Revert:

	2007-04-23  Jan Hubicka  <jh@suse.cz>
	* function.c (init_function_start): Don't init line number info.
	(expand_function_end): Update.
	(reset_block_changes, record_block_change, finalize_block_changes,
	check_block_change, free_block_changes): Kill.
	* function.h (reset_block_changes, record_block_change,
	finalize_block_changes, check_block_change, free_block_changes): Remove
	prototypes.
	(struct function): Remove ib_boundaries_block.
	* emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
	Use curr_insn_locator to initialize locator.
	(emit_line_note): Remove.
	* cfgexpand.c (expand_gimple_cond_expr): Update.
	(construct_exit_block): Likewise.
	(tree_expand_cfg): Initialize/finalize locators.
	* expr.c (expand_expr_real): Update.
	* cfglayout.c (line_locators_locs, line_locators_lines,
	file_locators_locs, file_locators_files): Remove.
	(set_block_levels): Move to cfgexpand.c.
	(insn_locators_initialize): Remove.
	(pass_insn_locators_initialize): Remove.
	(locations_locators_locs, locations_locators_vals): New static vars.
	(curr_location, last_location, curr_block, last_block, curr_rtl_loc):
	Likewise.
	(insn_locators_alloc, insn_locators_finalize,
	set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
	New functions.
	(locator_location): New.
	(locator_line, locator_file): Rewrite.
	* rtl.h (emit_line_note): Kill.
	(insn_locators_alloc, insn_locators_finalize,
	set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
	Declare.
	* tree-inline.c (initialize_cfun): Do not initialize
	ib_boundaries_block.
	* passes.c (pass_insn_locators_initialize): Remove.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@124094 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 39 insertions, 3 deletions

diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
index e816026a3d4..16fa6c5ed7c 100644
--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -3336,7 +3336,7 @@ make_insn_raw (rtx pattern)
   INSN_CODE (insn) = -1;
   LOG_LINKS (insn) = NULL;
   REG_NOTES (insn) = NULL;
-  INSN_LOCATOR (insn) = curr_insn_locator ();
+  INSN_LOCATOR (insn) = 0;
   BLOCK_FOR_INSN (insn) = NULL;
 
 #ifdef ENABLE_RTL_CHECKING
@@ -3369,7 +3369,7 @@ make_jump_insn_raw (rtx pattern)
   LOG_LINKS (insn) = NULL;
   REG_NOTES (insn) = NULL;
   JUMP_LABEL (insn) = NULL;
-  INSN_LOCATOR (insn) = curr_insn_locator ();
+  INSN_LOCATOR (insn) = 0;
   BLOCK_FOR_INSN (insn) = NULL;
 
   return insn;
@@ -3390,7 +3390,7 @@ make_call_insn_raw (rtx pattern)
   LOG_LINKS (insn) = NULL;
   REG_NOTES (insn) = NULL;
   CALL_INSN_FUNCTION_USAGE (insn) = NULL;
-  INSN_LOCATOR (insn) = curr_insn_locator ();
+  INSN_LOCATOR (insn) = 0;
   BLOCK_FOR_INSN (insn) = NULL;
 
   return insn;
@@ -4460,6 +4460,42 @@ emit_barrier (void)
   return barrier;
 }
 
+/* Make line numbering NOTE insn for LOCATION add it to the end
+   of the doubly-linked list, but only if line-numbers are desired for
+   debugging info and it doesn't match the previous one.  */
+
+rtx
+emit_line_note (location_t location)
+{
+  rtx note;
+  
+#ifdef USE_MAPPED_LOCATION
+  if (location == last_location)
+    return NULL_RTX;
+#else
+  if (location.file && last_location.file
+      && !strcmp (location.file, last_location.file)
+      && location.line == last_location.line)
+    return NULL_RTX;
+#endif
+  last_location = location;
+  
+  if (no_line_numbers)
+    {
+      cur_insn_uid++;
+      return NULL_RTX;
+    }
+
+#ifdef USE_MAPPED_LOCATION
+  note = emit_note ((int) location);
+#else
+  note = emit_note (location.line);
+  NOTE_SOURCE_FILE (note) = location.file;
+#endif
+  
+  return note;
+}
+
 /* Emit a copy of note ORIG.  */
 
 rtx