Compile pr79793-[12].c with -mtune=generic

Message ID	20170731134757.GA16450@gmail.com
State	New
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Date: Mon, 31 Jul 2017 06:47:57 -0700
From: "H.J. Lu" <hongjiu.lu@intel.com>
To: gcc-patches@gcc.gnu.org
Cc: Uros Bizjak <ubizjak@gmail.com>
Subject: [PATCH] Compile pr79793-[12].c with -mtune=generic
Message-ID: <20170731134757.GA16450@gmail.com>
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Commit Message

H.J. Lu July 31, 2017, 1:47 p.m. UTC

pr79793-1.c and pr79793-2.c are failed when GCC is configured with
--with-cpu=slm since lea is used to adjust stack, instead of sub/add.
This patch uses -mtune=generic to always generate sub and add.

OK for trunk?

H.J.
----
	* gcc.target/i386/pr79793-1.c: Compile with -mtune=generic.
	* gcc.target/i386/pr79793-2.c: Likewise.
---
 gcc/testsuite/gcc.target/i386/pr79793-1.c | 2 +-
 gcc/testsuite/gcc.target/i386/pr79793-2.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

Comments

Uros Bizjak July 31, 2017, 1:51 p.m. UTC | #1

On Mon, Jul 31, 2017 at 3:47 PM, H.J. Lu <hongjiu.lu@intel.com> wrote:
> pr79793-1.c and pr79793-2.c are failed when GCC is configured with
> --with-cpu=slm since lea is used to adjust stack, instead of sub/add.
> This patch uses -mtune=generic to always generate sub and add.
>
> OK for trunk?

OK.

Thanks,
Uros.

> H.J.
> ----
>         * gcc.target/i386/pr79793-1.c: Compile with -mtune=generic.
>         * gcc.target/i386/pr79793-2.c: Likewise.
> ---
>  gcc/testsuite/gcc.target/i386/pr79793-1.c | 2 +-
>  gcc/testsuite/gcc.target/i386/pr79793-2.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/gcc/testsuite/gcc.target/i386/pr79793-1.c b/gcc/testsuite/gcc.target/i386/pr79793-1.c
> index a382fe9c5e2..1cc67a83ba3 100644
> --- a/gcc/testsuite/gcc.target/i386/pr79793-1.c
> +++ b/gcc/testsuite/gcc.target/i386/pr79793-1.c
> @@ -1,5 +1,5 @@
>  /* { dg-do compile { target { *-*-linux* && { ! ia32 } } } } */
> -/* { dg-options "-O2 -mgeneral-regs-only" } */
> +/* { dg-options "-O2 -mgeneral-regs-only -mtune=generic" } */
>
>  void
>   __attribute__ ((interrupt))
> diff --git a/gcc/testsuite/gcc.target/i386/pr79793-2.c b/gcc/testsuite/gcc.target/i386/pr79793-2.c
> index f6ae5aed33a..e1e6463e120 100644
> --- a/gcc/testsuite/gcc.target/i386/pr79793-2.c
> +++ b/gcc/testsuite/gcc.target/i386/pr79793-2.c
> @@ -1,5 +1,5 @@
>  /* { dg-do compile { target { *-*-linux* && { ! ia32 } } } } */
> -/* { dg-options "-O2 -mgeneral-regs-only" } */
> +/* { dg-options "-O2 -mgeneral-regs-only -mtune=generic" } */
>
>  typedef unsigned int uword_t __attribute__ ((mode (__word__)));
>
> --
> 2.13.3
>

diff --git a/gcc/testsuite/gcc.target/i386/pr79793-1.c b/gcc/testsuite/gcc.target/i386/pr79793-1.c
index a382fe9c5e2..1cc67a83ba3 100644
--- a/gcc/testsuite/gcc.target/i386/pr79793-1.c
+++ b/gcc/testsuite/gcc.target/i386/pr79793-1.c
@@ -1,5 +1,5 @@ 
 /* { dg-do compile { target { *-*-linux* && { ! ia32 } } } } */
-/* { dg-options "-O2 -mgeneral-regs-only" } */
+/* { dg-options "-O2 -mgeneral-regs-only -mtune=generic" } */
 
 void
  __attribute__ ((interrupt))
diff --git a/gcc/testsuite/gcc.target/i386/pr79793-2.c b/gcc/testsuite/gcc.target/i386/pr79793-2.c
index f6ae5aed33a..e1e6463e120 100644
--- a/gcc/testsuite/gcc.target/i386/pr79793-2.c
+++ b/gcc/testsuite/gcc.target/i386/pr79793-2.c
@@ -1,5 +1,5 @@ 
 /* { dg-do compile { target { *-*-linux* && { ! ia32 } } } } */
-/* { dg-options "-O2 -mgeneral-regs-only" } */
+/* { dg-options "-O2 -mgeneral-regs-only -mtune=generic" } */
 
 typedef unsigned int uword_t __attribute__ ((mode (__word__)));

Compile pr79793-[12].c with -mtune=generic

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