3 files changed, 45 insertions, 0 deletions
diff --git a/src/dynarec/arm64/dynarec_arm64_0f.c b/src/dynarec/arm64/dynarec_arm64_0f.c
index b1308b09..79578406 100755
--- a/src/dynarec/arm64/dynarec_arm64_0f.c
+++ b/src/dynarec/arm64/dynarec_arm64_0f.c
@@ -400,6 +400,31 @@ uintptr_t dynarec64_0F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int nin
                     SQRDMULH_16(q0, q0, q1);
                     break;
 
+                case 0xF0:
+                    INST_NAME("MOVBE Gd, Ed");
+                    nextop=F8;
+                    GETGD;
+                    if(MODREG) {
+                        REVxw(gd, xRAX+(nextop&7)+(rex.b<<3));
+                    } else {
+                        addr = geted(dyn, addr, ninst, nextop, &ed, x2, &fixedaddress, 0xfff<<(2+rex.w), (1<<(2+rex.w))-1, rex, NULL, 0, 0);
+                        LDRxw_U12(gd, ed, fixedaddress);
+                        REVxw(gd, gd);
+                    }
+                    break;
+                case 0xF1:
+                    INST_NAME("MOVBE Ed, Gd");
+                    nextop=F8;
+                    GETGD;
+                    if(MODREG) {   // reg <= reg
+                        REVxw(xRAX+(nextop&7)+(rex.b<<3), gd);
+                    } else {                    // mem <= reg
+                        addr = geted(dyn, addr, ninst, nextop, &ed, x2, &fixedaddress, 0xfff<<(2+rex.w), (1<<(2+rex.w))-1, rex, NULL, 0, 0);
+                        REVxw(x1, gd);
+                        STRxw_U12(x1, ed, fixedaddress);
+                    }
+                    break;
+
                 default:
                     DEFAULT;
             }
diff --git a/src/emu/x64run0f.c b/src/emu/x64run0f.c
index a75ffc26..5cde4f53 100644
--- a/src/emu/x64run0f.c
+++ b/src/emu/x64run0f.c
@@ -304,6 +304,25 @@ uintptr_t Run0F(x64emu_t *emu, rex_t rex, uintptr_t addr, int *step)
                     }
                     break;
 
+                case 0xF0: /* MOVBE Gd, Ed*/
+                    nextop = F8;
+                    GETGD;
+                    GETED(0);
+                    if(rex.w)
+                        GD->q[0] = __builtin_bswap64(ED->q[0]);
+                    else
+                        GD->q[0] = __builtin_bswap32(ED->dword[0]);
+                    break;
+                case 0xF1: /* MOVBE Ed, Gd*/
+                    nextop = F8;
+                    GETGD;
+                    GETED(0);
+                    if(rex.w)
+                        ED->q[0] = __builtin_bswap64(GD->q[0]);
+                    else
+                        ED->q[0] = __builtin_bswap32(GD->dword[0]);
+                    break;
+
                 default:
                     return 0;
             }
diff --git a/src/tools/my_cpuid.c b/src/tools/my_cpuid.c
index 7ab19db0..7e330bec 100644
--- a/src/tools/my_cpuid.c
+++ b/src/tools/my_cpuid.c
@@ -65,6 +65,7 @@ void my_cpuid(x64emu_t* emu, uint32_t tmp32u)
                     | 1<<9      // SSSE3
                     | 1<<12     // fma
                     | 1<<13     // cx16 (cmpxchg16)
+                    | 1<<22     // MOVBE
                     | 1<<25     // aesni
                     ; 
             break;