tree-cfg.c (remove_bb): Only warn if line is non-zero.

gcc:
	* tree-cfg.c (remove_bb): Only warn if line is non-zero.
	* c-pch.c (c_common_read_pch): Restore current location after
	reading PCH file.
	* tree.c (expand_location): Update.
	(expr_filename): Changed return type.  Unified the two cases.
	(expr_lineno): Likewise.
	(annotate_with_file_line): Don't use EXPR_LINENO and EXPR_FILENAME
	as lvalues.
	* toplev.c (line_table): Changed type.
	(general_init): Update.
	(realloc_for_line_map): New function.
	(general_init): Allocate line_table using GC.
	* fix-header.c (line_table): Changed type.
	(read_scan_file): Update.
	(read_scan_file): Update.
	* c-ppoutput.c (maybe_print_line): Update.
	(print_line): Update.
	(cb_line_change): Update.
	(cb_define): Update.
	(pp_file_change): Update.
	* c-opts.c (c_common_init_options): Update.
	(finish_options): Update.
	(push_command_line_include): Update.
	* c-lex.c (cb_line_change): Update.
	(cb_def_pragma): Update.
	(cb_define): Update.
	(cb_undef): Update.
	(c_lex_with_flags): Use cpp_get_token_with_location.
	* input.h (line_table): Changed type.
	(location_from_locus): New macro.
	* tree.h (EXPR_FILENAME): No longer an lvalue.
	(EXPR_LINENO): Likewise.
	(expr_locus, set_expr_locus): Declare separately for
	USE_MAPPED_LOCATION.
	(expr_filename, expr_lineno): Changed return type.
	* gimplify.c (tree_to_gimple_tuple): Use SET_EXPR_LOCUS.
	* cfgexpand.c (expand_gimple_cond_expr): Use location_from_locus.
	(expand_gimple_basic_block): Likewise.
	* final.c (final_scan_insn): Use expanded_location.
gcc/cp:
	* decl.c (finish_function): Put return's location on line zero of
	file.
gcc/fortran:
	* scanner.c (get_file): Update.
	(load_file): Update.
	(gfc_next_char_literal): Use gfc_linebuf_linenum.
	* f95-lang.c (gfc_init): Update.
	* gfortran.h (gfc_linebuf_linenum): New macro.
gcc/java:
	* lang.c (java_post_options): Update.
	* jcf-parse.c (set_source_filename): Update.
	(give_name_to_class): Update.
	(jcf_parse): Update.
	(duplicate_class_warning): Update.
	(parse_class_file): Update.
	(java_parse_file): Update.
	* expr.c (expand_byte_code): Update.
gcc/testsuite:
	* lib/g++.exp (g++_target_compile): Use -fno-show-column.
gcc/treelang:
	* tree1.c (treelang_init): Update.
	(treelang_parse_file): Update.
	(treelang_parse_file): Update.
	(treelang_parse_file): Update.
	* lex.l: Update.
	(update_lineno_charno): Likewise.
libcpp:
	* internal.h (struct cpp_reader) <invocation_location>: New
	field.
	(struct cpp_reader) <set_invocation_location>: Likewise.
	* init.c (cpp_set_line_map): New function.
	* line-map.c (linemap_add): Use linemap's allocator.
	* include/line-map.h (GTY): Define.
	(line_map_realloc): New typedef.
	(struct line_map): Mark with GTY.
	(struct line_maps): Likewise.
	(struct line_maps) <maps>: Likewise.
	(struct line_maps) <reallocator>: New field.
	* include/symtab.h (GTY): Conditionally define.
	* include/cpplib.h (cpp_set_line_map): Declare.
	(cpp_get_token_with_location): Declare.
	* macro.c (cpp_get_token): Set invocation_location on the reader.
	(cpp_get_token_with_location): New function.

From-SVN: r128190

1 files changed, 7 insertions, 5 deletions

diff --git a/gcc/final.c b/gcc/final.c
index 7c2b4ea..e5e9b8d 100644
--- a/gcc/final.c
+++ b/gcc/final.c
@@ -2092,7 +2092,7 @@ final_scan_insn (rtx insn, FILE *file, int optimize ATTRIBUTE_UNUSED,
 
 	    if (string[0])
 	      {
-		location_t loc;
+		expanded_location loc;
 
 		if (! app_on)
 		  {
@@ -2100,7 +2100,7 @@ final_scan_insn (rtx insn, FILE *file, int optimize ATTRIBUTE_UNUSED,
 		    app_on = 1;
 		  }
 #ifdef USE_MAPPED_LOCATION
-		loc = ASM_INPUT_SOURCE_LOCATION (body);
+		loc = expand_location (ASM_INPUT_SOURCE_LOCATION (body));
 #else
 		loc.file = ASM_INPUT_SOURCE_FILE (body);
 		loc.line = ASM_INPUT_SOURCE_LINE (body);
@@ -2124,6 +2124,7 @@ final_scan_insn (rtx insn, FILE *file, int optimize ATTRIBUTE_UNUSED,
 	    rtx *ops = alloca (noperands * sizeof (rtx));
 	    const char *string;
 	    location_t loc;
+	    expanded_location expanded;
 
 	    /* There's no telling what that did to the condition codes.  */
 	    CC_STATUS_INIT;
@@ -2133,6 +2134,7 @@ final_scan_insn (rtx insn, FILE *file, int optimize ATTRIBUTE_UNUSED,
 	    /* Inhibit dieing on what would otherwise be compiler bugs.  */
 	    insn_noperands = noperands;
 	    this_is_asm_operands = insn;
+	    expanded = expand_location (loc);
 
 #ifdef FINAL_PRESCAN_INSN
 	    FINAL_PRESCAN_INSN (insn, ops, insn_noperands);
@@ -2146,12 +2148,12 @@ final_scan_insn (rtx insn, FILE *file, int optimize ATTRIBUTE_UNUSED,
 		    fputs (ASM_APP_ON, file);
 		    app_on = 1;
 		  }
-		if (loc.file && loc.line)
+		if (expanded.file && expanded.line)
 		  fprintf (asm_out_file, "%s %i \"%s\" 1\n",
-			   ASM_COMMENT_START, loc.line, loc.file);
+			   ASM_COMMENT_START, expanded.line, expanded.file);
 	        output_asm_insn (string, ops);
 #if HAVE_AS_LINE_ZERO
-		if (loc.file && loc.line)
+		if (expanded.file && expanded.line)
 		  fprintf (asm_out_file, "%s 0 \"\" 2\n", ASM_COMMENT_START);
 #endif
 	      }