2008-07-28 Richard Guenther <rguenther@suse.de>

	Merge from gimple-tuples-branch.

	* ChangeLog.tuples: ChangeLog from gimple-tuples-branch.
	* gimple.def: New file.
	* gsstruct.def: Likewise.
	* gimple-iterator.c: Likewise.
	* gimple-pretty-print.c: Likewise.
	* tree-gimple.c: Removed.  Merged into ...
	* gimple.c: ... here.  New file.
	* tree-gimple.h: Removed.  Merged into ...
	* gimple.h: ... here.  New file.

	* Makefile.in: Add dependencies on GIMPLE_H and tree-iterator.h.
	* configure.ac: Added support for ENABLE_GIMPLE_CHECKING and the
	--enable-checking=gimple flag.
	* config.in: Likewise.
	* configure: Regenerated.

	* tree-ssa-operands.h: Tuplified.
	* tree-vrp.c: Likewise.
	* tree-loop-linear.c: Likewise.
	* tree-into-ssa.c: Likewise.
	* tree-ssa-loop-im.c: Likewise.
	* tree-dump.c: Likewise.
	* tree-complex.c: Likewise.
	* cgraphbuild.c: Likewise.
	* tree-ssa-threadupdate.c: Likewise.
	* tree-ssa-loop-niter.c: Likewise.
	* tree-pretty-print.c: Likewise.
	* tracer.c: Likewise.
	* gengtype.c: Likewise.
	* tree-loop-distribution.c: Likewise.
	* tree-ssa-loop-unswitch.c: Likewise.
	* cgraph.c: Likewise.
	* cgraph.h: Likewise.
	* tree-ssa-loop-manip.c: Likewise.
	* value-prof.c: Likewise.
	* tree-ssa-loop-ch.c: Likewise.
	* tree-tailcall.c: Likewise.
	* value-prof.h: Likewise.
	* tree.c: Likewise.
	* tree.h: Likewise.
	* tree-pass.h: Likewise.
	* ipa-cp.c: Likewise.
	* tree-scalar-evolution.c: Likewise.
	* tree-scalar-evolution.h: Likewise.
	* target.h: Likewise.
	* lambda-mat.c: Likewise.
	* tree-phinodes.c: Likewise.
	* diagnostic.h: Likewise.
	* builtins.c: Likewise.
	* tree-ssa-alias-warnings.c: Likewise.
	* cfghooks.c: Likewise.
	* fold-const.c: Likewise.
	* cfghooks.h: Likewise.
	* omp-low.c: Likewise.
	* tree-ssa-dse.c: Likewise.
	* ipa-reference.c: Likewise.
	* tree-ssa-uncprop.c: Likewise.
	* toplev.c: Likewise.
	* tree-gimple.c: Likewise.
	* tree-gimple.h: Likewise.
	* tree-chrec.c: Likewise.
	* tree-chrec.h: Likewise.
	* tree-ssa-sccvn.c: Likewise.
	* tree-ssa-sccvn.h: Likewise.
	* cgraphunit.c: Likewise.
	* tree-ssa-copyrename.c: Likewise.
	* tree-ssa-ccp.c: Likewise.
	* tree-ssa-loop-ivopts.c: Likewise.
	* tree-nomudflap.c: Likewise.
	* tree-call-cdce.c: Likewise.
	* ipa-pure-const.c: Likewise.
	* c-format.c: Likewise.
	* tree-stdarg.c: Likewise.
	* tree-ssa-math-opts.c: Likewise.
	* tree-ssa-dom.c: Likewise.
	* tree-nrv.c: Likewise.
	* tree-ssa-propagate.c: Likewise.
	* ipa-utils.c: Likewise.
	* tree-ssa-propagate.h: Likewise.
	* tree-ssa-alias.c: Likewise.
	* gimple-low.c: Likewise.
	* tree-ssa-sink.c: Likewise.
	* ipa-inline.c: Likewise.
	* c-semantics.c: Likewise.
	* dwarf2out.c: Likewise.
	* expr.c: Likewise.
	* tree-ssa-loop-ivcanon.c: Likewise.
	* predict.c: Likewise.
	* tree-ssa-loop.c: Likewise.
	* tree-parloops.c: Likewise.
	* tree-ssa-address.c: Likewise.
	* tree-ssa-ifcombine.c: Likewise.
	* matrix-reorg.c: Likewise.
	* c-decl.c: Likewise.
	* tree-eh.c: Likewise.
	* c-pretty-print.c: Likewise.
	* lambda-trans.c: Likewise.
	* function.c: Likewise.
	* langhooks.c: Likewise.
	* ebitmap.h: Likewise.
	* tree-vectorizer.c: Likewise.
	* function.h: Likewise.
	* langhooks.h: Likewise.
	* tree-vectorizer.h: Likewise.
	* ipa-type-escape.c: Likewise.
	* ipa-type-escape.h: Likewise.
	* domwalk.c: Likewise.
	* tree-if-conv.c: Likewise.
	* profile.c: Likewise.
	* domwalk.h: Likewise.
	* tree-data-ref.c: Likewise.
	* tree-data-ref.h: Likewise.
	* tree-flow-inline.h: Likewise.
	* tree-affine.c: Likewise.
	* tree-vect-analyze.c: Likewise.
	* c-typeck.c: Likewise.
	* gimplify.c: Likewise.
	* coretypes.h: Likewise.
	* tree-ssa-phiopt.c: Likewise.
	* calls.c: Likewise.
	* tree-ssa-coalesce.c: Likewise.
	* tree.def: Likewise.
	* tree-dfa.c: Likewise.
	* except.c: Likewise.
	* except.h: Likewise.
	* cfgexpand.c: Likewise.
	* tree-cfgcleanup.c: Likewise.
	* tree-ssa-pre.c: Likewise.
	* tree-ssa-live.c: Likewise.
	* tree-sra.c: Likewise.
	* tree-ssa-live.h: Likewise.
	* tree-predcom.c: Likewise.
	* lambda.h: Likewise.
	* tree-mudflap.c: Likewise.
	* ipa-prop.c: Likewise.
	* print-tree.c: Likewise.
	* tree-ssa-copy.c: Likewise.
	* ipa-prop.h: Likewise.
	* tree-ssa-forwprop.c: Likewise.
	* ggc-page.c: Likewise.
	* c-omp.c: Likewise.
	* tree-ssa-dce.c: Likewise.
	* tree-vect-patterns.c: Likewise.
	* tree-ssa-ter.c: Likewise.
	* tree-nested.c: Likewise.
	* tree-ssa.c: Likewise.
	* lambda-code.c: Likewise.
	* tree-ssa-loop-prefetch.c: Likewise.
	* tree-inline.c: Likewise.
	* tree-inline.h: Likewise.
	* tree-iterator.c: Likewise.
	* tree-optimize.c: Likewise.
	* tree-ssa-phiprop.c: Likewise.
	* tree-vect-transform.c: Likewise.
	* tree-object-size.c: Likewise.
	* tree-outof-ssa.c: Likewise.
	* cfgloop.c: Likewise.
	* system.h: Likewise.
	* tree-profile.c: Likewise.
	* cfgloop.h: Likewise.
	* c-gimplify.c: Likewise.
	* c-common.c: Likewise.
	* tree-vect-generic.c: Likewise.
	* tree-flow.h: Likewise.
	* c-common.h: Likewise.
	* basic-block.h: Likewise.
	* tree-ssa-structalias.c: Likewise.
	* tree-switch-conversion.c: Likewise.
	* tree-ssa-structalias.h: Likewise.
	* tree-cfg.c: Likewise.
	* passes.c: Likewise.
	* ipa-struct-reorg.c: Likewise.
	* ipa-struct-reorg.h: Likewise.
	* tree-ssa-reassoc.c: Likewise.
	* cfgrtl.c: Likewise.
	* varpool.c: Likewise.
	* stmt.c: Likewise.
	* tree-ssanames.c: Likewise.
	* tree-ssa-threadedge.c: Likewise.
	* langhooks-def.h: Likewise.
	* tree-ssa-operands.c: Likewise.
	* config/alpha/alpha.c: Likewise.
	* config/frv/frv.c: Likewise.
	* config/s390/s390.c: Likewise.
	* config/m32c/m32c.c: Likewise.
	* config/m32c/m32c-protos.h: Likewise.
	* config/spu/spu.c: Likewise.
	* config/sparc/sparc.c: Likewise.
	* config/i386/i386.c: Likewise.
	* config/sh/sh.c: Likewise.
	* config/xtensa/xtensa.c: Likewise.
	* config/stormy16/stormy16.c: Likewise.
	* config/ia64/ia64.c: Likewise.
	* config/rs6000/rs6000.c: Likewise.
	* config/pa/pa.c: Likewise.
	* config/mips/mips.c: Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@138207 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 23 insertions, 23 deletions

diff --git a/gcc/tree-ssa-loop-ch.c b/gcc/tree-ssa-loop-ch.c
index 47b93f8beeb..9a0dca7265e 100644
--- a/gcc/tree-ssa-loop-ch.c
+++ b/gcc/tree-ssa-loop-ch.c
@@ -50,8 +50,8 @@ static bool
 should_duplicate_loop_header_p (basic_block header, struct loop *loop,
 				int *limit)
 {
-  block_stmt_iterator bsi;
-  tree last;
+  gimple_stmt_iterator bsi;
+  gimple last;
 
   /* Do not copy one block more than once (we do not really want to do
      loop peeling here).  */
@@ -71,19 +71,19 @@ should_duplicate_loop_header_p (basic_block header, struct loop *loop,
     return false;
 
   last = last_stmt (header);
-  if (TREE_CODE (last) != COND_EXPR)
+  if (gimple_code (last) != GIMPLE_COND)
     return false;
 
   /* Approximately copy the conditions that used to be used in jump.c --
      at most 20 insns and no calls.  */
-  for (bsi = bsi_start (header); !bsi_end_p (bsi); bsi_next (&bsi))
+  for (bsi = gsi_start_bb (header); !gsi_end_p (bsi); gsi_next (&bsi))
     {
-      last = bsi_stmt (bsi);
+      last = gsi_stmt (bsi);
 
-      if (TREE_CODE (last) == LABEL_EXPR)
+      if (gimple_code (last) == GIMPLE_LABEL)
 	continue;
 
-      if (get_call_expr_in (last))
+      if (is_gimple_call (last))
 	return false;
 
       *limit -= estimate_num_insns (last, &eni_size_weights);
@@ -99,17 +99,17 @@ should_duplicate_loop_header_p (basic_block header, struct loop *loop,
 static bool
 do_while_loop_p (struct loop *loop)
 {
-  tree stmt = last_stmt (loop->latch);
+  gimple stmt = last_stmt (loop->latch);
 
   /* If the latch of the loop is not empty, it is not a do-while loop.  */
   if (stmt
-      && TREE_CODE (stmt) != LABEL_EXPR)
+      && gimple_code (stmt) != GIMPLE_LABEL)
     return false;
 
   /* If the header contains just a condition, it is not a do-while loop.  */
   stmt = last_and_only_stmt (loop->header);
   if (stmt
-      && TREE_CODE (stmt) == COND_EXPR)
+      && gimple_code (stmt) == GIMPLE_COND)
     return false;
 
   return true;
@@ -196,7 +196,7 @@ copy_loop_headers (void)
 
       entry = loop_preheader_edge (loop);
 
-      if (!tree_duplicate_sese_region (entry, exit, bbs, n_bbs, copied_bbs))
+      if (!gimple_duplicate_sese_region (entry, exit, bbs, n_bbs, copied_bbs))
 	{
 	  fprintf (dump_file, "Duplication failed.\n");
 	  continue;
@@ -208,27 +208,27 @@ copy_loop_headers (void)
 	 we assume that "j < j + 10" is true.  We don't want to warn
 	 about that case for -Wstrict-overflow, because in general we
 	 don't warn about overflow involving loops.  Prevent the
-	 warning by setting TREE_NO_WARNING.  */
+	 warning by setting the no_warning flag in the condition.  */
       if (warn_strict_overflow > 0)
 	{
 	  unsigned int i;
 
 	  for (i = 0; i < n_bbs; ++i)
 	    {
-	      block_stmt_iterator bsi;
+	      gimple_stmt_iterator bsi;
 
-	      for (bsi = bsi_start (copied_bbs[i]);
-		   !bsi_end_p (bsi);
-		   bsi_next (&bsi))
+	      for (bsi = gsi_start_bb (copied_bbs[i]);
+		   !gsi_end_p (bsi);
+		   gsi_next (&bsi))
 		{
-		  tree stmt = bsi_stmt (bsi);
-		  if (TREE_CODE (stmt) == COND_EXPR)
-		    TREE_NO_WARNING (stmt) = 1;
-		  else if (TREE_CODE (stmt) == GIMPLE_MODIFY_STMT)
+		  gimple stmt = gsi_stmt (bsi);
+		  if (gimple_code (stmt) == GIMPLE_COND)
+		    gimple_set_no_warning (stmt, true);
+		  else if (is_gimple_assign (stmt))
 		    {
-		      tree rhs = GIMPLE_STMT_OPERAND (stmt, 1);
-		      if (COMPARISON_CLASS_P (rhs))
-			TREE_NO_WARNING (stmt) = 1;
+		      enum tree_code rhs_code = gimple_assign_rhs_code (stmt);
+		      if (TREE_CODE_CLASS (rhs_code) == tcc_comparison)
+			gimple_set_no_warning (stmt, true);
 		    }
 		}
 	    }