From e7c0480bc32e0f3f569a677318a6c94f2c7ecd94 Mon Sep 17 00:00:00 2001
From: ptitSeb <sebastien.chev@gmail.com>
Date: Sat, 18 Mar 2023 07:44:18 +0000
Subject: [RV64_DYNAREC] Added 0F B6/B7 MOVZX opcodes

---
 src/dynarec/rv64/dynarec_rv64_0f.c | 41 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

(limited to 'src')

diff --git a/src/dynarec/rv64/dynarec_rv64_0f.c b/src/dynarec/rv64/dynarec_rv64_0f.c
index ed4d3c64..51e2784a 100644
--- a/src/dynarec/rv64/dynarec_rv64_0f.c
+++ b/src/dynarec/rv64/dynarec_rv64_0f.c
@@ -306,6 +306,47 @@ uintptr_t dynarec64_0F(dynarec_rv64_t* dyn, uintptr_t addr, uintptr_t ip, int ni
                 }
             }
             break;
+
+        case 0xB6:
+            INST_NAME("MOVZX Gd, Eb");
+            nextop = F8;
+            GETGD;
+            if(MODREG) {
+                if(rex.rex) {
+                    eb1 = xRAX+(nextop&7)+(rex.b<<3);
+                    eb2 = 0;                \
+                } else {
+                    ed = (nextop&7);
+                    eb1 = xRAX+(ed&3);  // Ax, Cx, Dx or Bx
+                    eb2 = (ed&4)>>2;    // L or H
+                }
+                if (eb2) {
+                    SRLI(gd, eb1, wb2);
+                    ANDI(gd, gd, 0xff);
+                } else {
+                    ANDI(gd, eb1, 0xff);
+                }
+            } else {
+                SMREAD();
+                addr = geted(dyn, addr, ninst, nextop, &ed, x2, x1, &fixedaddress, rex, NULL, 1, 0);
+                LBU(gd, ed, fixedaddress);
+            }
+            break;
+        case 0xB7:
+            INST_NAME("MOVZX Gd, Ew");
+            nextop = F8;
+            GETGD;
+            if(MODREG) {
+                ed = xRAX+(nextop&7)+(rex.b<<3);
+                SLLI(gd, ed, 48);
+                SRLI(gd, gd, 48);
+            } else {
+                SMREAD();
+                addr = geted(dyn, addr, ninst, nextop, &ed, x2, x1, &fixedaddress, rex, NULL, 1, 0);
+                LHU(gd, ed, fixedaddress);
+            }
+            break;
+
         default:
             DEFAULT;
     }
-- 
cgit 1.4.1