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Re: [testsuite] PATCH: Add -fno-pie to gcc.target/i386/pr54445-2.c
- From: Uros Bizjak <ubizjak at gmail dot com>
- To: "H.J. Lu" <hjl dot tools at gmail dot com>
- Cc: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
- Date: Thu, 15 Jan 2015 13:44:11 +0100
- Subject: Re: [testsuite] PATCH: Add -fno-pie to gcc.target/i386/pr54445-2.c
- Authentication-results: sourceware.org; auth=none
- References: <20150112003413 dot GA30204 at gmail dot com>
On Mon, Jan 12, 2015 at 1:34 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
> Since PIE is also PIC, we need to add -fno-pie to avoid PIC. OK for trunk?
>
> Thanks.
>
> H.J.
> ---
> gcc/testsuite/gcc.target/i386/pr54445-2.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> 2015-01-11 H.J. Lu <hongjiu.lu@intel.com>
>
> * gcc.target/i386/pr54445-2.c: Add -fno-pie.
>
> diff --git a/gcc/testsuite/gcc.target/i386/pr54445-2.c b/gcc/testsuite/gcc.target/i386/pr54445-2.c
> index 5151c13..4d49816 100644
> --- a/gcc/testsuite/gcc.target/i386/pr54445-2.c
> +++ b/gcc/testsuite/gcc.target/i386/pr54445-2.c
> @@ -1,5 +1,5 @@
> /* { dg-do compile { target { *-*-linux* && { ! { ia32 } } } } } */
> -/* { dg-options "-O2 -fno-pic" } */
> +/* { dg-options "-O2 -fno-pic -fno-pie" } */
>
> __thread unsigned char tls_array[64];
No. PI *executable* has nothing to do with the access to data.
Can you rather investigate why -fpie is generating:
movzbl %fs:-1+tls_array@tpoff(%rdi), %eax
instead of (expected)
movzbl %fs:tls_array@tpoff-1(%rdi), %eax
Uros.