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/pr59605.c | 57 ++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 gcc-4.9/gcc/testsuite/gcc.dg/pr59605.c (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/pr59605.c') diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/pr59605.c b/gcc-4.9/gcc/testsuite/gcc.dg/pr59605.c new file mode 100644 index 000000000..5f87c99b0 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/pr59605.c @@ -0,0 +1,57 @@ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ +/* { dg-additional-options "-minline-stringops-dynamically" { target { i?86-*-* x86_64-*-* } } } */ + +extern void abort (void); + +#define MAX_OFFSET (sizeof (long long)) +#ifndef MAX_COPY +#define MAX_COPY (1024 + 8192) +#endif +#define MAX_EXTRA (sizeof (long long)) + +#define MAX_LENGTH (MAX_OFFSET + MAX_COPY + MAX_EXTRA) + +static union { + char buf[MAX_LENGTH]; + long long align_int; + long double align_fp; +} u; + +char A[MAX_LENGTH]; + +int +main () +{ + int off, len, i; + char *p, *q; + + for (i = 0; i < MAX_LENGTH; i++) + A[i] = 'A'; + + for (off = 0; off < MAX_OFFSET; off++) + for (len = 1; len < MAX_COPY; len++) + { + for (i = 0; i < MAX_LENGTH; i++) + u.buf[i] = 'a'; + + p = __builtin_memcpy (u.buf + off, A, len); + if (p != u.buf + off) + abort (); + + q = u.buf; + for (i = 0; i < off; i++, q++) + if (*q != 'a') + abort (); + + for (i = 0; i < len; i++, q++) + if (*q != 'A') + abort (); + + for (i = 0; i < MAX_EXTRA; i++, q++) + if (*q != 'a') + abort (); + } + + return 0; +} -- cgit v1.2.3