From: Alan Modra <amodra@gmail.com>
Date: Thu, 12 Feb 2015 21:39:36 +0000 (+1030)
Subject: rs6000.c (rs6000_emit_epilogue): Use addsi3_carry or adddi3_carry when restoring... 
X-Git-Tag: releases/gcc-5.1.0~984
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8ae6ac51d45d07b87546a06a376ba5e75e1f4486;p=thirdparty%2Fgcc.git

rs6000.c (rs6000_emit_epilogue): Use addsi3_carry or adddi3_carry when restoring frame_reg_rtx from r0 after restvr.

	* config/rs6000/rs6000.c (rs6000_emit_epilogue): Use addsi3_carry
	or adddi3_carry when restoring frame_reg_rtx from r0 after restvr.

From-SVN: r220665
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c3ed1cb811f8..177c2d4d9158 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2015-02-13  Alan Modra  <amodra@gmail.com>
+
+	* config/rs6000/rs6000.c (rs6000_emit_epilogue): Use addsi3_carry
+	or adddi3_carry when restoring frame_reg_rtx from r0 after restvr.
+
 2015-02-12  David Howells  <dhowells@redhat.com>
 
 	* tree-sra.c (dump_dereferences_table): Avoid -Wformat-security
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 949c4d22b21c..4214262e5dce 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -24977,7 +24977,12 @@ rs6000_emit_epilogue (int sibcall)
 		  rtx offset = GEN_INT (end_save + ptr_off);
 
 		  frame_off = -end_save;
-		  emit_insn (gen_add3_insn (frame_reg_rtx, ptr_reg, offset));
+		  if (TARGET_32BIT)
+		    emit_insn (gen_addsi3_carry (frame_reg_rtx,
+						 ptr_reg, offset));
+		  else
+		    emit_insn (gen_adddi3_carry (frame_reg_rtx,
+						 ptr_reg, offset));
 		}
 	      else
 		{