From: Martin Liska <mliska@suse.cz>
Date: Thu, 28 Jul 2016 08:26:51 +0000 (+0200)
Subject: Do not allow make_compound_operation for vector mode
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e5f5bf35d760274a0564e25da3931ec31d29d336;p=gcc.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

From-SVN: r238808
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d2e4ecb0eab..919f3f8bacb 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 1becc3c719d..93c17109cc2 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 204ec1c3054..4becb4afcd1 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