add rv64 backend

It is mostly complete, but still has a few ABI bugs when passing
floats in structs, or when structs are passed partly in register,
and partly on stack.

1 files changed, 1 insertions, 1 deletions

diff --git a/test/dark.ssa b/test/dark.ssa
index a1b2e60..de58e4c 100644
--- a/test/dark.ssa
+++ b/test/dark.ssa
@@ -1,4 +1,4 @@
-# skip arm64
+# skip arm64 rv64
 # a hack example,
 # we use a dark type to get
 # a pointer to the stack.