From: Alan Modra <amodra@gmail.com>
Date: Thu, 1 Dec 2016 07:14:04 +0000 (+1030)
Subject: [RS6000] fix rtl-checking internal compiler error
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f73ee211c30c292316ffa6f55eca3531c67a4de7;p=gcc.git

[RS6000] fix rtl-checking internal compiler error

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

From-SVN: r243097
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e2f7b25e9be..e36f9d849ff 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2016-12-01  Alan Modra  <amodra@gmail.com>
+
+	* gcc/config/rs6000/rs6000.c (insn_is_swappable_p): Properly
+	look inside UNSPEC_VSX_XXSPLTW vec.
+
 2016-12-01  Segher Boessenkool  <segher@kernel.crashing.org>
 
 	PR rtl-optimization/78607
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 9fe98b7dd6a..7f307b1ff0f 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -40675,7 +40675,7 @@ 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;
 	  }
 	}