From c021f10b188584445b45ec9649cff4d39e640c3e Mon Sep 17 00:00:00 2001
From: Nathan Froyd <froydnj@codesourcery.com>
Date: Tue, 6 Jul 2010 02:26:33 +0000
Subject: vec.h (FOR_EACH_VEC_ELT_REVERSE): New macro.

gcc/
	* vec.h (FOR_EACH_VEC_ELT_REVERSE): New macro.
	* function.h (struct_function): Change type of local_decls field
	to a VEC.
	(add_local_decl): New function.
	(FOR_EACH_LOCAL_DECL): New macro.
	* cfgexpand.c (init_vars_expansion): Adjust for new type of
	cfun->local_decls.
	(estimated_stack_frame_size): Likewise.
	(expand_used_vars): Likewise.
	* cgraphbuild.c (build_cgraph_edges): Likewise.
	* function.c (instantiate_decls_1): Likewise.
	* ipa-struct-reorg.c (build_data_structure): Likewise.
	* ipa-type-escape.c (analyze_function): Likewise.
	* lto-streamer-in.c (input_function): Likewise.
	* lto-streamer-out.c (output_function): Likewise.
	* tree-ssa-live.c (remove_unused_locals): Likewise.
	* tree.c (free_lang_data_in_decl): Likewise.
	(find_decls_types_in_node): Likewise.
	* omp-low.c (remove_exit_barrier): Likewise.
	(expand_omp_taskreg): Likewise.
	(list2chain): Rename to...
	(vec2chain): ...this.  Adjust.
	* cgraphunit.c (assemble_thunk): Call add_local_decl.
	* tree-cfg.c (replace_by_duplicate_decl): Likewise.
	* gimple-low.c (record_vars_into): Likewise.
	* tree-inline.c (remap_decls): Likewise.
	(declare_return_variable): Likewise.
	(declare_inline_vars): Likewise.
	(copy_forbidden): Adjust for new type of cfun->local_decls.
	(add_local_variables): New function.
	(expand_call_inline): Call it.
	(tree_function_versioning): Likewise.

gcc/cp/
	* decl.c (cp_finish_decl): Call add_local_decl.
	* optimize.c (clone_body): Adjust for new type of cfun->local_decls.

From-SVN: r161862
---
 gcc/vec.h | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'gcc/vec.h')

diff --git a/gcc/vec.h b/gcc/vec.h
index e6c42bc..a652250 100644
--- a/gcc/vec.h
+++ b/gcc/vec.h
@@ -190,6 +190,13 @@ along with GCC; see the file COPYING3.  If not see
 
 #define VEC_iterate(T,V,I,P)	(VEC_OP(T,base,iterate)(VEC_BASE(V),I,&(P)))
 
+/* Convenience macro for reverse iteration.  */
+
+#define FOR_EACH_VEC_ELT_REVERSE(T,V,I,P) \
+  for (I = VEC_length (T, (V)) - 1;           \
+       VEC_iterate (T, (V), (I), (P));	  \
+       (I)--)
+
 /* Allocate new vector.
    VEC(T,A) *VEC_T_A_alloc(int reserve);
 
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