From: Stephane Carrez <stcarrez@nerim.fr>
Date: Fri, 28 Jun 2002 20:49:36 +0000 (+0200)
Subject: m68hc11.h (OPTIMIZATION_OPTIONS): Define.
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4caff360ac1a8b3c4e7e0433d982e85613e6bac1;p=platform%2Fupstream%2Fgcc.git

m68hc11.h (OPTIMIZATION_OPTIONS): Define.

	* config/m68hc11/m68hc11.h (OPTIMIZATION_OPTIONS): Define.
	* config/m68hc11/m68hc11-protos.h (m68hc11_optimization_options):
	Declare.
	* config/m68hc11/m68hc11.c (m68hc11_optimization_options): New,
	do not reorder basic blocks at the end when optimizing for size.

From-SVN: r55079
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0f38b0f..1f8fbd5 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -7,6 +7,14 @@
 
 2002-06-28  Stephane Carrez  <stcarrez@nerim.fr>
 
+	* config/m68hc11/m68hc11.h (OPTIMIZATION_OPTIONS): Define.
+	* config/m68hc11/m68hc11-protos.h (m68hc11_optimization_options):
+	Declare.
+	* config/m68hc11/m68hc11.c (m68hc11_optimization_options): New,
+	do not reorder basic blocks at the end when optimizing for size.
+
+2002-06-28  Stephane Carrez  <stcarrez@nerim.fr>
+
 	* config/m68hc11/m68hc11.c (autoinc_mode): New function.
 	(m68hc11_make_autoinc_notes): New function.
 	(m68hc11_split_move): Be very cautious when spliting a move with
diff --git a/gcc/config/m68hc11/m68hc11-protos.h b/gcc/config/m68hc11/m68hc11-protos.h
index ee5bd6a..20bc83e 100644
--- a/gcc/config/m68hc11/m68hc11-protos.h
+++ b/gcc/config/m68hc11/m68hc11-protos.h
@@ -1,6 +1,6 @@
 /* Prototypes for exported functions defined in m68hc11.c
    Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
-   Contributed by Stephane Carrez (stcarrez@worldnet.fr)
+   Contributed by Stephane Carrez (stcarrez@nerim.fr)
 
 This file is part of GNU CC.
 
@@ -21,6 +21,7 @@ Boston, MA 02111-1307, USA.  */
 
 
 extern int m68hc11_override_options PARAMS((void));
+extern int m68hc11_optimization_options PARAMS((int,int));
 extern void m68hc11_conditional_register_usage PARAMS((void));
 extern int hard_regno_mode_ok PARAMS((int, enum machine_mode));
 
diff --git a/gcc/config/m68hc11/m68hc11.c b/gcc/config/m68hc11/m68hc11.c
index 4fb054d3..be7b24b 100644
--- a/gcc/config/m68hc11/m68hc11.c
+++ b/gcc/config/m68hc11/m68hc11.c
@@ -288,6 +288,21 @@ m68hc11_override_options ()
 }
 
 
+int
+m68hc11_optimization_options (level, size)
+     int level ATTRIBUTE_UNUSED;
+     int size;
+{
+  /* When optimizing for size, do not reorder basic blocks because
+     it duplicates some insns for speed and this results in larder code.
+     This reordering can still be enabled but explicitly.  */
+  if (size)
+    {
+      flag_reorder_blocks = 0;
+    }
+  return 0;
+}
+
 void
 m68hc11_conditional_register_usage ()
 {
diff --git a/gcc/config/m68hc11/m68hc11.h b/gcc/config/m68hc11/m68hc11.h
index 42950e7..467862f 100644
--- a/gcc/config/m68hc11/m68hc11.h
+++ b/gcc/config/m68hc11/m68hc11.h
@@ -1,7 +1,7 @@
 /* Definitions of target machine for GNU compiler.
    Motorola 68HC11 and 68HC12.
    Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
-   Contributed by Stephane Carrez (stcarrez@worldnet.fr)
+   Contributed by Stephane Carrez (stcarrez@nerim.fr)
 
 This file is part of GNU CC.
 
@@ -214,6 +214,10 @@ extern const char *m68hc11_soft_reg_count;
 
 #define OVERRIDE_OPTIONS	m68hc11_override_options ();
 
+/* Define this to change the optimizations performed by default.  */
+#define OPTIMIZATION_OPTIONS(LEVEL, SIZE) \
+m68hc11_optimization_options(LEVEL, SIZE)
+
 
 /* Define cost parameters for a given processor variant.  */
 struct processor_costs {