* ifcvt.c (noce_try_store_flag, noce_try_store_flag_constants,

        noce_try_store_flag_inc, noce_try_store_flag_mask, noce_try_cmove,
        noce_try_cmove_arith, noce_try_minmax, noce_try_abs): Insert new
        code before JUMP, not EARLIEST.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53123 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 31 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.c-torture/execute/20020503-1.c b/gcc/testsuite/gcc.c-torture/execute/20020503-1.c
new file mode 100644
index 00000000000..6d45ca09af0
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/20020503-1.c
@@ -0,0 +1,31 @@
+/* PR 6534 */
+/* GCSE unified the two i<0 tests, but if-conversion to ui=abs(i) 
+   insertted the code at the wrong place corrupting the i<0 test.  */
+
+void abort (void);
+static char *
+inttostr (long i, char buf[128])
+{
+  unsigned long ui = i;
+  char *p = buf + 127;
+  *p = '\0';
+  if (i < 0)
+    ui = -ui;
+  do
+    *--p = '0' + ui % 10;
+  while ((ui /= 10) != 0);
+  if (i < 0)
+    *--p = '-';
+  return p;
+}
+
+int
+main ()
+{
+  char buf[128], *p;
+
+  p = inttostr (-1, buf);
+  if (*p != '-')
+    abort ();
+  return 0;
+}