X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=operators%2Foperators.h;h=b9abb3e4a1505af262559c38b895f4dd1f93ca65;hb=1e33219bc00f9d93832ce7d057cdbc280c512e9c;hp=e69de29bb2d1d6434b8b29ae775ad8c2e48c5391;hpb=76741f66364651749e7dfbd857df335656a30dee;p=riscv-isa-sim.git

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); }
+};