From: Bill Schmidt <wschmidt@linux.vnet.ibm.com>
Date: Thu, 1 Dec 2016 23:13:25 +0000 (+0000)
Subject: backport: rs6000.c (insn_is_swappable_p): Properly look inside UNSPEC_VSX_XXSPLTW... 
X-Git-Tag: releases/gcc-5.5.0~671
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=562866d0cfef991a0f28108254686b673e4988c4;p=thirdparty%2Fgcc.git

backport: rs6000.c (insn_is_swappable_p): Properly look inside UNSPEC_VSX_XXSPLTW vec.

2016-12-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	Backport from mainline
	2016-12-01  Alan Modra  <amodra@gmail.com>

	* gcc/config/rs6000/rs6000.c (insn_is_swappable_p): Properly
	look inside UNSPEC_VSX_XXSPLTW vec.

From-SVN: r243144
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 12b758b08146..7e5d4ebe403a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+2016-12-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
+
+	Backport from mainline
+	2016-12-01  Alan Modra  <amodra@gmail.com>
+
+	* gcc/config/rs6000/rs6000.c (insn_is_swappable_p): Properly
+	look inside UNSPEC_VSX_XXSPLTW vec.
+
 2016-11-29  Kaz Kojima  <kkojima@gcc.gnu.org>
 
 	Backported from mainline
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 88f4e6c27d7c..cbcb94a7ed95 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -34572,7 +34572,7 @@ insn_is_swappable_p (swap_web_entry *insn_entry, rtx insn,
 	    if (GET_CODE (use_body) != SET
 		|| GET_CODE (SET_SRC (use_body)) != UNSPEC
 		|| XINT (SET_SRC (use_body), 1) != UNSPEC_VSX_XXSPLTW
-		|| XEXP (XEXP (SET_SRC (use_body), 0), 1) != const0_rtx)
+		|| XVECEXP (SET_SRC (use_body), 0, 1) != const0_rtx)
 	      return 0;
 	  }
 	}