diff -Naur ../original/gcc-4.3.1/gcc/common.opt gcc/common.opt
--- ../original/gcc-4.3.1/gcc/common.opt	2008-01-22 19:41:44.000000000 +0530
+++ gcc/common.opt	2009-05-24 20:10:37.000000000 +0530
@@ -491,6 +491,10 @@
 Common Report Var(flag_forward_propagate) Optimization
 Perform a forward propagation pass on RTL
 
+fdump-new-rtl-pass
+Common Report Var(flag_dump_new_rtl_pass)
+Dump information to the file
+
 ; Nonzero means don't put addresses of constant functions in registers.
 ; Used for compiling the Unix kernel, where strange substitutions are
 ; done on the assembly output.
diff -Naur ../original/gcc-4.3.1/gcc/Makefile.in gcc/Makefile.in
--- ../original/gcc-4.3.1/gcc/Makefile.in	2008-05-12 00:24:15.000000000 +0530
+++ gcc/Makefile.in	2009-05-24 20:11:48.000000000 +0530
@@ -1224,7 +1224,8 @@
 	version.o \
 	vmsdbgout.o \
 	web.o \
-	xcoffout.o
+	xcoffout.o \
+	new_rtl_pass.o
 
 # Target object files.
 OBJS-md = $(out_object_file)
@@ -2882,6 +2883,8 @@
    insn-config.h $(BASIC_BLOCK_H) $(RECOG_H) $(OBSTACK_H) bitmap.h \
    $(EXPR_H) $(REGS_H) tree-pass.h $(DF_H)
 
+new_rtl_pass.o : new_rtl_pass.c
+
 $(out_object_file): $(out_file) $(CONFIG_H) coretypes.h $(TM_H) $(TREE_H) \
    $(RTL_H) $(REGS_H) hard-reg-set.h insn-config.h conditions.h \
    output.h $(INSN_ATTR_H) $(SYSTEM_H) toplev.h $(TARGET_H) libfuncs.h \
@@ -3119,7 +3122,7 @@
   $(srcdir)/ipa-reference.c $(srcdir)/tree-ssa-structalias.h \
   $(srcdir)/tree-ssa-structalias.c $(srcdir)/tree-parloops.c \
   $(srcdir)/omp-low.c $(srcdir)/varpool.c \
-  $(srcdir)/targhooks.c $(out_file) $(srcdir)/passes.c $(srcdir)/cgraphunit.c \
+  $(srcdir)/targhooks.c $(out_file) $(srcdir)/passes.c $(srcdir)/cgraphunit.c $(srcdir)/new_rtl_pass.c\
   @all_gtfiles@
 
 GTFILES_H = $(subst /,-, $(patsubst $(srcdir)/%,gt-%, $(patsubst %.c,%.h, \
diff -Naur ../original/gcc-4.3.1/gcc/new_rtl_pass.c gcc/new_rtl_pass.c
--- ../original/gcc-4.3.1/gcc/new_rtl_pass.c	1970-01-01 05:30:00.000000000 +0530
+++ gcc/new_rtl_pass.c	2009-05-24 20:37:16.000000000 +0530
@@ -0,0 +1,126 @@
+#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"
+#include "vec.h"
+#include "errors.h"
+#include "hashtab.h"
+#include "cgraph.h" 
+#include "regs.h"
+
+
+int new_rtl_pass_main(void);
+extern FILE * dump_file;
+
+struct tree_opt_pass pass_new_rtl =
+{
+  "cs715",				/* name */
+  NULL,					/* gate */
+  new_rtl_pass_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_finish */
+  0					/* letter */
+};
+
+
+int count=0;
+
+int new_rtl_pass_main(void)
+{
+	basic_block bb;
+	rtx last;
+	rtx insn;
+	int code, type;
+	int bbno;
+	rtx opd1,opd2;
+	count = 0;
+	for (insn = get_insns(), last = get_last_insn(), last = NEXT_INSN(last); insn != last; insn = NEXT_INSN (insn))
+	{
+		int is_insn;
+		is_insn = INSN_P (insn);
+		if(flag_dump_new_rtl_pass)		
+			print_rtl_single(dump_file,insn);
+		code = GET_CODE(insn);
+		if(code==NOTE)
+		{
+			type = (int)XINT(insn,5);
+			if(type==NOTE_INSN_BASIC_BLOCK)
+			{
+				bb = (basic_block)XEXP(insn,3);
+				bbno = bb->index;
+				if(bbno>2)
+				{
+					printf("\n\t Count = %d\n", count);
+					printf(";; End of basic block %d\n",bbno-1);
+				}
+				printf("\n;; Start of basic block %d",bbno);
+				count = 0;
+			}
+		}
+		if(is_insn){
+			rtx subexp = XEXP(insn,5);
+			//printf("\nName : %s\tLength = %d\tFormat = %s",GET_RTX_NAME(code),GET_RTX_LENGTH(code),GET_RTX_FORMAT(code));
+			eval_rtx(subexp);
+		}
+	}
+	printf("\n\t Count = %d\n", count);
+	printf(";; End of basic block %d\n\n",bbno);
+	return 0;
+}
+
+void eval_rtx(rtx exp)
+{
+	rtx temp;
+	int veclen,i;
+	int rt_code = GET_CODE(exp);
+	switch(rt_code)
+	{
+		case SET:
+			if(flag_dump_new_rtl_pass){
+				fprintf(dump_file,"\nSet statement %d : \t",count+1);
+				print_rtl_single(dump_file,exp);}
+			count++;
+			break;
+		case PARALLEL:
+			veclen = XVECLEN(exp, 0);
+			for(i = 0; i < veclen; i++)
+			{
+				temp = XVECEXP(exp, 0, i);
+				eval_rtx(temp);
+			}
+			break;
+		default:
+			break;
+	}
+}
diff -Naur ../original/gcc-4.3.1/gcc/passes.c gcc/passes.c
--- ../original/gcc-4.3.1/gcc/passes.c	2008-01-22 18:57:52.000000000 +0530
+++ gcc/passes.c	2009-05-24 20:09:46.000000000 +0530
@@ -682,6 +682,7 @@
   NEXT_PASS (pass_mudflap_2);
   NEXT_PASS (pass_free_cfg_annotations);
   NEXT_PASS (pass_expand);
+  NEXT_PASS (pass_new_rtl);
   NEXT_PASS (pass_rest_of_compilation);
     {
       struct tree_opt_pass **p = &pass_rest_of_compilation.sub;
diff -Naur ../original/gcc-4.3.1/gcc/tree-pass.h gcc/tree-pass.h
--- ../original/gcc-4.3.1/gcc/tree-pass.h	2008-02-13 16:45:51.000000000 +0530
+++ gcc/tree-pass.h	2009-05-24 20:09:18.000000000 +0530
@@ -247,6 +247,9 @@
 extern struct tree_opt_pass pass_refactor_eh;
 extern struct tree_opt_pass pass_lower_eh;
 extern struct tree_opt_pass pass_build_cfg;
+
+extern struct tree_opt_pass pass_new_rtl;
+
 extern struct tree_opt_pass pass_tree_profile;
 extern struct tree_opt_pass pass_early_tree_profile;
 extern struct tree_opt_pass pass_cleanup_cfg;