From: Richard Sandiford <rdsandiford@googlemail.com>
Date: Sun, 25 Oct 2009 15:59:17 +0000 (+0000)
Subject: mips.c (mips_restore_gp_from_cprestore_slot): Emit a note when expanding to nothing.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c870c233bd08e944f4a70973af92e42f040c4366;p=gcc.git

mips.c (mips_restore_gp_from_cprestore_slot): Emit a note when expanding to nothing.

gcc/
	* config/mips/mips.c (mips_restore_gp_from_cprestore_slot): Emit
	a note when expanding to nothing.

From-SVN: r153540
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 82e7b7c1850..e17878e1763 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2009-10-25  Richard Sandiford  <rdsandiford@googlemail.com>
+
+	* config/mips/mips.c (mips_restore_gp_from_cprestore_slot): Emit
+	a note when expanding to nothing.
+
 2009-10-25  Richard Guenther  <rguenther@suse.de>
 
 	PR middle-end/41814
diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c
index 4b4353c95ac..f82091a7f36 100644
--- a/gcc/config/mips/mips.c
+++ b/gcc/config/mips/mips.c
@@ -9537,7 +9537,10 @@ mips_restore_gp_from_cprestore_slot (rtx temp)
   gcc_assert (TARGET_ABICALLS && TARGET_OLDABI && epilogue_completed);
 
   if (!cfun->machine->must_restore_gp_when_clobbered_p)
-    return;
+    {
+      emit_note (NOTE_INSN_DELETED);
+      return;
+    }
 
   if (TARGET_MIPS16)
     {