[32BITS][ARM64_DYNAREC] Added 64 8F opcode

2 files changed, 21 insertions, 0 deletions

diff --git a/src/dynarec/arm64/arm64_emitter.h b/src/dynarec/arm64/arm64_emitter.h
index 52e29dbb..60ca1ae1 100755
--- a/src/dynarec/arm64/arm64_emitter.h
+++ b/src/dynarec/arm64/arm64_emitter.h
@@ -326,6 +326,7 @@
 #define STRB_REG(Rt, Rn, Rm)            EMIT(STR_REG_gen(0b00, Rm, 0b011, 0, Rn, Rt))
 #define STRH_REG(Rt, Rn, Rm)            EMIT(STR_REG_gen(0b01, Rm, 0b011, 0, Rn, Rt))
 #define STRxw_REG(Rt, Rn, Rm)           EMIT(STR_REG_gen(rex.w?0b11:0b10, Rm, 0b011, 0, Rn, Rt))
+#define STRz_REG(Rt, Rn, Rm)            EMIT(STR_REG_gen(rex.is32bits?0b10:0b11, Rm, 0b011, 0, Rn, Rt))
 
 // LOAD/STORE PAIR
 #define MEMPAIR_gen(size, L, op2, imm7, Rt2, Rn, Rt)    ((size)<<31 | 0b101<<27 | (op2)<<23 | (L)<<22 | (imm7)<<15 | (Rt2)<<10 | (Rn)<<5 | (Rt))
diff --git a/src/dynarec/arm64/dynarec_arm64_64.c b/src/dynarec/arm64/dynarec_arm64_64.c
index 7452585c..723b4460 100644
--- a/src/dynarec/arm64/dynarec_arm64_64.c
+++ b/src/dynarec/arm64/dynarec_arm64_64.c
@@ -591,6 +591,26 @@ uintptr_t dynarec64_64(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int nin
             }
             break;
 
+        case 0x8F:
+            INST_NAME("POP FS:Ed");
+            grab_segdata(dyn, addr, ninst, x4, seg);
+            nextop = F8;
+            if(MODREG) {
+                POP1z(xRAX+(nextop&7)+(rex.b<<3));
+            } else {
+                POP1z(x2); // so this can handle POP [ESP] and maybe some variant too
+                addr = geted(dyn, addr, ninst, nextop, &ed, x1, &fixedaddress, &unscaled, 0, 0, rex, NULL, 0, 0);
+                if(ed==xRSP) {
+                    STRz_REG(x2, ed, x4);
+                } else {
+                    // complicated to just allow a segfault that can be recovered correctly
+                    SUBz_U12(xRSP, xRSP, rex.is32bits?4:8);
+                    STRz_REG(x2, ed, x4);
+                    ADDz_U12(xRSP, xRSP, rex.is32bits?4:8);
+                }
+            }
+            break;
+
         case 0xA1:
             INST_NAME("MOV EAX,FS:Od");
             grab_segdata(dyn, addr, ninst, x4, seg);