Update of /cvsroot/monetdb/pathfinder/compiler/include
In directory sc8-pr-cvs16.sourceforge.net:/tmp/cvs-serv10665/include
Modified Files:
Tag: XQuery_0-18
mil_opt.h
Log Message:
[ 1730617 ] XQ: 32 docs
- bugfix: after the dead-code optimized conditional administration has overflown
we must *give-up* elimination of statements, rather than just stopping
the variable usage-tracking.
- increase the conditional admin max-depth from 32 to 32767
Index: mil_opt.h
===================================================================
RCS file: /cvsroot/monetdb/pathfinder/compiler/include/mil_opt.h,v
retrieving revision 1.23
retrieving revision 1.23.2.1
diff -u -d -r1.23 -r1.23.2.1
--- mil_opt.h 25 Jan 2007 23:40:17 -0000 1.23
+++ mil_opt.h 6 Jun 2007 16:18:11 -0000 1.23.2.1
@@ -41,13 +41,13 @@
* - don't generate MIL statements with multiple (i.e. inline) assignments "x
:= (y := 1) + 1;"
* - for better pruning: use assignment notation for update statements "x :=
x.insert(y);"
* ----------------------------------------------------------------------------
- */
#define OPT_CODEMOTION 1
+ */
#define OPT_STMTS 32767 /* <65535 if first-use further out than this amount of
stamements, dead codes survises anyhow */
#define OPT_VARS 1024 /* don't try dead code elimintation above this amount of
live variables */
#define OPT_REFS 63 /* keep track of usage dependencies; may omit some, which
results in surviving dead code */
-#define OPT_CONDS 32 /* maximum if-nesting */
+#define OPT_CONDS 32767 /* maximum if-nesting */
#define OPT_SEC_PROLOGUE 0
#define OPT_SEC_QUERY 1
@@ -115,6 +115,7 @@
typedef struct {
unsigned int optimize; /* or not */
+ unsigned int delete; /* used to bail out from further optimization after
structures overflow */
unsigned int curstmt; /* number of detected MIL statements so far */
unsigned int scope; /* current scope depth */
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