From: Jakub Jelinek <jakub@redhat.com>
Date: Tue, 28 Jun 2016 08:29:11 +0000 (+0200)
Subject: re PR rtl-optimization/71673 (FAIL: c-c++-common/torture/builtin-arith-overflow-p... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=95ef39f4415224f4d98c85c10a9efa9f2f952fe0;p=gcc.git

re PR rtl-optimization/71673 (FAIL: c-c++-common/torture/builtin-arith-overflow-p-19.c -O2  (internal compiler error))

	PR rtl-optimization/71673
	* internal-fn.c (expand_arith_overflow_result_store): Use
	OPTAB_LIB_WIDEN instead of OPTAB_DIRECT as last argument to
	expand_simple_binop.

From-SVN: r237815
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ad247ce0f20..338c60331d0 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,10 @@
 2016-06-28  Jakub Jelinek  <jakub@redhat.com>
 
+	PR rtl-optimization/71673
+	* internal-fn.c (expand_arith_overflow_result_store): Use
+	OPTAB_LIB_WIDEN instead of OPTAB_DIRECT as last argument to
+	expand_simple_binop.
+
 	PR middle-end/66867
 	* builtins.c (expand_ifn_atomic_compare_exchange_into_call,
 	expand_ifn_atomic_compare_exchange): New functions.
diff --git a/gcc/internal-fn.c b/gcc/internal-fn.c
index 5dd813f707a..49f34958663 100644
--- a/gcc/internal-fn.c
+++ b/gcc/internal-fn.c
@@ -454,7 +454,7 @@ expand_arith_overflow_result_store (tree lhs, rtx target,
 	    = immed_wide_int_const (wi::shifted_mask (0, prec, false, tgtprec),
 				    tgtmode);
 	  lres = expand_simple_binop (tgtmode, AND, res, mask, NULL_RTX,
-				      true, OPTAB_DIRECT);
+				      true, OPTAB_LIB_WIDEN);
 	}
       else
 	{