On Sun, Nov 9, 2014 at 9:56 AM, H.J. Lu <hongjiu...@intel.com> wrote:
> Hi,
>
> I checked in this patch to fix buffer overflow in
> avx256-unaligned-load-7.c and avx256-unaligned-store-7.c.
>
>
> H.J.
> ---
> diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
> index 0e469f0..e7f0b22 100644
> --- a/gcc/testsuite/ChangeLog
> +++ b/gcc/testsuite/ChangeLog
> @@ -1,3 +1,10 @@
> +2014-11-09 H.J. Lu <hongjiu...@intel.com>
> +
> + PR testsuite/63305
> + * gcc.target/i386/avx256-unaligned-load-7.c (avx_test): Fix
> + buffer overflow.
> + * gcc.target/i386/avx256-unaligned-store-7.c (avx_test): Likewise.
> +
> 2014-11-09 Andreas Schwab <sch...@linux-m68k.org>
>
> * gcc.target/powerpc/pr51623.c: Fix implicit declarations.
> diff --git a/gcc/testsuite/gcc.target/i386/avx256-unaligned-load-7.c
> b/gcc/testsuite/gcc.target/i386/avx256-unaligned-load-7.c
> index 4a94e03..4c6054c 100644
> --- a/gcc/testsuite/gcc.target/i386/avx256-unaligned-load-7.c
> +++ b/gcc/testsuite/gcc.target/i386/avx256-unaligned-load-7.c
> @@ -34,7 +34,7 @@ avx_test (void)
> cp = mp;
> dp = lp;
>
> - for (i = N; i >= 0; i--)
> + for (i = N; i > 0; i--)
> {
> *cp++ = str;
> *dp++ = str;
> @@ -45,13 +45,13 @@ avx_test (void)
> cp = mp;
> dp = lp;
>
> - for (i = N; i >= 0; i--)
> + for (i = N; i > 0; i--)
> {
> *ap++ = *cp++;
> *bp++ = *dp++;
> }
>
> - for (i = N; i >= 0; i--)
> + for (i = N; i > 0; i--)
> {
> if (strcmp (*--ap, "STR") != 0)
> abort ();
> diff --git a/gcc/testsuite/gcc.target/i386/avx256-unaligned-store-7.c
> b/gcc/testsuite/gcc.target/i386/avx256-unaligned-store-7.c
> index 85e387a..99a0c71 100644
> --- a/gcc/testsuite/gcc.target/i386/avx256-unaligned-store-7.c
> +++ b/gcc/testsuite/gcc.target/i386/avx256-unaligned-store-7.c
> @@ -30,13 +30,13 @@ avx_test (void)
> ap = ep;
> bp = fp;
>
> - for (i = N; i >= 0; i--)
> + for (i = N; i > 0; i--)
> {
> *ap++ = str;
> *bp++ = str;
> }
>
> - for (i = N; i >= 0; i--)
> + for (i = N; i > 0; i--)
> {
> if (strcmp (*--ap, "STR") != 0)
> abort ();
I also backported it to 4.9 branch.
--
H.J.
