aboutsummaryrefslogtreecommitdiff
path: root/gcc
diff options
context:
space:
mode:
authorTrevor Saunders <tbsaunde+gcc@tbsaunde.org>2015-05-24 00:32:49 +0000
committerTrevor Saunders <tbsaunde@gcc.gnu.org>2015-05-24 00:32:49 +0000
commit15469812ac10f2c390e1da454a5dbf3635c9d690 (patch)
tree035dbd3a7dff2458f2dec94cb430f029f9a96234 /gcc
parentc76a46105140316e3e7dabd3a2e32a0cffa27d5c (diff)
downloadgcc-15469812ac10f2c390e1da454a5dbf3635c9d690.zip
gcc-15469812ac10f2c390e1da454a5dbf3635c9d690.tar.gz
gcc-15469812ac10f2c390e1da454a5dbf3635c9d690.tar.bz2
provide default for HAVE_mem_signal_fence
gcc/ChangeLog: 2015-05-23 Trevor Saunders <tbsaunde+gcc@tbsaunde.org> * defaults.h (gen_mem_signal_fence): New function. (HAVE_mem_signal_fence): Add default value. * optabs.c: Adjust. From-SVN: r223622
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/defaults.h10
-rw-r--r--gcc/optabs.c5
3 files changed, 16 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index cd0358a..5e540b6 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,11 @@
2015-05-23 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
+ * defaults.h (gen_mem_signal_fence): New function.
+ (HAVE_mem_signal_fence): Add default value.
+ * optabs.c: Adjust.
+
+2015-05-23 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
+
* defaults.h (gen_memory_barrier): New function.
(HAVE_memory_barrier): Add default value.
* optabs.c: Adjust.
diff --git a/gcc/defaults.h b/gcc/defaults.h
index a7455e5..50004d5 100644
--- a/gcc/defaults.h
+++ b/gcc/defaults.h
@@ -1464,6 +1464,16 @@ gen_memory_barrier ()
}
#endif
+#ifndef HAVE_mem_signal_fence
+#define HAVE_mem_signal_fence 0
+static inline rtx
+gen_mem_signal_fence (rtx)
+{
+ gcc_unreachable ();
+ return NULL;
+}
+#endif
+
#endif /* GCC_INSN_FLAGS_H */
#endif /* ! GCC_DEFAULTS_H */
diff --git a/gcc/optabs.c b/gcc/optabs.c
index d3c1d21..49e1c53 100644
--- a/gcc/optabs.c
+++ b/gcc/optabs.c
@@ -7608,11 +7608,6 @@ expand_mem_thread_fence (enum memmodel model)
/* This routine will either emit the mem_signal_fence pattern or issue a
sync_synchronize to generate a fence for memory model MEMMODEL. */
-#ifndef HAVE_mem_signal_fence
-# define HAVE_mem_signal_fence 0
-# define gen_mem_signal_fence(x) (gcc_unreachable (), NULL_RTX)
-#endif
-
void
expand_mem_signal_fence (enum memmodel model)
{