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[PATCH] RTEMS: Adjust SPARC multilibs
- From: Sebastian Huber <sebastian dot huber at embedded-brains dot de>
- To: gcc-patches at gcc dot gnu dot org
- Cc: ebotcazou at adacore dot com, joel dot sherrill at oarcorp dot com, Sebastian Huber <sebastian dot huber at embedded-brains dot de>
- Date: Fri, 2 May 2014 10:43:56 +0200
- Subject: [PATCH] RTEMS: Adjust SPARC multilibs
- Authentication-results: sourceware.org; auth=none
A recent fix for the LEON3 support added a new option -muser-mode to
select the ASI of the CASA instruction used for atomic operations. Use
the user-mode CASA instruction since this works also in supervisor-mode.
This patch should be applied to GCC 4.8, 4,9 and mainline. I do not
have write access, so in case this gets approved, please commit it for
me.
gcc/ChangeLog
2014-05-02 Sebastian Huber <sebastian.huber@embedded-brains.de>
* config/sparc/t-rtems: Use user-mode for leon3 multilibs.
---
gcc/config/sparc/t-rtems | 18 ++++++++++++++++--
1 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/gcc/config/sparc/t-rtems b/gcc/config/sparc/t-rtems
index f1a3d84..91de612 100644
--- a/gcc/config/sparc/t-rtems
+++ b/gcc/config/sparc/t-rtems
@@ -17,6 +17,20 @@
# <http://www.gnu.org/licenses/>.
#
-MULTILIB_OPTIONS = msoft-float mcpu=v8/mcpu=leon3
-MULTILIB_DIRNAMES = soft v8 leon3
+MULTILIB_OPTIONS = msoft-float mcpu=v8/mcpu=leon3 muser-mode
+MULTILIB_DIRNAMES = soft v8 leon3 user-mode
MULTILIB_MATCHES = msoft-float=mno-fpu
+
+# Enumeration of multilibs
+
+MULTILIB_EXCEPTIONS += msoft-float/mcpu=v8/muser-mode
+# MULTILIB_EXCEPTIONS += msoft-float/mcpu=v8
+# MULTILIB_EXCEPTIONS += msoft-float/mcpu=leon3/muser-mode
+MULTILIB_EXCEPTIONS += msoft-float/mcpu=leon3
+MULTILIB_EXCEPTIONS += msoft-float/muser-mode
+# MULTILIB_EXCEPTIONS += msoft-float
+MULTILIB_EXCEPTIONS += mcpu=v8/muser-mode
+# MULTILIB_EXCEPTIONS += mcpu=v8
+# MULTILIB_EXCEPTIONS += mcpu=leon3/muser-mode
+MULTILIB_EXCEPTIONS += mcpu=leon3
+MULTILIB_EXCEPTIONS += muser-mode
--
1.7.7