From e36c1cfe080b1f8150e28eb45ef8e190df1dd6ef Mon Sep 17 00:00:00 2001
From: "Naveen H.S" <Naveen.Hurugalawadi@caviumnetworks.com>
Date: Wed, 23 Nov 2016 10:29:18 +0000
Subject: fold-const.c (tree_expr_nonzero_p): Make non-static.

2016-11-23  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

gcc
	* fold-const.c (tree_expr_nonzero_p) : Make non-static.
	* fold-const.h (tree_expr_nonzero_p) : Declare.
	* match.pd (cmp (mult:c @0 @1) (mult:c @2 @1) : New Pattern.

gcc/testsuite
	* gcc.dg/pr31096.c: New testcase.
	* gcc.dg/pr31096-1.c: New testcase.

From-SVN: r242744
---
 gcc/testsuite/gcc.dg/pr31096.c | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 gcc/testsuite/gcc.dg/pr31096.c

(limited to 'gcc/testsuite/gcc.dg/pr31096.c')

diff --git a/gcc/testsuite/gcc.dg/pr31096.c b/gcc/testsuite/gcc.dg/pr31096.c
new file mode 100644
index 0000000..32c979e
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr31096.c
@@ -0,0 +1,36 @@
+/* PR middle-end/31096 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+
+#define signval_pos(name, op) \
+int name (int a, int b) \
+{ return a * 4 op b * 4; }
+
+signval_pos(peq, ==) signval_pos(pne, !=) signval_pos(plt, <)
+signval_pos(pgt, >)  signval_pos(pge, >=) signval_pos(ple, <=)
+
+#define signval_neg(name, op) \
+int name (int a, int b) \
+{ return a * -23 op b * -23; }
+
+signval_neg(neq, ==) signval_neg(nne, !=) signval_neg(nlt, <)
+signval_neg(ngt, >)  signval_neg(nge, >=) signval_neg(nle, <=)
+
+#define vec_pos(name, op) \
+int name (int a[10], int b[10]) \
+{ return a[3] * 4 op b[8] * 4; }
+
+vec_pos(vpeq, ==) vec_pos(vpne, !=) vec_pos(vplt, <)
+vec_pos(vpgt, >)  vec_pos(vpge, >=) vec_pos(vple, <=)
+
+#define vec_neg(name, op) \
+int name (int a[10], int b[10]) \
+{ return a[3] * -23 op b[8] * -23; }
+
+vec_neg(vneq, ==) vec_neg(vnne, !=) vec_neg(vnlt, <)
+vec_neg(vngt, >)  vec_neg(vnge, >=) vec_neg(vnle, <=)
+
+/* { dg-final { scan-tree-dump-not "\\(D\\) \\* 4" "optimized" } } */
+/* { dg-final { scan-tree-dump-not "\\(D\\) \\* -23" "optimized" } } */
+/* { dg-final { scan-tree-dump-times "_1 = b_2\\(D\\)" 4 "optimized" } } */
+/* { dg-final { scan-tree-dump-times "_1 = MEM\\\[\\(int \\*\\)b" 4 "optimized" } } */
-- 
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