From: Bernd Schmidt <bernds@cygnus.co.uk>
Date: Tue, 14 Dec 1999 12:40:02 +0000 (+0000)
Subject: Undo one misguided optimization attempt in previous change.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e483bf9c62e9fa8c89e55d1bd527d4710e47e083;p=gcc.git

Undo one misguided optimization attempt in previous change.

From-SVN: r30915
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 91bb2202236..a4423d0cf18 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,8 @@
 1999-12-14  Bernd Schmidt  <bernds@cygnus.co.uk>
 
+	* reload1.c (reload): Can't avoid select_reload_regs/finish_spills
+	if something changed.  Back out that part of yesterday's changes.
+
 	* loop.c (loop_max_reg): New static variable.
 	(loop_optimize): Initialize it.  Eliminate one unnecessary call to
 	max_reg_num.
diff --git a/gcc/reload1.c b/gcc/reload1.c
index 4bdcaf8de9d..bedcebb5d16 100644
--- a/gcc/reload1.c
+++ b/gcc/reload1.c
@@ -948,18 +948,13 @@ reload (first, global, dumpfile)
 	    }
       }
 
-      /* No point in trying to select reload registers if we know we're
-	 going to re-run everything again.  */
-      if (! something_changed)
-	{
-	  select_reload_regs (dumpfile);
+      select_reload_regs (dumpfile);
+      if (failure)
+	goto failed;
 
-	  if (failure)
-	    goto failed;
+      if (insns_need_reload != 0 || did_spill)
+	something_changed |= finish_spills (global, dumpfile);
 
-	  if (insns_need_reload != 0 || did_spill)
-	    something_changed |= finish_spills (global, dumpfile);
-	}
       if (! something_changed)
 	break;