From: Richard Henderson <rth@cygnus.com>
Date: Sat, 13 Mar 1999 17:38:17 +0000 (-0800)
Subject: * haifa-sched.c (sched_analyze_1): Only clear reg_last_uses on a SET.
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b452ec852d0c8200297e6fce7205f3090aa8a01c;p=platform%2Fupstream%2Fgcc.git

* haifa-sched.c (sched_analyze_1): Only clear reg_last_uses on a SET.

From-SVN: r25752
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5e2ec7a..3993efa 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+Sat Mar 13 17:37:18 1999  Richard Henderson  <rth@cygnus.com>
+
+	* haifa-sched.c (sched_analyze_1): Only clear reg_last_uses on a SET.
+
 Sat Mar 13 11:36:16 1999  Richard Earnshaw (rearnsha@arm.com)
 
 	* arm.c (arm_split_constant): Don't try to force a constant to
diff --git a/gcc/haifa-sched.c b/gcc/haifa-sched.c
index 8c7e8b58..cc8116b 100644
--- a/gcc/haifa-sched.c
+++ b/gcc/haifa-sched.c
@@ -3357,7 +3357,6 @@ sched_analyze_1 (x, insn)
 
 	      for (u = reg_last_uses[regno + i]; u; u = XEXP (u, 1))
 		add_dependence (insn, XEXP (u, 0), REG_DEP_ANTI);
-	      reg_last_uses[regno + i] = 0;
 
 	      for (u = reg_last_sets[regno + i]; u; u = XEXP (u, 1))
 		add_dependence (insn, XEXP (u, 0), REG_DEP_OUTPUT);
@@ -3366,6 +3365,7 @@ sched_analyze_1 (x, insn)
 		 but sets must be ordered with respect to a pending clobber. */
 	      if (code == SET)
 		{
+	          reg_last_uses[regno + i] = 0;
 	          for (u = reg_last_clobbers[regno + i]; u; u = XEXP (u, 1))
 		    add_dependence (insn, XEXP (u, 0), REG_DEP_OUTPUT);
 	          SET_REGNO_REG_SET (reg_pending_sets, regno + i);
@@ -3386,13 +3386,13 @@ sched_analyze_1 (x, insn)
 
 	  for (u = reg_last_uses[regno]; u; u = XEXP (u, 1))
 	    add_dependence (insn, XEXP (u, 0), REG_DEP_ANTI);
-	  reg_last_uses[regno] = 0;
 
 	  for (u = reg_last_sets[regno]; u; u = XEXP (u, 1))
 	    add_dependence (insn, XEXP (u, 0), REG_DEP_OUTPUT);
 
 	  if (code == SET)
 	    {
+	      reg_last_uses[regno] = 0;
 	      for (u = reg_last_clobbers[regno]; u; u = XEXP (u, 1))
 		add_dependence (insn, XEXP (u, 0), REG_DEP_OUTPUT);
 	      SET_REGNO_REG_SET (reg_pending_sets, regno);