From: marxin <marxin@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu, 28 Jul 2016 08:26:51 +0000 (+0000)
Subject: Do not allow make_compound_operation for vector mode
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=8355460456181b965656a29b200d6e85c3134a91;p=thirdparty%2Fgcc.git

Do not allow make_compound_operation for vector mode

	* g++.dg/vect/pr70944.cc: New test.
	PR rtl-optimization/70944
	* combine.c (make_compound_operation):
	Do not allow make_compound_operation for vector mode


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@238808 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d2e4ecb0eab4..919f3f8bacb4 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2016-07-28  Martin Liska  <mliska@suse.cz>
+
+	PR rtl-optimization/70944
+	* combine.c (make_compound_operation):
+	Do not allow make_compound_operation for vector mode
+
 2016-07-28  Kugan Vivekanandarajah  <kuganv@linaro.org>
 
 	PR middle-end/71994
diff --git a/gcc/combine.c b/gcc/combine.c
index 1becc3c719db..93c17109cc2a 100644
--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -7770,6 +7770,10 @@ make_compound_operation (rtx x, enum rtx_code in_code)
   rtx tem;
   const char *fmt;
 
+  /* PR rtl-optimization/70944.  */
+  if (VECTOR_MODE_P (mode))
+    return x;
+
   /* Select the code to be used in recursive calls.  Once we are inside an
      address, we stay there.  If we have a comparison, set to COMPARE,
      but once inside, go back to our default of SET.  */
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 204ec1c30545..4becb4afcd14 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2016-07-28  Martin Liska  <mliska@suse.cz>
+
+	* g++.dg/vect/pr70944.cc: New test.
+
 2016-07-28  Kugan Vivekanandarajah  <kuganv@linaro.org>
 
 	PR middle-end/71994