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authorArnaud Charlet <charlet@gcc.gnu.org>2004-04-19 17:20:16 +0200
committerArnaud Charlet <charlet@gcc.gnu.org>2004-04-19 17:20:16 +0200
commit7324bf49ceb4aaca385ae0c32095901b96a2c969 (patch)
tree978d1dfc5330e89503dce76f1c63cf981f4b9d73 /gcc/ada/trans.c
parent10b5935eb21a9828cf77e08e2b7e43238be7df40 (diff)
downloadgcc-7324bf49ceb4aaca385ae0c32095901b96a2c969.tar.gz
[multiple changes]
2004-04-19 Arnaud Charlet <charlet@act-europe.fr> * 5isystem.ads: Removed, unused. * gnat_rm.texi: Redo 1.13 change. 2004-04-19 Robert Dewar <dewar@gnat.com> * s-stoele.ads: Clean up definition of Storage_Offset (the new definition is cleaner, avoids the kludge of explicit Standard operator references, and also is consistent with a visible System.Address with no visible operations. * s-geveop.adb: Add declarations to avoid assumption of visible operations on type System.Address (since these might not be available if Address is a non-private type for which the operations are made abstract). * sem_eval.adb: Minor reformatting * s-carsi8.ads, s-carun8.ads, s-casi16.ads, s-casi32.ads, s-casi64.ads, s-caun16.ads, s-caun32.ads, s-caun64.ads: Minor reformatting (new function spec format). * s-auxdec.adb, s-carsi8.adb, s-carun8.adb, s-casi16.adb, s-casi32.adb, s-casi64.adb, s-caun16.adb, s-caun32.adb, s-caun64.adb: Add declarations to avoid assumption of visible operations on type System.Address (since these might not be available if Address is a non-private type for which the operations are made abstract). * lib.ads, lib.adb (Synchronize_Serial_Number): New procedure. * exp_intr.adb: Minor comment update * exp_aggr.adb, exp_attr.adb, exp_ch13.adb: Minor reformatting. * 5omastop.adb: Add declarations to avoid assumption of visible operations on type System.Address (since these might not be available if Address is a non-private type for which the operations are made abstract). 2004-04-19 Vincent Celier <celier@gnat.com> * switch-m.adb: (Scan_Make_Switches): Process new switch -eL * prj-pars.ads (Parse): New Boolean parameter Process_Languages, defaulted to Ada. * prj-proc.adb (Process): New Boolean parameter Process_Languages, defaulted to Ada. Call Check with Process_Languages. (Check): New Boolean parameter Process_Languages. Call Recursive_Check with Process_Languages. (Recursive_Check): New Boolean parameter Process_Languages. Call Nmsc.Ada_Check or Nmsc.Other_Languages_Check according to Process_Languages. * prj-proc.ads (Process): New Boolean parameter Process_Languages, * prj-util.ads, prj-util.adb (Executable_Of): New Boolean parameter Ada_Main, defaulted to True. Check for Ada specific characteristics only when Ada_Main is True. * opt.ads: (Follow_Links): New Boolean flag for gnatmake * prj.adb: (Project_Empty): Add new Project_Data components. * prj.ads: New types and tables for non Ada languages. (Project_Data): New components Languages, Impl_Suffixes, First_Other_Source, Last_Other_Source, Imported_Directories_Switches, Include_Path, Include_Data_Set. * prj-env.ads, prj-env.adb: Minor reformatting * prj-nmsc.ads, prj-nmsc.adb: (Other_Languages_Check): New procedure Put subprograms in alphabetical order * prj-pars.adb (Parse): New Boolean parameter Process_Languages, defaulted to Ada; Call Prj.Proc.Process with Process_Languages and Opt.Follow_Links. * mlib-prj.adb: Back out modification in last version, as they are incorrect. (Build_Library.Check_Libs): Remove useless pragma Warnings (Off) * make.adb: (Mains): Moved to package Makeutl (Linker_Opts): Moved to package Makeutl (Is_External_Assignment): Moved to package Makeutl (Test_If_Relative_Path): Moved to package Makeutl (Gnatmake): Move sorting of linker options to function Makeutl.Linker_Options_Switches. * Makefile.in: Add makeutl.o to the object files for gnatmake * makeusg.adb: Add line for new switch -eL. * gnatls.adb (Image): New function. (Output_Unit): If in verbose mode, output the list of restrictions specified by pragmas Restrictions. * 5bml-tgt.adb, 5vml-tgt.adb (Build_Dynamic_Library): Do not use Text_IO. * a-calend.adb (Split): Shift the date by multiple of 56 years, if needed, to put it in the range 1970 (included) - 2026 (excluded). (Time_Of): Do not shift Unix_Min_Year (1970). Shift the date by multiple of 56 years, if needed, to put it in the range 1970 (included) - 2026 (excluded). * adaint.h, adaint.c (__gnat_set_executable): New function. 2004-04-19 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * trans.c (tree_transform, case N_Subprogram_Body): Temporarily push and pop GC context. (tree_transform, case N_Procedure_Call): Fix typo in setting TREE_TYPE. (tree_transform, case N_Label): Don't set LABEL_STMT_FIRST_IN_EH. (tree_transform, case N_Procedure_Call_Statement): Build a tree. (tree_transform, case N_Code_Statement): Likewise. (gnat_expand_stmt, case LABEL_STMT): Don't look at LABEL_STMT_FIRST_IN_EH. (gnat_expand_stmt, case ASM_STMT): New case. * utils2.c (build_unary_op): Properly set TREE_READONLY of UNCONSTRAINED_ARRAY_REF. * utils.c (poplevel): Temporarily push/pop GC context around inline function expansion. * decl.c (maybe_variable): Properly set TREE_READONLY of UNCONSTRAINED_ARRAY_REF. (make_packable_type): Only reference TYPE_IS_PADDING_P for RECORD_TYPE. * ada-tree.def: (ASM_STMT): New. * ada-tree.h: (LABEL_STMT_FIRST_IN_EH): Deleted. (ASM_STMT_TEMPLATE, ASM_STMT_OUTPUT, ASM_STMT_ORIG_OUT, ASM_STMT_INPUT): New. (ASM_STMT_CLOBBER): Likewise. 2004-04-19 Thomas Quinot <quinot@act-europe.fr> * a-except.adb, s-parint.ads, s-parint.adb, types.ads, types.h: Use general rcheck mechanism to raise Program_Error for E.4(18), instead of a custom raiser in System.Partition_Interface. Part of general cleanup work before PolyORB integration. * snames.ads, snames.adb: Add new runtime library entities and names for PolyORB DSA. * sem_dist.ads, sem_dist.adb (Get_Subprogram_Id): Move from sem_dist to exp_dist. (Build_Subprogram_Id): New subprogram provided by exp_dist Code reorganisation in preparation for PolyORB integration. * exp_dist.ads, exp_dist.adb (Get_Subprogram_Id): Move from sem_dist to exp_dist. (Build_Subprogram_Id): New subprogram provided by exp_dist * sem_ch4.adb (Analyze_One_Call): Fix error message for mismatch in actual parameter types for call to dereference of an access-to-subprogram type. * rtsfind.ads: Add new runtime library entities and names for PolyORB DSA. * gnatlink.adb (Value): Remove. Use Interfaces.C.Strings.Value instead, which has the same behaviour here since we never pass it a NULL pointer. * link.c (run_path_option, Solaris case): Use -Wl, as for other platforms. * Makefile.in: adjust object file lists for gnatlink and gnatmake to account for new dependency upon Interfaces.C.Strings + link.o For x86 FreeBSD, use 86numaux. * make.adb, gnatcmd.adb: Linker_Library_Path_Option has been moved up from Mlib.Tgt to Mlib. * mlib.ads, mlib.adb (Linker_Library_Path_Option): New subprogram, now target-independent. * mlib-tgt.ads, mlib-tgt.adb (Linker_Library_Path_Option): Remove target-specific versions of this subprogram, now implemented as a target-independent function in Mlib. * 5aml-tgt.adb, 5bml-tgt.adb, 5gml-tgt.adb, 5hml-tgt.adb, 5lml-tgt.adb, 5sml-tgt.adb, 5vml-tgt.adb, 5zml-tgt.adb, 5wml-tgt.adb (Linker_Library_Path_Option): Remove target-specific versions of this subprogram, now implemented as a target-independent function in Mlib. * atree.adb: (Allocate_Initialize_Node): New subprogram. Factors out node table slots allocation. (Fix_Parents): New subprogram. Encapsulate the pattern of fixing up parent pointers for syntactic children of a rewritten node. (New_Copy_Tree): Use New_Copy to copy non-entity nodes. (Rewrite): Use New_Copy when creating saved copy of original node. (Replace): Use Copy_Node to copy nodes. 2004-04-19 Javier Miranda <miranda@gnat.com> * sprint.adb (Sprint_Node_Actual): Give support to the new Access_To_Subprogram node available in Access_Definition nodes. In addition, give support to the AI-231 node fields: null-exclusion, all-present, constant-present. * sem_util.ads, sem_util.adb: (Has_Declarations): New subprogram * sinfo.ads, sinfo.adb: New field Access_To_Subprogram_Definition in Access_Definition nodes * sem_ch6.adb (Process_Formals): Move here the code that creates and decorates internal subtype declaration corresponding to the null-excluding formal. This code was previously in Set_Actual_Subtypes. In addition, carry out some code cleanup on this code. In case of access to protected subprogram call Replace_Anonymous_Access_To_Protected_Subprogram. (Set_Actual_Subtypes): Code cleanup. * sem_ch8.adb (Analyze_Object_Renaming): Remove un-necessary call to Find_Type in case of anonymous access renamings. Add warning in case of null-excluding attribute used in anonymous access renaming. * sem_ch3.ads (Replace_Anonymous_Access_To_Protected_Subprogram): New subprogram * sem_ch3.adb (Replace_Anonymous_Access_To_Protected_Subprogram): New subprogram. (Access_Definition): In case of anonymous access to subprograms call the corresponding semantic routine to decorate the node. (Access_Subprogram_Declaration): Addition of some comments indicating some code that probably should be added here. Detected by comparison with the access_definition subprogram. (Analyze_Component_Declaration): In case of access to protected subprogram call Replace_Anonymous_Access_To_Protected. (Array_Type_Declaration): In case of access to protected subprogram call Replace_Anonymous_Access_To_Protected_Subprogram. (Process_Discriminants): In case of access to protected subprogram call Replace_Anonymous_Access_To_Protected_Subprogram. * par.adb (P_Access_Definition): New formal that indicates if the null-exclusion part was present. (P_Access_Type_Definition): New formal that indicates if the caller has already parsed the null-excluding part. * par-ch3.adb (P_Subtype_Declaration): Code cleanup. (P_Identifier_Declarations): Code cleanup and give support to renamings of anonymous access to subprogram types. (P_Derived_Type_Def_Or_Private_Ext_Decl): Code cleanup. (P_Array_Type_Definition): Give support to AI-254. (P_Component_Items): Give support to AI-254. (P_Access_Definition): New formal that indicates if the header was already parsed by the caller. (P_Access_Type_Definition): New formal that indicates if the caller has already parsed the null-excluding part. * par-ch6.adb (P_Formal_Part): Add the null-excluding parameter to the call to P_Access_Definition. 2004-04-19 Geert Bosch <bosch@gnat.com> * checks.adb (Apply_Float_Conversion_Check): New procedure to implement the delicate semantics of floating-point to integer conversion. (Apply_Type_Conversion_Checks): Use Apply_Float_Conversion_Check. * eval_fat.adb (Machine_Mantissa): Moved to spec. (Machine_Radix): New function. * eval_fat.ads (Machine_Mantissa): Moved from body for use in conversion checks. (Machine_Radix): New function also for use in conversion checks. 2004-04-19 Ed Schonberg <schonberg@gnat.com> * par-prag.adb (Source_File_Name_Project): Fix typo in error message. * exp_ch9.adb (Expand_Access_Protected_Subprogram_Type): Call analyze to decorate the access-to-protected subprogram and the equivalent type. * checks.adb (Null_Exclusion_Static_Checks): Code cleanup. Give support to anonymous access to subprogram types. * exp_ch4.adb (Expand_N_In): Preserve Static flag before constant-folding, for legality checks in contexts that require an RM static expression. * exp_ch6.adb (Expand_N_Function_Call): If call may generate large temporary but stack checking is not enabled, increment serial number to so that symbol generation is consistent with and without stack checking. * exp_util.ads, exp_util.adb (May_Generate_Large_Temp): Predicate is independent on whether stack checking is enabled, caller must check the corresponding flag. * sem_ch3.adb (Constrain_Index): Index bounds given by attributes need range checks. (Build_Derived_Concurrent_Type): Inherit Is_Constrained flag from parent if it has discriminants. (Build_Derived_Private_Type): Constructed full view does not come from source. (Process_Discriminants): Default discriminants on a tagged type are legal if this is the internal completion of a private untagged derivation. * sem_ch6.adb (Set_Actual_Subtypes): The generated declaration needs no constraint checks, because it corresponds to an existing object. * sem_prag.adb (Process_Convention): Pragma applies only to subprograms in the same declarative part, i.e. the same unit, not the same scope. * sem_res.adb (Valid_Conversion): In an instance or inlined body, ignore type mismatch on a numeric conversion if expression comes from expansion. 2004-04-19 Sergey Rybin <rybin@act-europe.fr> * sem_elim.adb (Process_Eliminate_Pragma): Remove the processing for Homonym_Number parameter, add processing for Source_Location parameter corresponding. (Check_Eliminated): Remove the check for homonym numbers, add the check for source location traces. * sem_elim.ads (Process_Eliminate_Pragma): Replace Arg_Homonym_Number with Arg_Source_Location corresponding to the changes in the format of the pragma. * sem_prag.adb: (Analyze_Pragma): Changes in the processing of Eliminate pragma corresponding to the changes in the format of the pragma: Homonym_Number is replaced with Source_Location, two ways of distinguishing homonyms are mutially-exclusive. 2004-04-19 Joel Brobecker <brobecker@gnat.com> * get_targ.ads (Get_No_Dollar_In_Label): Remove. * exp_dbug.adb (Output_Homonym_Numbers_Suffix): Remove use of No_Dollar_In_Label, no longer necessary, as it is always True. (Strip_Suffixes): Likewise. 2004-04-19 Gary Dismukes <dismukes@gnat.com> * s-stalib.ads (type Exception_Code): Use Integer'Size for exponent of modulus for compatibility with size clause on targets with 16-bit Integer. * layout.adb (Discrimify): In the case of private types, set Vtyp to full type to fix type mismatches on calls to size functions for discriminant-dependent array components. 2004-04-19 Jerome Guitton <guitton@act-europe.fr> * Makefile.in (gnatlib-zcx): New target, for building a ZCX run-time lib. 2004-04-19 Pascal Obry <obry@gnat.com> * mdll-utl.adb (Locate): New version is idempotent. From-SVN: r80856
Diffstat (limited to 'gcc/ada/trans.c')
-rw-r--r--gcc/ada/trans.c133
1 files changed, 73 insertions, 60 deletions
diff --git a/gcc/ada/trans.c b/gcc/ada/trans.c
index 8b24761c3a5..9c5b3f5f883 100644
--- a/gcc/ada/trans.c
+++ b/gcc/ada/trans.c
@@ -2073,10 +2073,6 @@ tree_transform (Node_Id gnat_node)
case N_Label:
gnu_result = build_nt (LABEL_STMT, gnat_to_gnu (Identifier (gnat_node)));
- LABEL_STMT_FIRST_IN_EH (gnu_result)
- = (Present (Parent (gnat_node))
- && Nkind (Parent (gnat_node)) == N_Exception_Handler
- && First (Statements (Parent (gnat_node))) == gnat_node);
break;
case N_Null_Statement:
@@ -2649,6 +2645,9 @@ tree_transform (Node_Id gnat_node)
gnu_subprog_type = TREE_TYPE (gnu_subprog_decl);
+ /* ??? Temporarily do this to avoid GC throwing away outer stuff. */
+ ggc_push_context ();
+
/* Set the line number in the decl to correspond to that of
the body so that the line number notes are written
correctly. */
@@ -2769,15 +2768,12 @@ tree_transform (Node_Id gnat_node)
mark_out_of_scope (Defining_Unit_Name (Specification (gnat_node)));
write_symbols = save_write_symbols;
debug_hooks = save_debug_hooks;
+ ggc_pop_context ();
}
break;
case N_Function_Call:
case N_Procedure_Call_Statement:
-
- if (type_annotate_only)
- break;
-
{
/* The GCC node corresponding to the GNAT subprogram name. This can
either be a FUNCTION_DECL node if we are dealing with a standard
@@ -2792,6 +2788,7 @@ tree_transform (Node_Id gnat_node)
Node_Id gnat_actual;
tree gnu_actual_list = NULL_TREE;
tree gnu_name_list = NULL_TREE;
+ tree gnu_before_list = NULL_TREE;
tree gnu_after_list = NULL_TREE;
tree gnu_subprog_call;
@@ -2827,8 +2824,9 @@ tree_transform (Node_Id gnat_node)
build_call_raise (PE_Stubbed_Subprogram_Called));
}
else
- expand_expr_stmt
- (build_call_raise (PE_Stubbed_Subprogram_Called));
+ gnu_result
+ = build_nt (EXPR_STMT,
+ build_call_raise (PE_Stubbed_Subprogram_Called));
break;
}
@@ -2920,10 +2918,15 @@ tree_transform (Node_Id gnat_node)
}
/* Set up to move the copy back to the original. */
- gnu_after_list = tree_cons (gnu_copy, gnu_actual,
- gnu_after_list);
-
- gnu_name = gnu_actual;
+ gnu_temp
+ = build_nt (EXPR_STMT,
+ build (MODIFY_EXPR, TREE_TYPE (gnu_copy),
+ gnu_copy, gnu_actual));
+
+ TREE_TYPE (gnu_temp) = void_type_node;
+ TREE_SLOC (gnu_temp) = Sloc (gnat_actual);
+ TREE_CHAIN (gnu_temp) = gnu_after_list;
+ gnu_after_list = gnu_temp;
}
}
@@ -3115,6 +3118,7 @@ tree_transform (Node_Id gnat_node)
gnu_result);
gnu_result_type = get_unpadded_type (Etype (gnat_node));
+ break;
}
/* If this is the case where the GNAT tree contains a procedure call
@@ -3218,26 +3222,29 @@ tree_transform (Node_Id gnat_node)
gnu_result);
}
- set_lineno (gnat_node, 1);
- expand_expr_stmt (build_binary_op (MODIFY_EXPR, NULL_TREE,
- gnu_actual, gnu_result));
+ gnu_result
+ = build_nt (EXPR_STMT,
+ build_binary_op (MODIFY_EXPR, NULL_TREE,
+ gnu_actual, gnu_result));
+ TREE_TYPE (gnu_result) = void_type_node;
+ TREE_SLOC (gnu_result) = Sloc (gnat_actual);
+ TREE_CHAIN (gnu_result) = gnu_before_list;
+ gnu_before_list = gnu_result;
scalar_return_list = TREE_CHAIN (scalar_return_list);
gnu_name_list = TREE_CHAIN (gnu_name_list);
}
}
else
{
- set_lineno (gnat_node, 1);
- expand_expr_stmt (gnu_subprog_call);
+ gnu_before_list = build_nt (EXPR_STMT, gnu_subprog_call);
+ TREE_TYPE (gnu_before_list) = void_type_node;
+ TREE_SLOC (gnu_before_list) = Sloc (gnat_node);
}
- /* Handle anything we need to assign back. */
- for (gnu_expr = gnu_after_list;
- gnu_expr;
- gnu_expr = TREE_CHAIN (gnu_expr))
- expand_expr_stmt (build_binary_op (MODIFY_EXPR, NULL_TREE,
- TREE_PURPOSE (gnu_expr),
- TREE_VALUE (gnu_expr)));
+ gnu_result = chainon (nreverse (gnu_before_list),
+ nreverse (gnu_after_list));
+ if (TREE_CHAIN (gnu_result))
+ gnu_result = build_nt (BLOCK_STMT, gnu_result);
}
break;
@@ -3895,22 +3902,10 @@ tree_transform (Node_Id gnat_node)
gnu_input_list = nreverse (gnu_input_list);
gnu_output_list = nreverse (gnu_output_list);
gnu_orig_out_list = nreverse (gnu_orig_out_list);
- expand_asm_operands (gnu_template, gnu_output_list, gnu_input_list,
- gnu_clobber_list, Is_Asm_Volatile (gnat_node),
- input_location);
-
- /* Copy all the intermediate outputs into the specified outputs. */
- for (; gnu_output_list;
- (gnu_output_list = TREE_CHAIN (gnu_output_list),
- gnu_orig_out_list = TREE_CHAIN (gnu_orig_out_list)))
- if (TREE_VALUE (gnu_orig_out_list) != TREE_VALUE (gnu_output_list))
- {
- expand_expr_stmt
- (build_binary_op (MODIFY_EXPR, NULL_TREE,
- TREE_VALUE (gnu_orig_out_list),
- TREE_VALUE (gnu_output_list)));
- free_temp_slots ();
- }
+ gnu_result = build_nt (ASM_STMT, gnu_template, gnu_output_list,
+ gnu_orig_out_list, gnu_input_list,
+ gnu_clobber_list);
+ TREE_THIS_VOLATILE (gnu_result) = Is_Asm_Volatile (gnat_node);
}
break;
@@ -3974,11 +3969,12 @@ tree_transform (Node_Id gnat_node)
gnu_ptr, gnu_byte_offset);
}
- set_lineno (gnat_node, 1);
- expand_expr_stmt
- (build_call_alloc_dealloc (gnu_ptr, gnu_obj_size, align,
- Procedure_To_Call (gnat_node),
- Storage_Pool (gnat_node), gnat_node));
+ gnu_result
+ = build_nt (EXPR_STMT,
+ build_call_alloc_dealloc
+ (gnu_ptr, gnu_obj_size, align,
+ Procedure_To_Call (gnat_node),
+ Storage_Pool (gnat_node), gnat_node));
}
break;
@@ -3997,15 +3993,14 @@ tree_transform (Node_Id gnat_node)
is one. */
if (TREE_CODE (gnu_result_type) == VOID_TYPE)
{
- set_lineno (gnat_node, 1);
+ gnu_result = build_nt (EXPR_STMT, gnu_result);
+ TREE_TYPE (gnu_result) = void_type_node;
+ TREE_SLOC (gnu_result) = Sloc (gnat_node);
if (Present (Condition (gnat_node)))
- expand_start_cond (gnat_to_gnu (Condition (gnat_node)), 0);
-
- expand_expr_stmt (gnu_result);
- if (Present (Condition (gnat_node)))
- expand_end_cond ();
- gnu_result = error_mark_node;
+ gnu_result = build_nt (IF_STMT,
+ gnat_to_gnu (Condition (gnat_node)),
+ gnu_result, NULL_TREE, NULL_TREE);
}
else
gnu_result = build1 (NULL_EXPR, gnu_result_type, gnu_result);
@@ -4235,7 +4230,7 @@ make_expr_stmt_from_rtl (rtx insns, Node_Id gnat_node)
void
gnat_expand_stmt (tree gnu_stmt)
{
- tree gnu_elmt;
+ tree gnu_elmt, gnu_elmt_2;
if (TREE_SLOC (gnu_stmt))
set_lineno_from_sloc (TREE_SLOC (gnu_stmt), 1);
@@ -4283,11 +4278,6 @@ gnat_expand_stmt (tree gnu_stmt)
case LABEL_STMT:
expand_label (LABEL_STMT_LABEL (gnu_stmt));
- if (LABEL_STMT_FIRST_IN_EH (gnu_stmt))
- nonlocal_goto_handler_labels
- = gen_rtx_EXPR_LIST (VOIDmode,
- label_rtx (LABEL_STMT_LABEL (gnu_stmt)),
- nonlocal_goto_handler_labels);
break;
case RETURN_STMT:
@@ -4299,6 +4289,29 @@ gnat_expand_stmt (tree gnu_stmt)
expand_null_return ();
break;
+ case ASM_STMT:
+ expand_asm_operands (ASM_STMT_TEMPLATE (gnu_stmt),
+ ASM_STMT_OUTPUT (gnu_stmt),
+ ASM_STMT_INPUT (gnu_stmt),
+ ASM_STMT_CLOBBER (gnu_stmt),
+ TREE_THIS_VOLATILE (gnu_stmt), input_location);
+
+ /* Copy all the intermediate outputs into the specified outputs. */
+ for ((gnu_elmt = ASM_STMT_OUTPUT (gnu_stmt),
+ gnu_elmt_2 = ASM_STMT_ORIG_OUT (gnu_stmt));
+ gnu_elmt;
+ (gnu_elmt = TREE_CHAIN (gnu_elmt),
+ gnu_elmt_2 = TREE_CHAIN (gnu_elmt_2)))
+ if (TREE_VALUE (gnu_elmt) != TREE_VALUE (gnu_elmt_2))
+ {
+ expand_expr_stmt
+ (build_binary_op (MODIFY_EXPR, NULL_TREE,
+ TREE_VALUE (gnu_elmt_2),
+ TREE_VALUE (gnu_elmt)));
+ free_temp_slots ();
+ }
+ break;
+
default:
abort ();
}