Add toolchain for riscv (ia ic il) and riscv64 (ja jc jl)

Because the rv64 ISA is very nearly a proper superset of rv32, the
compilers ic and jc are actually the same program, which compiles
to .i or .j depending on how it is invoked; similarly for ia/ja and
il/jl. It is also possible to invoke ia/ic/il with a '-j' option to
specify 64-bit behaviour.

1 files changed, 9 insertions, 0 deletions

diff --git a/utils/ic/machcap.c b/utils/ic/machcap.c
new file mode 100644
index 00000000..4da0aa91
--- /dev/null
+++ b/utils/ic/machcap.c
@@ -0,0 +1,9 @@
+#include "gc.h"
+
+int
+machcap(Node *n)
+{
+	if(n == Z)	/* test */
+		return thechar == 'j';
+	return 0;
+}