From: David Edelsohn <edelsohn@gnu.org>
Date: Mon, 21 Nov 2005 16:12:32 +0000 (+0000)
Subject: re PR target/24953 (RTL check: access of elt 1 of vector with last elt 0 in vrsave_op... 
X-Git-Tag: releases/gcc-4.2.0~5833
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=72c164b3f80fada904619f8af974adf53ceff1ad;p=thirdparty%2Fgcc.git

re PR target/24953 (RTL check: access of elt 1 of vector with last elt 0 in vrsave_operation_1, at config/rs6000/predicates.md:1041)

	PR target/24953
	* config/rs6000/predicates.md (vrsave_operation): Check
	UNSPEC_VOLATILE value.

From-SVN: r107311
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 008444d0bd94..fdc3098b922d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2005-11-21  David Edelsohn  <edelsohn@gnu.org>
+
+	PR target/24953
+	* config/rs6000/predicates.md (vrsave_operation): Check
+	UNSPEC_VOLATILE value.
+
 2005-11-21  Jan Hubicka  <jh@suse.cz>
 
 	PR tree-optimization/24653
diff --git a/gcc/config/rs6000/predicates.md b/gcc/config/rs6000/predicates.md
index 0ede69dcd1f4..a76280d5ac89 100644
--- a/gcc/config/rs6000/predicates.md
+++ b/gcc/config/rs6000/predicates.md
@@ -1034,7 +1034,8 @@
   if (count <= 1
       || GET_CODE (XVECEXP (op, 0, 0)) != SET
       || GET_CODE (SET_DEST (XVECEXP (op, 0, 0))) != REG
-      || GET_CODE (SET_SRC (XVECEXP (op, 0, 0))) != UNSPEC_VOLATILE)
+      || GET_CODE (SET_SRC (XVECEXP (op, 0, 0))) != UNSPEC_VOLATILE
+      || XINT (SET_SRC (XVECEXP (op, 0, 0)), 1) != UNSPECV_SET_VRSAVE)
     return 0;
 
   dest_regno = REGNO (SET_DEST (XVECEXP (op, 0, 0)));