From e2a58934367e16bca62615e8794d056ea586d2e5 Mon Sep 17 00:00:00 2001
From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Sat, 3 Nov 2018 15:24:14 +0000
Subject: [PATCH] raise exception if permutation set to reserved value

---
 riscv/processor.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/riscv/processor.cc b/riscv/processor.cc
index f24784b..37b762a 100644
--- a/riscv/processor.cc
+++ b/riscv/processor.cc
@@ -153,6 +153,7 @@ void sv_shape_t::setup_map()
         case SV_SHAPE_PERM_YZX: order[0] = 1; order[1] = 2; order[2] = 0; break;
         case SV_SHAPE_PERM_ZXY: order[0] = 2; order[1] = 0; order[2] = 1; break;
         case SV_SHAPE_PERM_ZYX: order[0] = 2; order[1] = 1; order[2] = 0; break;
+        default: throw trap_illegal_instruction(0);
     }
     for (int i = 0; i < 128; i++)
     {
-- 
2.30.2