From: Jeffrey A Law <law@cygnus.com>
Date: Tue, 18 Aug 1998 21:57:14 +0000 (+0000)
Subject: haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last pending memory flush... 
X-Git-Tag: prereleases/egcs-1.1-prerelease~41
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=628d51e16415919ca3d575f2c057312350506185;p=thirdparty%2Fgcc.git

haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last pending memory flush list.

        * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
        pending memory flush list.

From-SVN: r21835
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 628d82648949..6f05e8c4b4fa 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -4,6 +4,9 @@ Tue Aug 18 13:05:59 BST 1998  Richard Earnshaw (rearnsha@arm.com)
 
 Tue Aug 18 10:32:11 1998  Jeffrey A Law  (law@cygnus.com)
 
+	* haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
+	pending memory flush list.
+
 	* regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
 	on notes.
 
diff --git a/gcc/haifa-sched.c b/gcc/haifa-sched.c
index 23a7865468e0..0eebda9e38a5 100644
--- a/gcc/haifa-sched.c
+++ b/gcc/haifa-sched.c
@@ -3813,6 +3813,10 @@ sched_analyze (head, tail)
     {
       if (GET_CODE (insn) == INSN || GET_CODE (insn) == JUMP_INSN)
 	{
+	  /* Make each JUMP_INSN a scheduling barrier for memory references.  */
+	  if (GET_CODE (insn) == JUMP_INSN)
+	    last_pending_memory_flush
+	      = alloc_INSN_LIST (insn, last_pending_memory_flush);
 	  sched_analyze_insn (PATTERN (insn), insn, loop_notes);
 	  loop_notes = 0;
 	}