From 1e33219bc00f9d93832ce7d057cdbc280c512e9c Mon Sep 17 00:00:00 2001
From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Wed, 10 Oct 2018 15:01:42 +0100
Subject: [PATCH] add operators test class

---
 operators/operators.cc     |  1 +
 operators/operators.h      | 25 +++++++++++++++++++++++++
 operators/operators.t.cc   | 15 ++++++++++++++-
 operators/operators_test.h |  1 +
 4 files changed, 41 insertions(+), 1 deletion(-)
 create mode 100644 operators/operators_test.h

diff --git a/operators/operators.cc b/operators/operators.cc
index e69de29..79f74a5 100644
--- a/operators/operators.cc
+++ b/operators/operators.cc
@@ -0,0 +1 @@
+#include "operators.h"
diff --git a/operators/operators.h b/operators/operators.h
index e69de29..b9abb3e 100644
--- a/operators/operators.h
+++ b/operators/operators.h
@@ -0,0 +1,25 @@
+#include "stdint.h"
+#include "decode.h"
+
+typedef uint64_t (*cvt)(uint64_t r);
+
+uint64_t u64_u64_cvt(reg_t r) { return r; }
+uint64_t u64_u16_cvt(reg_t r) { return (uint64_t)(uint16_t)r; }
+
+uint64_t (sext32)(reg_t r) { return sext32(r); }
+
+class opcvt
+{
+public:
+    cvt cv_rd;
+    cvt cv_rs1;
+    cvt cv_rs2;
+    opcvt(cvt _cv_rd, cvt _cv_rs1, cvt _cv_rs2) :
+                        cv_rd(_cv_rd), cv_rs1(_cv_rs1), cv_rs2(_cv_rs2) {}
+
+    void add(reg_t &rd, const reg_t &rs1, const reg_t &rs2)
+        { rd = cv_rd(cv_rs1(rs1) + cv_rs2(rs2)); }
+
+    //R operator+ (op2 &s2) { return typecvt(s1 + typecvt(s2)); }
+    //operator R() { return typecvt(s1); }
+};
diff --git a/operators/operators.t.cc b/operators/operators.t.cc
index 75bd379..24b20da 100644
--- a/operators/operators.t.cc
+++ b/operators/operators.t.cc
@@ -1,6 +1,19 @@
 #include <stdio.h>
 
+#include "operators.h"
+#include "operators_test.h"
+#include "decode.h"
+
 int main(int argc, char *argv[])
 {
-    printf("hello\n");
+    /*op2<uint16_t, uint16_t, uint32_t> o(0xfff0);
+    uint32_t p = 0xfffffef;
+    o = o + p;
+    */
+    opcvt cvt(u64_u64_cvt, u64_u64_cvt, sext32);
+    uint64_t o = 0xff00;
+    uint64_t  s1 = 0x1ff01;
+    uint64_t  s2 = 0x2ff01;
+    cvt.add(o, s1, s2);
+    printf("hello %lx\n", o);
 }
diff --git a/operators/operators_test.h b/operators/operators_test.h
new file mode 100644
index 0000000..e9a8d31
--- /dev/null
+++ b/operators/operators_test.h
@@ -0,0 +1 @@
+#define require_rv64
-- 
2.30.2