gcc:

	* gcov.c (output_data): Round to % to nearest, tweak formatting.
testsuite:
	* lib/gcov.exp: Tweak expected line formats.
	* gcc.misc-tests/gcov8.c: New test.
	* gcc.misc-tests/gcov8.x: New flags.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@56059 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 49 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.misc-tests/gcov-8.c b/gcc/testsuite/gcc.misc-tests/gcov-8.c
new file mode 100644
index 00000000000..58eec645558
--- /dev/null
+++ b/gcc/testsuite/gcc.misc-tests/gcov-8.c
@@ -0,0 +1,47 @@
+/* Check that gcov correctly rounds nearly zero to non-zero and nearly
+   100 to not-100.
+
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   Contributed by Nathan Sidwell <nathan@codesourcery.com>
+*/
+
+/* { dg-options "-fprofile-arcs -ftest-coverage" } */
+/* { dg-do run { target native } } */
+
+int proxy (int i)
+{
+  return i;
+}
+
+int foo (int i)
+{
+  if (i > 0) /* branch(1) */
+    return proxy (1);
+  else if (i < 0) /* branch(100) */
+    return proxy (-1);
+  else
+    return proxy (0);
+}
+
+int baz (int i)
+{
+  if (i == 0) /* branch(99) */
+    return proxy (0);
+  else if (i > 0) /* branch(0)*/
+    return proxy (1);
+  else
+    return proxy (-1);
+}
+
+int main ()
+{
+  int t = 0;
+  int ix;
+
+  for (ix = 0; ix != 1000; ix++)
+    t += foo (ix) + baz (ix);
+  
+  return t == 0;
+}
+
+/* { dg-final { run-gcov -b gcov-8.c } } */
diff --git a/gcc/testsuite/gcc.misc-tests/gcov-8.x b/gcc/testsuite/gcc.misc-tests/gcov-8.x
new file mode 100644
index 00000000000..b01ef42b9d7
--- /dev/null
+++ b/gcc/testsuite/gcc.misc-tests/gcov-8.x
@@ -0,0 +1,2 @@
+set gcov_verify_branches 1
+return 0