 bytes.
In the the yytree ValRecords were created which were aligned on 4 bytes
leading to a very early crash of m4.
Index: yytree.mx
===================================================================
RCS file: /cvsroot/monetdb/MonetDB4/src/monet/yytree.mx,v
retrieving revision 1.6
retrieving revision 1.6.6.1
diff -u -d -r1.6 -r1.6.6.1
--- yytree.mx 25 Apr 2007 09:02:00 -0000 1.6
+++ yytree.mx 5 Oct 2007 20:20:05 -0000 1.6.6.1
@@ -143,7 +143,9 @@
GDKfatal("yyextend: out of memory.\n");
}
buf[0] = yy_buf;
- yy_free = sizeof(char*); /* first bytes are the backpointer */
+ yy_free = sizeof(lng); /* first bytes are the backpointer,
+ to keep lngs etc aligned
+ we skip a full sizeof(lng) */
yy_buf = (char*) buf;
}
t = (YYSTREE) (yy_buf + yy_free);
@@ -164,6 +166,7 @@
}
t = (YYSTREE) ((*next) - off);
YYNODE(t, tok, TYPE_void, off, nbytes, cap, malloced, extendable);
+ nbytes = (nbytes+7)&~7; /* round up to be 8 bytes aligned */
*next += nbytes - off;
return t;
}
@@ -352,14 +355,18 @@
}
yy_buf = (char*) cur;
yy_free = yy_backup;
- yy_backup = sizeof(char*);
+ yy_backup = sizeof(lng); /* first bytes are the backpointer,
+ to keep lngs etc aligned
+ we skip a full sizeof(lng) */
yy_sync = NULL;
}
void
Myylogclean(void)
{
- yy_backup = sizeof(char*);
+ yy_backup = sizeof(lng); /* first bytes are the backpointer,
+ to keep lngs etc aligned
+ we skip a full sizeof(lng) */
yy_sync = NULL;
Myylogpop();
}
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