From: Nick Clifton <nickc@cygnus.com>
Date: Thu, 13 Jan 2000 23:01:59 +0000 (+0000)
Subject: fix compile time warnings about unused epilogue instructions
X-Git-Tag: prereleases/libstdc++-2.92~8742
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ff17f164035e09f502390f76ac111d3d54b724ee;p=thirdparty%2Fgcc.git

fix compile time warnings about unused epilogue instructions

From-SVN: r31397
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 144759a32b63..1edf3ab107ab 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2000-01-13  Nick Clifton  <nickc@cygnus.com>
+
+	* config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
+	register to prevent compile time warnings.
+
 2000-01-13  Zack Weinberg  <zack@wolery.cumb.org>
 
 	* longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
diff --git a/gcc/config/fr30/fr30.c b/gcc/config/fr30/fr30.c
index e03ea5bb8fde..1504a77e1ff0 100644
--- a/gcc/config/fr30/fr30.c
+++ b/gcc/config/fr30/fr30.c
@@ -377,7 +377,10 @@ fr30_expand_epilogue ()
     
   for (regno = 0; regno < STACK_POINTER_REGNUM; regno ++)
     if (current_frame_info.gmask & (1 << regno))
-      emit_insn (gen_movsi_pop (gen_rtx_REG (Pmode, regno)));
+      {
+	emit_insn (gen_movsi_pop (gen_rtx_REG (Pmode, regno)));
+	emit_insn (gen_rtx_USE (VOIDmode, regno));
+      }
   
   if (current_frame_info.pretend_size)
     emit_insn (gen_add_to_stack (GEN_INT (current_frame_info.pretend_size)));