Fix ICE in tree-chkp-opt.c (PR tree-optimization/79631).

2017-03-09  Martin Liska  <mliska@suse.cz>

	PR tree-optimization/79631
	* tree-chkp-opt.c (chkp_is_constant_addr): Call
	tree_int_cst_sign_bit just for INTEGER constants.
2017-03-09  Martin Liska  <mliska@suse.cz>

	PR tree-optimization/79631
	* gcc.target/i386/mpx/pr79631.c: New test.

From-SVN: r245998

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 33670abf0f203e8a2a7d366652a131ce1a8d6326..c3718e31b04101cc1cb2b2247a33172ff74cbcba 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2017-03-09  Martin Liska  <mliska@suse.cz>
+
+       PR tree-optimization/79631
+       * tree-chkp-opt.c (chkp_is_constant_addr): Call
+       tree_int_cst_sign_bit just for INTEGER constants.
+
 2017-03-09  Martin Liska  <mliska@suse.cz>
 
        PR target/65705

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index e31735b3391bfe05df96c295250886450aa400d7..f576273d9c1bc26be6f01c83518f931dfd046352 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2017-03-09  Martin Liska  <mliska@suse.cz>
+
+       PR tree-optimization/79631
+       * gcc.target/i386/mpx/pr79631.c: New test.
+
 2017-03-09  Martin Liska  <mliska@suse.cz>
 
        PR target/65705

diff --git a/gcc/testsuite/gcc.target/i386/mpx/pr79631.c b/gcc/testsuite/gcc.target/i386/mpx/pr79631.c
new file mode 100644 (file)
index 0000000..075d46b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/mpx/pr79631.c
@@ -0,0 +1,15 @@
+/* { dg-do compile { target { ! x32 } } } */
+/* { dg-options "-fcheck-pointer-bounds -mmpx -O2" } */
+
+typedef struct { int _mp_size; } mpz_t[1];
+int a, b;
+void fn1()
+{
+  mpz_t c[1][b];
+  for (;;) {
+      int d = 0 >= 0 ? 0 == 0 ? c[0][0]->_mp_size ? -1 : 0 : 0 : 0,
+         e = 0 >= 0 ? 0 == 0 ? c[1][1]->_mp_size ? -1 : 0 : 0 : 0;
+      if (d != e)
+       a++;
+  }
+}

diff --git a/gcc/tree-chkp-opt.c b/gcc/tree-chkp-opt.c
index ebe0545977313f04f5ff85d3f775862cf646a01e..ab98edb4f40d922521e140646fd3e6f49d08f50f 100644 (file)
--- a/gcc/tree-chkp-opt.c
+++ b/gcc/tree-chkp-opt.c
@@ -239,9 +239,11 @@ chkp_is_constant_addr (const address_t &addr, int *sign)
     return false;
   else if (addr.pol[0].var)
     return false;
+  else if (TREE_CODE (addr.pol[0].cst) != INTEGER_CST)
+    return false;
   else if (integer_zerop (addr.pol[0].cst))
     *sign = 0;
-  else if  (tree_int_cst_sign_bit (addr.pol[0].cst))
+  else if (tree_int_cst_sign_bit (addr.pol[0].cst))
     *sign = -1;
   else
     *sign = 1;