From: Jan Hubicka <hubicka@freesoft.cz>
Date: Tue, 14 Dec 1999 12:56:06 +0000 (+0100)
Subject: regclass.c (scan_one_insn): Set loop_cost to 1 when optimizing for size.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2f12c89d4ce0f6729eee90a81208bcd87af3c0eb;p=gcc.git

regclass.c (scan_one_insn): Set loop_cost to 1 when optimizing for size.

	* regclass.c (scan_one_insn): Set loop_cost to 1 when
	optimizing for size.

From-SVN: r30918
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5dbd9a695dc..62f07341c11 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+Tue Dec 14 13:51:38 MET 1999  Jan Hubicka  <hubicka@freesoft.cz>
+
+	* regclass.c (scan_one_insn): Set loop_cost to 1 when
+	optimizing for size.
+
 1999-12-14  Bernd Schmidt  <bernds@cygnus.co.uk>
 
 	* reload1.c (reload): Can't avoid select_reload_regs/finish_spills
diff --git a/gcc/regclass.c b/gcc/regclass.c
index a67d91e100b..e8eca4de2fc 100644
--- a/gcc/regclass.c
+++ b/gcc/regclass.c
@@ -829,9 +829,14 @@ scan_one_insn (insn, pass)
   if (code == NOTE)
     {
       if (NOTE_LINE_NUMBER (insn) == NOTE_INSN_LOOP_BEG)
-	loop_depth++, loop_cost = 1 << (2 * MIN (loop_depth, 5));
+	loop_depth++;
       else if (NOTE_LINE_NUMBER (insn) == NOTE_INSN_LOOP_END)
-	loop_depth--, loop_cost = 1 << (2 * MIN (loop_depth, 5));
+	loop_depth--;
+
+      if (optimize_size)
+	loop_cost = 1;
+      else
+	loop_cost = 1 << (2 * MIN (loop_depth, 5));
 
       return insn;
     }