]> gcc.gnu.org Git - gcc.git/commitdiff
re PR target/44202 (Missing compare after add)
authorHans-Peter Nilsson <hp@axis.com>
Thu, 20 May 2010 06:44:45 +0000 (06:44 +0000)
committerHans-Peter Nilsson <hp@gcc.gnu.org>
Thu, 20 May 2010 06:44:45 +0000 (06:44 +0000)
PR target/44202
* gcc.c-torture/execute/pr44202-1.c: New test.

From-SVN: r159611

gcc/testsuite/ChangeLog
gcc/testsuite/gcc.c-torture/execute/pr44202-1.c [new file with mode: 0644]

index a3658dbd564f6bd8a958b940611aace9ac2720a3..92eb3cf8a8b0947b5abcf4dc3db72c36f2bd6c57 100644 (file)
@@ -1,3 +1,8 @@
+2010-05-20  Hans-Peter Nilsson  <hp@axis.com>
+
+       PR target/44202
+       * gcc.c-torture/execute/pr44202-1.c: New test.
+
 2010-05-19 Jerry DeLisle <jvdelisle@gcc.gnu.org>
 
        PR fortran/43851
diff --git a/gcc/testsuite/gcc.c-torture/execute/pr44202-1.c b/gcc/testsuite/gcc.c-torture/execute/pr44202-1.c
new file mode 100644 (file)
index 0000000..37e84f2
--- /dev/null
@@ -0,0 +1,30 @@
+extern __attribute__ ((__noreturn__)) void exit(int);
+extern __attribute__ ((__noreturn__)) void abort(void);
+__attribute__ ((__noinline__))
+int
+add512(int a, int *b)
+{
+  int c = a + 512;
+  if (c != 0)
+    *b = a;
+  return c;
+}
+
+__attribute__ ((__noinline__))
+int
+add513(int a, int *b)
+{
+  int c = a + 513;
+  if (c == 0)
+    *b = a;
+  return c;
+}
+
+int main(void)
+{
+  int b0 = -1;
+  int b1 = -1;
+  if (add512(-512, &b0) != 0 || b0 != -1 || add513(-513, &b1) != 0 || b1 != -513)
+    abort ();
+  exit (0);
+}
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