diff -Naur gcc-4.3.1/gcc/common.opt Workshops/GCCWorkshop09/GIMPLE/gcc-4.3.1/gcc/common.opt
--- gcc-4.3.1/gcc/common.opt	2008-01-22 19:41:44.000000000 +0530
+++ Workshops/GCCWorkshop09/GIMPLE/gcc-4.3.1/gcc/common.opt	2009-07-09 00:06:33.000000000 +0530
@@ -600,6 +600,10 @@
 Common Report Var(flag_ipa_pure_const) Init(0) Optimization
 Discover pure and const functions
 
+fipa-gccwk09
+Common Report Var(flag_ipa_gccwk09) Init(1) Analysis
+Enable pass named pass_gccwk09
+
 fipa-pta
 Common Report Var(flag_ipa_pta) Init(0) Optimization
 Perform interprocedural points-to analysis
diff -Naur gcc-4.3.1/gcc/gccwk09.c Workshops/GCCWorkshop09/GIMPLE/gcc-4.3.1/gcc/gccwk09.c
--- gcc-4.3.1/gcc/gccwk09.c	1970-01-01 05:30:00.000000000 +0530
+++ Workshops/GCCWorkshop09/GIMPLE/gcc-4.3.1/gcc/gccwk09.c	2009-07-09 01:33:49.000000000 +0530
@@ -0,0 +1,155 @@
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
+#include "tree.h"
+#include "rtl.h"
+#include "tm_p.h"
+#include "hard-reg-set.h"
+#include "basic-block.h"
+#include "output.h"
+#include "flags.h"
+#include "function.h"
+#include "expr.h"
+#include "ggc.h"
+#include "langhooks.h"
+#include "diagnostic.h"
+#include "tree-flow.h"
+#include "timevar.h"
+#include "tree-dump.h"
+#include "tree-pass.h"
+#include "toplev.h"
+#include "except.h"
+#include "cfgloop.h"
+#include "cfglayout.h"
+#include "tree-ssa-propagate.h"
+#include "value-prof.h"
+#include "pointer-set.h"
+#include "tree-inline.h"
+
+
+/* global declarations */
+int num_assignment, total_assignment;
+void initialize_stats(void);
+void process_statement(tree stmt);
+void printstatistics(void);
+static unsigned int gccwk09_main(void);
+static bool gate_gccwk09 (void);
+
+/* -----------------------------------------------------------------------
+ Function to initialize the variables used for collecting the information.
+ -------------------------------------------------------------------------*/
+void 
+initialize_stats(void)
+{
+  num_assignment = 0;
+  total_assignment = 0;
+}
+
+/* --------------------------------------------
+    Function to print the collected statistics. 
+   --------------------------------------------*/
+void 
+printstatistics(void)
+{
+  if(dump_file)
+  {
+     fprintf(dump_file,"\nNumber of assignment statements:: %d\n",num_assignment);
+     fprintf(dump_file,"\nTotal Number of assignment statements (including temp vars): %d\n",total_assignment);
+  } 
+}
+
+/* ----------------------------------
+   function to process each statement. 
+   ----------------------------------*/
+void 
+process_statement(tree stmt)
+{
+	tree lval,rval;
+	switch (TREE_CODE (stmt))
+	{
+		case GIMPLE_MODIFY_STMT:					 
+                        /* extract the lval and rval trees from the given statement.
+                           If the statement is of the form a = b + c, 
+                           lval = a, which is the tree indexed at 0
+`                          rval = b + c, which is the tree indexed at 1. */         
+			lval=GIMPLE_STMT_OPERAND(stmt,0);
+			rval=GIMPLE_STMT_OPERAND(stmt,1);
+
+		        /* For counting number of assignment statements, we have to check if lval is variable 
+                           declaration, and if it is, then ensure that its not an artificial variable. */
+			if(TREE_CODE(lval) == VAR_DECL)
+			{
+				if(!DECL_ARTIFICIAL(lval))
+					num_assignment++;
+				/* the total assignments including temporary variables */
+				total_assignment++;				
+			}
+			break;
+		default :
+			break;	
+	}    		
+}
+
+/* ---------------------------------------------
+   The main driver function to perform analysis.
+   ---------------------------------------------*/
+static unsigned int 
+gccwk09_main(void)
+{
+   struct cgraph_node *node;
+   basic_block bb;
+   block_stmt_iterator bsi;
+   
+   initialize_stats();  
+   for (node = cgraph_nodes; node; node=node->next)
+   {
+	if (node->analyzed && cgraph_is_master_clone (node))
+	{
+		push_cfun (DECL_STRUCT_FUNCTION (node->decl));
+   		FOR_EACH_BB (bb)
+		{			
+			for (bsi=bsi_start(bb); !bsi_end_p(bsi)  ; bsi_next(&bsi) )
+		 	 {
+				tree stmt = bsi_stmt(bsi);	
+				process_statement(stmt); 
+			 }
+		}
+		/* restoring the context by popping cfun. */
+		pop_cfun ();
+	}
+   }        
+   printstatistics();  
+   return 0;
+}
+
+/* ------------------------------------------
+   Return true if we should execute our pass.
+   ------------------------------------------*/
+static bool
+gate_gccwk09 (void)
+{
+  return (flag_unit_at_a_time != 0
+          && flag_ipa_gccwk09
+          /* Don't bother doing anything if the program has errors.  */
+          && !(errorcount || sorrycount));
+}
+
+
+struct tree_opt_pass pass_gccwk09 =
+{ 
+   "gccwk09",                /* name */
+   gate_gccwk09,             /* gate */
+   gccwk09_main,             /* execute */
+   NULL,		     /* sub */
+   NULL,		     /* next */
+   0,			     /* static pass number */
+   0,			     /* tv_id */
+   0,			     /* properties required */
+   0,			     /* properties provided */
+   0,			     /* properties destroyed */
+   0,			     /* todo_flags start */
+   0,			     /* todo_flags end */
+   0			     /* rtl pass number */
+};
+
diff -Naur gcc-4.3.1/gcc/Makefile.in Workshops/GCCWorkshop09/GIMPLE/gcc-4.3.1/gcc/Makefile.in
--- gcc-4.3.1/gcc/Makefile.in	2008-05-12 00:24:15.000000000 +0530
+++ Workshops/GCCWorkshop09/GIMPLE/gcc-4.3.1/gcc/Makefile.in	2009-07-09 00:08:18.000000000 +0530
@@ -1224,7 +1224,8 @@
 	version.o \
 	vmsdbgout.o \
 	web.o \
-	xcoffout.o
+	xcoffout.o \
+	gccwk09.o
 
 # Target object files.
 OBJS-md = $(out_object_file)
@@ -2326,6 +2327,10 @@
    $(MACHMODE_H) $(TARGET_DEF_H) $(TARGET_H) $(GGC_H) gt-targhooks.h \
    $(OPTABS_H)
 
+# Added the NEW Rule for gccwk09.o
+gccwk09.o : gccwk09.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) \
+   $(FLAGS_H) $(BASIC_BLOCK_H) $(DF_H) $(OBSTACK_H) $(TIMEVAR_H) tree-pass.h
+
 toplev.o : toplev.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \
    version.h $(RTL_H) $(FUNCTION_H) $(FLAGS_H) xcoffout.h input.h \
    $(INSN_ATTR_H) output.h $(DIAGNOSTIC_H) debug.h insn-config.h intl.h \
diff -Naur gcc-4.3.1/gcc/passes.c Workshops/GCCWorkshop09/GIMPLE/gcc-4.3.1/gcc/passes.c
--- gcc-4.3.1/gcc/passes.c	2008-01-22 18:57:52.000000000 +0530
+++ Workshops/GCCWorkshop09/GIMPLE/gcc-4.3.1/gcc/passes.c	2009-07-09 00:09:41.000000000 +0530
@@ -502,6 +502,8 @@
       NEXT_PASS (pass_inline_parameters);
       NEXT_PASS (pass_rebuild_cgraph_edges);
     }
+  /* Invoke the gimple analysis pass. */
+  NEXT_PASS (pass_gccwk09);
   NEXT_PASS (pass_early_local_passes);
     {
       struct tree_opt_pass **p = &pass_early_local_passes.sub;
diff -Naur gcc-4.3.1/gcc/tree-pass.h Workshops/GCCWorkshop09/GIMPLE/gcc-4.3.1/gcc/tree-pass.h
--- gcc-4.3.1/gcc/tree-pass.h	2008-02-13 16:45:51.000000000 +0530
+++ Workshops/GCCWorkshop09/GIMPLE/gcc-4.3.1/gcc/tree-pass.h	2009-07-09 00:11:03.000000000 +0530
@@ -449,6 +449,8 @@
 extern struct tree_opt_pass pass_apply_inline;
 extern struct tree_opt_pass pass_all_early_optimizations;
 extern struct tree_opt_pass pass_update_address_taken;
+/* Register the gimple analysis pass */
+extern struct tree_opt_pass pass_gccwk09;
 
 /* The root of the compilation pass tree, once constructed.  */
 extern struct tree_opt_pass *all_passes, *all_ipa_passes, *all_lowering_passes;
diff -Naur gcc-4.3.1/Makefile.in Workshops/GCCWorkshop09/GIMPLE/gcc-4.3.1/Makefile.in
--- gcc-4.3.1/Makefile.in	2007-12-13 15:00:49.000000000 +0530
+++ Workshops/GCCWorkshop09/GIMPLE/gcc-4.3.1/Makefile.in	2009-07-09 00:13:48.000000000 +0530
@@ -725,6 +725,10 @@
     maybe-configure-target-libgomp
 
 # The target built for a native non-bootstrap build.
+.PHONY: cc1
+cc1:
+	make all-gcc TARGET-gcc=cc1$(exeext)
+
 .PHONY: all
 all:
 @if gcc-bootstrap