From 15a4be2db14420b30de25a7386b4dab39be00ac2 Mon Sep 17 00:00:00 2001
From: ptitSeb <sebastien.chev@gmail.com>
Date: Tue, 24 Sep 2024 14:31:59 +0200
Subject: [ARM64_DYNAREC] Added 66 0F BF opcode (and cosmetic fix on
 interpreter)

---
 src/dynarec/arm64/dynarec_arm64_660f.c | 14 ++++++++++++++
 src/emu/x64run660f.c                   |  4 ++--
 2 files changed, 16 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/dynarec/arm64/dynarec_arm64_660f.c b/src/dynarec/arm64/dynarec_arm64_660f.c
index c967374d..8a385ca4 100644
--- a/src/dynarec/arm64/dynarec_arm64_660f.c
+++ b/src/dynarec/arm64/dynarec_arm64_660f.c
@@ -2635,6 +2635,20 @@ uintptr_t dynarec64_660F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int n
             }
             BFIx(gd, x1, 0, 16);
             break;
+        case 0xBF:
+            INST_NAME("MOVSX Gw, Ew");
+            nextop = F8;
+            GETGW(x1);
+            if(MODREG) {
+                ed = xRAX+(nextop&7)+(rex.b<<3);
+                SXTHxw(gd, ed);
+            } else {
+                SMREAD();
+                addr = geted(dyn, addr, ninst, nextop, &ed, x3, &fixedaddress, &unscaled, 0xfff<<1, 1, rex, NULL, 0, 0);
+                LDSHxw(gd, ed, fixedaddress);
+            }
+            GWBACK;
+            break;
 
         case 0xC1:
             INST_NAME("XADD Gw, Ew");
diff --git a/src/emu/x64run660f.c b/src/emu/x64run660f.c
index 35fd6eab..cc7ef8a2 100644
--- a/src/emu/x64run660f.c
+++ b/src/emu/x64run660f.c
@@ -2123,9 +2123,9 @@ uintptr_t Run660F(x64emu_t *emu, rex_t rex, uintptr_t addr)
         GETEW(0);
         GETGW;
         if(rex.w)
-            GW->sq[0] = EB->sword[0];
+            GW->sq[0] = EW->sword[0];
         else
-            GW->sword[0] = EB->sword[0];
+            GW->sword[0] = EW->sword[0];
         break;
 
     case 0xC1:                      /* XADD Gw,Ew */ // Xchange and Add
-- 
cgit 1.4.1