From 570a98eb7c116ea107e1c2167da244782cc4b988 Mon Sep 17 00:00:00 2001
From: Jan Hubicka <jh@suse.cz>
Date: Tue, 7 Aug 2001 22:24:08 +0200
Subject: calls.c (expand_call): Do not emit INSN_SETJMP note.

	* calls.c (expand_call): Do not emit INSN_SETJMP note.
	(emit_library_call_value_1): Likewise.
	(emit_call_1): Emit REG_SETJMP note.
	* cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
	of INSN_SETJMP
	* cselib.c (cselib_process_insn): Likewise.
	* flow.c (propagate_block): Likewise.
	* loop.c (find_and_verify_loops): Likewise.
	* reload.c (find_equiv_regs): Likewise.
	* reload1.c (reload): Likewise.
	* resource.c (mark_referenced_resources,
	mark_set_resources): Likewise.
	* sched-deps (sched_analyze_insn, sched_analyze): Likewise.
	* final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
	* haifa-sched.c (unlink_other_notes): Likewise.
	(reemit_notes): Likewise.
	* sched-ebb.c (sched_ebb): Likewise.
	* sched-rgc.c (sched_region): Likewise.
	* rtl.c (note_insn_name): Likewise.
	(reg_note_name): Add REG_SETJMP
	* rtl.h (reg_note): Add REG_SETJMP.
	(insn_note): Remove NOTE_INSN_SETJMP.

	* profile.c (branch_prob): Add fake edges for setjmp.

From-SVN: r44700
---
 gcc/loop.c | 28 +++++++++++++++-------------
 1 file changed, 15 insertions(+), 13 deletions(-)

(limited to 'gcc/loop.c')

diff --git a/gcc/loop.c b/gcc/loop.c
index 50b430d..46225bb 100644
--- a/gcc/loop.c
+++ b/gcc/loop.c
@@ -2512,19 +2512,6 @@ find_and_verify_loops (f, loops)
 	    current_loop = next_loop;
 	    break;
 
-	  case NOTE_INSN_SETJMP:
-	    /* In this case, we must invalidate our current loop and any
-	       enclosing loop.  */
-	    for (loop = current_loop; loop; loop = loop->outer)
-	      {
-		loop->invalid = 1;
-		if (loop_dump_stream)
-		  fprintf (loop_dump_stream,
-			   "\nLoop at %d ignored due to setjmp.\n",
-			   INSN_UID (loop->start));
-	      }
-	    break;
-
 	  case NOTE_INSN_LOOP_CONT:
 	    current_loop->cont = insn;
 	    break;
@@ -2545,6 +2532,21 @@ find_and_verify_loops (f, loops)
 	    break;
 	  }
 
+      if (GET_CODE (insn) == CALL
+	  && find_reg_note (insn, REG_SETJMP, NULL))
+	{
+	  /* In this case, we must invalidate our current loop and any
+	     enclosing loop.  */
+	  for (loop = current_loop; loop; loop = loop->outer)
+	    {
+	      loop->invalid = 1;
+	      if (loop_dump_stream)
+		fprintf (loop_dump_stream,
+			 "\nLoop at %d ignored due to setjmp.\n",
+			 INSN_UID (loop->start));
+	    }
+	}
+
       /* Note that this will mark the NOTE_INSN_LOOP_END note as being in the
 	 enclosing loop, but this doesn't matter.  */
       uid_loop[INSN_UID (insn)] = current_loop;
-- 
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