Add RISC-V support

Issue #31 (libatomic_ops).

* src/Makefile.am (nobase_private_HEADERS): Add riscv.h entry.
* src/atomic_ops.h [__riscv]: Include riscv.h file.
* src/atomic_ops/sysdeps/gcc/riscv.h: New file (just include generic.h).

diff --git a/src/Makefile.am b/src/Makefile.am
index dadc932..084dd3c 100644 (file)
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -92,6 +92,7 @@ nobase_private_HEADERS = atomic_ops/ao_version.h \
           atomic_ops/sysdeps/gcc/mips.h \
           atomic_ops/sysdeps/gcc/nios2.h \
           atomic_ops/sysdeps/gcc/powerpc.h \
+          atomic_ops/sysdeps/gcc/riscv.h \
           atomic_ops/sysdeps/gcc/s390.h \
           atomic_ops/sysdeps/gcc/sh.h \
           atomic_ops/sysdeps/gcc/sparc.h \

diff --git a/src/atomic_ops.h b/src/atomic_ops.h
index 187e1f9..22e516f 100644 (file)
--- a/src/atomic_ops.h
+++ b/src/atomic_ops.h
@@ -352,6 +352,9 @@
 # if defined(__tile__)
 #   include "atomic_ops/sysdeps/gcc/tile.h"
 # endif
+# if defined(__riscv)
+#   include "atomic_ops/sysdeps/gcc/riscv.h"
+# endif
 #endif /* __GNUC__ && !AO_USE_PTHREAD_DEFS */
 
 #if (defined(__IBMC__) || defined(__IBMCPP__)) && !defined(__GNUC__) \

diff --git a/src/atomic_ops/sysdeps/gcc/riscv.h b/src/atomic_ops/sysdeps/gcc/riscv.h
new file mode 100644 (file)
index 0000000..412c395
--- /dev/null
+++ b/src/atomic_ops/sysdeps/gcc/riscv.h
@@ -0,0 +1,12 @@
+/*
+ * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
+ * OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
+ *
+ * Permission is hereby granted to use or copy this program
+ * for any purpose,  provided the above notices are retained on all copies.
+ * Permission to modify the code and to distribute modified code is granted,
+ * provided the above notices are retained, and a notice that the code was
+ * modified is included with the above copyright notice.
+ */
+
+#include "generic.h"