From 1bc5aee63eb72b341f506ad058502cd0361f0d10 Mon Sep 17 00:00:00 2001 From: Ben Cheng Date: Tue, 25 Mar 2014 22:37:19 -0700 Subject: Initial checkin of GCC 4.9.0 from trunk (r208799). Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba --- gcc-4.9/gcc/testsuite/gcc.dg/vect/pr48377.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 gcc-4.9/gcc/testsuite/gcc.dg/vect/pr48377.c (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/vect/pr48377.c') diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/vect/pr48377.c b/gcc-4.9/gcc/testsuite/gcc.dg/vect/pr48377.c new file mode 100644 index 000000000..24846cd04 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/vect/pr48377.c @@ -0,0 +1,25 @@ +/* PR tree-optimization/48377 */ +/* { dg-require-effective-target non_strict_align } */ + +typedef unsigned int U __attribute__((__aligned__ (1), __may_alias__)); + +__attribute__((noinline, noclone)) unsigned int +foo (const char *s, int len) +{ + const U *p = (const U *) s; + unsigned int f = len / sizeof (unsigned int), hash = len, i; + + for (i = 0; i < f; ++i) + hash += *p++; + return hash; +} + +char buf[64] __attribute__((aligned (32))); + +int +main (void) +{ + return foo (buf + 1, 26) != 26; +} + +/* { dg-final { cleanup-tree-dump "vect" } } */ -- cgit v1.2.3