From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Fri, 9 Nov 2018 09:53:43 +0000 (+0000)
Subject: elwidth version of lt
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=879c7f05abfa973867a6cbb8b9c9c033b16eb6ca;p=riscv-isa-sim.git

elwidth version of lt
---

diff --git a/riscv/sv_insn_redirect.cc b/riscv/sv_insn_redirect.cc
index 6f9579d..03ffe7f 100644
--- a/riscv/sv_insn_redirect.cc
+++ b/riscv/sv_insn_redirect.cc
@@ -737,7 +737,19 @@ sv_reg_t sv_proc_t::rv_sr(sv_reg_t const & lhs, sv_reg_t const & rhs,
 
 bool sv_proc_t::rv_lt(sv_reg_t const & lhs, sv_reg_t const & rhs)
 {
-    return lhs < rhs;
+    uint8_t bitwidth = _insn->src_bitwidth;
+    uint64_t vlhs = 0;
+    uint64_t vrhs = 0;
+    if (rv_int_op_prepare(lhs, rhs, vlhs, vrhs, bitwidth)) {
+        bool result = lhs < rhs;
+        fprintf(stderr, "lt result %lx %lx %x\n",
+                (uint64_t)lhs, (uint64_t)rhs, result);
+        return result;
+    }
+    bool result = vlhs < vrhs;
+    fprintf(stderr, "lt result %lx %lx %d bw %d\n",
+            (uint64_t)lhs, (uint64_t)rhs, result, bitwidth);
+    return result;
 }
 
 bool sv_proc_t::rv_lt(sv_sreg_t const & lhs, sv_sreg_t const & rhs)